Valves and taps and cocks and actuating-floats and devices for venting or aerating (F16K)

F16K15 - Functional types(860)
F16K25 - Details(130)
F16K41 - Spindle sealings(119)
ethod of draining liquid from wells when using underground oil production method // 2642759
FIELD: oil and gas industry.SUBSTANCE: method includes supplying liquid to the divider through a hole in the cover of the upper chamber, filtering large mechanical impurities, supplying liquid into the upper chamber with a float, then through openings of throttle partition into the lower chamber to the valve unit. Under the action of high level of liquid in the upper chamber, the float moves upward and, by means of the rod, it opens a first small valve. Then, if it is necessary to increase the throughput capacity of the large valve, moving the small valve with one degree of freedom inside the large valve and together with it inside the sleeve along the common vertical axis. After draining liquid through the discharge bushing under the action of lowering of liquid level in the upper chamber, the float moves down and closes both valves.EFFECT: improved safety of the drainage process due to smooth adjustment of liquid outlet and provision of process continuity.3 cl, 12 dwg

Rupture disc having laser-formed reversal initiation and strain control elements // 2642752
FIELD: machine engineering.SUBSTANCE: reverse acting rupture disc (10) having a laser-formed reversal initiation element (16) provided in the disc projecting portion (12). The reversal initiation element comprises at least the first laser-exposed region (22) which has reduced thickness relative to the remaining projecting portion. A second laser-exposed region (24) provided within the first laser-exposed region. The second laser-exposed region has depth less than the depth of the first laser-exposed region. Attenuation line (40) can be formed in the projecting portion which acts to direct the reversal of raised portion towards specific region of the disc, such as line (56) of the opening groove.EFFECT: control and ordering of the extension shape in reversal.40 cl, 12 dwg
Explosion-protection structure for fencing explosion-hazardous premises of production facilities // 2642619
FIELD: safeguards; explosion-protection devices.SUBSTANCE: invention relates to explosion-protection devices used in explosive objects. Technical result is achieved by the fact that in explosion-protection structure for fencing explosion-hazardous premises of production facilities, containing reinforced concrete panels of size 60001800 mm with perimeter strap for transportation, panel is made in the form of depressions in the building wall and is formed by the planes of a regular quadrilateral truncated pyramid with a circular base, inscribed in its faces in the form of a hole with diameter Dy, there is a body base, made in the form of a plate with a central hole of diameter Dy, equal to the diameter of the hole in the building fence, which is covered by a lined cargo gate movably connected to the base by means of at least three flexible connections, for example in the form of chains, one end of which is hingedly connected to the cylindrical part of the body, and the other one is hingedly connected to the cargo gate, the cylindrical body part is connected to the middle conical and upper cylindrical parts, and in the cylindrical body part, adjoining the conical part, there is a circular diaphragm with a central hole and with at least three holes located in its peripheral part, and between the circular diaphragm and the lined cargo gate there is a bushing made of a rapidly disintegrating material, for example glass, of the "triplex" type, whose strength is calculated for a certain overpressure in the explosion-protection structure, and there is rod coaxial to the bushing, made of a rapidly disintegrating material, axisymmetric to a hole of diameter Dy and fixed to the base of the body on the lined cargo gate, right part of the rod is axisymmetrically located in the central hole of the circular diaphragm.EFFECT: technical result is increased reliability and efficiency of safe operation of explosion-hazardous premises of production facilities.1 cl, 2 dwg

Safety valve // 2642278
FIELD: human vital needs satisfaction.SUBSTANCE: valve for controlling the flow of medium from the first system to the second system comprises a deformable dome-shaped structure forming a reservoir. The valve cover includes the first connecting hole for connecting the valve to the first system and a contact element for interacting with the flow path hole to open and close it. The valve base is hermetically connected to the valve cover and to the dome-shaped structure and includes the second connecting hole for connecting the valve to the second system. The deformable dome-shaped structure is configured in such a way that it is deformed in the open position of the valve, and the flow path hole is not connected to the contact element so as to allow the medium to flow from the first system to the second system through the first and second connecting holes and the flow path hole. In the closed position of the valve, the deformable dome-shaped structure has its original dome shape, and the flow path hole is connected to the contact element and is thus closed. A pumping device for transporting the medium and a breast pump device for extracting milk from the breast of a nursing woman are disclosed.EFFECT: ensuring reliable vacuum control.14 cl, 6 dwg

Shut-off valves for main pipeline // 2642179
FIELD: machine engineering.SUBSTANCE: invention can be used as the shut-off valve in the pipelines of NPP, TPP, main oil and gas lines. There are lubricating elements located in a housing above and below sealing seats and interacting with working surfaces of a lifting gate and made of solid lubricant. The lubricating elements are provided with devices for pressing them to the lifting gate.EFFECT: reduction of wear intensity of conjugated flat working surfaces of lifting gate and sealing seats.2 dwg

ethods and device for treater calibration // 2642000
FIELD: technological processes.SUBSTANCE: embodiment of method includes determining if a first position of a process control device is a first end position, and in response to the first position being the first end position, calculating a second end position of the process control device based on the first end position and configuration information. The embodiment of method additionally includes calculating a partial stroke zone of the process control device based on the first end position and the second end position, and determining when a current position of the process control device is within the partial stroke zone. The embodiment of method also includes calculating an output bias based on a control signal and a summed value when the current position is within the partial stroke zone.EFFECT: improving the calibration accuracy.22 cl, 6 dwg

