FIELD: machine building.
SUBSTANCE: pressure regulator comprises a casing with inlet and outlet holes and a flange connected to the casing by screws. A membrane dividing the pressure regulator cavity into fuel and air chambers is fixed in the junction place. The pressure regulator also comprises a lower plunger and an upper plunger coupled with the membrane, a spring with a threaded cup to adjust the action force of the lower plunger on the inlet hole seat. The casing is fitted by vertical inlet and outlet holes connecting the inlet and outlet holes to the fuel chamber and to the pressure measuring sensors and fuel temperature measuring sensors. For the purpose of adjusting the conjugation of the seat and the lower membrane's plunger, the seat inlet hole and the mating supporting part of the lower plunger are of conical shape, the side casing surfaces are fitted by additional outlet holes to feed one or more units.
EFFECT: increased reliability and stability of pressure regulator work and expanded functionality.
The invention relates to devices for regulating the pressure of liquid and gas.
Known gas pressure regulator comprising a housing with inlet and outlet cavities, between which there is a saddle regulatory body, the valve which is installed in the output cavity and is connected through a rod with compensation membrane, located in the output cavity and forming with the housing a discharge chamber connected through a channel in the stem with the input cavity, and a valve associated with membrane servo drive containing the master device and the control cavity with the output shaft, the output shaft of the servo fitted with a protective membrane, forming with the housing podobrannyy cavity which communicates with the output cavity (RU, patent for invention №2062505, CL G05D 16/06, publ. 1996)
The disadvantages of gas pressure regulator are:
- the presence of two membranes reduces the reliability of the regulator and the stability of the position of the valve stem and the seat of the regulator;
- adjust valve position with a large console complicates the regulatory process and decreases the reliability of the controller.
Known gas pressure regulator comprising a housing, a cavity high pressure connected to the inlet channel, the internal cavity of low pressure that is connected with the outlet channel and forming a Central channel that regulates the throttle, �Adelaide cavity high and low pressure and formed a saddle and a shut-off valve, so low to the saddle elastic element, a damping chamber that is separate from the low pressure cavity wall of the housing with a connecting hole disposed coaxially with the Central channel and informing the cavity of the low-pressure damping chamber, the sensing element in the form embedded in the body of the membrane, forming another wall of the damping chamber and cooperating with the job item, a pusher that is axially movable in the housing and connecting the sensing element with a shut-off valve, and the plunger passes through the connecting hole with clearance and outlet channel communicates directly with a Central channel and at an angle thereto, as well as the inlet fitting and auxiliary channels in the housing, the input to the output channel directly adjacent to the entrance to the connecting port, and the controller parameters are related by √s=k3√v, where s is the minimum cross-sectional area of the gap between the follower and the connecting hole, v is the maximum volume of the damping chamber and k=0.01 to 0.50, the pusher in the area of the Central channel is formed with a plot decreases towards the locking body cross-section, starting at the connecting hole, the plunger is made with a conical section, the sensor membrane back�on a composite of at least two plates, between which is formed a sealed damping cavity (RU, patent for invention №2092889, CL G05D 16/06, publ. 1997).
The disadvantages of gas pressure regulator are:
- the presence of 3 channels and outlet of gas complicates the design of the regulator and reduces the reliability.
- there is no possibility of measuring the pressure and temperature in the inlet and outlet channels of the controller and, accordingly, the volume of gas supply;
- the inability to use the pressure regulator to power more than one object.
Known pressure regulator model EZR adopted as a prototype, comprising a housing with inlet and outlet openings and a flange connected to the housing by screws, to the junction of the fixed connection of the membrane separating the cavity of the regulator on the fuel and air chambers, the lower plunger and the upper plunger connected with the diaphragm, a spring with screw-regulation efforts impact the bottom of the plunger against the seat of the inlet.
(website: EZR pressure Regulator company EMERSON).
The disadvantages of this controller are:
- the inability to measure the pressure of fuel in the inlet and the outlet of the casing;
- the inability to use the pressure regulator to power more than one object;
- there is no option to set the position of the lower plunger �otnositelno membrane for closing the inlet;
- flat touch surface of the lower plunger and seat inlet reduces the smoothness, stability and reliability of the controller.
The technical result of the invention is to improve the reliability and stability of operation of the pressure regulator and the expansion of technology.
Said technical result is achieved in that the pressure regulator comprising a housing with inlet and outlet openings and a flange connected to the housing by screws, to the junction of the fixed connection of the membrane separating the cavity of the pressure regulator on the fuel and air chambers, the lower plunger and the upper plunger, sealed with a membrane, a spring with threaded glass to regulate the efforts impact the bottom of the plunger against the seat inlet; the case has a vertical inlet and outlet connecting the inlet and outlet to the fuel cell and the sensors measure the pressure and temperature sensors fuel, the saddle is fixed in a vertical inlet by means of a threaded connection with a compensating ring, for adjusting the seat mates with the lower plunger of the membrane, the inlet opening of the seat and corresponding to the support portion of the lower plunger is made of a conical shape, on the sides of the body is complete�outlet-date with ability to power more than one object, and the mating surfaces of the housing and the flange to secure the membrane is made with a circular radial pair.
