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WO/2022/016917A1 |
A variable-flow-channel water-hammer-prevention air valve, comprising a valve body (2) having an air intake/exhaust port (204) in the top, wherein a ball valve seat (3) and a floating ball (4) are arranged below the air intake/exhaust po...
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WO/2022/014121A1 |
A fluid control device (10) comprises: a first flat plate (21); a frame body (22) that is disposed on the outside of an outer peripheral edge (210) of the first flat plate (21) with openings (241, 242) therebetween; a joining member (23)...
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WO/2022/012685A1 |
Disclosed are an anti-backflow premixing device and a fuel gas water heater, where the anti-backflow premixing device comprises: a casing body, a premixing cavity is provided in the casing body, and the premixing cavity comprises a gas o...
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WO/2022/011941A1 |
A semi-active rigid-flexible coupling type exoskeleton based on a single-loop bidirectional damping regulator, which relates to a boosting mechanism in the field of robots, and comprises: a waist assembly (1), leg assemblies (2) and a hy...
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WO/2022/008206A1 |
Valve devices for internal combustion engines, comprising: - an actuator (10); - a housing (26) which has an inlet (28) and an outlet (30); - a valve rod (44) which can be moved by means of the actuator (10); - a valve closing element (4...
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WO/2022/007694A1 |
The present invention relates to the field of grouting, and in particular to a grouting apparatus for a highly coagulative grouting material. The grouting apparatus comprises a grouting pipe, a connector and a self-sealing pipe head. One...
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WO/2022/010009A1 |
The present invention relates to a check valve for a vehicle fuel tank and, more specifically, the objective of the present invention is to allow a flap to close a flow path formed in a cylindrical body while uniformly receiving the elas...
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WO/2022/002966A1 |
The invention relates to a check valve (1) comprising a first housing part (2), a second housing part (3) and an insert (4), wherein a spring element (5) and a valve body (6) are formed from the insert (4), wherein a valve seat (7) is fo...
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WO/2022/002302A1 |
The invention relates to a valve device (1) having a valve (2) sitting in a valve socket (30), wherein: - the valve (2) has a valve axis (8) running lengthwise in two opposite axial directions, a valve housing (4) running coaxially with ...
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WO/2022/002416A1 |
The invention relates to a flap-type check valve for gaseous and/or liquid media for medical and wastewater technology, having at least three triangular flaps provided in a circular arrangement around the edges of a polygonal bore of a v...
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WO/2022/002305A1 |
The invention relates to a valve (1), at least comprising a valve housing (2) and a piston (3), wherein the piston (3) is seated in the valve housing (2) and can be displaced from a first switching mode of the valve (1) into a second swi...
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WO/2022/000763A1 |
A double-chamber paddle board for surfing comprises a main body (5), a first air chamber (1), a second air chamber (2), and an air valve (4). The air valve (4) comprises a conversion element (41), a first fluid channel, and a second flui...
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WO/2021/259485A1 |
The invention relates to known exhaust gas recirculation apparatuses for internal combustion engines, having an exhaust gas return valve (10) with an actuator (20) and an exhaust gas return valve housing (14), in which a flow channel (34...
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WO/2021/251377A1 |
A branching tool (20) that serves as a check valve to be incorporated in a cleaner device comprises: a body (26) which is provided with an inflow passage (22) and a first outflow passage (24a); a seal member (30) which is configured to a...
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WO/2021/249110A1 |
A liquid accumulator (100) and a heat exchange system having the liquid accumulator. The liquid accumulator (100) comprises a barrel body (10) and a one-way valve (20), wherein the one-way valve (20) is arranged in the barrel body (10), ...
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WO/2021/248037A1 |
A dual shut-off valve including a valve body defining an interior cavity and a flow tube passing therethrough, an outer cylinder including a body portion defining an interior cavity and a through hole passing therethrough, the outer cyli...