Water-gas unit // 2641999
FIELD: machine engineering.SUBSTANCE: water-gas unit contains a membrane-valve mechanism for stabilizing a preselected water supply and a spring-loaded valve for gas supply with the drive from a membrane of the membrane-valve mechanism. The drive of the gas supply valve is carried out by the membrane through the magnetic field of two magnets oriented with respect to each other with the same poles located on both sides of the non-magnetic partition separating the gas and water cavities of the unit, one of the magnets is mechanically connected to the membrane and the other to the gas supply valve.EFFECT: increase the reliability of the device and the accuracy of the water supply regulation.1 dwg
Hollow poppet valve // 2641870
FIELD: engines and pumps.SUBSTANCE: hollow poppet valve (10) has a head (14) formed integrally with one end side of the stem (12). The valve (10) comprises a hollow part (S1) disposed on the head side (14) and a hollow part (S2) located on the side of the stem (12). The hollow part (S1) and the hollow part (S2) are separated from each other by a partition (15) formed in the region of the halving part (13) between the valve head (14) and the valve stem (12). Hollow part (S1), located on the side of the head (14), formed by partitioning (15), spherical indentations hull heads (14) and the closing element forming the bottom of hollow parts (S1), located on the side of the head (14). On the head side facing the combustion chamber (14), in a hollow part (S1), located on the side of the head, there is heat-insulating part containing gas or material, which has a lower thermal conductivity compared with metal forming valve (10). In the hollow part (S2) located on the side of the stem (12), there is a cooling part, into which the coolant (19) is loaded. Thermal insulation effect is achieved in the heat-insulating part. The heat dissipating effect is achieved in the cooling part. By specifying at least one out of the wall (15) in the direction of up and down and the length of the partitions (15) in the direction of upside-down is provided by regulation of the relative values of heat-insulating and heat dissipating effect. A method for controlling the relative values of the heat-insulating effect and the heat-dissipating effect of the hollow poppet valve is disclosed.EFFECT: increase the mechanical strength of the poppet valve.2 cl, 8 dwg
Valve cage without dead zones between noise suppression sections and high-throughput of flow // 2641799
FIELD: machine engineering.SUBSTANCE: valve cage for fluid medium flow controller contains a hollow cylindrical body, a noise absorption portion, a flow high-throughput portion and a transition portion. The noise absorption portion has a plurality of inlet openings, a plurality of outlet openings, and a plurality of tortuous flow paths extending between the inlet and outlet openings. The flow high-throughput portion is in axial direction adjacent to the noise absorption portion and comprises a first axial end, a second axial end, and plurality of primary flow openings. The transition portion is on the intermediate surface between the noise absorption portion and the second axial end of the flow high-throughput portion and comprises a plurality of transition openings. Each transition opening has a recess at the end of the flow high-throughput portion so that the transition portion ensures no dead zone in the valve cage between the noise suppression sections.EFFECT: high throughput of flow when implemented in the fluid flow controller.23 cl, 4 dwg

Safety locking device with locking mechanism of valve plate // 2641796
FIELD: machine engineering.SUBSTANCE: device comprises a valve body (112), a valve seat (120) located between the inlet and outlet, a return rod (136) moving between the retracted and the reduced position. The valve plate support (160) comprises a threaded rod and is connected to a return rod (136). The valve plate (122) interacts with a support rod and is made with the ability to move in response to the movement of the valve plate support (160) between the open position and the second closed position in which the valve plate (122) is adjacent to the valve seat (120). A threaded nut (206, 208) attached to the threaded part of the rod of the valve plate support (160), also, a locking spring (210), protected by a threaded nut (206, 208), is disposed on the rod of the valve plate support (160). The locking spring (210) applies a biasing force to the valve plate (122). Versions of the device and method of stopping the valve plate are described.EFFECT: increase the reliability.18 cl, 9 dwg
Fire valve of super-high pressure // 2641792
FIELD: fire safety.SUBSTANCE: fire valve of super-high pressure with an input and output comprises a spring-loaded closure element and retainer set in the inner cavity of the housing with possibility of interaction, a saddle with an inner hole, installed coaxially with the closure element, gas discharge holes and a hole communicating with the inner cavity, one end of the retainer is designed as a disc, spring-loaded on the side of the closure element, fixed by a fuse part, saddle and piston surfaces facing each other are provided with a metal cutting edge, the fuse part is made in the form of a disc. In the inner hole of the saddle there are an additional fuse part and a retainer in the form of a hollow rod with a disc, a welded bushing is placed in the housing hole, in the upper part of the bushing there is a membrane fixed by an insert in the form of a disc which is fixed by the piston, the upper part of which is made in the form of a disc, which interacts with the fuse part in the form of a disc.EFFECT: preventing destruction of working tanks from excessive pressure in case of fire.2 dwg
Pyrotechnic valve (versions) // 2641789
FIELD: machine engineering.SUBSTANCE: pyrotechnic valve has a body in which a pyrotechnic drive and piston are mounted on one axle and which is perpendicular to the direction of piston movement and sealed with a plug by means of welding. At the pipeline outer diameter and the plug in the zone of their connection there is a groove of depth not less than value of elastic deformation of outer end plug bending which is welded to the pipeline without subsequent heat treatment of the weld zone and made of same material as the pipeline. The groove is made on the larger part of the plug length, and an annular groove is made on the piston outer cylindrical surface, which axial location provides its alignment with the opened pipeline. An embodiment of the valve is also proposed.EFFECT: creating a pyrotechnic valve to provide improved tightness and reliability.3 cl, 8 dwg

