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WO/2021/103464A1 |
Disclosed is an anti-backflow faucet. The anti-backflow faucet comprises a pipe body (10), wherein the pipe body (10) comprises a main vertical pipe (11) which is vertically arranged; a horizontal pipe (12) is provided at the right end o...
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WO/2021/104824A1 |
The invention relates to a wiper device (10a; 10b) comprising at least one fluid connection element (20a; 20b) and comprising at least one fluid supply unit (16a; 16b) which is provided for at least sections of fluid transport along a wi...
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WO/2021/106892A1 |
A check valve section (70) has a valve seat hole part (712) into which a working oil flows, a valve seat (713) formed in the periphery of the valve seat hole part (712), a lateral hole part (75) formed so that an axis (Ax2) thereof inter...
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WO/2021/106893A1 |
An oil passage hole portion (61) internally forms a portion of an oil feed passage (101). A check valve portion (70) has a valve seat portion (71), which is a member that is press fitted into the oil passage hole portion (61), and allows...
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WO/2021/106890A1 |
An oil passage hole (61) is formed in a cylindrical shape, and forms a part of a supply oil passage (101) on the inside. A recessed hole (62) connects to the outside, in a radial direction, of the oil passage hole (61), and forms a part ...
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WO/2021/094690A1 |
Piston valve comprising a body (2), a valve seat (14), a shut-off member (4) in the form of a piston, and a return spring (5). The body (3) comprises a casing (3) provided with at least one pressurized-fluid outlet orifice (10), and an i...
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WO/2021/094112A1 |
The present invention relates to an internal combustion engine (10) comprising a primary air system (1) for providing fresh air, and a secondary air system (2) which is designed to divert secondary air from the primary air system (1) and...
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WO/2021/096384A1 |
The invention relates to delivery systems for air and refrigeration compressors, as well as for vacuum pumps and heat pumps (compressors, inter alia, of the rotary piston and piston type). A delivery system for a rotary piston compressor...
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WO/2021/096646A1 |
Welded check valves include a poppet assembly, a spring, and a disc that contacts the spring. The disc may be held at a position away from a weld when forming the welded check valve. Embodiments may include retention features configured ...
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WO/2021/089940A1 |
The invention relates to a variable-length connecting rod (10) comprising: - A connecting rod head (102), designed to establish a pivot connection with a crankpin of a crankshaft, - A hydraulic circuit (104) for controlling the length of...
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WO/2021/089645A1 |
A one-way valve (2) is disclosed which comprises a valve body (4) having a flow inlet (10) and a flow outlet (40) and a bore extending through the valve body between the flow inlet and the flow outlet, and a valve member. The bore define...
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WO/2021/085735A1 |
The present invention relates to a valve opening/closing device for temperature correction, a dual reduction ratio reducer, and a valve opening/closing device for dual reduction ratio temperature correction, each having a dual material s...
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WO/2021/077626A1 |
A valve core and a nitrogen spring. The valve core comprises a core body (1), a core rod (2), an elastic member (3) and a limiting stopper (4); the core body (1) is provided with a mounting through-hole (10); the core rod (2) has a first...
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WO/2021/076899A1 |
A downhole tool suitable for use in a wellbore, the tool having a double cone having a dual cone outer surface. The downhole tool includes a carrier ring disposed around one end of the double cone, and a slip disposed around or proximate...
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WO/2021/073225A1 |
Disclosed is an air valve for a direct-current variable-frequency compressor unit, the air valve comprising an air valve main body (1), an air cavity (2) is provided in one side of the air valve main body (1), a first main air hole (3) i...
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WO/2021/069314A1 |
The invention relates to a valve device (1), in particular for controlling a gas flow in a fuel cell system, said valve device comprising a valve housing (100), in which valve housing (100) a valve element (2) which can move along a long...
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WO/2021/071173A1 |
A fluid-controlling valve having a decompression function of the present invention comprises: a valve body mounted to a high-pressure container and having a plurality of flow paths formed therein, through which a source gas passes; a man...
