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WO/2022/160925A1 |
A control method for a servo valve, and a servo valve mechanism. The control method for a servo valve comprises: using a drive motor (1) to drive a cam (4) to rotate, using the cam (4) to drive a valve core plug (3) of a servo valve to l...
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WO/2022/161426A1 |
An electric valve, comprising a valve body. The valve body comprises a valve seat part and a valve core rotor assembly. The valve core rotor assembly comprises a valve shaft assembly, a valve core, a first/second elastic member, and an e...
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WO/2022/160161A1 |
A valve seat (100') includes a first end (110a), a second end (110b) positioned opposite from the first end, and a body (150) extending from the first end to the second end, the body defining an inner surface (152) and an outer surface (...
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WO/2022/163946A1 |
The present invention relates to a safety valve having an enhanced backflow prevention function, wherein the valve can accurately and reliably prevent damage which may be caused to a flow control device when high-temperature and high-pre...
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WO/2022/160812A1 |
A secondary-injection-molded faucet housing, comprising a valve body (1), wherein a first water output pipe (4) is fixedly connected to the valve body (1); a second water output pipe (5) is fixedly connected to the first water output pip...
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WO/2022/159946A1 |
A needle for a choke valve assembly includes a base portion formed from a first non-superhard material and a tip portion formed from a superhard material. The needle also includes a brazed connection coupling the tip portion to the base ...
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WO/2022/159759A1 |
A pressure control system configured to respond to high-pressure conditions in a fluid conduit is disclosed. The system generally includes first and second flow restrictors positionable inline on a fluid conduit and configured to block f...
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WO/2022/152472A1 |
The invention relates to a valve cage for guiding an actuator, such as a piston, in a globe valve for adjusting a process fluid flow, more particularly a water flow, in a process plant, such as a plant that processes a foodstuff, for exa...
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WO/2022/152179A1 |
An electronic expansion valve, comprising: a housing (1), the housing (1) comprising a valve carrier (12) and a sleeve (13), and the sleeve (13) being sleeved on the valve carrier (12) to form an accommodating cavity (11); and a nut asse...
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WO/2022/151818A1 |
The present invention relates to a high-precision and large-pressure-reduction-ratio automatic pressure-regulating gas pressure-stabilizing and pressure-reducing combined valve. A two-stage pressure-reducing structure is used, and the hi...
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WO/2022/155232A1 |
A vent valve opens to provide a fluid path from a regulated pressure port to a vent port, a supply valve opens to provide a fluid path from the regulated pressure port to a supply pressure port. A control piston has a linear cam profile ...
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WO/2022/151831A1 |
An electromagnetic control device (40) and a gas valve having same. The electromagnetic control device (40) comprises a closure (42), a sleeve (410), and first and second adjustment components (43, 44), the closure (42) is partially loca...
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WO/2022/141110A1 |
A valve assembly (10-2), a cover assembly, and a cooking device. The valve assembly (10-2) comprises: a valve body (100), the valve body (100) being provided with an air extraction port (111) and a ventilation port (112), the valve body ...
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WO/2022/142607A1 |
An electronic expansion valve and an air conditioning device. The electronic expansion valve comprises a rotor (4), a screw rod (6), a first connecting plate (51), and a second connecting plate (52), the first connecting plate (51) is fi...
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WO/2022/146538A1 |
A subsurface safety valve assembly that includes a valve housing comprising a valve seat with a circumference and a seat seal surface. The valve assembly also includes a flapper rotatably connected to the valve housing and comprising a f...
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WO/2022/142502A1 |
Provided is an anti-collision self-closing valve, comprising a valve body (1), a threaded body (2), a valve core assembly having a bi-directional sealing valve (3), a restoring spring (4), a connection nut (6), and a connection core (7)....
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WO/2022/144690A1 |
Flow regulator comprising a housing (10) having a first chamber (20), a second chamber (30) and a valve seat (40) which is arranged between these chambers, a valve head (50) which is arranged in the first chamber and which has at least a...
