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| Number | Title | Issue Date |
| 8171953 | Tank pressure and vacuum relief device Particular embodiments of the present invention include devices and methods for relieving excess pressure or vacuum pressure from a tank interior. An embodiment of a pressure relief device includes a housing having an opening associated with a first end, an opening ... | 05/08/2012 |
| 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, in addition to a central aperture, a plurality of peripherally-spaced ... | 07/01/2008 |
| 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 valve insert positioned within an aperture of the valve body, a check po... | 05/06/2008 |
| 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 engine to suck the lubricating oil from the lubricating oil storage sectio... | 02/19/2008 |
| 7328700 | Respiratory system and method of use A respiratory protection circuit of the type having an air flow regulator disposed in an air flow path between an air supply and a respirator is improved by including an air flow splitter and a bi-directional valve. The air flow splitter is disposed in the air flow ... | 02/12/2008 |
| 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 cooperate to form a fluid passage from the first side to the second side. ... | 01/22/2008 |
| 7300482 | Particle separation apparatus Particle separation apparatus comprises a cyclone particle separating means, a particle collecting chamber and a fan driven by an electric motor for drawing particle laden air into and through the apparatus. A valve is provided, upstream of the suction fan driving m... | 11/27/2007 |
| 7273041 | Fuel system combination valve for an internal combustion engine and such a fuel system The invention relates to a combination valve (15) for pressure control and venting in a fuel system for delivering fuel to an internal combustion engine. The valve comprises a primary valve cone (25), which is supported so that it is displaceable betwe... | 09/25/2007 |
| 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 insert positioned within an aperture of the valve body, and a check po... | 08/21/2007 |
| 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. Arranged in the throttle slide 10 is a valve pist... | 04/10/2007 |
| 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 (21) and a tubular guide piston ... | 11/28/2006 |
| 7114699 | Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders A valve apparatus, and combined valve-regulator apparatus, for safely regulating the flow of combustible gases such as oxygen. ... | 10/03/2006 |
| 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 tank when the difference between the internal pressure and the ... | 09/12/2006 |
| 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 regulating the pressure of the fuel when it is being pumped to the engin... | 08/08/2006 |
| 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 substance in one direction through the valve housing into the closed syste... | 07/11/2006 |
| 7066722 | Discharge valve for compressor A compressor assembly including a compressor mechanism, a compression chamber and a discharge chamber. A discharge port provides fluid communication between the compression chamber and the discharge chamber. A valve seat circumscribes the discharge port. A discharge... | 06/27/2006 |
| 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 valve guide and a valve seat. A bore is extended through the valve seat,... | 06/27/2006 |
| 7040468 | Hydraulic shock absorber A hydraulic shock absorber includes a cylindrical housing within which a piston assembly is slidably received. The piston assembly includes a piston element connected to a piston rod and adapted to divide an interior of the housing into compression and rebound chamb... | 05/09/2006 |
| 7036756 | Anti-sputter fluid flow control apparatus for paint sprayers A fluid spray apparatus with a controlled supply of pressurized fluid delivered through a network of tubes to a spray head having a plurality of stop flow valves and nozzles that will automatically shut off the flow of fluid out of the nozzles when the pressure of t... | 05/02/2006 |
| 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 valve insert positioned within an aperture of the valve body, a check po... | 04/18/2006 |
| 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 upon inflation and having a relief gasket mounted on a reciprocating pu... | 04/04/2006 |
| 6997208 | Valve suitable for use in an oil circuit of an internal combustion engine A valve, in particular for the oil circuit of an internal combustion engine. The valve includes a supporting dome, a valve body situated therein, a valve disk which is connected to the supporting dome and has an opening which can be closed by the valve body, and an ... | 02/14/2006 |
| 6997165 | Pressure control valve for a fuel system A valve has a housing defining an interior of the valve. The valve has a first passage in the housing and a second passage in the housing. The valve has a flow limiter movable between a first position at which the first passage is in fluid communication with the sec... | 02/14/2006 |