Fig.1 is a perspective view of the pressure regulator of Fig.2 - section a-A in Fig.1.
The pressure regulator comprises a housing 1 (Fig.1) with an inlet 2 and outlet 3 holes and flange 4 connected to the housing 1 by screws 5, at the junction of the fixed connection of the membrane 6, which separates the cavity of the pressure regulator on fuel 7 and 8 air chamber, the lower plunger 9 and the upper plunger 10 is bonded to the membrane 6, the spring 11 with a threaded Cup 12 to regulate the efforts of the impact of the lower plunger 9 against the seat 13 of the inlet 2; the case has a vertical inlet 14 and outlet 15 holes connecting the inlet 2 and outlet 3 holes with fuel 7 camera and sensors 16 and pressure measurement sensors 17 measuring the temperature of the fuel, the seat 13 is fixed in a vertical inlet hole 14 by means of a threaded connection with a compensating ring 18, for controlling the coupling seat 13 with the lower plunger 9 of the membrane 6, the inlet opening of the seat 13 and corresponding to the support portion of the lower plunger 9 is made of a conical shape 19, on the side 20 (Fig.2) of the housing 1 is made of an additional outlet openings 21 with the ability to power more than one object, and the mating surfaces 22 to�a span of 1 and the flange 4 for fastening membrane 6 is formed with a circular radial coupling 23.
The pressure regulator operates as follows.
The pressure in the air chamber 8 is set by the pressure sensor 16 of the fuel in the outlet 3 and a vertical outlet pipe 15, if the fuel pressure exceeds a set value determined by the force of the spring 11, the membrane 6 raises the saddle 13, directing the fuel back into the fuel tank. This resulted sensors pressure measurement 16 and temperature 17 performs control and setup parameters of the pressure sensor, including the installation position of the seat 13 fit compensating ring 18, and the execution of the inlet seat 13 and corresponding support part of the lower plunger 9 cone 19 increase the accuracy of the fuel feeding operation of the pressure sensors. The implementation of the mating surfaces 22 of the housing 1 and the flange 4 for fastening membrane 6 with a circular radial coupling 23 increases the reliability and stability, and the presence of additional outlet openings 21 with the ability to power more than one object expand technical capabilities.
A pressure regulator comprising a housing with inlet and outlet openings and a flange connected to the housing by screws, to the junction of the fixed connection of the membrane separating the cavity of the pressure regulator on the fuel and air chambers, the lower plunger and the upper plunge�p, bonded with membrane spring with threaded glass to regulate the efforts impact the bottom of the plunger against the seat inlet, characterized in that the housing is made of a vertical inlet and outlet connecting the inlet and outlet to the fuel cell and the sensors measure the pressure and temperature sensors fuel, the saddle is fixed in a vertical inlet by means of a threaded connection with a compensating ring, for adjusting the seat mates with the lower plunger of the membrane, the inlet opening of the seat and corresponding to the support portion of the lower plunger is made of a conical shape, on the sides of the housing is provided with an additional outlet with the ability to power more than one object, and the mating surfaces of the housing and the flange to secure the membrane is made with a circular radial mate.
FIELD: machine building.
SUBSTANCE: reducer comprises a case with three chambers divided by walls: a high-pressure chamber, a reduced pressure chamber and a regulation chamber, a partition coupled with a movable plunger diving the regulation chamber into a piston cavity and an annular cavity, a valve which is connected with the plunger, set in the high-pressure chamber, fitted with a sealing element interacting with a seat in the wall, the first channel connecting the reduced pressure chamber with the piston cavity of the regulation chamber, the second channel with a check valve connecting one of the regulation chamber cavities with the environment, the third channel with a regulated throttle connecting the high-pressure chamber with the piston cavity. The method involves the supply of gas to the piston cavity of the high-pressure chamber, delivery of gas to the reduced pressure chamber and to the consumer, it is possible to change the flow and pressure of gas delivered to the consumer, bleeding of gas from the piston cavity into the environment through the second channel.
EFFECT: reduced dimensions and weight of a reducer with low amplitude of pressure fluctuations.
10 cl, 4 dwg
FIELD: machine building.
SUBSTANCE: present invention on the whole is related to the units for fluid medium flow rate control and, in particular, to a valve seat with forced position fixation to be used with fluid medium flow rate control units. The proposed group of inventions comprises a valve seat with forced position fixation to be used with a fluid medium flow rate control unit, and a fluid medium flow regulator. The valve seat comprises a metal ring and an elastic ring connected to the metal ring and having a sealing surface for leakproof interaction with a working element regulating the flow, and fluid medium flow rate control units, at least part of the external elastic ring surface includes a circular protrusion for leakproof interaction with a circular groove in the case of the fluid medium flow rate control unit, the internal elastic ring surface is connected to the external metal ring surface. The fluid medium flow regulator comprises a case having an arm formed by an annular cavity in the case between an inlet hole and an outlet hole, and the above valve seat set inside the case.