Ball cock // 2641544
FIELD: machine engineering.SUBSTANCE: in a ball cock comprising a body with inlet and outlet holes, in which there is a ball plug with a through hole driven by a rod, and a seat made of polyurethane, interacting with spherical surface of the ball plug, rings are tightly fixed on the ball plug, the rings are made of polyurethane antifriction material and have a spherical surface interacting with seats. Center of the spherical surface of rings coincides with the center of spherical surface of the ball plug, and the diameter of the rings spherical surface is larger than the diameter of spherical surface of the ball plug. Centers of rings are aligned with axis passing through the center of the spherical surface of the ball plug and perpendicular to the plane, passing through the axis of the through hole of the ball plug and the axis of the rod.EFFECT: elimination of polyurethane seat adhesion to the spherical surface of the ball plug, which reduces and stabilises the torque required to control the cock, which increases the reliability of the ball cock operation.2 dwg
Two-speed manual drive of shut-off valves // 2641415
FIELD: machine engineering.SUBSTANCE: two-gear manual drive of shut-off valves comprises a housing (1), a cover (2), a planetary mechanism including a crown wheel (3), satellites (4), the axes of satellites (5), a carrier (6), and a central shaft-gear (7), a gear switch consisting of a central shaft-gear flange (8) with holes, which number is equal to the number of satellites (4), and the heads of satellite axles (9), which sizes correspond to the sizes of flange (8) holes, a gear switch lock (10), a flywheel (11), and a sliding bearing (12). Simplified design of the drive and reduction of its axial size and mass is achieved by designing the gear selector in the form of a narrow flange of the central shaft-gear (8) with holes and used as gear switch elements of heads of satellite axes (9), as well as by providing the lock of the gear switch position (10) in the form of one open elastic ring located in the circular groove of the carrier (6) of the planetary mechanism.EFFECT: increased efficiency.2 cl, 3 dwg

Fluid medium control valve // 2641197
FIELD: machine engineering.SUBSTANCE: inside a valve body provided with a first flow path and a second flow path, which are connected in parallel with a first port and a second port, there are a needle valve body which opens/closes the throttle hole in the first flow path. Also inside the valve body, there are a check valve assembly which opens/closes the second flow path, and a piston which performs opening/closing control for the needle valve body by the cooperation of the pressure of the fluid medium introduced into high-pressure chamber, and the force of compression spring. Needle valve body is built on top of rod connected with the piston. Inside the rod and the needle valve body, there is a passage opening connecting the throttle hole and the high-pressure chamber.EFFECT: simplification of design and reduction of valve dimensions.11 cl, 12 dwg
Segmented seal valve assembly // 2641185
FIELD: machine engineering.SUBSTANCE: seal valve assembly is disclosed. The seal assembly comprises an upper part for slide valve installation. The seal assembly comprises first and second longitudinal sections of packing material for the slide valve sealing. In addition, the seal assembly comprises the first and the second pushing elements located adjacent to the first and the second longitudinal parts. The seal assembly also comprises several clamping elements arranged adjacent to the first and the second pushing elements, at that clamping elements pressure selected sections of the first and the second pushing elements, compressing the corresponding selected sections of the first and the second longitudinal sections of the packing material.EFFECT: reduced weight and dimensions of the valve.12 cl, 5 dwg

Valve (versions) // 2641183
FIELD: machine engineering.SUBSTANCE: in the valve containing a body 1 with a bushing on the fins and a saddle, a body entrance 2 with a fairing 7 on the fins, a spring loaded jewel 3 with a seal 5, contacting the saddle of the body 1 and manufactured in the form of fungus, with central step-like groove, a piston 8 with a seal 9, contacting the saddle of the jewel 3, mounted on the end part of the bushing of the body 1, a lid 11, a sealing central step-like groove of the jewel 3, according to the invention in the body entrance 2 the fairing 7 is made in the form of dumb glass on internal diameter from an end face of the fairing 7 of the entrance body 2 the groove is executed, in which a combined seal 13 is set, on the jewel 3 on end face a cylinder 4 is formed, the external diameter of which interacts with the combined seal 13, while on the surface the jewel 3 on the side of the outlet cavity of the valve holes 6 are executed and the external diameter of the cylinder is less than the average diameter of the saddle of the body 1. A valve version is also provided.EFFECT: reliability of use.2 cl, 4 dwg

Control valve // 2641179
FIELD: oil and gas industry.SUBSTANCE: control valve comprises a body 1 with a pin 2, a fly gate 3 in the form of a movable sleeve with a power screw thread 4 on the outer surface and a groove 5 interacting with the pin 2, a seat 6 and a worm fly gate drive including a worm 7 located in the body 1 and a worm wheel 8 with a power screw thread on the inner surface interacting with the thread 4 of the moveable fly gate 3, a surface 9 of the seat 6 contacting the fly gate 3 is flat and its opposite surface 10 is spherical and concave and is provided with an axial bore 11. The supporting surface of the body 1 interacting with the spherical convex surface 10 of the seat 6 is spherical and concave 12 and is equipped with a cutter 13, on the axis of which there is a seat 6 and an elastic sleeve 14 in the axial bore 11 of the seat 6. The length of the elastic sleeve 14 is greater than the depth of the axial bore 11.EFFECT: thanks to the installation of a seat with a flat sealing surface in a body with a cutter on a spherical bearing with an elastic sleeve and the possibility of the seat self-adjusting over the sealing surface of the fly gate, a more tight seal of the fly gate with the seat is ensured, and the required axial force affecting the fly gate to perform a tightness is reduced.1 dwg
Return valve // 2641146
FIELD: machine engineering.SUBSTANCE: valve comprises a body with a central threaded hole, the body includes a cage, a seat and a spring-loaded shutoff element interacting with the seat which is movably mounted in the valve cage. In the cage there is a cavity and a bottom with holes therein, in the cage cavity there is a spring for pressing a locking element to the seat, wherein the cage in the longitudinal section has a bowl shape formed by a first cylindrical portion and a second elongated cylindrical portion of a smaller diameter. In said cage portions there is the locking element made in the form of a rod with a semicircular head interacting with the seat. The seat is made with an outer thread and screwed into the central threaded body hole, the seat end is pressed to the end face of the first cylindrical cage portion, the rod end of the locking element is located inside the spring, wherein the body, the rod and the cage are made with projections, the end of the cylindrical cage portion is pressed to the body projection. A spring is between the rod and the cage projections, one spring end rests against the cage projection, and the other spring end rests against the rod projection.EFFECT: increased efficiency of the return valve.3 cl, 1 dwg

