Housing of balanced channel with built-in flow conditioning

FIELD: machine building.

SUBSTANCE: fluid medium control includes an actuator, a valve and a housing of a balanced channel, which is located inside the valve for flow conditioning in order to convert a turbulent flow inside the valve to laminar flow when fluid medium reaches a receiving section of a Pitot tube located inside the outlet valve opening. The balanced channel housing includes an opening passing through a side wall and located between the valve channel and the outlet opening. The above opening includes a partial obstacle such as partition walls or a sieve, above which fluid medium flows to convert turbulent flow to laminar flow. There are versions of a fluid medium control design.

EFFECT: improving operating reliability of a control due to the fact that the preceding pressure in the flow direction does not influence on control of the following pressure in the flow direction.

23 cl, 11 dwg

 

The technical field to which the invention relates.

The present invention relates to a gas regulators and, in particular, to gas regulators, having actuators with feedback.

The level of technology

The pressure with which conventional gas distribution system serving the gas may vary depending upon system requirements, climate, supply and/or other factors. However, for most end users that use gas appliances such as boilers, furnaces and the like, it is necessary that the gas was supplied under a certain pressure and at a maximum throughput capacity of the gas regulator or below it. Thus, in these distribution systems are introduced gas regulators to ensure compliance with the injected gas with the requirements of the end users. Standard gas regulators, as a rule, contain the actuator with feedback for perception and control the pressure of supplied gas.

In addition to feedback some of the standard gas regulators contain a balanced shutter to improve the reaction gas regulator for changes subsequent downstream flow pressure. Balanced shutter is arranged to reduce the influence on the gas regulator of the previous during the current pressure. Previous during the current pressure from bsalsa through the fluid balanced diaphragm for pressure on the adjusting element of the gas regulator in the direction the opposite effects of subsequent downstream flow pressure. Accordingly, when changing the prior on the flow direction of pressure occurs, the corresponding pressure to balance the pressure created by the previous during the current pressure, as described below, so that the gas regulator reacts only on subsequent downstream flow pressure.

Figure 1 (closed position) and 2 (fully open position) represent one standard gas regulator 10. The controller 10 essentially includes drive 12 and valve 14. The valve 14 has an inlet 16 for receiving gas from the gas distribution system, and an outlet opening 18 for supplying gas to end consumers, such as a plant, a food services facility, a residential building and the like, having at least one gas appliance. In addition, the valve 14 includes a valve channel 20 located between the holes 16 and 18. In order to move from the opening 16 to the outlet 18 of the valve 14, the gas must pass through the channel 20.

The actuator 12 is connected to the valve 14 to ensure that the pressure at the exit opening 18 of the valve 14, i.e. the output pressure corresponds to the required output pressure, which is called the set pressure. The actuator 12, thereby communicated through the fluid valve 14 through pipe 22 is lapena and the outlet 24 of the drive. The actuator 12 includes a regulating unit 26 for perception and adjustment of the output pressure of the valve 14. In particular, the node 26 includes an aperture 28, the piston 30 and the adjusting lever 32, which is functionally connected to plate 34 of the valve. The plate 34 standard valve with a balanced shutter contains essentially cylindrical housing 36 and is attached to the housing 36 of the sealing liner 38. The node 26 may also contain the node 40 counterbalanced shutter balanced diaphragm 42 to exhaust pressure on the plate 34, caused by the previous during the current pressure. Aperture 28 perceives the output pressure of the valve 14 through the tube 44 pito by the communication of the outlet 18 through the fluid with the interior of the actuator 12 and the lower side of the diaphragm 28. Node 26 also includes an adjusting spring 46, in conjunction with the upper side of the diaphragm 28 to counteract the perceived output pressure. Accordingly, the desired output pressure, which can also be called regulating pressure or set pressure of the actuator is set by selection of the spring 46.

Aperture 28 is functionally connected to the lever 32, and consequently the plate 34 through the piston 30 and controls the opening of valve 14 on the basis of perceived output pressure. For example, is when the end user uses the equipment, such as an oven, it leads to some requirements for gas distribution system located behind the controller 10 in the flow direction of the stream flow at the outlet increases, and the output pressure due to this reduced. Accordingly, the aperture 28 perceives this decrease in output pressure. This allows adjusting the spring 46 to lengthen and move the piston 30 and the right side of the lever 32 down relative to the orientation shown in figure 1. This shift lever 32 causes movement of the plate 34 from the channel 20 and the opening of valve 14. 2 and 3 depict the plate 34 in the normal open operating position. In this configuration, the equipment can provide suction gas through the channel 20 to the outlet 18 of the valve 14.

Standard regulator 10 of the adjusting spring 46 constructively has less pressure when unclamping and increase its length by the movement of the lever 36 to the opening of the channel 20. In addition, as the unclamping spring 46 aperture 28 is deformed, which leads to an increase of its area. Less pressure developed by the spring 46, and the increased size of the aperture 28 along with such developments cause a reaction regulator, whereby the pressure developed by the spring 46, is not able to adequately balance the pressure developed in the e aperture 28, in the result, the output pressure is less than that specified by the user. This phenomenon is called "uneven regulation." When it occurs, the output pressure decreases below a preset value, and the controller 10 may not function properly.

Standard regulator 10 shown in figure 1-3, node 26 is additionally functions as a relief valve, as described above. More specifically, the node 26 also includes unloading the spring 48 and valve 50 pressure relief. In the Central part of the diaphragm 28 has a through hole 52, and the piston 30 includes a sealing cuff 54. The spring 48 is located between the piston 30 and diaphragm 28 to tighten the diaphragm 28 to the cuff 54 with the aim of closing the openings 52 during normal operation. When a fault occurs, for example, breakage of the lever 32, the node 26 is no longer directly under the control of the plate 34, and the input stream moves the plate 34 in the extreme open position. Because of this, the inside of the actuator 12 passes the maximum amount of gas. Thus, as the filling of the actuator 12 by the gas causes the pressure acting on the diaphragm 28 and moving it from the cuff 54, resulting in a hole 52 is opened. As a result, the gas flows through the hole 52 in the diaphragm 28 to the valve 50. The valve 50 includes a bolt 56 and the spring 58, clamped sat the p 56 in a closed position. When the pressure inside the actuator 12 and the valve 50 reaches a certain threshold value, the shutter is shifted upwards, overcoming the preload of the spring 58, and opens, through which the gas is discharged into the atmosphere, and the pressure regulator 10 is reduced.