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WO/2022/143734A1 |
An electric valve, comprising a lead screw (23) and a valve element assembly (24), wherein the lead screw (23) has an external thread section, the valve element assembly (24) has an internal thread section, the valve element assembly (24...
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WO/2022/141885A1 |
A high-pressure-resistant air inlet valve having pressure regulating and safety air release functions, of which the outer side is provided with an air inlet valve housing (7), the bottom of the air inlet valve housing (7) being provided ...
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WO/2022/135076A1 |
The present invention relates to an electronic expansion valve. In the present invention, a valve component and a main electric control board are respectively located on different sides of a valve body, such that a main control cavity of...
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WO/2022/140106A1 |
A butterfly check valve is disclosed, which includes a housing defining an interior chamber having an inlet and an outlet; a control valve configured to control a flow between the inlet and the outlet, the control valve including a valve...
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WO/2022/133900A1 |
A high-pressure large-diameter two-way hard-sealing butterfly valve, relating to the field of valves, and comprising a valve body (1), a valve stem (2), a disc (3), packing (4), a packing gland (5), and a valve seat (6). The disc (3) is ...
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WO/2022/135021A1 |
The present application provides a valve core assembly and an electronic expansion valve having same. The valve core assembly comprises: a valve head; an inwardly protruding flange portion being provided on an inner wall face of the valv...
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WO/2022/127350A1 |
Provided are a stop valve (100) and an air conditioning system having same. The stop valve (100) comprises a valve body (10), a valve core (20), and a valve cap (30); the valve cap (30) is disposed at the open end of the valve body (10),...
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WO/2022/127400A1 |
A stop valve (100) and an air conditioning system comprising the stop valve (100). The stop valve (100) comprises a valve body (10) and a valve core (20), wherein the valve body (10) has a first opening (11), a second opening (12) and a ...
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WO/2022/130436A1 |
A proportional angle seat fail-safe valve assembly (100) comprising a valve (1), a motor (2) and control means (4) of said valve assembly, said valve being of the normally closed type and fit to be operatively connected with said motor; ...
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WO/2022/129948A1 |
The present invention is a wireless electronic control device, primarily intended to be attached to the impulse valve of a Hydraulic Ram Pump ('HRP'), enabling remote automatic and manual management of the HRP. The Electronic Ram Pump Co...
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WO/2022/127265A1 |
A valve needle assembly, an electronic expansion valve and a refrigeration apparatus. The valve needle assembly comprises a valve needle sleeve (120), a valve rod (110), a valve needle (150), a buffer sliding block (140) and a buffer spr...
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WO/2022/127577A1 |
A Z-shaped liquid control valve without a diaphragm, a shaft, a bushing, or a spring, comprising a cover (1), a body (3), sealing ring grooves (4), sealing rings (5), a piston (6), an extension end surface (13) below the piston, and an i...
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WO/2022/127285A1 |
A nut (10), an electronic expansion valve (1000), a stopping structure (100) thereof, and a refrigeration device. The stopping structure (100) comprises a spring guide rail (20) and the nut (10). The nut (10) comprises: a pipe body (11),...
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WO/2022/127264A1 |
An electronic expansion valve and a refrigeration device. The electronic expansion valve comprises a valve seat (110), a nut (210), and a connecting piece (220). The valve seat (110) is provided with a valve cavity (101). One end of the ...
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WO/2022/124527A1 |
The present invention relates to a butterfly valve with a quintuple offset structure, the butterfly valve comprising: a valve body which has a flow path formed therein and is provided to connect neighboring pipes; a sheet coupled to the ...
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WO/2022/122057A1 |
Passive system with increased reliability for decay-heat removal from nuclear reactor comprising heat exchanger (11), chimney (12) formed by two-channel pipe, and flow-redirection device (2) with inner channel (21) equipped with valve se...
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WO/2022/121587A1 |
A valve needle assembly, and an electronic expansion valve having same. The valve needle assembly comprises: a valve sleeve (10), the valve sleeve (10) having a cavity, and the valve sleeve (10) having a first end and a second end arrang...