ethod (versions) and device for analysis of friction effect on control devices for process control // 2641025
FIELD: machine engineering.SUBSTANCE: according to one method of analysing friction effect on the control device, a first force or torque is determined, corresponding friction of the control device to control the process and a device for actuation which is connected to said control device by means of a rod or a shaft, in response to the first force or torque a first command is determined for actuating said control device by means of the rod or shaft to obtain a first reaction of the actuating device, and a second force or torque corresponding to the friction of the control device to control the process and the actuating device is determined, and in response to the second force or torque a second command is determined for actuation of said control device by means of the rod or shaft to obtain a second reaction of the actuating device.EFFECT: stability of rod or shaft properties during operation.20 cl, 4 dwg

Valve // 2640902
FIELD: machine engineering.SUBSTANCE: in initial position, the protrusion of the shutter 2 spring-actuated 3 abuts the end part of the rod 11 of the piston 7, the valve cross-section is open. The initial position of the piston is provided by the force of the spring 6. When applying control pressure piston with rod 7, breaking the spring force 6, moves to another in its heel, with 1 bolt 2 lock with the end of stem 11 7 piston and sits on the saddle seal enclosure 1, closing the orifice valve and lug bolt 2 comes into the groove end part 11 7 piston rod. The required tightness to the piston is provided by the ring 9 and the collar 10.EFFECT: use of this valve allows the valve to be held in the open position by the piston rod and allows the gate to fit into the seat ring when the piston is moved by the control command.3 cl, 1 dwg

Heat recovery unit // 2640898
FIELD: heating system.SUBSTANCE: unit contains supply and exhaust fans, a polymer heat exchanger, a recirculation channel with an air damper placed in it, mounted on the hollow shaft. The whole circuit of the damper is equipped with a heating electric cable, which rounding the damper, enters the cavity of the shaft and goes beyond the recirculation channel.EFFECT: increase of reliability of the heat recovery unit, including during operation in conditions of negative temperatures.2 dwg

Valve // 2640883
FIELD: machine engineering.SUBSTANCE: invention relates to a valve executed with a possibility of actuating by a drive (2) which positions the actuator element (3) with respect to the nozzle (4) for opening and closing it. On its side facing the nozzle (4) the actuator element (3) has a sealing element (5), which is in the closed position of the valve (1) is adjacent to the saddle (40) of the nozzle and in the open position of the valve (1) is lifted from the saddle (40) of the nozzle. The sealing element (5) is installed at the actuator element (3) with the possibility to move relative to it using a spring element (8), and the spring element (8) provides direction of the sealing element (5) on the actuator element (3) or in a radial direction relative to the saddle (40) of the nozzle, in particular, without friction.EFFECT: invention increases the reliability of the valve in operation.10 cl, 9 dwg

ethods and devices for using vibration data to determine status of process control device // 2640387
FIELD: physics.SUBSTANCE: first vibration data are collected from the first sensor associated with the process control device during calibration; the operating threshold of the control device is calculated based on the first vibration data; the operation data regarding the control device are collected. The operation data indicate the resource associated with the control device. The operational threshold is updated, based on the specified operation data. The updated operational threshold indicates a reduced remaining resource associated with the control device. The second vibration data from the first sensor are collected after the vibration monitoring circuit is calibrated and the state of the process control device is determined if the second vibration data exceed the updated operational threshold.EFFECT: performance of the control device is improved.23 cl, 7 dwg
System for providing safety of explosive facilities // 2640225
FIELD: blasting.SUBSTANCE: system for providing safety of explosive facilities comprises a protective device in the form of an anti-explosion panel above the exposed opening of the protected facility and consisting of armoured metal framework with armoured metal skin and lead as a filler. In the covering of the protected facility, at its opening, symmetrical with respect to the axis of the opening, there are at least three rigidly fixed hinged-screw combined rods telescopically inserted in the fixed support branch pipes rigidly embedded in the metal frame of the anti-explosion panel. Each of the hinged-screw combined rods consists of smooth and screw portions. The smooth portion of the rods is limited in the upper part by sheet-stops and in the middle part by the movable stops which are connected to the elastic-damping elements. The lower screw portion of the rods is located in the fixed support branch pipes, in which there are equidistant and congruent screw surfaces provided with the same parameters as the screw portion of the hinged-screw combined rods. The hinged-screw combined rods are limited at both ends by the upper and lower hinge elements which are located in the covering of the protected object and connected to the guide supports of the rods. The upper hinge elements are connected to the ends of the smooth portion of the rods and to sheet-stops, which in turn are connected to each other via the elastic-damping elements. Each elastic-damping element is rigidly connected to the covering of the protected facility by means of tension elements, one end of which is rigidly connected to the middle of the elastic-damping elements, and the other end is suspended in the covering of the protected facility.EFFECT: invention makes it possible to enhance reliability of explosion-proof devices operation in case of emergency explosion at the facility and provide return of these structures to the initial position after the explosion.2 cl, 2 dwg
Plate assembly with lateral hole for fluid flow control device // 2639987
FIELD: machine engineering.SUBSTANCE: fluid flow control device comprises a valve body including an inlet, an outlet and a valve port disposed between the inlet and outlet and a drive mechanism. The drive mechanism is connected to the valve body to regulate the fluid flow from the inlet to the outlet through the valve port and is provided with a plate assembly and a membrane operatively connected with the plate assembly. The plate assembly is disposed in the valve body and is displaceable relative to the valve port in accordance with pressure changes sensed by the membrane. The plate assembly comprises a plate element, a plate holder, an outlet, a side channel and an annular groove formed in the plate holder. The discharge opening is formed in the first side of the plate holder along the central axis of the assembly. The annular groove is formed in the first side of the plate holder and is coaxial with the discharge opening to accommodate a portion of the ring plate element. The side channel is formed in the plate holder and provides communication between the discharge opening and the annular groove, so that during usage, the pumped fluid which is accumulated in the annular groove between the plate element and the plate holder can be discharged through the discharge opening through the side channel.EFFECT: reduction of wear and abrasion of the plate assembly.31 cl, 5 dwg

