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WO/2018/193774A1 |
An annular valve in which a sealing surface shape of a valve body is optimized, whereby gas pressure loss in the periphery of the sealing surface is minimized and the service life of the valve is extended, wherein the annular valve compr...
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WO/2018/190491A1 |
The present invention relates to a dust suctioning air mat provided with an air inflow valve, wherein dust removal efficiency can be maximized by controlling the inflow amount of air from the outside according to the weight with which an...
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WO/2018/190454A1 |
The present invention provides a cage valve device for enabling regulation of air by inducing the same to be smoothly suctioned into or discharged from a cage, which is an experimental animal rearing device. The cage valve device of the ...
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WO/2018/189313A1 |
The invention relates to a valve (24) for connecting a urinal bowl (20) to a drain (26) as an odor trap, comprising a pipe (42), connecting the urinal bowl (20) to the drain (26), having an inner shell surface (62) and a domed sealing me...
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WO/2018/184184A1 |
A valve device is disclosed. The valve device comprises a valve component (200) and a membrane component(300). The valve component (200) comprises a bottom cover (210) with one or more first apertures (211); a top cover (220) with one or...
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WO/2018/186541A1 |
The present invention relates to a sanitary toilet with an odor removing function which includes: a toilet cover; a seat; a toilet body; a water tank; a toilet lever; a weir; and a sewage pipe. The sanitary toilet with an odor removal fu...
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WO/2018/187066A1 |
A spring includes a spring member including a Ni-base, Co-base or Ni-Co base alloy, the spring member having an outer surface, and a coating disposed on the outer surface of the spring member, wherein the coating includes a metal.
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WO/2018/179651A1 |
This reed valve is provided with: a body (24) provided with a valve hole (30) through which a fluid circulates; and a reed-like valve body (23) that opens/closes the valve hole, wherein a beam (24c) extending through the valve hole (30) ...
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WO/2018/178481A1 |
The invention relates to a valve comprising a tube (8) for the inlet and/or outlet of fluid, provided with a flow-regulating element (9), and a seat (10) for the inlet and/or outlet tube (8), said seat (10) including a surface (10b) desi...
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WO/2018/180042A1 |
The present invention addresses the problem of providing a load control device with which, in a vehicle which has been equipped with by-wire technology, even when a driver steps on an operation pedal, it is possible to feel a reaction fr...
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WO/2018/177794A1 |
A valve arrangement (60) is for a patient interface device (10) having a frame portion (16). The valve arrangement includes a valve member (36) having a coupling portion (44) and a blocking portion (46) extending from the coupling portio...
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WO/2018/183804A1 |
A vent assembly has a housing defining a cavity, a first end, a second end, and a coupling structure towards the second end. A mounting surface is positioned between the first end and the second end within the cavity and defines a valve ...
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WO/2018/176736A1 |
Disclosed is an automatic back-pressure valve for use in a supercritical fluid chromatographic system, comprising: a spring support (1); an ejector rod spring (2); an ejector rod (3); a piston rod (4); a guide band (5); a cylinder body (...
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WO/2018/181196A1 |
A duckbill valve (10) (medical valve) has a hollow portion (12) on the inside thereof and is provided with a pair of inclined portions (14). A distal end portion (25) of the pair of inclined portions (14) includes a distal end opening an...
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WO/2018/172038A1 |
The invention relates to a valve assembly (22) for a fuel injection system (10), comprising a first valve unit (42) having a first flow cross section (Q1) and a second valve unit (44) having a second flow cross section (Q2), wherein the ...
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WO/2018/166041A1 |
Disclosed is a pressure relief type one-way valve device, inside a valve body (10) thereof being a first port (11) and a second port (12) connected to each other, and a channel between the two ports being a pressurized channel (13). A pr...
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WO/2018/169904A1 |
The disclosure relates to a slow-release biodegradable composite pesticide plug that can be used for trunk injection delivery of pesticides to protect woody plants such as trees (e.g., fruit trees) against pests. The composite pesticide ...
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WO/2018/170500A1 |
A testable back pressure valve for controlling fluid flow through a bore of a component installed in a well bore is disclosed. The back pressure valve includes a valve body which is configured to be secured in the bore, a flow bore which...
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WO/2018/169075A1 |
Provided is an aeration valve: which has a simple configuration and thus can be installed substantially in the same space as an aeration pipe without requiring to be increased in the pipe diameter direction; which, at atmospheric pressur...
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WO/2018/166783A1 |
The invention relates to a valve (1) comprising a valve bearing (5) in a valve housing (3), and a valve body (4) with a guiding element (8) that is located in an opening (7) in the valve bearing; the valve body faces the discharge end of...
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WO/2018/165993A1 |
Disclosed is a pressure relief type one-way valve, inside a valve body (10) thereof being a first port (11) and a second port (12) connected to each other, and a channel between the first port (11) and the second port (12) being a pressu...
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WO/2018/157193A1 |
A check valve (18) may be incorporated in an inner core barrel assembly (10). The check valve (18) has a valve body (20) defining a fluid flow path FP and provided with a valve seat (24). A valve member (22) is located in the valve body ...
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WO/2018/158616A1 |
The invention relates to a valve for the redirection and reverse control of flows with a sub-valve for minimum-flow control of liquid fluids for hydraulic and home networks with seven effects, the valve being formed by: a solid prismatic...
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WO/2018/156748A1 |
A method and apparatus for use in controlling a dispensing rate of medication or other substance via a syringe, including, without limitation, into a patient, intravenous line port or heparin lock. A fluid flow rate control apparatus has...
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WO/2018/156974A1 |
Apparatuses, methods and systems for dispensing liquids and fluids at specified flow rates are disclosed. In many embodiments, a pump is not required. Some embodiments are configured to provide constant flow rates, and other embodiments ...