In most variants of realization, it is preferable to recognize further along the flow pressure, as shown in Fig.1-3, inside the outlet 18. Shows the location of the tube 44 enables fast transfer of feedback on subsequent downstream flow pressure control node 26 and eliminates the need for external transmission line feedback on subsequent downstream flow pressure. The performance of the controller is determined by the volume of fluid that can be passed further along the flow direction of the flow while maintaining a given output pressure. Than laminar flow of fluid before the receptive area of the tube 44, the better the tube 44 perceives pressure and transmits it to the node 26. However, in the controller 10, as shown, fluid passing through the channel 20, is diffused inside of the pipe 22 and the outlet 18 so that the flow of fluid when passing through the receiving area prior to the tube 44 is turbulent in normal conditions. The turbulence of the flow leads to poor perception of subsequent what about during the course of the pressure fluid.

The best adjustment of the fluid flow and, accordingly, subsequent downstream flow pressure can be achieved by using air-conditioning flow to artificially increase the volumetric quantity of fluid transferred by the gas regulator. Air flow quickly converts it from turbulent to laminar to provide a more accurate perception of the subsequent downstream flow pressure. In one example, the air-conditioning flow, shown in figure 4-6, the controller 60 includes a valve 62 having a modified exhaust outlet 64, are made to accommodate the sub-node 66 flow control. The sub-node 66 contains a screen 68 with dividing partitions 70, hemispherical grid 72 with apertures 74 and Central perceiving the tube 76. The inner end of the tube 76 is communicated through the fluid with the interior of the actuator 12. With the passage of the fluid between the partitions 70 and the through holes 74 of its flow from turbulent becomes laminar, which results in more accurate measurement subsequent downstream flow pressure, recognized on the receiving area receiving the tube 76. Although the sub-node 66 is effective for conditioning flow, it is relatively expensive to manufacture. In addition, for sub-node 66 need modi is the substance of standard enclosure valve controller, and the sub-node 66 may not be easily transferred to the case of other sizes. Therefore, there is a need for such a conditioning flow in the gas regulator, which is less costly to implement and easy to implement regulators with different valve sizes and different types of buildings.

Disclosure of inventions

The present invention proposes a regulator of fluid, which may contain a valve having inlet, outlet and located between the openings of the valve channel. The controller may also include an actuator coupled to the valve and containing a plate located inside the valve and configured to move between a closed position in which it is connected with the valve channel, and an open position in which it is withdrawn from the valve channel. Pitot tube regulator may have a first end located inside of the outlet valve, and a second end which is connected through a fluid medium with the interior of the actuator, allowing the inner part of the drive is communicated through the fluid with the outlet of the valve. The actuator configuration can provide the movement of the valve plate to the channel when the pressure at the exit hole is increased, and the valve channel, when the output pressure of the hole decreases, to maintain the pressure of the fluid further along the flow direction for the regulator is approximately equal to the specified pressure. In addition, the controller may include a body located in the valve and containing essentially cylindrical first part located closer to the drive, essentially cylindrical second part located closer to the valve channel, and a hole passing through the wall of the second part located between the valve channel and the outlet of the valve.

According to another aspect, in the hole of the second part of the housing may be a partial barrier, such as a partition or sieve, so that the flow of fluid from the valve channel passes through the said partial barrier at the outlet of the valve. This partial obstruction may cause the conversion of turbulent fluid flow within the second part of the housing in laminar fluid flow near the first end of the Pitot tube. According to another aspect, the second part of the housing may have an internal diameter of a size and configuration which allows you to place the valve plate can move when it moves between the open and closed positions, so that the valve plate and the second part of the casing interact to direct the fluid flow from the valve channel ceratocanthinae hole to the outlet hole.

According to another aspect, the controller may include a balancing diaphragm, functionally connected to the valve plate and having a first side chamber connected through a fluid medium with the previous during the current pressure of the fluid flowing through the valve channel inside the second part of the housing. Previous during the current pressure can cause pressure on the valve plate in the direction of the open position and the previous during the current pressure acting on the first side of the balancing diaphragm can cause pressure on the valve plate in the direction of the closed position is approximately equal to the pressure of the previous during the current pressure on the valve plate.

Brief description of drawings

Figure 1 is a side view cross section of standard gas regulator with a balanced shutter in the closed position;

Figure 2 is a side view cross-section of the gas regulator of figure 1 in the fully open position;

Figure 3 is a view through the outlet of the gas regulator of figure 2;

4 is a side view cross-section of a gas regulator having a subnode conditioning flow in the fully open position;

5 is a cross-section of the regulator of figure 4 along the line 5-5;

6 is a view through the outlet of the gas regulator of figure 4;

Fig.7 is a side view cross-section of gotovog the regulator, having air flow according to the present invention, in the closed position;

Figa - side view cross-section of the valve and balanced shutter gas regulator from Fig.7;

Fig - side view cross-section of the regulator from 7 in the fully open position;

Figa - side view cross-section of the valve and balanced shutter gas regulator from Fig; and

Fig.9 is a view through the outlet of the gas regulator from Fig.

The implementation of the invention

Although the following is a detailed description of the different variants of implementation of the present invention, it is necessary to understand that its scope is defined by the claims, which are presented at the end of the application. The detailed description should be interpreted as examples only, it does not reveal all possible variants of implementation, as it would be impractical or even impossible. Can be implemented in many other implementation options using either existing technologies or technologies that will be developed after the filing date of this application, and all of these options for implementation are included in the scope of the present invention.

You must understand that if this application the meaning of the term is not explicitly defined by the phrase "in this application, the term "_______" means..." and so on, then the value of this term should not be limited to, Express or is podrazumevanim way its common or usual meaning, and such term should not limit the scope of the claims made in any section of this application (with the exception of the wording of the claims). Some of the terms mentioned in the formula at the end of the present description, in the text of the application are used as though they have the same value; this is done for reasons of simplicity, in order not to confuse the reader, and such terms should not be limited to, explicit or otherwise, that one is. Finally, if referenced in the formula element is not interpreted with the use of the word "means", and its operation is disclosed without a detailed description of its design, the scope of protection of this element is not defined under 112, paragraph 6 of the Code of laws of the United States.

