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| Number | Title | Issue Date |
| 7537026 | On-off valve An on-off valve is disclosed, especially a fast-acting on-off valve, wherein a plunger is pretensioned in a base position. The plunger has a plurality of parallel control edges via which a plurality of sectional opening cross-sections, arranged in parallel in a hydr... | 05/26/2009 |
| 7527072 | Gas cook-top with glass (capacitive) touch controls and automatic burner re-ignition A gas cook-top with glass (capacitive) touch controls and automatic burner re-ignition is provided. The gas cook-top utilizes a variable flow gas control valve that is driven by an electronic controller whose user interface provides a glass capacitive touch interfac... | 05/05/2009 |
| 7458393 | Control valve with integrated insert providing valve seat and plug guides A control valve for regulating flow of fluids has an actuator located in a control chamber connected to a valve body. The valve body defines a flow passageway passing through an opening. A plug is associated with the actuator such that movement of the actuator from ... | 12/02/2008 |
| 7455073 | Variable flow valve A fluid valve has a housing having an inlet port and an outlet port. A fluid flow path extends between the inlet port and the outlet port. A valve member is located in the housing in the fluid flow path. The valve member is moveable among a series of positions. The ... | 11/25/2008 |
| 7389756 | Control valve for an apparatus for variable setting of the control times of gas exchange valves of an internal combustion engine The invention relates to a control valve (20) for an apparatus (1) for the variable setting of the control times of gas exchange valves (110, 111) of an internal combustion engine (100), having a valve housing (22) of hollow config... | 06/24/2008 |
| 7118088 | Fluid control valve To provide a fluid control valve which is capable of preventing or suppressing degradation of the accuracy of flow rate control dependent on the lift amount of a valve element from a valve seat. An expansion valve is configured such that a valve portion and a valve ... | 10/10/2006 |
| 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 |
| 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 |
| 7000635 | Double valve The invention relates to a double valve with a valve housing (1), for housing two double-headed actuators (30, 31), whereby the double head actuators have differing head diameters (12, 13) and the flow of a fluid through the both actuators (3... | 02/21/2006 |
| 6968816 | Oil flow control valve In an oil flow control valve (OCV) according to the present invention, a first volume varying chamber is adapted to communicate with a second volume varying chamber through a second plunger breathing path, and the second volume varying chamber is adapted to communic... | 11/29/2005 |
| 6966285 | Engine valve actuation control and method A valve actuator control monitors engine valve trajectory, lift and seating velocity and varies the timing of internal feedback control channels to correct for engine valve positioning errors to achieve precise engine valve lift, closing timing and desired seating v... | 11/22/2005 |
| 6935290 | Avoid drawing air into VCT chamber by exhausting oil into an oil ring A VCT phaser for an internal combustion engine with at least one camshaft comprising a housing, a rotor, a spool valve and a ring-shaped reservoir. The housing having at least one chamber and the rotor having at least one vane dividing the chambers into advance and ... | 08/30/2005 |
| 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 |
| 6928967 | Electromagnetic hydraulic valve, in particular a proportional valve for controlling device for adjusting the rotation angle of a camshaft relative to the crankshaft in an internal combustion engine, and a method for the production thereof An electromagnetic hydraulic valve (1), which including an electromagnet (2) with an armature (3) and of a valve housing (4) with an axial bore (5) and a piston valve (6) located therein is provided. The valve housing (4 | 08/16/2005 |
| 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 |
| 6889641 | Camshaft control device and control valve with leakage compensation The invention concerns a control device for adjusting the relative angular position of a driven shaft, particularly a camshaft of an internal combustion engine, said device comprising a drive pinion that is rotatably connected to the shaft, an adjusting element (... | 05/10/2005 |
| 6851451 | Method and apparatus for manufacturing a valve body What is disclosed is a method for manufacturing a valve piston, as well as a valve piston, wherein flow in the fine control range is determined through control windows formed by a through opening extending through the valve body. ... | 02/08/2005 |
| 6752734 | Switch valve This invention provides a switch valve which can increase durability without causing driver discomfort at a time when a failure occurs. The switch valve has a spool is formed by a spool portion and a plunger which is arranged so as to freely abut against the spool p... | 06/22/2004 |
| 6615868 | Spool valve A spool valve includes a groove defined in the spool and a notch. A line A is drawn to extend through a communication zone a provided upon communication of the notch which is disposed at a distal end of the line A and defined in a step of a spool with an ... | 09/09/2003 |