ethod to control boost pressure regulator of engine turbocharger and method to control engine turbocharger // 2639826
FIELD: engines and pumps.SUBSTANCE: various methods are provided to control the boost pressure regulator with a drive having a temperature-dependent magnetic field. In one example, the magnetic field is estimated based on the operating conditions and other parameters and used for applying magnetic correction to the voltage supplied to the drive. Methods can provide accurate control of the boost pressure regulator in the presence of alternating magnetic fields, ensuring proper supply of boost to the engine.EFFECT: improved accuracy.13 cl, 5 dwg

Sealing device in valve and valve with such sealing device // 2639825
FIELD: machine engineering.SUBSTANCE: said sealing device includes the following elements: a first element with a convex part, a second element with a concave part and a sealing member; the convex part of the first element is conjugated to the concave part of the second element and the convex part of the first element is configured to enter the concave part of the second element. The sealing member is disposed between the convex part of the first member and the concave part of the second member; the convex part of the first element and the concave part of the second element are conjugated to each other in a dynamic mode with an oppositely directed orientation.EFFECT: increasing the reliability of device and simplify the process of its assembly.6 cl, 7 dwg

Back pressure valve // 2639467
FIELD: machine engineering.SUBSTANCE: reverse valve contains casing with input and output channels, located in it fixed bushing, supplied with radial holes, and a locking element cylindrical form decorated with possibility of axial displacement inside the sleeve. The radial holes are connected by an annular groove made on the outer surface of the sleeve. On the inner surface of the sleeve, from the side of the end facing the outlet channel, an annular projection is formed between the holes. The locking element is made solid, with a diameter equal to the inner diameter of the sleeve between the annular shoulder and the inlet channel.EFFECT: use of claimed valve allows to increase the durability of its components to mechanical stress, increase the area of gas flow between adjacent volumes and increase the technological effectiveness of its operation.6 cl, 3 dwg

Universal valve // 2638697
FIELD: machine engineering.SUBSTANCE: universal valve with an input and an output comprises a loaded shut-off element and a seat coaxially mounted in the inner cavity of the housing, gas release openings arranged in parallel with the input and output, a fusible part in the form of a disk and an opening connected with the inner cavity of the housing. The valve is provided with a diaphragm installed in the housing opening and fixed with a disc-shaped insert which is fixed by the piston with the disk in the upper part.EFFECT: invention allows to prevent the reverse flow of working gas, and also protects the working tanks from destruction under emergency conditions.3 dwg
Gas flow meter with built-in gas shut-off valve // 2638494
FIELD: machine engineering.SUBSTANCE: gas flow meter with the built-in gas shut-off valve comprises a body having an inlet for gas and an outlet for gas, a gas flow meter mechanism and a gas shut-off valve comprising a drive unit including an electric motor and a connecting unit. At that the flow meter mechanism and the gas shut-off valve are located on the gas flow path between the gas inlet and the gas outlet. In this case, the gas shut-off valve is made in form of electrically controlled valve with a spherical or cylindrical valve element. In addition, the gas shut-off valve comprises a valve assembly comprising a valve body and a sealing element placed therein. The valve assembly, the drive assembly and the connecting assembly are configured to be attached to each other in a modular manner and separated from each other.EFFECT: reduction of pressure losses in shut-off valves of the flow meters.14 cl, 15 dwg

Linear cartridge of main stage for pressure regulation // 2638430
FIELD: power industry.SUBSTANCE: valve assembly of main stage uses the technology of hydraulic cartridges. Linear cartridge of the main stage for pressure regulation. The cartridge selectively regulates the flow in the line in the same direction. A tubular plate valve can be mounted in the housing having a sliding adjustment sleeve which may open radial holes in the plate valve for the open position and close the radial holes in the closed position. The cartridge can be made in various ways to perform various functions, such as a pressure relief valve, a balancing valve and a flow control valve. The cartridge may also be configured to allow or prevent backflow. A method for regulating fluid flow is also proposed.EFFECT: minimization of leakage, allows to minimize energy loss at the main flow stage.36 cl, 40 dwg, 2 tbl
Explosion-proof valve // 2638371
FIELD: machine engineering.SUBSTANCE: explosion-proof valve comprises a valve body, heat-insulating and rupture elements, a lined cargo gate, the valve body is made in the form of the lower, middle conical and upper cylindrical parts. In the lower cylindrical part there is a lined cargo gate overlapping the opening in the body of object to be protected, a heat insulation element and a sealing membrane are arranged in the upper cylindrical part of the valve body, pressed to the valve body by means of a cover hinged to the lever which interacts with a baffle, and unit for fastening the rupture element is fixed by its upper part on the lever, and the lower one is on to the upper cylindrical part of the valve body. The blast element consists of a wire, a stop bolt, a fork, a lever of the valve cover plate, a nut, two pulleys located in the lever fork of the valve cover plate, and in the fork of upper cylindrical part of the valve body. Movable connection of lined cargo gate with the valve body base is made in the form of three rods vertically installed in holes formed in the peripheral part of the body of the lined cargo gate. The lower part of rods fastened at the valve body base, while the upper parts have a damping device secured on horizontal bridges of bars and faced towards the cargo gate. Each of three damping devices is fixed on the horizontal bridge rigidly connected to rod and made in the form of a round disc, on which base of the damping device is fixed by means of screws and made of rigid vibration damping material of "Agat" type and connected to elastomer bushing having a central hole through which the rod is passed, the bushing has at least three holes coaxial with the rod, in which the elastic elements are arranged, for example cylindrical screw springs, the upper end of which is connected to base of damping device by means of fastening elements, and the lower plane is in the free state and projects beyond the lower plane of the sleeve by the distance determined by the force developed by the shock blast wave. There is a safety element made in the form of a conical surface rigidly attached to the bushing end surface from the free end side of elastic elements located in its holes coaxial with the rod. The lower base of the cone rests on the bushing, and the vertex is formed with an opening into which the rod enters, and on the inner surface of the safety element designed for shock wave damping at the initial explosion stage and made in the form of a conical surface with an opening in the vertex, into which the rod enters, there is a strain-gauge sensor of deformation measurement.EFFECT: increase the efficiency of the protection of process equipment from explosions by increasing the damping lined cargo gate.4 dwg

