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7401623 Double-acting valve unit  
A hydraulic system includes a charge pump which supplies fluid to variable displacement main pump, a fluid reservoir and valve unit. The valve unit includes a hollow housing having a first end...
7392823 Combination valve  
Improvement in a combination valve including check valve and pressure relief valve portions for regulating fluid flow pressure and direction in a hydraulic circuit, wherein a valve seat includes,...
7389791 Backflow preventer  
A backflow preventer ( 1 ) having a mounting housing ( 2 ) that is inserted into a fluid conduit ( 3 ) is provide and includes at least one sealing ring ( 4 ) which is supported within an annular...
7383855 Sanitary tank vent valve  
A combination pressure relief and vacuum relief valve for mounting on a storage tank is disclosed as having two vertical mounting connections of different elevations; a pressure relief valve...
7377353 Four wheel traction control valve system  
A hydrostatic propulsion system includes a hydrostatic circuit fluidly connecting left front and right front motors in parallel with an outlet of a pump, left rear and right rear motors in parallel...
7367353 Combined check valve and pressure relief valve  
A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a...
7363940 Flow-rate restrictor insert for orifice expansion device  
A generally cylindrical restrictor insert for containing an axially movable, apertured restrictive member, housed in a flow control distributor housing of an orifice expansion device used for...
7360556 Check valve  
A check valve is provided, including a first hose connector housing defining an entry passage and a first valve seat, a second hose connector housing engaging the first hose connector housing and...
7357150 Safety shut-off device  
A safety shut-off device for sections of fluid circuits, which in case of damage or the like, have to shut off from each other on safety considerations. The safety shut-off device includes at least...
7343927 Blocking element, especially an explosion protection valve  
A closing body ( 3 ) which is mounted in a housing ( 2 ) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat ( 4 ) into a closing...
7331323 Lubricating oil supplying system for internal combustion engine  
A lubricating oil supplying system for an internal combustion engine includes a lubricating oil storage section for storing lubricating oil. A driven pump is driven by the internal combustion...
7320334 Valve Assembly  
A valve for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. A bore is extended through a valve seat, and the bore and valve stem...
7318592 Motorcycle steering damper  
According to the invention, there is provided a steering damper ( 10 ) in which the interior of a cylinder ( 12 ) is divided into two oil chambers (A), (B) by a piston ( 14 ) which slides in the...
7302966 Flow control valve and method  
A flow control valve includes a body having a fluid passageway therethrough and first and second openings each adapted for receiving or discharging fluid from the passageway. A piston is slidably...
7299819 Water flow sensor alone and in combination with a method and apparatus for selectively shutting off the flow of water to a building  
Embodiments disclosed herein relate in part to water flow sensors, and also to such water flow sensors in combination with a system used to selectively shut off the flow of water through a water...
7296586 Gas-regulating unit for regulating a gas pressure in a gas-tight tank  
A gas-regulating unit for regulating an internal gas pressure in a gas-tight liquid-storage tank is mounted on the gas-tight tank in which stored liquid is sealed from outside atmosphere by...
7258134 Combination check valve and pressure rise rate valve  
A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve...
7252652 Valved catheters including high flow rate catheters  
A pressure activated two-way slit valve assembly is designed to be used in combination with, but not limited to, a high flow rate catheter to prevent accidental ingestion of air or loss of blood if...
7243676 Combination umbrella and inverted bi-directional valve  
A combination valve including a valve body having an inverted bi-directional valve portion and an umbrella portion is disclosed. In accordance with one aspect of the invention, a combination valve...
7240676 Tracheotomy valve unit  
A tracheotomy valve unit for use with a tracheotomy tube inserted into a patient's trachea comprises a first end for connection to the tracheotomy tube, a second end comprising a valve unit inlet,...
7234487 Cross-over relief valve assembly for use in bi-directional circuit  
A relief valve assembly ( 27 ) for use with first ( 15 ) and second ( 21 ) conduits, one communicating high pressure. The assembly comprises a housing ( 29,33 ) defining first ( 45 ) and second (...
7219683 Cut valve with check valve  
A cut valve with a check valve includes a body case, a cap member, positive and negative pressure valves, and first and second springs. The body case defines a vent hole. The cap member is fitted...
7207350 Pressure valve  
The invention relates to a pressure valve with a flow passage ( 3 ) having a valve body ( 14 ) and a lifting plate ( 21 ) that has a surface area A 2 transversally of the flow passage ( 3 ) that...
7204268 Internal pressure equilibrium device for airtight space  
The invention relates to an internal pressure equilibrium adjustment device for airtight space with rapid operation and simple structure. The invention comprises of a pipe 8 which is mounted on...
7201183 Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive  
A valve arrangement in a hydraulic circuit comprises a longitudinal duct 3 and a transverse duct 2 . A throttle slide 10 can be displaced in the direction of the longitudinal duct 3 ....