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WO/2021/247938A1 |
In an aspect, an inflatable object includes an object body enclosing a chamber to receive air, and a valve mounted to the inflatable object body, including a valve body defining a passageway between the chamber and an ambient environment...
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WO/2021/244888A1 |
A bottle cap comprises a base part having an outer rim, an actuation lid attached to the base part with a pivot joint such as a ball joint and positioned within the outer rim and a fluid valve positioned within the outer rim. The fluid v...
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WO/2021/244169A1 |
Disclosed are a main control valve and a multi-tank control valve bank comprising same. The main control valve is provided with a water intake cavity (111), a water output cavity (112) and an ejector (20). A surface of the main control v...
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WO/2021/240494A1 |
A floating ball valve comprising: a housing having an internal cavity and first and second fluid flow ports through which fluid flows selectively in either direction from the first to the second or the second to the first fluid flow port...
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WO/2021/236360A1 |
An oil-spray tube assembly includes a tube having an outer circumferential surface, an inner circumferential surface defining a hollow center, a closed distal end, an open proximal end defining an annular seat, and an orifice extending b...
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WO/2021/234661A1 |
A fuel pump (1) for a direct-injection system and having: a main body (2); a pumping chamber (4) obtained in the main body (2); a delivery channel (6) connected to the pumping chamber (4); a delivery valve (8); and a pressure relief valv...
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WO/2021/235574A1 |
A hydraulic machine includes an actuator, a tank (40), a directional control valve disposed between the actuator and the tank (40), and an adjustable return check valve (60) disposed between the directional control valve and the tank. Th...
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WO/2021/235966A1 |
The invention relates to the field of power engineering and can be used in heating systems, in particular in water heaters or boilers, as well as in recovery systems operating on the combustion of associated gas. A gaseous medium check v...
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WO/2021/228712A1 |
The invention relates to a valve, in particular a servo valve, having a valve body (23), a main valve (5) and a backflow preventer (13), wherein the valve body (23) has a valve inlet (2) on the inflow side, a valve outlet (3) on the outf...
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WO/2021/228567A1 |
The invention relates to a valve (100), in particular a plate or non-return valve, for example for diaphragm pumps, comprising a valve chamber (14) which is delimited by a valve housing and in which at least one valve seat (4) is provide...
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WO/2021/223891A1 |
A fuel vapour switch valve and ventilation valve (10) for internal combustion engines (26) is known, comprising an actuator (28), a first connection (12) and a second connection (16), a valve body (62), which is coupled to an axially mov...
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WO/2021/223888A1 |
The invention relates to flow limiting elements (94) for a fuel vapor switching and ventilating valve (10) of an internal combustion engine (26), comprising a control body (100) that has a radially inner body (102), around which a fluid ...
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WO/2021/223890A1 |
Fuel vapour switch valves and ventilation valves (10) for internal combustion engines (26) are known, comprising an actuator (28), a first connection (12) and a second connection (16), a valve body (62), which is coupled to an axially mo...
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WO/2021/223889A1 |
Fuel vapor switch and ventilation valves (10) for internal combustion engines (26) are known, comprising an electromagnet (28), a first connection (12), a second connection (16), and a valve body (62) that is coupled to an armature (36) ...
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WO/2021/218050A1 |
A valve assembly and a compressor, the valve assembly (100, 200, 300) comprising: a valve plate (110) and a valve stop (120, 220), the valve stop (120, 220) comprising a retaining part (122, 222) and a limiting part (124, 224) configured...
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WO/2021/220888A1 |
Provided are a check valve and a brake system that enable cost reduction and optimal prevention of occurrence of contamination with dust. A check valve (50) is disposed in a flow path through which an operating fluid is passed. This chec...
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WO/2021/213020A1 |
Disclosed are a spray gun liquid storage cup and a spray gun liquid storage device using same. The spray gun liquid storage cup comprises a cup body (1); the cup body (1) is provided with a ventilation mechanism (3) which allows gas to p...