Pressure relief valve for containers adapted for pneumatic loading of loose solid products, in particular in storage hoppers // 2638329
FIELD: transportation.SUBSTANCE: pressure relief valve for containers adapted for pneumatic loading of loose solid products, in particular in storage hoppers, comprises a valve body having a first end that pneumatically communicates with the outer part of the container and a second end that is connected to a flow control element that is exposed to the corresponding closing membrane. The flow control device periodically interacts via fluid with said valve body and a channel that communicates with the outer part. According to the invention, at least one portion of the channel that communicates with the outer part is adapted so as to be resiliently deformed by a pressure difference existing between the inner part of said container and the inner part of the channel.EFFECT: low cost of the valve, facilitating its maintenance and preventing the release of the polluting air.10 cl, 3 dwg
Explosion-proof valve // 2638258
FIELD: fire safety.SUBSTANCE: explosion-proof valve, in which elastic elements located in the sleeve to increase damping in the system are made in the form of cylindrical helical springs with a built-in damper. Each cylindrical helical spring consists of two parts with on-coming ends. One part has turns of rectangular cross-section, and the other part of the spring is made hollow. The on-coming end of the first part is located in the cavity of the second part. The gaps of segment profile of contacting spring parts are filled by antifriction grease. A sealing gasket is mounted at the end of the second spring part to prevent grease leakage. The first part of the helical spring, made with turns of rectangular cross-section with rounded edges, is embraced by a tube made of damping material. Gaps in the first part of the helical spring, made with turns of rectangular cross section, embraced by the tube made of damping material, are filled with crumb of friction material.EFFECT: increasing efficiency of the protection of technological equipment from explosions by increasing the damping lined cargo gate.4 dwg

Shut-off gas valve with electromagnetic control // 2638122
FIELD: electricity.SUBSTANCE: shut-off gas valve with electromagnetic control contains a cylindrical frame with a locking ring, a shut-off device made in the form of a gate with a gasket, an inlet branch pipe and an outlet branch pipe with a saddle made of non-magnetic material, a control unit located in a housing on top of the frame and including at least, one coil, a pusher, a magnet and a connector. Moreover, the coil and the magnet are arranged in relation to each other in such a way that when the electric pulse is applied, the magnetic flux created by the coil moves the magnet and the gate to the side of the saddle, the gate is pressed against the saddle of the outlet branch pipe, blocking the flow of the operating medium. In this case, the locking ring, the coil, the pusher and the magnet are located coaxially with the frame on its outer surface and are separated from the controllable operating medium, the housing with the control unit are designed to rotate freely around the longitudinal axis of the valve. In turn, the pusher is made in the form of a cylinder with a prominent ring for manual control.EFFECT: invention makes it possible to create a reliable and safe to use electromagnetic gas valve of simple design with the ability to control the valve mechanically without providing a control current.7 cl, 1 dwg

Eccentric-type cock // 2638097
FIELD: machine engineering.SUBSTANCE: eccentric cock designed to control liquid flows in pipelines comprises a housing, branch pipes, a drive shaft, a saddle, a shut-off element with a lever, a cam-pusher and a follower. The cam-pusher is rigidly connected to the shaft, follower is rigidly connected to the housing. There is no rigid coupling between the shut-off element and the shaft. The shape of the surfaces of the cam-pusher and the follower provides division of the shut-off element movement into two phases: rotation around the drive shaft axis and displacement along pipeline axis. The first phase corresponds to the joint rotation of the shut-off element and the shaft by 90. During the second phase, only the shaft rotates. Total angle of shaft rotation is greater than 90. Air-tightness in closed condition is provided by eccentricity of the cam-pusher.EFFECT: no friction of sealing surfaces of shut-off element and the saddle when opening and closing the cock, reduction of torque on the drive shaft and reduction of sealing surfaces wear.2 cl, 6 dwg

Hydraulic valve // 2637806
FIELD: machine engineering.SUBSTANCE: valve comprises a sleeve (2) which comprises at least the first and the second branch pipe (12, 13, 26) and a pressure balanced stem (14) movable in the valve sleeve (2) between the locking position and at least one first unlock position. The valve stem (14) comprises two parts (15, 16) movable relative to each other and pressed against each other by the hydrostatic pressure occurring in the first branch pipe.EFFECT: invention allows to control the powerful flow of liquid with a small force, necessary to drive the actuator and simultaneously be able to compensate for the excess pressure on one of its nozzles.14 cl, 5 dwg