7 to 9 depict a gas regulator 100 made according to one implementation variant of the present invention. The controller 100 essentially includes drive 102 and valve 104. The valve 104 includes an inlet 106 for receiving gas from the gas distribution system, and the outlet 108 for supplying gas, for example, a consumer with at least one gas appliance. The actuator 102 is connected to the valve 104 and includes a regulating unit 110 having the adjusting element 112. In the first, or normal, operating mode, the node 110 approached the bottom, the pressure at the exit hole 108 of the valve 104, i.e. the output pressure, and controls the position of the element 112, so that the output pressure is approximately equal to the specified pressure. If a fault occurs in the system controller 100 performs the unloading function, which is essentially similar to the unloading function, described above, for example, the controller 10 from 1-3.

According to Fig.7, the valve 104 has a neck 114 and the outlet 116. The neck 114 is located between the inlet 106 and outlet 108. In the neck 114 is located the valve channel 118, defining the penetration hole 120 from the inlet 122 and outlet 124. To navigate between the holes 106 and 108 of the valve 104, the gas must pass through the bore hole 120 in the channel 118. The channel 118 is made with the possibility of removing it from the valve 104, so that it can be replaced by another channel with a through hole of a different diameter or a different configuration to accommodate the workers and the metering characteristics of the valve 104 to specific requirements. In the described implementation, the nozzle 116 has an aperture located along an axis that is essentially perpendicular to the axis of the holes 106 and 108 of the valve 104.

The actuator 102 includes a housing 126 and node 110, as described above. The housing 126 includes upper component a and lower component 126b, which are bonded to each other, for example, the mounting elements is. Component 126b specifies the adjusting cavity 128 and the outlet 130 of the actuator. The pipe 130 is connected to the inlet 116 of the valve 104 to provide communication through the fluid actuator 102 with the valve 104. In the described embodiment, the implementation in the controller 100, the nozzles 116 and 130 are fastened together by a fastener 132. Component a sets the discharge cavity 134 and outlet 136. Component a also specifies the tubular portion 166 to accommodate part of the node 110, about which more will be said.

The node 110 includes a diaphragm sub-node 140, plate-balancing sub-node 142 and the valve 144 pressure relief. The sub-node 140 includes an aperture 146, the piston 148, the adjusting spring 150, unloading the spring 152, the combined saddle 154 spring seat 156 unloading spring seat 158 adjustment spring guide 160 of the piston.

In particular, the aperture 146 contains a disc-shaped diaphragm with a through hole 162, located in its Central part. Aperture 146 is made of a flexible, essentially airtight material, and its periphery is tightly clamped between the components a and 126b of the housing 126. Aperture 146 thus separates the cavity 134 of the cavity 128.

Saddle 154 is located on top of the diaphragm 146 and has a hole 164 located concentric with the hole 162 in the diaphragm 146. As shown in Fig.7, the saddle 154 supports the spring 150 and springs is 152.

The piston 148 in the described implementation includes essentially an elongated rod with sealing cuff 166, plug 168, a threaded part 170 and the guide part 172. The sleeve 166 is concave and substantially disc-shaped, is held around the middle part of the piston 148 and is located directly under the aperture 146. Plug 168 includes a cavity configured to accommodate the connector 174, which is connected to the node 142 to ensure the attachment of the sub-node 140 to the node 142, as described below.

The guide portion 172 and the threaded portion 170 of the piston 148 are passed through holes 152, 164 in the diaphragm 146 and the seat 154, respectively. Part 172 of the piston 148 can be moved is placed in the cavity of the guide 160, which maintains the axial alignment of the piston 148 relative to the rest of the node 110. The spring 152, the saddle nut 156 and 176 are located on the portion 170 of the piston 148. Nut 176 holds the spring 152 between the seat 154 and the seat 156. The spring 150, as described above, is located on top of the seat 154 and the inside part 166 component a. Saddle 158 is screwed into the part 166 and presses the spring 150 to the valve seat 154. In the described embodiment, the implementation of the adjustment spring 150 and unloading the spring 152 are helical compression springs. Accordingly, the spring 150 is based on the component a and presses down on the seat 154 and aperture 146. Spring 52 rests on the saddle 154 and presses up on the seat 156, which, in turn, presses the piston 148. In the described implementation, the pressure developed by the spring 150 is adjustable by changing the position of the seat 158 in part 166, and therefore adjusting the pressure regulator 100 is also adjustable.

Spring 150 counteracts the pressure in the cavity 128, which is perceived by the diaphragm 146. As mentioned above, this pressure is the same pressure that exists in the output opening 108 of the valve 104. Accordingly, the pressure developed by the spring 150, specifies the desired output pressure or adjusting the pressure regulator 100. The sub-node 140, as described above, functionally connected to the node 142 via forklift part 172 of the piston 148, the connector 174 and the adjustment lever 178.

The sub-node 142 comprises a drive shaft 180, which is connected with the lever 178 to transfer element 112 between the open and closed positions, when the diaphragm 146 is bent when subsequent changes in the flow direction of pressure. In particular, the rod 180 is an essentially rectilinear rod with the mating surface 182. The lever 178 is a little bent rod and includes a hinged end a and the free end 178b. The end a contains a hole 184, containing the pivot axis 186, which is based on the component 126b. The end a also contains the ledge 188, and Audi rounded end and is coupled with the surface 182 of the rod 180. The free end 178b placed between the upper part a and rod 174b connector 174 attached to the plug 168 of the piston 148. Thus, the connector 174 and the lever 178 is functionally connected to the node 142 to node 140.

Element 112 of the sub-node 142 is functionally connected to a rod 180 and contains the valve plate 190 having an outer portion 192 and a coaxial inner portion 194. Part 192 contains a groove which accommodates a sealing liner 196 having a sealing surface 198 which mates with the outlet 124 of the channel 118 to block fluid flow into the valve 104. Part 192, 194 are connected with the rod 180 with rod 200 balanced channel and saddle 202 counterbalancing springs, and the straightness of the movement is ensured by the combination of the following elements: guide rod 204, pressure washer 206, clamp 208 balancing diaphragm and the housing 210 of the balancing channel. Guide 204 contains essentially cylindrical outer part a, the size and configuration of which provide Seating in the socket 130 component 126b, and essentially cylindrical inner portion 204b, the size and configuration which allows you to place the rod 180 to move. Guide 204 also includes a through channel 212, which forms part of the channel through which the hole 108 is communicated through the fluid with Palast the Yu 128, as discussed more fully described below.

