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| Number | Title | Issue Date |
| 8091862 | Butterfly valves having sleeve inserts A butterfly valve having a valve body, a butterfly shaft, a butterfly plate, and a sleeve insert is provided. The valve body is made of a first material and the sleeve insert is made of a second material. The butterfly shaft is in the valve body for rotation about a... | 01/10/2012 |
| 7490812 | Valve device having a valve control member formed by molding A valve device includes a housing body having a fluidic chamber which has at least one valve seat and a valve control member. The member includes a rigid frame having first and second opposed surfaces and being shaped with recesses, at least one of the recesses exte... | 02/17/2009 |
| 7406983 | Shut-off fitting The invention relates to a shut-off fitting comprising a housing which is connected to an adjacent pipeline in a pressure tight manner, the diameter of said pipeline defining a tubular passage in the housing. Said fitting also comprises at least one closing body whi... | 08/05/2008 |
| 7367544 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve An apparatus and method are provided for replacing existing actuator driven zone valves in an HVAC system, and particularly valves of the rubber paddle type having actuators providing less than 90 degrees of rotation, with a ball valve including a skewed seat bearin... | 05/06/2008 |
| 7357369 | Damper device A damper device includes a drive part, a baffle driven by the drive part, a frame including an aperture part which is opened or closed by the baffle, and a cover member for covering a joint part provided for the drive part to prevent moisture existing outside of the... | 04/15/2008 |
| 7290566 | Diverter valve with improved seal A diverter valve for bulk solids is disclosed. The valve has a single inlet and two or more outlets, preferable three. Two pivotal gate valves are used for three outlets so that one is open and two are closed. The valve includes a novel pivotal gate structure which ... | 11/06/2007 |
| 7264224 | Valve with offset venturi A valve is disclosed having a valve closing member that divides the valve bore into passageways of unequal cross sectional areas when in an open position. A venturi is positioned within the valve bore upstream of the valve closing member. The throat of the venturi m... | 09/04/2007 |
| 7175156 | Throttle device A throttle device comprises a device housing with an inlet and an outlet and a throttle element arranged in a connecting duct connecting the inlet and the outlet, said throttle element comprising at least two throttle components to be adjusted relative to one anothe... | 02/13/2007 |
| 7163282 | Valve unit and liquid ejecting apparatus The pressure of a pressure chamber decreases as liquid is ejected from an ejecting head. A valve element of a valve unit is provided inside the pressure chamber. The valve element has a power point part, fulcrum part and application point part. The power point part ... | 01/16/2007 |
| 7150445 | Valve device having a long adjustment stroke The invention provides a control valve device enabling the positioning precision of its abutment to be reduced without reducing the overall control precision of the valve. For this purpose, the valve device comprises a valve body defining a fluid flow duct in which ... | 12/19/2006 |
| 7137613 | Pattern factor control valve A fuel valve for use in regulating the pattern factor of a gas turbine has a highly accurate pressure balanced clevis valve assembly. The clevis valve is pivotally mounted inside the valve housing by a flexure pivot, and has a pair of legs at each side of a valve bo... | 11/21/2006 |
| 7128305 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between process and transport modules. A separate valve is provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of the unitary actuator. The separat... | 10/31/2006 |
| 7096878 | Pyrotechnically actuated microvalve The microvalve comprises a mini-piston moving due to the thrust of gases given off by firing of a pyrotechnic charge and comprising an aperture designed to enable communication to be established between ends of microchannels of a microfluidic component. When the end... | 08/29/2006 |
| 7090192 | Vacuum valve A vacuum valve comprising a valve body with a valve opening, a valve plate which is movable between an open position in which it lies next to the valve opening and releases the valve opening and a closed position in which the valve opening is covered and a diaphragm... | 08/15/2006 |
| 7086416 | Valve assembly having a compensating gate Methods and apparatus for selectively blocking or redirecting flow with a valve that compensates for misalignment between a seat and a gate are disclosed. In one aspect, a valve includes a gate having two discs spaced from one another, first and second seats within ... | 08/08/2006 |
| 7086276 | Temperature correction method and subsystem for automotive evaporative leak detection systems A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ... | 08/08/2006 |
| 7063099 | Exhaust gas control valve, apparatus and method of controlling exhaust gas flow The present invention is directed to an exhaust gas control (EGC) valve. The EGC valve comprises a valve housing having at least one inlet port, at least one outlet port, and a flow channel having a centerline extending between the ports. A valve seat is adjacent an... | 06/20/2006 |
| 7059583 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between adjacent vacuum chambers, such as process and transport modules. Separate valves are provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of... | 06/13/2006 |
| 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 system. The integrated pressure management system also performs a leak dia... | 05/09/2006 |
| 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 tank, a canister that collects volatile fuel vapors from the head spa... | 04/11/2006 |
| 7014165 | Flow control valve and flow control valve apparatus using the same A flow control valve apparatus using a flow control valve manufactured via micro-machining is provided. The flow control valve has a substrate defining at least one orifice through which a fluid can flow, a support member formed on a first surface of the substrate, ... | 03/21/2006 |
