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| Number | Title | Issue Date |
| 7568497 | Combined check valve and pressure relief valve A valve for use in regulating the flow of fluid between a first and a second fluid side is provided. The valve comprises a valve body and an aperture extending through the valve body. The aperture comprises an inner wall, a first aperture diameter at the first end o... | 08/04/2009 |
| 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 |
| 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 |
| 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 |
| 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 to an upper portion of the body case. The positive pressure valve is m... | 05/22/2007 |
| 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 |
| 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 |
| 7077742 | Pressure relief valve and method of forming the same A pressure relief valve (10) includes a housing (12) with a peripheral side wall defining at least one central airflow passage and at least one flap valve element (14). The housing (12) and the flap valve element (14) have a molded... | 07/18/2006 |
| 7040292 | Device for damping vibrations on fuel injection systems having a high-pressure accumulating space The invention relates to a high-pressure accumulator for fuel injection systems, having a number of line connections corresponding to the number of chambers of an internal combustion engine. The accumulator has an essentially circular cross section delimited by an i... | 05/09/2006 |
| 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 |
| 7004186 | Surge relief apparatus for a valve A valve apparatus that includes surge relief includes a valve housing having an inlet port, an outlet port, and a poppet seat between the inlet port and the outlet port. The valve also includes a first moveable poppet piece having a closed position against the poppe... | 02/28/2006 |
| 6929238 | Electric motor actuated stop and self-closing check valve An electric motor actuated stop/check valve for industrial use such as liquid pumping systems which has a controlled opening and closing rate when liquid flow is in a forward direction but closes quickly upon reverse flow of liquid with no action from the electric m... | 08/16/2005 |
| 6802332 | Shear valve A shear valve for use in a fuel delivery system includes a valve body wherein a first end is adapted to be connected to a fuel inlet, and a second oppositely-disposed end is adapted to be connected to a fuel outlet. The valve body is provided with a readily frangibl... | 10/12/2004 |
| 6772790 | Fuel tank A fuel tank for a motor vehicle has means for delivering fuel from the tank to the engine, means for the introduction of air into and the venting of air from the tank, and a filler pipe which can be closed at its intake end and which at its outlet end into the inter... | 08/10/2004 |
| 6283094 | Pressure valve A pressure valve for installation in a feed line between a fuel injection pump and an injection site of an internal combustion engine to be supplied. The valve has at least one movable valve member, embodied as a valve ball, which can be brought by a rest... | 09/04/2001 |
| 6261069 | Shaft seal with pressure equalizing shuttle An apparatus is provided for equalizing pressure between a lubrication fluid for lubricating a pump and a combustion fluid located at a low pressure side of the pump wherein the pump has a rotatable shaft. The apparatus includes a wall defining a bore wit... | 07/17/2001 |
| 6234195 | Check valve for fuel tank fill pipe A one-piece check valve is provided for a fuel filler pipe connected to a vehicle fuel tank to provide a fuel filling passage communicated to the fuel tank. The check valve comprises a thin sheet of material shaped to comprise a mounting portion, a flappe... | 05/22/2001 |
| 6196201 | Pressure valve A pressure control valve for installation in a supply line between a pump work chamber of a fuel injection pump and an injection point in the engine to be supplied. A valve body that has a first valve seat and an axial through conduit in which a pressure ... | 03/06/2001 |
| 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 |
| 5911239 | Metering valve The metering valve includes a housing assembly defining a metering cavity therein. At least one inlet port supplies fluid to be metered to the cavity, and at least one output port outputs metered fluid from the cavity. A valve seat in the cavity is dispos... | 06/15/1999 |
| 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 |
| 5582202 | Air conditioner system charge/relief valve A combined charge/relief valve for an air conditioner system includes an outer housing that defines a first passageway and an inner housing that defines a second passageway. The inner housing includes an O-ring seal and is biased by an outer spring to a s... | 12/10/1996 |
| 5546981 | Check valve A check valve for a metering device having a negligible pressure drop thereacross includes a valve seat defining an inlet flow region, an open support frame projecting outwardly from the valve seat to define an outlet flow region having a predetermined fl... | 08/20/1996 |