Guide 204 is associated with a washer 206, which is located between that of the guide 204 and the housing 210, to hold the washer 206 and the housing 210 in place in the socket 116. Washer 206 is essentially circular and has a Central hole 214 through which passes the rod 200. The housing 210 is essentially cylindrical and hollow and is held to the neck 114 and over the outlet 124 of the channel 118. The clamp 206 is located inside the housing 210 and holes 214 washers 206 and is held in place between the surface of the washer 206 and the inner flange 216 of the housing 210. Inside the housing 210 is disc-shaped balancing aperture 218 having a Central hole. Aperture 218 is made of a flexible, essentially airtight material and its periphery clamped between the washer 206 and the flange 216. The inner edge near the center hole of the diaphragm 218 sealed part between 192 and the rod 200. The plate 190, the shaft 200 and the rod 180 are tightened in the open position of the valve 104 counterbalancing spring 220 located between the seat 202 of the spring and the bearing surface 222 of the clamp 208.

Aperture 218 causes the pressure on the plate 190 in the direction of the channel 118 to compensate for the pressure on the plate 190, caused by the previous during the current pressure of the fluid passing through the channel 118. Part 194 who meet the outer diameter, which is smaller than the inner diameter portion 192 so that fluid can enter the passage 224 part 194 and the corresponding passage 226 inside the rod 200. Passage 226 is opened in the inner part of the clamp 208, through which the surface of the diaphragm 218 opposite to the channel 118, experiencing through the fluid prior to in the course of the flow pressure acting on the plate 190. Components of the sub-node 142 is designed so that the pressure developed by the aperture 218, approximately opposite and equal to the pressure developed in the previous during the current pressure on the plate 190 in order to exclude any influence of the prior on the flow direction of pressure on the sub-node 140 and to provide a more accurate adjustment of the regulator 100 further during the course of the pressure.

As mentioned above, the tube 228 pito with the receiving area of the output aperture 108 of the valve 104, transmits the actuator 102 feedback on subsequent downstream flow pressure. Tube 228 passes inside the pipe 116 and passes through the openings 230, 232 through the housing 210 and the washer 206, respectively. Tube 228 passes further along the flow pressure in the inner portion of the rail 204 and then through the channels 212 of this guide 204 into the cavity 128.

As also shown in Fig.7, 7A, 8 and 8A, the housing 210 of the sub-node 12 includes a first portion 234, the second part 236 and a transitional portion 238. Part 234, 236 are essentially cylindrical and aligned along the axis. Part 234 has an outer diameter, the size and configuration of which provide accommodation in the pipe 116 essentially within strict tolerances; and has an internal diameter, the size and configuration of which provide accommodation clamp 208 within similar tight tolerances. Part 234 may also include radially passing through the flange 240 that can be paired with a corresponding flange on the inner surface of the socket 116 for proper positioning of the housing 210 and other components of the sub-node 142. The passage 224 to the tube 228 may pass through the portion 234 in position oriented closer to the outlet 108. Part 236 of the housing 210 may have an outer diameter that is smaller outer diameter portion 234, and may have an inner diameter, the size and configuration of which provide accommodation plates 190 essentially with tight tolerances. Plate 190 hosting with the ability to move within the section 236 housing 210 so that essentially prevented for the fluid between the inner surface portion 236 and the outer surface portion 192 into the cavity between the plate 190 and the aperture 218. If necessary, may be provided for additional sealing fit the e, such as the o-ring that prevents specified for the fluid and at the same time allows the plate 190 to move inside part 236. Plate 190 efficiently prevents, limits or substantially prevents the flow of fluid through itself and the node 142 to the inside of the actuator 102. Part 238 is located in the axial direction between the portions 234, 236. Part 238 is positioned in a place in which the inner diameter of the housing 210 narrows the size of the portion 234 to the size of the portion 236 and thus forms a flange 216, which together with the clamp 208 secures the diaphragm 216.

In the described embodiment, the implementation of the second part 234 of the housing 210 in its side wall has a hole 242 for the next next thread. The side wall of the hole 242 in the second part 234 may deviate from the rest of the body 210 without going outside diameter portion 234 so that the housing 210 during Assembly could be inserted inside the pipe 116. When the housing 210 is inserted inside the pipe 116, it is oriented so that the aperture 242 is turned to the outlet 108 of the valve 104. If necessary, the pipe 116 and/or the flange 240 part 234 may be provided with the relevant orienting devices to ensure proper orientation of the holes 242. When the housing 210 is installed as shown, the channel 118, the second part 236, hole 242 and outputs the Noah hole 108 restrict the flow channel, directing the fluid to the next during the course of part of the distribution system for the fluid.

As mentioned above, the flow of the fluid flowing through the valve 104 can accept a turbulent character, when the fluid passes the outlet 124 and hits the plate 190, while turbulent flow can pass on through the outlet 108 of the valve 104 and the receiving section of a tube 228. For conditioning fluid flow and transform it from turbulent to laminar before the receptive area of the tube 228 hole 242 which passes through the side wall of the housing 210 may include passing across a partial barrier, such as a partition or screen, through which the flow of fluid. In the shown embodiment, the implementation of a partial barrier contains dividers 244 formed in the hole 242 in one piece with part 236 of the housing 210. Septum 244 can be vertically and horizontally, as shown in Fig.9. In another variant implementation of the septum 244 can be formed only in one direction, or can be oriented at different angles relative to the axis of movement of the plate 190. The specific configuration of the walls 244, including their number, thickness, density, and orientation can choose what I thus, so that was obtained the desired laminar flow through the outlet 108 of the valve 104 without excessive pressure drop on the other side walls 244.