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WO/2022/116550A1 |
An electromagnetic valve having a hard sealing structure, comprising a valve body (1) in which a fluid channel and an accommodating cavity are provided, and a valve assembly mounted in the accommodating cavity. The fluid channel is commu...
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WO/2022/117659A1 |
A Coupling device (1) for connecting a drive shaft (31) of an actuator (3) to a driven shaft (51) of an exhaust-gas valve (5). The coupling device (1) defines a rotational axis (A) and comprises a torsionally rigid retainer (2) having an...
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WO/2022/110532A1 |
A valve, a multifunctional combination valve, and a CFLVV valve. A valve core accommodating cavity is provided in a valve body, and a first inflow channel, a second inflow channel, a first discharge port and a second discharge port in co...
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WO/2022/115352A1 |
A valve assembly includes a valve body defining a valve passage and a valve seat disposed within the valve body. The valve assembly also includes a valve actuator moveable between a closed position in which the valve actuator is sealed a...
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WO/2022/113447A1 |
Provided is a valve in which a connecting portion is less likely to break even when the valve is reduced in size or is required to be subjected to a high load and which is also easy to assemble. This valve has a valve unit and a drive un...
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WO/2022/112890A1 |
A multifunction valve for a high-pressure hydrogen supply system of a fuel cell vehicle system comprises a valve body (2) and a functional device (10,1010). The functional device (10,1010) comprises a stem (12,1012) and a sealing assembl...
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WO/2022/111252A1 |
A composite sealing gas valve. The composite sealing gas valve comprises a valve body (1), a valve element assembly, a pressure spring (4) and a valve cover (5). The valve body (1) comprises a valve element cavity (11), a valve element s...
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WO/2022/110533A1 |
A sealing structure of a valve body, a valve and a CFLVV valve. A sealing part positioned between a large valve core (5) and a top surface of an inner cavity of the valve body (1) is arranged in the inner cavity of the valve body; when a...
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WO/2022/110572A1 |
A self-sealing butterfly valve having an arc-shaped disc, comprising a butterfly valve body (1). A base plate assembly (2) is provided at the bottom end of the butterfly valve body (1); a self-sealing assembly (3) is provided at the midd...
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WO/2022/105388A1 |
A liquid outlet device for a reagent kit, comprising a spray pipe and a nozzle provided at the end portion of the spray pipe. The spray pipe comprises a spray pipe body (1-1), a spray hole (1-2) formed in the axial direction of the spray...
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WO/2022/105382A1 |
A sealing valve, comprising a sealing valve body (1) and a cylindrical valve hole (2) provided in the sealing valve body (1), wherein a bottom end of the valve hole (2) is provided with a frustum hole (3); the frustum hole (3) is arrange...
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WO/2022/109318A1 |
The disclosure relates to a butterfly valve having a valve opening defined through the valve body (30) and including a seat retainer (50) fastened to the valve body; a disc (20) with an optimized profile rotatably mounted within the valv...
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WO/2022/102808A1 |
Disclosed is an automatic remnant water drain valve. The automatic remnant water drain valve disclosed herein is characterized by comprising: a valve body (100) which has a flow path formed therein for allowing a fluid to flow, and has a...
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WO/2022/100569A1 |
An electric valve (100), comprising a screw rod (23), a valve core (24), a connecting seat (22), a bearing (27), and a sealing assembly (29). The screw rod (23) is in threaded connection with the valve core (24); the connecting seat (22)...
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WO/2022/100451A1 |
An electronic expansion valve, comprising: a frame body (10) provided with an accommodating cavity (20) and a mounting cavity (30); an induction magnetic ring (40) movably disposed in the accommodating cavity in the height direction of t...
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WO/2022/099879A1 |
A double-layer blade mechanical self-limiting fire damper comprises a damper body (1), a drive cylinder (16), and blades. A first, second, and third blade (2, 3, 4) are sequentially disposed on cross sections of a channel of the damper b...
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