Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 an aperture in the gasket is retained within an aperture in the flappe... | 02/28/2006 |
| 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 |
| 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 |
| 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 |
| 6196258 | Pressure control valve and evaporation fuel discharge control device The pressure control valve is structured such that a first port is formed on one side of a casing, a second port is formed on the other side, and, in the casing, there are disposed not only a positive pressure valve which, when the pressure on the first p... | 03/06/2001 |
| 6056029 | Fuel-Transfer system A fuel-transfer system is provided for a fuel system of a vehicle. The fuel-transfer system includes a filler neck and a fuel tank having top and bottom walls. The fuel-transfer system includes a tube and a fuel conductor. The fuel conductor includes a ho... | 05/02/2000 |
| 4561559 | Fuel tank venting valve A fuel tank venting valve includes a housing defining a cylindrical chamber having a first plunger slidably mounted therein, and a spring biasing the first plunger in a closed position. The first plunger itself defining a cylindrical chamber having a seco... | 12/31/1985 |
| 4459086 | Fuel injection pump for internal combustion engines The support of a relief valve in a constant pressure relief valve of the fuel injection pump comprises a bolt and two openings for receiving it in the sheath-like wall of the movable valve closing body. The openings are embodied by a bore drilled through ... | 07/10/1984 |
| 4300591 | Anti-cavitation and overload relief valve for a hydraulic system A hydraulic system including at least one hydraulic cylinder is provided with an anti-cavitation and overload relief valve having a housing, a first chamber within the housing in fluid communication with one end of the cylinder, and a second chamber withi... | 11/17/1981 |
| 4270567 | Control valve for use in hydraulic apparatus A control valve operating as a combined relief and make-up valve for use in hydraulic apparatus comprises a valve housing provided with a blind hole, a valve seat tightly engaged with the inlet of the blind hole, a cylindrical hollow make-up poppet slidab... | 06/02/1981 |
| 4210170 | Anti-cavitation and overload relief valve for a hydraulic system A hydraulic system including at least one hydraulic cylinder is provided with an anti-cavitation and overload relief valve having a housing, a first chamber within the housing in fluid communication with one end of the cylinder, and a second chamber withi... | 07/01/1980 |
| 4016903 | Pilot operated pressure and vacuum relief valve A pilot operated pressure and vacuum relief valve which is adapted to open both at times when fluid pressure in a system in which the valve is connected exceeds a predetermined high value and at times when such pressure falls below a predetermined lower v... | 04/12/1977 |
| 3939866 | Fuel saving device This invention relates to means for restricting the "breathing" of closed containers of volatile fluids within desired limits of pressure and/or vacuum, and in one embodiment includes two coaxial counter-directional, pressure relief valves for use in auto... | 02/24/1976 |