Specialist obvious other embodiments of partial barriers made with the possibility to convert turbulent flow to laminar flow in the valve 104. For example, hole 242 can be configured to accommodate partial barriers in the form of a screen having a partition and configuration similar to the screen 68 shown in figure 4 and 5. In another embodiment, the implementation of the liners, similar to the screen 68 may be formed of wire screens, perforated sheet of some material or other partial barriers over which and through which may leak fluid conversion of turbulent flow, if it occurs in laminar flow. The configuration of partial barriers needed to convert turbulent flow into laminar flow can vary depending on the characteristics of flow through the valve 104, and the possibility of replacing the screen can increase the versatility and adaptability of the controller 100 without having to replace the entire housing 210. Performance of partial barriers may eventually worsen if the fluid causes the erosion of this material obstacle Il the leaves on the surface of the barrier deposits. The ability to remove obstacles rather than replace the entire housing 210 may facilitate maintenance of the regulator 100. The developers of the present invention assume that the proposed controllers can be used as described, and not named the execution of partial barriers, regardless of whether they are in one piece with the housing 210 or separation from him.

7 and 7A depict the regulator 100 described embodiments with a plate 190 in the closed position. In other words, the plate 190 is displaced by movement inside the second part 236 of the housing 210, so that the surface 198 tightly associated with the outlet 124 of the channel 118. In this configuration, if the gas is not flowing through the channel 118 and the valve 104. This configuration arises from the fact that the output pressure, which corresponds to the pressure in the cavity 128 of the housing 126 and is perceived by the diaphragm 146, exceeds the magnitude of the pressure developed by the spring 150. Accordingly, during subsequent flow of the pressure at the exit orifice 108 translates the diaphragm 146 and the piston 148 in the closed position.

When there is a request to the gas distribution system, for example, the user enters into effect equipment such as an oven, stove and so on, this equipment draws gas from the outlet 108 and, respectively, of the cavity 128 of the regulator is the PRA 100, resulting in pressure experienced by the diaphragm 146 is reduced. When the pressure experienced by the diaphragm 146, decreases, there is a power imbalance between the force of the pressure adjusting spring force of the pressure of the output pressure on the diaphragm 146, causing the spring 150 extends and moves the diaphragm 146 and the piston 148 down relative to the housing 126. This causes the lever 180 in a clockwise direction around the axis 186 and, therefore, the rotation protrusion 188 relative to the surface 182 of the rod 180. This allows the rod 180 and the plate 190 under the action of the spring 220 to move from the outlet 124 of the channel 118 with the opening of the valve 104, as shown in Fig, 8A and 9.

After the opening of the channel 118 of the gas distribution system receives gas supply to equipment located further along the flow direction through the valve 104 with the control pressure set by the spring 150. When this sub-node 140 continues to perceive the output pressure of the valve 104. Up until the output pressure remains approximately equal to the pressure, the node 110 will hold the plate 190 in the same position. If the output stream, i.e. the query decreases, the output pressure rises above a preset value determined by the spring 150 and the aperture 146 perceives this increased output pressure and is shifted upward, to overcome the Wake of the preload of the spring 150. In another embodiment of the invention, if the output stream, i.e. the request increases, causing a reduction in output pressure is less than the set pressure, the diaphragm 146 perceives this reduced output pressure, and a spring 150 draws the diaphragm 146 and the piston 148 down to open the valve 104. Thus, small deviations from the specified output pressure cause the reaction of the host 110 and the adjustment element 112.

When the plate 190 is diverted from the outlet 124 of the channel 118, the gas flows into the portion 236 of the housing 210. Due to the configuration of the inner surface portion 236, plates 190 and holes 242, fluid is forced through the opening 242 and placed it baffles 244 with a relatively small deviation from the flow channel. As the passage of fluid through the septum 244 turbulent flow, if it occurs, is converted into a laminar flow. Therefore, when the fluid reaches the outlet 108 of the valve 104 and the receiving section of a tube 228, the laminar flow of this fluid provides improved measurement subsequent downstream flow pressure and, accordingly, improved adjustment subsequent downstream flow pressure node 110.

Above was the detailed description of the options for implementing the present invention, however, should animate, that the scope of the present invention are defined by the formula, which is presented at the end of the application. A detailed description is merely an example and does not reveal all possible variants of implementation, as it would be difficult or even impossible. Can be implemented in many other implementation options using either existing technologies or technologies that will be developed after the filing date of this application, and all of these options for implementation are included in the scope of the present invention.

1. The regulator fluid containing:
the valve has an inlet opening, an outlet opening and a channel located between the inlet and outlet holes;
an actuator connected with the valve and containing a valve plate located inside the valve and configured to move between a closed position in which it is connected with the valve channel, and an open position, in which it is located away from the valve channel;
the Pitot tube, which has a receiving area located inside the outlet, and a second end which is connected through a fluid medium with the interior of the actuator, allowing the inner part of the drive is communicated through the fluid with the outlet of the valve, and configuration of the actuator provides movement of the valve to valve the channel, when the pressure at the exit hole is increased, and the valve channel when the pressure in the output hole is reduced, to maintain the pressure further along the flow direction for the regulator is approximately equal to a specified pressure; and
body located in the valve and containing essentially cylindrical first part located closer to the drive, essentially cylindrical second part located closer to the valve channel, and a hole passing through the side wall of the second part and located between the valve channel and the outlet valve, and
partial barrier located inside the second hole of the housing and the flow of the fluid passing through the valve channel, passes through the said partial barrier to the outlet valve, and the specified partial barrier converts turbulent fluid flow in the second part of the body in laminar fluid flow near the receiving area of the Pitot tube.

2. The regulator fluid according to claim 1, in which the second part of the housing has an inner diameter, the size and configuration of which provide accommodation of the valve can move when it moves between the open and closed positions, so that the valve plate and the second part of the casing interact to directions on the eye fluid from the valve channel through the hole and to the outlet.

3. The regulator fluid according to claim 2, characterized in that the housing includes a transitional portion located axially between the first and second parts in the place where the inner diameter of the first portion tapers to the inner diameter of the second part.

4. The regulator fluid according to claim 1, in which the specified partial barrier formed in one piece with the body.

5. The regulator fluid according to claim 1, in which the specified partial barrier contains a partition perpendicular to said hole of the second part.

6. The regulator fluid according to claim 5, in which the partition containing the first group of cubicles, oriented parallel to the axis of movement of the valve, and the second group dividing walls oriented perpendicular to the axis of movement of the valve.