| 5479978 | Pressure-vacuum relief valve assembly A combination pressure-vacuum relief valve assembly is provided for mounting in a port of a container. A two-part, generally hollow valve housing defines a valve chamber and includes a housing body part adapted for mounting in the port and which has an in... | 01/02/1996 |
| 5454394 | Emergency shut-off valves An emergency valve is provided to shut off the flow of fuel in the event a fuel dispenser is struck with sufficient force to rupture the fuel conduit means therefor. The valve comprises a lower housing connected to a source of pressurized fuel and an uppe... | 10/03/1995 |
| 5311901 | Pressure interrupter device The pressure interrupter device provides a simple and easy way to interrupt the pressure in a hydraulic system. A piston having an internal check valve is biased in an internal chamber by a spring. As the piston is moved against the spring by upstream hyd... | 05/17/1994 |
| 5293897 | Pressure valve A pressure valve to be secured into a supply line between a pump work chamber of a fuel injection pump and a injection location of an internal combustion engine to be supplied with fuel. A pressure valve closing element provided with a sealing face is pre... | 03/15/1994 |
| 5193569 | Emergency shut-off valves An emergency valve is provided to shut off the flow of fuel in the event a fuel dispenser is struck with sufficient force to rupture the fuel conduit means therefor. The valve comprises a lower housing connected to a source of pressurized fuel and an uppe... | 03/16/1993 |
| 5127313 | Pressurized oil supply/discharge circuit and valve device for use in said circuit A check valve (14) with a valve opening actuator function and a bypass opening/closing valve (17) are disposed in parallel in a pressure oil supply/discharge passage (3) connected in communication with a hydraulic actuation chamber (2). The opening/closin... | 07/07/1992 |
| 5125323 | Pressurized oil supply/discharge circuit and valve device for use in such circuit A check valve (14) with a valve opening actuator and a bypass passage (16) are disposed in parallel in a pressurized oil supply/discharge passage (3) connected in communication with a hydraulic actuation chamber (2). A residual pressure holding valve (17)... | 06/30/1992 |
| 5099870 | Emergency shut-off valves An emergency valve shuts off the flow of fuel in the event a fuel dispenser is struck with sufficient force to rupture the fuel conduit means therefor. The valve comprises a lower housing connected to a source of pressurized fuel and an upper housing conn... | 03/31/1992 |
| 5074330 | Anti-abnormal-pressure/vacuum valve An improved anti abnormal-pressure/vacuum valve has a sleeve-like valve provided with a projection at its front end projecting into an actuator-side port, and a pressure introducing tube in a spool valve slidable in the sleeve-like valve for introducing o... | 12/24/1991 |
| 5029604 | Safety core for tire valve A safety core (10) for a tire valve comprises a head portion (12) screwed into the valve's housing (28) so that it is sealed against the inner wall of the housing by compressing a seal ring (36) located in an annular groove (34) formed in a tapered portio... | 07/09/1991 |
| 4989590 | Irrigation appliance An irrigation appliance uses a reservoir which inverts to form a cover and includes a simplified valve in the reservoir as well as a switching mechanism adapted thereto. Liquid delivered to the unit from the reservoir is controlled as to pressure by adjus... | 02/05/1991 |
| 4979675 | Pressure control valve A residual pressure control valve which is interposed between a fuel injection pump and a nozzle includes an annular valve element which is biased by a spring into contact with a seating surrounding a port connected to the pump. Slidable in the valve elem... | 12/25/1990 |
| 4969697 | Pressure differential release valve The pressure differential release valve (130) comprises a three-part body having a first end member (132), an intermediate body member (133), and a second end member (134). The members (132, 133, 134) define an interior stepped bore (139) containing a dif... | 11/13/1990 |
| 4926902 | Pressure equalizer valve device of fuel injection pump A pressure equalizer valve device incorporated in a fuel delivery valve assembly for use in a fuel injection pump, the fuel delivery valve assembly having a valve chamber and a delivery valve member axially movable in part within the valve chamber, the pr... | 05/22/1990 |
| 4840160 | Valve control device A control device for a valve arranged in a fuel injection line of an internal combustion engine and closable to build up of injection pressure at an injection nozzle wherein a play adjusting element is arranged between a valve body of the valve and a driv... | 06/20/1989 |
| 4838462 | Double bellows purge valve A liquid dispensing unit is described. The unit includes a first valve element that is held within a liquid passageway by a first spring mechanism. This spring mechanism is designed to yield under pressure to allow the first valve element to move off a va... | 06/13/1989 |