Shut-off pressure valve // 2637790
FIELD: machine engineering.SUBSTANCE: shut-off pressure valve has a body with a through channel, inlet and outlet branch pipes, shut-off element with a rod, shut-off element seat, pressure means for linear displacement of the shut-off element rod, and a return spring. The valve is additionally provided with a metal bellows chamber placed around the projecting part of the shut-off element rod. At that, the return spring is placed inside the bellows chamber. The outlet branch pipe is located in the side wall of the housing for passing the working medium flow from the housing through the bellows chamber. The pressing device is made in the form of pressure heel with hinged screw.EFFECT: increased reliability of the shut-off pressure valve.5 cl, 2 dwg

Working fluid liquid medium tank with built-in vent valve and/or air relief valve // 2637586
FIELD: machine engineering.SUBSTANCE: working liquid medium tank (1) comprises a vent valve and/or an air relief valve comprising a hollow valve body (10) fixed in the inner region of the working liquid medium tank. The inner region (11) of the body (10) is in fluid communication with the vent line (5) through the vent (3). The region (11) is in fluid communication with the inner region of the working liquid medium tank through at least one vent (13). The vent valve and/or the air relief valve comprises a valve body (20) located in the region (11). In the installed position of the working liquid medium tank (1), the body (20) is at a distance from the vent (3) when the level of the working liquid inside the working liquid medium tank (1) is below the locking level, whereby the body (20) is located in the open position. The region (11) and the vent line (5) are in fluid communication. In the installed position of the working liquid medium tank (1), the body (20) is lifted due to the working liquid in the region (11), so that the body (20) is in the closed position and closes the vent (3) when the working liquid level in the working liquid medium tank (1) is above the licking level, whereby the region (11) and the vent line (5) are not in fluid communication through the vent (3). The body (10) is formed integrally with the working liquid medium tank wall (2). The ventilation hole (3) is formed as a through hole (3) through the working liquid medium tank wall (2). The body (20) can be inserted into the region (11) through the opening (16) for insertion in the body (10). The body (20) comprising a holding device (23; 14, 24) by means of which the body (20) is held movable in the body (10). The holding device (23) comprises an engaging device (23) that can pass through the vent (3) into the vent line (5) from the region (11) in a process involving resilient deformation of the engaging device (23). The engaging device (23) located in the vent (3) is engaged by the wall (2) of the working liquid medium tank surrounding the vent (3).EFFECT: improved working liquid medium tank, which can be manufactured faster and easier, different locking heights can be achieved in a particularly simple manner.16 cl, 4 dwg

Feeding and discharging device for injector // 2637344
FIELD: machine engineering.SUBSTANCE: feeding and purge device (1) for a nozzle of a turbomachine chamber, which comprises: a tube (2) with a first opening (3) and a second opening (4), a blocking system (5) to block the tube, allows to control the passage of fluids into the tube (2). At that, the blocking system (5) is arranged with the possibility to provide the flow of fuel from the first opening (3) to the second opening (4) only from the first pressure of said fuel, for passage of fuel feed. At that, the blocking system (5) is also configured to provide the air flow from the second opening (4) to the first opening (3) only from the second pressure of said air, for the passage of the purge air with the second pressure being greater than the first pressure. Also, an assembly of a turbomachine, a nozzle for a combustion chamber of the turbomachine, and the turbomachine comprising a combustion chamber nozzle, are provided.EFFECT: invention makes it possible to develop simple and compact device, which is made with possibility of adjustment of both fuel and purge air supply, which allows to provide complete blowing.6 cl, 7 dwg

Valve appliance for discharge pipe // 2637212
FIELD: construction.SUBSTANCE: plumbing appliance comprises a tubular housing having an inlet for connection to an inlet discharge pipe and an outlet for connection to an outlet discharge pipe. The inlet and the outlet each are configured to facilitate the upgrading of the existing discharge pipe system with the appliance. The plumbing appliance additionally comprises a check water valve located in the tubular housing, a check air inlet valve mounted on the portion of the tubular housing. The check water valve is located in the normally closed position and is designed to provide sewage flow from the inlet to the outlet and to limit the flow from the outlet to the inlet. The check air inlet valve is located in the normally closed position and is designed to provide air flow to the tubular housing and to limit the air flow from the tubular housing. The check air inlet valve is located on a boss located on the upper portion of the tubular housing, the air inlet valve comprising a cylindrical rim sized to fit tightly into the boss and a valve disc mounted at the lower rod end. The rod is mounted vertically slidable in a spider device extending radially inwardly from the cylindrical rim.EFFECT: protecting the discharge pipe system from both negative and positive pressure at the outlet.27 cl, 2 dwg

Inclined mated surfaces in valve assembly // 2637154
FIELD: machine engineering.SUBSTANCE: valve assembly comprises a valve body having a recess and a cap comprising a recess mated with cap surface, and a valve cage. The cage is partially located in the channel and comprises a body portion elongated along the longitudinal axis and having an outer surface. The valve cage has an annular mating protrusion passing from the outer surface along a transverse plane directed perpendicular to the longitudinal axis. The mating protrusion comprises an upper mating surface and a lower mating surface. The upper mating surface of the mating protrusion is located in the cap recess, thereby it is coaxial with the cap mating protrusion and adjacent thereto. The lower mating surface of the mating protrusion is located in the recess in the body, thereby it is coaxial with the body mating surface and adjacent thereto. In this case, the upper and lower mating surfaces approach each other, while the upper and lower mating surfaces get distanced from the longitudinal axis, or the upper and lower mating surfaces get distanced while the upper and lower mating surfaces get distanced from the longitudinal axis.EFFECT: invention allows to reduce labour hours and improve repair reliability.15 cl, 6 dwg