7. The regulator fluid according to claim 1, in which the specified partial barrier contains a sieve.

8. The regulator fluid according to claim 1, containing a balancing diaphragm, functionally connected to the valve plate and having a first side chamber connected through a fluid medium with the previous during the current pressure of the fluid flowing through the valve channel inside the second part of the housing, and the previous during the current pressure causes nadalia the s on the valve disc in the direction of the open position and the previous during the current pressure, acting on the first side of the balancing diaphragm causes pressure on the valve plate in the direction of the closed position is approximately equal to the pressure of the previous during the current pressure on the valve plate.

9. The regulator fluid according to claim 1, in which the housing is located inside the valve with the possibility of retrieval.

10. The regulator fluid containing:
valve having inlet, outlet and valve channel located between the inlet and outlet holes;
an actuator connected with the valve and containing a valve plate located inside the valve and configured to move between a closed position in which it is located in the valve channel, and an open position, in which it is located away from the valve channel;
the Pitot tube, which has a first end located inside the outlet, and a second end which is connected through a fluid medium with the interior of the actuator, allowing the inner part of the drive is communicated through the fluid with the outlet of the valve, and configuration of the actuator provides movement of the valve to the valve channel when the pressure in the output hole is increased, and the valve channel when the pressure in the output hole is reduced, to support the Jania pressure further along the flow direction for the regulator is approximately equal to a specified pressure; and
a housing mounted on the valve near the valve channel and containing the first part, which has a cylindrical wall located closer to the actuator and coupled with the inner wall of the valve for positioning the housing within the valve, and the second part, which has a cylindrical side wall located closer to the valve channel having an aperture located between the valve channel and the outlet valve and allow the valve head to move when it moves between the open and closed positions, and through this, in essence, the restriction of the fluid flow from the valve channel to the actuator and providing flow the fluid from the valve channel to the outlet of the valve through the hole, and
partial barrier located inside the second hole of the housing and the flow of the fluid passing through the valve channel, passes through the said partial barrier and to the outlet valve, and the specified partial barrier converts turbulent fluid flow in the second part of the body in laminar fluid flow near the first end of the Pitot tube.

11. The controller of the fluid of claim 10, in which the specified partial barrier formed in one piece with the body.

2. The controller of the fluid of claim 10, in which the specified partial barrier contains a partition perpendicular to said hole of the second part.

13. The controller of the fluid indicated in paragraph 12, in which the partition containing the first group of cubicles, oriented parallel to the axis of movement of the valve, and the second group dividing walls oriented perpendicular to the axis of movement of the valve.

14. The controller of the fluid of claim 10, in which the specified partial barrier contains a sieve.

15. The controller of the fluid of claim 10, containing a balancing diaphragm, functionally connected to the valve plate and having a first side chamber connected through a fluid medium with the previous during the current pressure of the fluid flowing through the valve channel inside the second part of the housing, and the previous during the current pressure causes pressure on the valve disc in the direction of the open position and the previous during the current pressure acting on the first side of the balancing diaphragm causes pressure on the valve plate in the direction of the closed position is approximately equal to the pressure of the previous during the current pressure on the valve plate.

16. The controller of the fluid of claim 10, the which the housing is located inside the valve with the possibility of retrieval.

17. The regulator fluid containing:
valve having inlet, outlet and valve channel located between the inlet and outlet holes;
an actuator connected with the valve and containing a valve plate located inside the valve and configured to move between a closed position in which it is connected with the valve channel, and an open position in which it is withdrawn from the valve channel;
balancing the aperture is functionally connected to the valve plate and having a first side chamber connected through a fluid medium with the previous during the current pressure of the fluid flowing through the valve channel, and the previous during the current pressure causes pressure on the valve disc in the direction of the open position and the previous during the current pressure acting on the first side of the balancing diaphragm causes pressure on the valve plate in the direction of the closed position is approximately equal to the pressure of the previous during the current pressure on the valve plate;
the Pitot tube, which has a first end located inside the outlet, and a second end which is connected through a fluid medium with the interior of the actuator, allowing the inner part of the drive is reported by the your fluid with the outlet of the valve, and configuration of the actuator provides movement of the valve to the valve channel when the pressure in the output hole is increased, and the valve channel when the pressure in the output hole is reduced, to maintain the pressure further along the flow direction for the regulator is approximately equal to a specified pressure;
body located in the valve and containing essentially cylindrical first part located closer to the drive, essentially cylindrical second part located closer to the valve channel, and a hole passing through the side wall of the second part and located between the valve channel and the outlet valve; and
partial barrier located inside the second hole of the chassis, while passing through the valve channel, the fluid flow passes through a partial barrier and to the outlet valve, and the specified partial barrier converts turbulent fluid flow in the second part of the body in laminar fluid flow near the first end of the Pitot tube.

18. The controller of the fluid through 17, in which the second part of the housing has an inner diameter, the size and configuration of which provide accommodation of the valve can move when it moves between the open and closed positions, so that the tree valve and the second part of the casing interact to direct the fluid flow from the valve channel through the hole and to the outlet.

19. The controller of the fluid through 17, in which the specified partial barrier formed in one piece with the body.

20. The controller of the fluid through 17, in which the specified partial barrier contains a partition perpendicular to said hole of the second part.

21. The regulator fluid medium in claim 20, in which the partition containing the first group of cubicles, oriented parallel to the axis of movement of the valve, and the second group dividing walls oriented perpendicular to the axis of movement of the valve.

22. The controller of the fluid through 17, in which the specified partial barrier contains a sieve.

23. The controller of the fluid through 17, in which the housing is located inside the valve with the possibility of removal.



 

Same patents:

FIELD: measurement equipment.

SUBSTANCE: system of pressure monitoring comprises a body, a hole in a hydraulic system made in a body, the first pressure relay arranged inside a body and having a hydraulic connection with a hole in a hydraulic system, and the second pressure relay arranged inside the body and having a hydraulic connection with a hole in the hydraulic system. The method to build a system of pressure monitoring includes stages, when: the first pressure relay is installed inside the body so that the first pressure relay is in hydraulic connection with the hole in the hydraulic system, and the second pressure relay is installed inside the body so that the second pressure relay is in hydraulic connection with the hole in the hydraulic system.

EFFECT: expansion of functional capabilities of a pressure monitoring system.