| 6986363 | Valve assembly for use in a hydraulic component 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 assembly has an insert mounted in a hydraulic component having at least a portion of the hydraulic circuit formed therein, the ins... | 01/17/2006 |
| 6966302 | Fuel system and flow control valve A valve for controlling flow of a fluid includes a valve body defining at least in part an inlet, an outlet, at least one chamber, and an orifice in communication with the chamber. A valve member is received at least in part in one chamber for reciprocation or rotat... | 11/22/2005 |
| 6964280 | Valve assembly for use in a hydraulic component 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 combination check valve and pressure relief valve includes a valve plug, a valve guide moveably positioned... | 11/15/2005 |
| 6929025 | Two-way valve A two-way valve includes a valve case with the first valve seat formed at one of two openings, the first valve member movable in the valve case for abutting against the first valve seat, and the first urging device for urging the first valve member toward the first ... | 08/16/2005 |
| 6910502 | Decoupled check-relief valve A decoupled check-relief valve for use in a hydraulic fluid circuit is provided that has a cylindrical guide housing which travels during the check function of the valve. The cylindrical guide housing has a clearance parameter, allowing for the selection of an optim... | 06/28/2005 |
| 6875343 | Dual direction bypass valve A dual direction bypass valve allows a transmission filter to function whether or not it is placed in the vehicle transmission correctly. The filter includes a front and rear valve bodies separated by an end cap, and each having a spring and disk. When the filter me... | 04/05/2005 |
| 6719005 | Combination check valve and pressure release 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 combination check valve and pressure relief valve includes a valve plug, a valve guide moveably positioned... | 04/13/2004 |
| 6619497 | Apparatus for venting a container containing fluid Apparatus for venting a container containing a fluid and including a poppet mounted to the bottom of a cap or flap mounted to a housing for being mounted to the container, a fastener for fastening the cap of flap to the housing and which fastener may be a... | 09/16/2003 |
| 6393962 | Power steering apparatus In a power steering apparatus provided with a damper valve, the damper valve holds a partition member between a cap and the housing.... | 05/28/2002 |
| 6357415 | Fuel shut-off device for internal combustion engine A fuel shut-off safety device is mounted in a fuel injection system for an internal combustion engine. The fuel shut-off safety device includes a cylindrical body having a fuel passage and a valve seat, a piston disposed to slide in the fuel passage, a va... | 03/19/2002 |
| 6305412 | Double acting pressure relief valve with low pressure seal A pressure relief valve that includes a sealing arrangement with a cantilevered seal that prevents fluid from escaping from a system if the differential pressure is only slightly positive yet permits fluid to be released from the system if the internal sy... | 10/23/2001 |
| 6148853 | Damper valve for hydraulic power steering device A damper valve for a hydraulic power steering device is disposed on a hydraulic oil circuit for connecting an oil passage changing-over valve in a gear box and left and right oil chambers of a power cylinder, and is provided with a partition plate member ... | 11/21/2000 |
| 6029694 | Diaphragm pressure regulating valve assembly This pressure regulator prevents unpleasant vibration of the closing body. In the pressure regulator, a friction spring that is simple to mount is provided, by means of which the vibration of the closing body can be suppressed or reduced. The pressure reg... | 02/29/2000 |
| 6026848 | Pressure relief valve A pressure relief valve assembly has a tubular body (10) with an internally projecting first valve seat (34, 80). An annular seal carrier (22) supports a resilient seal (24) which is spring-biased into engagement with the first valve seat (34). A movable ... | 02/22/2000 |
| 6006781 | Fuel pressure regulator A fuel pressure regulator wherein the diaphragm is eliminated from the crimp securing the first and second portions of the regulator housing together, thus minimizing the strain on the diaphragm thereby extending the life of the diaphragm and the pressure... | 12/28/1999 |
| 5950669 | Pressure valve The invention relates to a pressure valve for installation in a supply line between a pump work chamber of a fuel injection pump and an injection site in an internal combustion engine to be supplied thereby. A valve body is provided with a valve seat and ... | 09/14/1999 |
| 5807081 | Combination valve for screw compressors Normally closed valve structure is located in a fluid path between the suction and discharge sides of a compressor. The valve structure opens upon a small pressure differential when the higher pressure is in the normal suction side which is indicative of ... | 09/15/1998 |