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WO/2018/148843A1 |
A carbonation device comprising a normally closed outlet end that is opened upon coupling with a container and cap assembly. The container and cap assembly also comprises a normally closed aperture that prevents the escape of carbon diox...
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WO/2018/151695A1 |
The inventions characterise two variants of a phase-separation storage tank, a coupling non-return drain valve, and a reducing drain coupling. The installation of said elements in a water supply system makes it possible to drain water au...
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WO/2018/147860A1 |
A pressure-activated device is inserted in a string for insertion into a borehole. The pressure-activated device has an indexing mechanism. The pressure-activated device has a piloted check valve that prevents the indexing mechanism from...
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WO/2018/140998A1 |
A valve arrangement (10) for a suction means, the valve arrangement (10) including: a valve inlet (14); a valve outlet (16); a one-way valve between the inlet (14) and the outlet (16), the one way valve including a elastomeric valve memb...
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WO/2018/142125A1 |
The present disclosure relates to a valve assembly (40) for controlling flow of a fluid in a conduit (C). The valve assembly (40) includes a valve mounting member (4) and a valve member (20) movably mounted to the valve mounting member (...
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WO/2018/111313A9 |
Two embodiments of a normally closed asymmetric tapered fitting valve are disclosed. Each tapered fitting valve comprises a single molded incompressible, but supple part and a skeletal support whereby the tapered fitting valve is opened ...
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WO/2018/142005A2 |
Check valve for a wave energy harvesting device, which allows the passage of air in a single direction and comprises a bonnet (2) articulated to a support (7), the bonnet (2) being configured to close against a valve seat (3) blocking th...
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WO/2018/138419A1 |
The invention relates to a connector with a differential pressure valve (100) for an underwater fluid-transport pipe, comprising a valve body (102) inside which an inner chamber (106) is arranged, opening on one side towards the pipe and...
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WO/2018/140601A1 |
Check valves and methods for forming check valves according to exemplary embodiments of the present invention may include a hollow body. The hollow body may include an inlet end and an outlet end, the inlet end having a first connector a...
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WO/2018/136926A1 |
A mini-hopper for an agricultural row unit that has a fill tube supplying material to a hopper. A backflow preventer is disposed in the fill tube or in a line to the inlet to prevent flow of material from the mini-hopper through the fill...
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WO/2018/136410A1 |
Apparatuses and methods related to a high pressure fluid processing device having a dual check valve setup that can be quickly and easily maintained with replacement parts are disclosed herein. In a general example embodiment, a high pre...
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WO/2018/132758A1 |
The invention is directed to methods and devices to facilitate positioning of a catheter into a vessel and selectively controlling flow of fluids through the catheter until desired using one or more valves.
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WO/2018/128601A1 |
This invention relates to a hydraulic tensioner comprising a tensioner body, a hollow piston, a hydraulic pressure chamber, a piston spring, and a check valve assembly. The check valve assembly includes a ball, a spring, and a retainer t...
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WO/2018/122925A1 |
A tire state detection device provided with a detection unit for detecting the state of a tire, and a case in which the detection unit is accommodated, wherein: the case is provided with an accommodation part in which the detection unit ...
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WO/2018/122924A1 |
Provided is a tire condition detecting apparatus comprising: a case; a detection unit housed in the case and detecting the condition of tires; a mounting part provided in the case; an insertion hole provided in the mounting part and conf...
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WO/2018/124727A1 |
A piston pump comprises: a sleeve housing having a discharge hole and having a bore formed therein; a piston having an inlet flow path for introducing oil into the bore and inserted into the bore so as to reciprocate; an inlet flow valve...
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WO/2018/118031A1 |
A filter assembled in front of oil inlet hole of a pressure relief valve prevents contamination of the pressure relief valve. A pressure relief valve and filter assembly for a tensioner includes a pressure relief valve comprising a hollo...
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WO/2018/112614A1 |
A mechanically actuated traveling valve for use in fluid pumping equipment is provided. More particularly, a mechanically actuated traveling plug valve having a valve seat and a valve plug is provided for use in subsurface positive displ...
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WO/2018/116630A1 |
The present invention discloses a gas-permeable member comprising: a water-proof and dust-proof gas-permeable membrane which, while being affixed to an opening, allows gas flowing through the opening to permeate therethrough; and a valve...
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WO/2018/104106A1 |
The present invention relates to a cooling system valve (24) for an internal combustion engine cooling system (12), the internal combustion engine cooling system (12) comprising a radiator (14) and a coolant passage (16) adapted to cool ...
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WO/2018/102789A1 |
Methods, systems, and devices are provided for controlling fluid flow in a pressure sensing system. A bi-directional valve can include a first capillary that can couple to a process fluid in a process fluid channel, and a second capillar...
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WO/2018/101780A2 |
The present invention relates to an electronic expansion valve also useable as a check valve and a cooling/heating system. According to an example, proposed is an electronic expansion valve also useable as a check valve, comprising: a bo...
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WO/2018/098285A1 |
The present invention allows for a combination valve in a hydronic HVAC system that functions as an isolation valve; a check valve; and as a device for measuring fluid parameters, such as flow rate, pressure, and/or temperature, and also...
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WO/2018/087085A1 |
A check valve (10) for a hydraulic cylinder comprises a body (11), which extends along a longitudinal axis (H-H) and is provided with at least one first opening (12A) and at least one second opening (12B) that allow the passage of a flui...
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WO/2018/088231A1 |
The muffler 1 comprises: an expansion part 20 having a discharge port 22 and defining an expansion chamber 21 therein; an acoustic element having a finite-length guide tube 10 defining a guide chamber 11 therein; a connection part 30 pro...
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