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Patent Searching and Data


Matches 1 - 50 out of 15,383

Document Document Title
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2018/111313A1
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 ...  
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 ...  
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 ...  
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...  
WO/2018/101780A3
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...  
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...  
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...  
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...  
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...  
WO/2018/088915A1
The purpose of the present invention is to cool the brakes of the landing gear of an aircraft. For this purpose, the air of the air-conditioning system of the aeroplane is used. Pre-conditioned air from the outside can be supplied to the...  
WO/2018/089135A1
A pressure relief assembly (100) includes a housing (102) including an air passage chamber (104) having a flap barrier (122) surrounding at least one airflow passage. A membrane flap is secured within the air passage chamber. The membran...  
WO/2018/088818A1
The present disclosure relates to a hydraulic/pneumatic check valve which can prevent a fluid or gas from coming into direct contact with a spring, so as to prevent flow resistance and turbulence from being formed and thus allow the flui...  
WO/2018/089614A1
A valve assembly includes a valve body with an interior cavity and one or more supply ports, a control port, and an exhaust port each fluidly connected to the interior cavity. An armature assembly is movable within the interior cavity fr...  
WO/2018/076275A1
Disclosed are an inflation valve cap, an inflation valve structure, and a tyre and a vehicle. The inflation valve cap comprises: a main body structure (1), a push rod structure, an elastic restoring member (4) and a push rod fixing base ...  
WO/2018/080239A1
A passage device is disclosed. The passage device according to the present invention comprises a passage operation portion provided in a housing so as to guide movement of content. The passage operation portion comprises: a transmitting ...  
WO/2018/077618A1
The present invention relates to an exhalation valve (10) for a ventilator apparatus for at least partial instrumental respiratory assistance of a patient, comprising a valve housing (14) with a flow passage (16) which extends along a pa...  
WO/2018/074028A1
A check valve (1) is provided with: a casing (10) in which a fluid inlet (11), a valve chamber (12), a valve seat section (13) and a fluid outlet (14) are formed; a valve body (20) disposed in the valve chamber (12); and a biasing sectio...  
WO/2018/070457A1
The cartridge 1 is provided with: a storage part 2 which has a gas inflow port for allowing a gas to flow in and a gas ejection port for ejecting the gas and which stores a volatile substance; a first check valve 3 connected to the gas i...  
WO/2018/065235A1
The invention relates to a throttle element (1) for a low-pressure circuit of a fuel injection system, in particular of a common rail injection system, comprising a body (2) having a bore (3) configured as an axial bore, into which a thr...  
WO/2018/058364A1
A contamination-preventing micro-resistance slow-closing check valve and an industrial drainage system are provided. The check valve comprises: a valve body (1), a valve disc (2), a stem (3), a piston cylinder, and a cushioning mechanism...  
WO/2018/053608A1
A self-sealing back draft damper for fully stopping backflow air through exhaust fans and extractor hoods. Contains a housing (1), with exit openings (2) and can have at least one mounting hole (10). Inside the housing (1) at least one i...  
WO/2018/053949A1
An inflatable headrest and a gas nozzle thereof are provided. The gas nozzle comprises a gas nozzle body (10), a gas nozzle cap (20), and a sealing gasket (30). An accommodation cavity (11) is disposed in the gas nozzle body (10). The bo...  

Matches 1 - 50 out of 15,383