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WO/2021/071703A1 |
A check valve including a first housing having a first seat; a dart disposed at least partially within the first housing and interactive with the seat to selectively create a fluid seal; a second housing disposed at least partially about...
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WO/2021/071829A1 |
A work tip for an ultrasonic surgical hand piece has a solid knife with a sharp distal edge. A first fluid tube located on one side of the knife and has open ends to receive or discharge fluid. A second fluid tube is located on the other...
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WO/2021/069803A1 |
The present invention relates to a valve (6) for a pouch (1) for collecting a fluid flow running along a surgical drape. The valve (6) comprises a body (5). The body is configured to have a path (13) for the fluid flow through the body (...
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WO/2021/066316A1 |
Provided are an additive supply unit for supplying a received additive to a washing tank, and a washing machine comprising same. An additive supply unit, according to one aspect of the present invention, comprises: a cartridge that accom...
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WO/2021/056037A1 |
The invention relates to a valve (100) comprising a housing (1), an inlet (2), an outlet (5), and a valve piston (500) that can move in the housing (3) and comprises an actuation element (16) and a sealing element (4), which can be broug...
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WO/2021/059470A1 |
[Problem] To achieve weight savings. [Solution] This valve core 10 has a core body 11 that is to be screwed into a core installation hole 52 and comprises two components: a support base 12 that has a male screw part 12N that screws into ...
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WO/2021/054148A1 |
A check valve (10) includes a cover member (40) constituted by flexible cover member side resin sheets (42) and including an accommodation space (41), and a main body member (50) constituted by flexible main body member side resin sheets...
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WO/2021/055730A1 |
A control valve assembly includes a valve body defining an inlet, an outlet and a fluid flow pathway therebetween. A ball valve is positioned within the fluid flow pathway and includes a rotatable ball having an inlet opening, an outlet ...
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WO/2021/046577A1 |
The present invention generally relates to a double or triple lumen, indwelling, urinary catheter having a bladder-protecting tip and a fitted check-valve. The catheter is useful for catheterizing patients whose bladders are in need ther...
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WO/2021/044176A1 |
A checkbag valve system installed at the bottom of the drainage systems used in sea water, oil tanks, petroleum derivatives and the like to discharge water in water bags which is used for weigh generation to test the lifting capacities o...
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WO/2021/037930A1 |
The invention relates to a valve assembly, consisting of a cartridge-shaped valve housing (8) having a longitudinal channel (2), which connects a valve inlet (7) to a valve outlet (10) and in which a closing body (3) loaded by means of a...
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WO/2021/039080A1 |
One or more surfaces (80a, 80b) among a first surface (80b)of a valve body (80) and a second surface (80a) thereof include: ring-shaped first non-contact regions (A1, A4) which do not contact the corresponding valve seats (67, 72) and ar...
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WO/2021/037249A1 |
A hydraulic control one-way valve, comprising a threaded sleeve (1), a valve rod (2), a valve seat (4), a valve element (3), a fastening spring (6), and a control piston (7), wherein the threaded sleeve (1) is provided with a first conta...
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WO/2021/035737A1 |
Provided are a water tank, a valve body assembly, a spraying system and an unmanned aerial vehicle. The valve body assembly comprises a valve body (10) and a valve base (20); relative states of the valve body (10) and the valve base (20)...
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WO/2021/032341A1 |
A diaphragm pump for a bioprocess system comprises a pump head (1; 101; 201; 301) comprising: a common inlet (3); a common outlet (5); a plurality of pump cavities (7) each including at least one cooperating pair of one-way valves, the a...
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WO/2021/035199A1 |
A pneumatic trip valve that may include a valve structure, a switch plate air path and an internal check valve. In various aspects, the pneumatic trip valve may be connected to a valve positioner, an actuator, or a combination thereof to...