7171977 Combination pressure relief and topping valve  
A combination or hybrid pressure relief and topping valve for use with inflatable devices such as life rafts and escape slides. The valve including a valve body with a fluid passage therein that...
7163223 Lockout mechanism for a suspension system  
A suspension system that includes a simplified lockout mechanism and an adjustable blow-off mechanism. The system includes a valve mechanism and a valve actuating assembly, a valve mechanism...
7159606 Reservoir for a lubricant pump  
The invention relates to a storage reservoir for receiving grease or a like lubricant for a lubricant pump with a, for example, cylindrical side wall and a cover wall closing off a reservoir...
7147121 Valve for non-spill cup  
A valve for use with a cap for a spill resistant cup, the cap including a spout to dispense the liquid and a valve mount extending from the spout to engage with the valve. The valve includes a...
7140385 Valve arrangement for controlling hydraulic fluid in an axial piston machine  
In the stationary part ( 1 ) of an axial piston machine, a first flow duct ( 2 ) and second flow duct ( 5 ) intersect with the central axes ( 3 ) and ( 6 ). A valve body ( 20 ) having a valve cone...
7134534 Damper for front fork of vehicle  
A front fork for a vehicle includes an upper front fork tube, a lower front fork tube movably coupled to the upper front fork tube, a fluid contained in the upper and lower front fork tubes, and a...
7121297 Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive  
Arranged in a hydraulic circuit is a valve with an L-shaped duct arrangement, which is formed by a transverse duct 2 and a longitudinal duct 3 . Formed in extension of the longitudinal duct 3 ...
7121267 Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance  
An integrated pressure management apparatus, system and method for minimizing resonance of a poppet. A housing defines a fluid communication passage between ports. The housing includes a first...
7104277 Valve for controlling a tank internal gas pressure  
The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice ( 10 ) provided in the upper part thereof, allowing through a gas flow outside the...
7096883 Combined check/pressure control valve  
The invention relates to a combined check and pressure control valve ( 10 ), comprising a check valve element ( 34 ) which is adjustable between an opened position and a closed position, and a...
7086413 Bi-directional damper valve for a hydraulic line, power steering system incorporating the damper valve, and methods of using same  
A bi-directional damper valve is provided for connecting to a hydraulic line, to regulate fluid flow therethrough. The damper valve includes a main valve body having a flow passage formed...
7086388 Combination valve for fuel system  
A combination valve for fuel delivery system of a vehicle having an engine, the fuel delivery system being configured to pump fuel to the engine and the fuel delivery system has a regulator for...
7080659 Damper valve and hydraulic power steering apparatus using the same  
A damper valve includes a valve member for covering openings of communicating passages of a valve sleeve. The valve member is elastically deformed by a low flow rate of the hydraulic oil flowing...
7073527 Assignable pressure governor valve  
In an apparatus for regulating the internal pressure of a closed system, a valve housing connected to a closed system, an intake valve connected to a valve housing for receiving a pressurized...
7069945 Cartridge relief valve with improved stability  
A cartridge relief valve uses a piston design. The piston replaces a tube used in prior art relief valves. The piston makes the inventive relief valve easier to manufacture and more stable than...
7066199 Valve assembly  
A valve assembly for use in regulating the flow of fluid between a first fluid side and a second fluid side of a hydraulic circuit. The valve includes a valve guide, a valve stem engaged to the...
7044150 Combination vent/check valve assembly  
A bidirectional valve comprising a flexible member with an aperture formed therein. The flexible member reacts to differential pressure thereacross by deforming, thereby causing the inside surfaces...
7040301 Fuel system with integrated pressure management  
A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel...
7028708 Combined check valve and pressure relief valve  
A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a...
7028707 Valve for use with chest drainage system  
A valve for use in a chest drainage device is disclosed, the chest drainage device is adapted to receive liquid and air from a patient's chest cavity via an inlet and to permit air to escape...
7025084 Integrated pressure management system for a fuel system  
An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel...
7021326 Combination inflation and relief valve  
A combination inflation and relief valve having an inflation gasket mounted on a reciprocating stem head that separates from a valve seat of a valve body against the force of an inflation spring...
7011077 Fuel system and method for managing fuel vapor pressure with a flow-through diaphragm  
A fuel system and a method of method of managing fuel vapor pressure in the fuel system. The fuel system a fuel tank having a headspace, a fuel vapor collection canister in fluid communication with...
7007708 Flow control valve  
A valve mechanism to control fluid flow between a fluid pumping device and a system that includes an inlet from the fluid pumping device, a first valve, a second valve, a first outlet fluidly...
7004194 Check valve with pressure relief feature  
A check valve has a valve body and flapper. The flapper has a gasket which is sandwiched between a flapper base and a flapper cover. The flapper base has a flapper base stem which extends through...