12 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: gas pressure regulator is fitted with a drive, a control valve and a device of pressure-induced loading. The pressure-induced loading device provides for loading the drive diaphragm surface with pressure which counteracts the output pressure on the opposite diaphragm side with the latter pressure being controlled by the regulator. In case the output pressure is changed the diaphragm moves and shifts the controlling element in order to regulate the output pressure while the pressure-induced loading device keeps up the specified pressure. The pressure regulator can comprise a regulating shutter which compensates the force of input pressure on the controlling element.

EFFECT: increasing efficiency of standard gas pressure regulators.

21 cl, 4 dwg

Pressure regulator // 2490689

FIELD: machine building.

SUBSTANCE: regulator includes a housing with inlet and outlet cavities and between them a spring-loaded sensitive element in the form of a shell, a setting cavity with an elastic element, a seat, a shutoff element in the form of a disc with a conical surface. The housing is made of two halves in the form of bowls with flanging, and in it there introduced and installed with stiff connection is a cylinder with the above mentioned shell located in it with outer surface of the bottom towards the seat installed in the inlet cavity. A safety spring is introduced to prevent mismatch of the control system at abrupt opening of the network. Elastic element for spring loading of a sensitive element in the setting cavity uses working medium the pressure energy of which is controlled with a regulator.

EFFECT: enlarging application ranges.

1 dwg

FIELD: machine building.

SUBSTANCE: valve port comprises vale body, bearing valve port defining channel converging from inlet to outlet. Convergent channel minimizes effects of boundary layer separation to maximise port capacity. Said channel may be formed inside solid part to be screwed in valve body, or in cartridge fitted in valve body to slide and to be screwed therein. Fluid control device comprises also diaphragm drive furnished with control component arranged inside valve body to control fluid flow in said body.

EFFECT: ease of use maximised capacity at preset outlet pressure.

23 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: gas pressure control with a drive, a control valve and an auxiliary device. Information on outlet pressure is supplied to the drive and the auxiliary device by means of a Pitot tube located at the control valve outlet. End of the first nozzle of the Pitot tube is connected to the drive, thus providing communication between a control cavity of the drive and a membrane and outlet pressure at the outlet to maintain outlet pressure on the drive in compliance with the specified value. End of the second nozzle of the Pitot tube is connected to the auxiliary device, thus providing communication between internal area of the auxiliary device and outlet pressure at the outlet to respond to outlet pressure variations at deviation of outlet pressure from specified values of the range of normal pressure. There is a structural version of design of gas pressure control and a double-control mechanism for the above pressure control, automatic control of fluid medium pressure.

EFFECT: automatic fluid medium pressure control.

27 cl, 9 dwg

FIELD: machine building.

SUBSTANCE: measuring tube with function of pressure averaging contains: measuring part that has open end made with the possibility of location near outlet of fluid regulation device; attachment part located at an angle relatively the measuring part and made with the possibility of location near control unit of fluid regulation device and slot made in measuring part and going from the said open end to attachment part. When installing measuring tube in fluid regulation device measuring part can average the pressure in outlet and the said measuring tube transfers averaged pressure to control unit.

EFFECT: increase of fluid pressure measurement accuracy.

15 cl, 7 dwg

FIELD: machine building.

SUBSTANCE: gas pressure control includes an actuator equipped with a gate made from elastic material, a seat, inlet, outlet and control chambers; a throttle, a setting device with a control valve, a membrane unit and an adjustment mechanism. At that, inlet chamber of the actuator is connected through the throttle via a channel to the control chamber, the setting device and the outlet chamber. According to the proposal, the control includes a matching unit consisting of a chamber for gas cleaning from mechanical impurities and humidity; pneumatically operated shutoff and control device of normally open type; at that, throttle is built into the matching unit between gas cleaning chamber and shutoff and control device, and gas cleaning chamber is located on the side of inlet chamber, and setting device is connected to the shutoff and control device and outlet chamber.

EFFECT: improving operating characteristics.

9 cl, 4 dwg

FIELD: transport.

SUBSTANCE: invention relates to space technology and may be used for stabilisation of preset engine thrust by correction of spaceship motion. Tank with working medium (WMT) has three chambers. All supercharge gas (SG) is kept in extra permanent-volume tank (EPVT) adjoining WMT wall opposite the bellows. In case current and preset fuel pressures differ, defined are valid current SG temperature and pressure between bellows and EPVN, fuel mass residue, current SG volume, SG portion of EPVT required to reach operating pressure proceeding from current pressure in EPVT and interchamber channel cross-section, as well as duration of transfer of this portion into central chamber. Interchamber valves are opened and closed at preset time.

EFFECT: increased and stable thrust, accurate computation of correction parameters.

2 dwg

FIELD: physics; control.

SUBSTANCE: invention relates to means of controlling flow of a fluid medium. A guide rod has a body having an opening for inlet, with possibility of displacement with sliding, of a valve rod, and an outer surface on which there are peripheral seals which enable installation, with possibility of extraction, of the body of the guide into the housing of the controller and matching said body on position with the housing of the controller and the valve.

EFFECT: simple configuration of the controller in different operating conditions.

25 cl, 18 dwg

FIELD: machine building.

SUBSTANCE: proposed device comprises valve body with inlet, outlet and throat arranged there between, drive secured to valve body to comprise valve plate and diaphragm articulated with valve plate. Said valve plate is arranged inside valve body to reciprocate between open position and closing position in response to pressure variation and valve body outlet taken up by diaphragm. It comprises also valve port arranged in valve body throat. Note here that said port comprises cylindrical component including valve seat and channel extending through valve port. Valve seat is tightly jointed with valve plate in closing position. Note here that said valve port features selected set of parameters including channel diameter and seat height corresponding to seat length along said channel. Said set is preselected from multiple sets of parameters, each including channel diameter and seat height. Note also that seat heights of said sets are in inverse relation with channel diameters.

EFFECT: high-efficiency gas flow at preset outlet pressure.

22 cl, 5 dwg

Valve // 2090794
The invention relates to mechanical engineering and can be used in heating systems

Valve // 2070301

Diaphragm valve // 2002985

FIELD: machine building.

SUBSTANCE: fluid medium control includes an actuator, a valve and a housing of a balanced channel, which is located inside the valve for flow conditioning in order to convert a turbulent flow inside the valve to laminar flow when fluid medium reaches a receiving section of a Pitot tube located inside the outlet valve opening. The balanced channel housing includes an opening passing through a side wall and located between the valve channel and the outlet opening. The above opening includes a partial obstacle such as partition walls or a sieve, above which fluid medium flows to convert turbulent flow to laminar flow. There are versions of a fluid medium control design.