| 7004449 | Active combustion fuel valve A fuel metering valve for a gas turbine active combustion control system has a highly responsive pressure balanced valve assembly with either a flapper or clevis member. The valve member is mounted at one end to an armature of a magnetic drive assembly and a movable... | 02/28/2006 |
| 6981691 | Dual segment ball valve A ball valve has a valve body defining an inner seat and having a fluid inlet and fluid outlet and a control ball element rotatably mounted in the inner seat. The control ball element has a partially spherical outer surface, a flow passage having a leading edge, a f... | 01/03/2006 |
| 6976359 | Wastegate for a turbocharged internal combustion engine A wastegate valve for a turbocharger that is separate from the turbocharger has an actuator mounted to a valve housing. The valve housing has a passage therethrough and a swing valve that opens and closes the passage. The swing valve has a pivot point that lies outs... | 12/20/2005 |
| 6962323 | Apparatus comprising a rotary-acting pilot valve A rotary-acting valve is disclosed. In some embodiments, the rotary-acting valve is the pilot or first stage of a two-stage control valve and can be used to create an improved propulsion system for a missile. In the illustrative embodiment, the rotary-acting pilot v... | 11/08/2005 |
| 6955332 | Hinged armature valve A hinged armature valve having a drive part and a control part affixed thereto, the drive part comprising an electromagnet unit, which is embedded in a drive part housing, fashioned of plastic material, molded in place during manufacture. The control part defines a ... | 10/18/2005 |
| 6949143 | Dual substrate loadlock process equipment One embodiment relates to a loadlock having a first support structure therein to support one unprocessed substrate and a second support structure therein to support one processed substrate. The first support structure is located above the second support structure. T... | 09/27/2005 |
| 6931919 | Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus A diagnostic appartus and method for a fuel system that supplies fuel to an internal combustion engine. The fuel system includes a fuel tank that has a headspace and a filler occluded by a removable cap, a charcoal canister in fluid communication with the headspace,... | 08/23/2005 |
| 6918569 | Active combustion fuel valve A fuel metering valve for a gas turbine active combustion control system has a highly responsive pressure balanced valve assembly with either a flapper or clevis member. The valve member is mounted at one end to an armature of a magnetic drive assembly and a movable... | 07/19/2005 |
| 6910500 | 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 tank, a canister that collects volatile fuel vapors from the head spa... | 06/28/2005 |
| 6902704 | Injection pump assembly for a combinatorial reactor and related method An injection pump assembly 10 in a chemical delivery system for simultaneously delivering reagents into a combinatorial reactor system having multiple injectors. The assembly 10 has a plurality of injectors 12, each injector 12 being in f... | 06/07/2005 |
| 6892997 | Method and valve for reducing valve opening and closing time durations A process reducing the side opening and closing time of a valve. The process uses a valve for mounting in an intake port of a reciprocating engine upstream from a charge changing valve, which valve contains a valve element operating in conjunction with the inner wal... | 05/17/2005 |
| 6886594 | On-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants The invention relates to on-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants, of the type comprising a hollow valve body, an opening for the inlet of the gas into the valve, an opening for the outlet of th... | 05/03/2005 |
| 6880572 | Exhaust gas control valve, apparatus and method of controlling exhaust gas flow The present invention is directed to an exhaust gas control (EGC) valve. The EGC valve comprises a valve housing having at least one inlet port, at least one outlet port, and a flow channel having a centerline extending between the ports. A valve seat is adjacent an... | 04/19/2005 |
| 6877716 | Motor-operated damper device A motor-operated damper device includes a baffle driving device equipped with a motor, a baffle that is driven by the baffle driving device, a frame defining an opening section that is closed and opened by the baffle, the opening section having a peripheral edge sec... | 04/12/2005 |
| 6786469 | Anti-rattle valve feature for a heating, ventilating, and air conditioning (HVAC) assembly Disclosed is an anti-rattle valve feature for a heating, ventilating, and air conditioning assembly. In a typical HVAC assembly each end of an air valve shaft is received in a pivot hole permitting the air valve shaft to rotate within the assembly. Because the insid... | 09/07/2004 |
| 6782916 | Flapper valve system A fuel system for a work vehicle such as a tractor includes a pair of fuel tanks located on either side of the vehicle that are connected by a cross feed fuel line. The fuel line permits fuel to flow from both tanks to a common fuel suction line, which, in turn, fee... | 08/31/2004 |
| 6772991 | Tapping device The valve (1) has a valve casing (2), a cone (4) with a shaft (40) emanating from the Cone (4), and a seat (20). The valve has a control element (3) for moving the cone (4) to and from the seat (20). The... | 08/10/2004 |
| 6676031 | Fountain shutter This invention discloses an ornamental fountain wherein a fountain nozzle is made to discharge a pressurized stream of liquid, and a shutter prevents or allows the stream to exit.... | 01/13/2004 |
| 6659432 | Carburetor arrangement The invention relates to a carburetor arrangement for an internal combustion engine (1), especially for a drive motor of a work apparatus such as a motor-driven chain saw, a brushcutter, a cutoff machine or the like. The carburetor arrangement includes a ... | 12/09/2003 |
