Fluid medium regulator having improved flow stability

FIELD: manufacturing technology.

SUBSTANCE: fluid medium regulator contains a housing having a fluid medium inlet and a fluid medium outlet interconnected by a fluid flow channel with part of the regulator housing forming the first chamber and the second chamber, a feedthrough hole located in the fluid flow channel, a seat and a control element located in the fluid flow channel and made able to displace between the open position located at a distance from the seat and the closed position installed against the seat, herewith the control element is configured to respond to changes of the fluid medium pressure in order to regulate the flow of the process fluid medium through the feedthrough hole.

EFFECT: first membrane with a radial inner part is functionally connected to the control element, and the second membrane with a radial inner part is also functionally connected with the control element.

23 cl, 8 dwg



Same patents:

Pressure regulator // 2544880

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.

2 dwg

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: 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

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.

1 dwg

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

FIELD: heating.

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