EFFECT: improving operating reliability of a control due to the fact that the preceding pressure in the flow direction does not influence on control of the following pressure in the flow direction.

23 cl, 11 dwg

FIELD: machine building.

SUBSTANCE: guide device for a drive rod for the use with the drives of a hydraulic valve is suggested, it has a membrane located in the casing. The suggested device contains a base, located inside the casing and surrounded by a displacing element, having the hole, ensuring the possibility of inclination of the drive rod of the hydraulic valve in the base, and so the possibility of rotation of the drive lever of the hydraulic valve, and the top end of the base specifying area for the reception of the guide located near the base hole. The guide by a disconnecting method is connected with the base in the area for the reception of the guide, and has a support surface interacting with the possibility of sliding with the drive rod and limiting the side movement of the membrane assembly relatively to the longitudinal axis of the hole, and such preventing the interaction of the membrane assembly and internal surface of the drive casing during the drive rod movement between the first position and the second position. The top end of the base has the first holes, and the guide has the second holes, that are aligned with the appropriate holes in the top end of the base, to receive the fasteners connecting the guide and the base.

EFFECT: improved design.

18 cl, 12 dwg

FIELD: pneumatics and automatics, namely reducing and sustaining predetermined level of pressure of compressed gas in pneumatic drives of transporting and other machines, in tanks of fuel system of automobile transport at pumping fuel.

SUBSTANCE: reduction pneumatic valve includes housing with inlet and outlet ducts, calibrated orifice in inlet duct preventing increase of output pressure; spring-loaded stepped throttling valve; membrane type control unit having seat rigidly secured to membrane and elastic sealing member for minimizing change of effective surface area of membrane due to its minimum bending; valve member in the form of spherical head for reducing sealing effort, compensating membrane shift and providing intensified discharge of compressed air; filter placed at inlet of orifice for preventing clogging.

EFFECT: enhanced operational reliability, prevention of outlet pressure exceeding predetermined value, effective relief of compressed air, lowered sealing effort due to compensation of membrane shift.

3 cl, 3 dwg

FIELD: measuring equipment.

SUBSTANCE: device has thermocouple 1 with seam 2, fixedly packed in tubular case 3 with longitudinal groove 4. tubular case 3 on thread enters screw holder 5, which by its outer screw profile is screwed into coils of set-point spring 6, fixedly held on heating element 7. Outwardly bent end 8 of spring 6 is inserted into longitudinal groove 4 of tubular case 3. spring 6 is provided with sensor 9 for axial displacement of spring and sensor 10 for dynamic pressure force. Rotation of screw holder 5 shall be performed until seam 2 stops against heating element 7 to the point, when sensor 9 and sensor 10 will determine, that step S of spring 6 increased to controlled value, which matches reliable contact of seam 2 with heating element 7.

EFFECT: determined moment of contact of seam between thermocouple and heating element during manual movement of screw holder.

2 cl, 1 dwg

FIELD: engineering of devices for automatic maintenance of pressure of working substance at given level, possible use in systems for supplying natural gas to industrial and communal consumers.

SUBSTANCE: device has body with input and output hollows, locking valve, membrane sensitive mechanism, adjusting valve. Adjusting valve is controlled by membrane drive by second order lever, lever for contact interaction of rod of adjusting valve.

EFFECT: increased device operation reliability.

2 dwg

FIELD: possible use as an adjuster of flow-force characteristics of a liquid.

SUBSTANCE: adjuster contains body 1 with internal portion 2, consisting of control hollow 3, coaxial input 4 and output 5 hollows, between which adjusting organ 6 is positioned, made in form of locking element 7, rigidly connected to rod 8, and spring 9 of locking element 7. control hollow 3 is made in form of two side cylinder-shaped branches 10, connecting input 4 and output 5 hollows.

EFFECT: simplified construction of adjuster of flow-force characteristics and decreased hydraulic losses during adjusting.

1 dwg

Gas reducer // 2290682

FIELD: engineering of gas reducers.

SUBSTANCE: gas reducer contains body 1 with saddle 2 and lid 3, superstructure section, including superstructure screw 4, spring 5, membrane 6 with supporting plate 7 and pusher 8, reducing valve, consisting of hollow body 9 with through channel and thickening 10, balancing chamber 14, connected to hollow 21 of working pressure of body 1 and provided with controlling valve 17. Balancing chamber 14 may be made in body 1, or in its stopper 16, while reducing valve is mounted in the chamber with circular gap relatively to the wall of the latter. Chamber is provided with controlling valve, as spring of which spring of reducing valve is used.

EFFECT: low unevenness coefficient, low dimensions and weight of reducer.

5 cl, 1 dwg

FIELD: automatic control.

SUBSTANCE: device comprises housing, lid, adjusting spring, control members for adjusting specified parameters, and chamber that receives the diaphragm. The diaphragm divides the space of the chamber into the above-diaphragm space connected with the gas pipeline to be controlled and under-diaphragm space connected with the atmosphere. The diaphragm is mounted on the movable rod. The rod passes through the diaphragm at its center and causes the pusher to move. The pusher is connected with the second rod that is perpendicular to the first rod and connected with the third rod. The shutoff valve is mounted on the third rod. The rod of the shutoff valve is oriented parallel to the rod of the diaphragm. The second chamber of the device is positioned in the space between the lid and housing from the side of the lid. The second chamber receives the second diaphragm that is shaped similar to the first diaphragm and separates the second chamber into above-diaphragm space and under-diaphragm space. The under-diaphragm space is in communication with the atmosphere and defines a space between the lid and the second diaphragm. The second diaphragm is mounted on the same rod as the first diaphragm for permitting the above-diaphragm spaces of both of the chambers to be interconnected by means of a passage made in the hollow rod. The second chamber is defined by the cylindrical hollow housing mounted on the lid and receives the a baffle at its center provided with diaphragm for permitting the rod of the diaphragms to pass through them. The rod of the diaphragms is connected with the pusher by means of a bushing. The bushing has side passage oriented parallel to the diaphragms for connection of the above-diaphragm spaces.

EFFECT: enhanced reliability and precision.

2 dwg

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