EFFECT: improved performance characteristics of a fluid medium flow regulator and provision for forced position fixation in essence to prevent shift of the valve seat in respect to the case of the fluid medium flow rate control unit.
16 cl, 3 dwg
FIELD: machine building.
SUBSTANCE: group of inventions relates to the field of automation and is intended for use in industrial and housing applications for monitoring of pressure of fluid medium downstream a valve. The pressure regulation valve comprises the balanced insert valve. The balanced insert valve has a lock with the central passage. The central passage has a valve seat and a valve stem, interacting for valve opening and closing. One end of the central passage is plugged with the end plug, with blind passage for partial intake of the valve stem. The fluid medium pressure downstream the valve is transmitted into the blind passage through the hollow part of the valve stem that results in balancing of the valve stem in a lock. There is a design version for implementation of the balanced insert valve and the method of conversion of unbalanced valve into balanced valve.
EFFECT: group of inventions is aimed at increase of life expectancy, reliability and precision of valve operation.
20 cl, 3 dwg
FIELD: instrument making.
SUBSTANCE: invention relates to instrument making and can be used for control over fluid pressure. Particularly, it relates to pressure thermostatic control. Proposed device comprises casing with fluid inlet communicated with fluid outlet via the first flow-through channel. Heating unit is arranged inside said casing to surround at least a part of said first flow-through channel. Said heating unit serves to feed heat to working fluid flowing via said first channel which separates said flow from said heating unit.
EFFECT: enhanced performances.
29 cl, 10 dwg
FIELD: machine building.
SUBSTANCE: load regulator including an internal safety valve assembly comprises a casing having a loading diaphragm set between the first shell and the second shell. The first shell and the first side of the loading diaphragm form the first chamber and the second shell and the second side of the loading diaphragm form the second chamber. The unit of the safety valve is connected to the loading diaphragm. The unit of the safety valve comprises a safety valve seat fitted by a hole which forms a passage providing for hydraulic connection of the first chamber and the second chamber, and a safety valve gate connected so that it is able of moving together with the safety valve seat. The safety valve gate can move from the safety valve seat to the outlet position providing for the flow of fluid medium between the first chamber and the second chamber as a response to the output pressure that dramatically exceeds the pressure at which the load regulator moves into closed position.
EFFECT: higher reliability of a device.
23 cl, 11 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to instrument making and can be used in the systems of control over various processes. Invention covers several versions of temperature controller. Temperature controller comprises the case with fluid inlet communicated via first flow channel with fluid outlet and heat carrier inlet communicated via second flow channel with heat carrier outlet. Heat carrier inlet is made integral with controller case. Heating chamber case is plugged in controller case to make the chamber between heat carrier inlet and outlet. At least the part of aforesaid first flow channel is located inside the case while heat carrier flows via its inlet to heat working fluid in said first flow channel separating said fluid from heat carrier.
EFFECT: expanded performances.
17 cl, 4 dwg
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: 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
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.
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.
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.
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.
FIELD: valving systems.
SUBSTANCE: device comprises pulse tube that connects the control space of pilot with the receiver of the static outlet pressure and is connected with the inner chamber and switch mounted at the site of pipe joint made of e.g. three-position cock. The flexible coupling controls the space between the side and flanges of the inlet and outlet branch pipes depending on the switch position.
EFFECT: expanded functional capabilities.
FIELD: pipeline engineering.
SUBSTANCE: fluid pressure regulator comprises housing provided with a flange having a number of projections shaped into lugs. Each projection has at least one opening made for permitting receiving a fastening member. The regulator has valve provided with the seat, valve plate, valve rod connected with the plate, and valve guide member that locks the rod of the valve. The lever has the first end connected with the valve rod and second end connected with the diaphragm. The force is applied to the rod from the side of the lever in the direction virtually perpendicular to the longitudinal axis of the valve rod. The valve rod has stop member that arrests the valve rod and the plate against movement with respect to the seat of the valve.
EFFECT: enhanced reliability.
21 cl, 8 dwg
FIELD: engineering industry; regulator engineering.
SUBSTANCE: regulator of gas pressure contains valve located on a rod, saddle, central hole, feeler connected by means of lever transmission with a rod. In the valve and in rod channel for a gas supply in a compensating cavity is executed. This cavity is organised by protective and compensating membranes. Regulator has located in a peripheral edge part of the valve the channel for an inlet (input) of gas. Central face part of the valve from periphery has an overlapping element, forming under itself a cavity for a gas course.
EFFECT: productivity gain of the device due to rising of its throughput.
3 cl, 1 dwg
SUBSTANCE: valve unit (1) includes housing with inlet (2) and outlet (3), valve 1 (6) with seat (8) and gate (7) and valve 2 (10) providing stable pressure drop at valve 1 (6). Valve 1 (6) is located in the first part of unit body (A) whereas valve 2 (10) is situated in the second part (B) of unit body. Besides, first part (A) and second part (B) of unit body are interconnected. Pressure transfer channel (28) from outlet (3) to membrane side (24), which is opposite to valve 1 (6) crosses parting surface (C) between the first (A) and second (B) parts of unit body.
EFFECT: simplification of valve unit design.
10 cl, 2 dwg