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WO/2021/028687A1 |
A vacuum system non-return valve is disclosed. The valve has a baffle for extending across a flow path in the vacuum system, the baffle comprising an aperture (16), a perimeter of the aperture comprising a valve seat. The valve also comp...
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WO/2021/023828A1 |
An Automatic pressure valve for the inflation - deflation of pneumatic arrangements comprises a main body (102) with an inlet connector (103) communicated with a pressurized air supply network an outlet connector connected to a pneumatic...
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WO/2021/022824A1 |
A valve disc limiting shaft assembly, and a valve disc structure and a valve comprising same. The valve disc limiting shaft assembly comprises: a valve disc limiting shaft (9); at least one support seat (4), said support seat (4) having ...
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WO/2021/017917A1 |
A multifunctional angle valve, comprising a valve body (1) having a lower end being a water inlet end (11) and a side portion provided with a water outlet end (12). The valve body (1) is provided therein with a water passing hole (13) fo...
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WO/2021/018341A1 |
The invention relates to a valve (20) with a valve housing (2), at least one piston (3), and at least one spring (5), having the following features: • the piston (3) and the valve housing (2) are coaxial to each other on an imaginary v...
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WO/2021/016357A2 |
A valve includes a seat, a ball, a stem, and a spring. The ball is separate from the stem. In a closed position, the ball seals against the seat. The spring biases the steam against the ball and the ball against the seat in the closed po...
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WO/2021/016184A1 |
A flow arrangement (122) for a pressure relief valve assembly (110) can include a bypass flow path (124) extending from a pressure source (118) to a dome (114) of a relief valve (116). The bypass flow path (124) can include a valve (126)...
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WO/2021/014444A1 |
A resonant membrane micro-pump 100 for providing fluid pressure is disclosed. The pump 100 comprises: (a) a pump chamber 20; (b) a resonantly driven membrane 30, the membrane is configured to modulate a pressure of a fluid accommodated i...
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WO/2021/012061A1 |
The present invention relates to a fish pump comprising a main tank with a feed entry that opens and closes by means of an actuated retention valve. The retention valve, also known as a non-return valve or check valve, comprises an actua...
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WO/2021/012806A1 |
An inflation apparatus, comprising an inflation assembly and an inflation device. The inflation assembly comprises an inflation valve and a connecting pipe (60). The inflation valve comprises a valve body (10), a sealing piece (30), and ...
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WO/2021/016450A1 |
An embodiment includes a valve comprising: a valve channel that couples a valve input to a valve output; a one-way valve included within the channel; a filter; a first pressure relief port, wherein the first pressure relief port is confi...
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WO/2021/010828A1 |
A fluid flow regulator (10) comprising: a valve chamber (12) having a fluid inlet (14a) and a fluid outlet (14b); and a valve member (16) inside the valve chamber (12), the valve member (16) moveable inside the valve chamber (12); wherei...
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WO/2021/011191A1 |
A coupler that separates a unitary valve stem into two separate but coupled sections to isolates the thrust load from the torque load.
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WO/2021/010829A1 |
The present application relates to a check valve (1) comprising a housing (2) with at least one inlet (3) and at least one outlet (4), the housing (2) defining an inflow chamber (5) connected to the at least one inlet (3) and an outflow ...
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WO/2021/007456A1 |
Disclosed herein are components, systems, and methods to improve performance and maintenance of high-pressure fluid systems, such as waterjet cutting systems. Specifically, embodiments of a valve cartridge are disclosed that include a pr...
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WO/2021/001148A1 |
A valve plate (1) for installation in a reciprocating compressor, which comprises a support region (8) and a valve region (2a, 2b), wherein the valve region (2a, 2b) has a movable valve lamella (5) having a valve seat, by means of which ...
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WO/2021/002026A1 |
[Problem] To reduce the number of components. [Solution] A valve element stopper 40 having a base section 41, which comprises a wire material 40M formed in a C-shape and is fitted into an annular groove part 51 inside a fluid flow passag...
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