Flow control valve // 2637074
FIELD: machine engineering.SUBSTANCE: invention relates to the flow control valve (1) for liquid heating and cooling installations, consisting of housing (2) having an inlet (3) and an outlet (4) and a connecting pipe (13) located between them wherein a pressure control device (14) is inserted which supports constant pressure differential between pressure ranges in front of and behind the flow control unit (8) located in the connecting pipe, as well as a spindle (7) having a control element protruding from the housing (2) and the first throttle element (9) located in the housing (2) which affects the flow control unit or its parts. This flow control unit (8) consists of the first throttle device which is formed from the first throttle element (9) fixed on the spindle (7) and a seat (10), and the second throttle device which is formed from the second throttle element (11) mounted on the spindle (7) with the possibility of longitudinal relocation on it and a seat. The second throttle element (11) is movable in the direction of the first throttle element (9).EFFECT: valve has a simpler design and takes up less space.29 cl, 11 dwg

Technological process control system, peripheral device for use in it (versions) and method of actions planning // 2637060
FIELD: information technology.SUBSTANCE: peripheral device for use in the technological process control system contains a processor; memory; a function block for initializing the planned actions, and a planning module. Processor receives the inputted time and action from the host device connected via data channels to the peripheral device. The entered time and action indicates the scheduled time for the scheduled action or sequence of actions to take place. At the scheduled time and without additional data transfer from the main device, the planned action or sequence of actions are automatically performed. An initialization state is generated that is transmitted to host device and an initialization state that is stored in local memory of peripheral device. The initialization state indicates the execution of action or sequence of actions initializing process.EFFECT: data exchange time is shortened.28 cl, 4 dwg

Collection of data on emissions with test stamp for process control devices // 2637049
FIELD: information technology.SUBSTANCE: method of the process control device monitoring, implemented in the monitoring system of process control device, includes measurement of operating state parameters of the process control device. Relationship of time stamp to the operating state parameters of process control device is implemented in response to the signal based on measurements of possible operating states. Signal indicates an uncontrolled release into the surrounding atmosphere. Time stamp and instructions on monitoring operational states are transmitted. Valve assembly of process control contains a valve for controlling the process; valve position sensor and monitoring system. Valve monitoring system contains a processor, a non-volatile memory storage device and a communication interface for transmitting data from the valve monitoring system.EFFECT: increasing the accuracy of emission calculation.24 cl, 5 dwg

Axial control valve "igr" // 2636952
FIELD: machine engineering.SUBSTANCE: axial control valve "IGR" comprises a housing in which eight throttling elements equispaced on a circle of throughway opening are arranged, having in the cross section perpendicular to the axis of the throughway opening a shape of an isosceles triangle with a 90 vertex facing the axis of the throughway opening, four of which are stationary, and the other four are movable and located between them with the possibility of moving in the direction of the axis of the throughway opening and the amount of movement is equal to the triangle cathetus of the stationary throttling element. The stationary throttling elements have a streamlined shape in the direction of the axis of the throughway opening with flat contact surfaces in the same direction intersecting in a line parallel to the axis of the throughway opening, and the movable throttling elements have a streamlined shape in the direction of the axis of the throughway opening and flat parallel surfaces in the same direction with width of not less than flat contact surfaces of the stationary throttling elements and are equipped with gear sectors set eccentrically relative to the streamlined surfaces. The maximum amount of eccentricity does not exceed the triangle's cathetus.EFFECT: increased reliability of the valve operation.4 cl, 5 dwg

Valve stem, valve stem/valve seat assembly and valve // 2636251
FIELD: machine engineering.SUBSTANCE: valve contains a valve body that limits a pressure chamber; a valve seat attached to the valve body; and a valve stem slidably located in the valve seat. The valve stem includes a first portion that is spaced from the inner surface of the valve seat thereby forming a first fluid channel, and a second portion that passes axially from one end of the first portion and is in directional engagement with the valve seat inner surface thereby forming a second fluid channel. In this case, the circulation zone of the first fluid channel is smaller than the circulation zone of the second fluid channel.EFFECT: decreased icing probability of the valve seat inlet part, simplified valve guide design.9 cl, 8 dwg

Controlled shutoff valve // 2636187
FIELD: oil and gas industry.SUBSTANCE: invention relates to downhole valve devices, namely, controlled valves which are used for shutting off a flow of well product in case of disturbance of set operation mode, and for shutting off the well bore when performing overhaul or temporary stopping of production. The proposed shutoff valve controlled by changes of pressure drop above and under it comprises a body with a sleeve gate including through and blind branch pipes provided with through holes on side walls, a check valve opened from the bottom by pressure at upper open end of the blind branch pipe, and a multi-stroke cam mechanism, one link of which is a pin fastened to the through branch pipe, and the second one is conjugated with the blind branch pipe of the cylindrical cam which is made in the form of sequence of communicating slots closed over cam circumference with alternating vertical and inclined sections (j-slot mechanism). The configuration of cam slots defines the series of pressures and pressure drops above the valve required to open it. Due to this sequence is unknown by authorised persons, the proposed cutoff valve prevents unauthorised withdrawal of formation fluid from the well. The cam can be a part of the blind pipe side surface or a separate part. A piston with a scraper can be connected to the cam from the bottom.EFFECT: increased efficiency of controlled shutoff valve.5 cl, 10 dwg

Device for detection of leakages in fluid regulator // 2635818
FIELD: machine engineering.SUBSTANCE: device for detection of leakages in fluid regulators is proposed. The device for detection of leakages in a fluid regulator contains: a plurality of channels, where one channel is designed to take the inject pressure, the other channel is adapted to set off the actuator, and one more channel is connected to the purge port of the cover of the fluid regulator with the possibility of interconnection; the bellows located between the through hole of the fluid regulator and the purge port, substantially preventing the process fluid from flowing into the purge port; a pressure sensor in the purge port; and a processor for comparing the indicated pressure value with the set pressure value or preliminarily measured pressure value for identifying if the pressure value overruns the specified limit.EFFECT: possibility of improving safety of bellows leakage monitoring by identifying the changes of the pressure in the purge port.10 cl, 3 dwg
 
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