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WO/2021/216085A1 |
A valve device (20) includes male and female housings (22, 24) that together define a fluid through-passage (28). The male and female housings have, respectively, exterior and interior annular channels (22a, 24a). The male housing is rec...
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WO/2021/210967A1 |
A check valve is disclosed. A check valve according to an embodiment of the present invention has a plurality of valve parts, each of which has an inner fluid path selectively opened/closed by means of an opening/closing member, and the ...
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WO/2021/208545A1 |
The check valve provided in the present application comprises: a valve body (1), a valve core (2), a clamping seat (3) and a limiting structure (4). The valve body (1) comprises a valve cavity (11); the valve core (2) is movably provided...
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WO/2021/208429A1 |
The present disclosure provides a refrigerator, comprising a low-temperature storage chamber, a low-pressure storage unit located in the low-temperature storage chamber, a vacuum pump, and an anti-air-leakage unit. The anti-air-leakage u...
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WO/2021/208430A1 |
Provided is a refrigerator comprising a low-temperature storage compartment, a low-pressure storage unit positioned inside the low-temperature storage compartment, a vacuum pump, and an air leak prevention unit. The air leak prevention u...
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WO/2020/182921A9 |
The invention relates to a valve assembly for a diaphragm pump, the valve assembly having an inlet side and an outlet side. A first outlet channel (23) leads from an inlet opening (24) arranged on the inlet side to an outlet opening (25)...
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WO/2021/205413A1 |
A pillow (1) is provided comprising a rest portion (2) configured to allow the support of an object and including a first soft material (2a), a support portion (3) capable of supporting the rest portion (2) in such a way that the rest po...
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WO/2021/204494A1 |
The invention relates to a valve assembly with a valve body, which has a fluid passage designed as a fluid inlet and at least one fluid passage designed as a fluid outlet, wherein: a fluid chamber connecting the fluid inlet to the at lea...
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WO/2021/204319A1 |
The invention relates to a device for holding a stem of a hydraulic cylinder in position, comprising a hydraulic block having a primary check valve (22) and a secondary check valve (23) connected in series, the latter comprising a second...
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WO/2021/203926A1 |
A valve body assembly and a combined valve having same. The valve body assembly comprises: a housing (10), the housing (10) comprising a first channel and a second channel which are in communication with each other, and the inner diamete...
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WO/2021/195744A1 |
An in-line valve includes an in-line plunger having angled tooth cam surfaces mounted for non- rotational sliding along a conduit, and an in-line ported piston having angled tooth cam surfaces mounted to slide and rotate along the condui...
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WO/2021/199139A1 |
A check valve unit 1 comprises: a housing body 2 which includes a cylindrical valve body housing part 21, a valve seat 22 that is formed on one end of the valve body housing part 21 to protrude from the inner circumferential surface of t...
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WO/2021/191842A1 |
The present invention relates to an improved electrical compressor by-pass valve (1), comprising, a first valve body (2), a second valve body (3), a bobbin (4), a coil winding (5), an electrical terminal (6), a guiding pin (7), a compres...
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WO/2021/194818A1 |
A valve assembly includes a valve body having a flow bore extending along a valve body axis from a first end to a second end, wherein at least one of the first end or the second end includes an opening adapted to receive a fluid end, the...
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WO/2021/195123A1 |
A valve seat for a valve assembly for a high-pressure fluid pump is disclosed. The valve assembly includes a valve body, and a valve seat fabricated of a first material. The valve seat has a generally a tubular body having an annular col...
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WO/2021/190883A1 |
The present application relates to a device for dispensing a determined weight of a cosmetic product into a container from a reservoir, the device comprising at least one electromechanical member that is able to ensure the movement of an...
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WO/2021/191822A1 |
A check valve assembly for a recirculation flow path is provided. The check valve assembly includes a float ball between a lower valve housing and an upper valve housing. The lower valve housing and the upper valve housing interlock by i...
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