| 6408882 | Diverter valve An apparatus and method is disclosed for an improved diverter valve comprising a valve housing defining an internal chamber. A main port and a first and a second port communicate with the internal chamber in a Y-shape configuration. A spool valve element ... | 06/25/2002 |
| 6397890 | Variable metering fluid control valve A variable metering fluid control valve comprising a valve body having at least one work port and one exhaust port with the ports in fluid communication with a spool bore and an exhaust core, said exhaust core having an exhaust core land and a reciprocati... | 06/04/2002 |
| 6386234 | Overtravel-double seat magnetic valve In a double seat valve (1) comprising a valve body (8) with an upper valve disk (6) and a lower valve disk (7), an upper valve seat (4) for the upper valve disk (6) and a lower valve seat (5) disposed underneath for the lower valve disk (7), and an adjust... | 05/14/2002 |
| 6286550 | Valve apparatus A valve apparatus for preventing the reverse of a thrust force and the generation of oscillation by smoothing a fluid flowing, including: an upper plug and an upper sheet ring which are for adjusting flow of fluid to an upper current path; and a lower plu... | 09/11/2001 |
| 6230742 | Poppet valve assembly apparatus having two simultaneously-seating heads A two-headed force-balanced poppet valve assembly wherein the spacing of the valve heads along the pintle shaft is directed by the spacing between the valve seats during assembly and wherein at least one of the valve heads is compliantly mounted on the pi... | 05/15/2001 |
| 6098622 | Airway valve to facilitate re-breathing, method of operation, and ventilator circuit so equipped An airway valve for re-breathing, a ventilator circuit including same and a method of operating the airway valve. The airway valve includes a housing having first and second primary passages extending through the wall thereof and mutually directly communi... | 08/08/2000 |
| 6027095 | Pipe breakage safety valve The invention is a pipe rupture valve having an internal servovale that comprises a valve piston that, in a setting at a steering edge, blocks the connection between two internal pressure connections of the servovalve. At a distance axially to said steeri... | 02/22/2000 |
| 5918616 | Apparatus and method of controlling gas flow Apparatus for controlling gas flow is provided and includes a block having a plurality of distribution channels, and an inlet receiving gas from a source, a plurality of solenoid valves each communicating with the inlet and one of the flow control meters,... | 07/06/1999 |
| 5803118 | Metered feed valve A valve device adapted to meter the amount of any specific type of particulate matter--particularly livestock feed--being introduced into a mixture. The device uses a pair of compartments in a cylinder, the compartments being defined by pistons and using ... | 09/08/1998 |
| 5598871 | Static and dynamic pressure balance double flow three-way control valve A statically and dynamically pressure balanced fluid control valve. The valve contains a spool that is moved within an inner chamber of a valve housing by a pair of solenoids. The ports are symmetrically located on each side of a center port, wherein the ... | 02/04/1997 |
| 5509447 | 2/2 directional seat valve Disclosed is a 2/2 directional seal valve with direct control comprising a housing and a seat piston installed, i.e., located, in leakproof and slidable manner in the housing. The piston has a conical surface which acts together with a seating surface loc... | 04/23/1996 |
| 5456445 | Cylinder gas valve The invention is to a safety valve for gas cylinders which includes a valve housing 11, a movable valve stem 11a within the valve housing for opening and closing the valve, a restrictor 15 in the valve stem through which gas is dispensed from the gas cyli... | 10/10/1995 |
| 5388613 | Valve with pressure compensation A valve with pressure compensation via two valve bodies (9, 10), which are arranged on a connecting rod (11 ) in the same direction, and which come to lie on the corresponding valve seats (7, 8) in the closed position in the same direction via deforming z... | 02/14/1995 |
| 5271430 | Flow rate control valve device and flow force reduction structure A flow rate control valve device for controlling and then supplying fluid under pressure to an actuator such as an hydraulic cylinder or the like which includes a valve body having a drain port kept at a low pressure and a main spool slidably mounted in t... | 12/21/1993 |
| 5261453 | Valve provided with sound-reducing means A valve provided with sound-reducing means, which sound-reducing means comprise a porous member.... | 11/16/1993 |
| 5168898 | Valve apparatus A valve apparatus which contains two valve bodies oriented behind one another on a tappet. The first valve body, together with a first valve seat, forms a first valve and the second valve body, together with a second valve seat, forms a second valve. With... | 12/08/1992 |
| 5147333 | Needleless injection port with automatic backcheck valve A needleless injection port and automatic backcheck valve comprises a generally tubular body having a pair of vertically offset ports extending laterally therefrom, and a spool within the bore for controlling communication between the ports. The spool is ... | 09/15/1992 |
| 5057214 | Filtration and backwash control system for water filters associated with spigot faucets A filtration and backwash control system for use with replaceable cartridge filters including a spool valve for controlling the flow of filtered water and backwash discharge from an existing faucet spigot having cold water and hot water faucets. The valve... | 10/15/1991 |
| 5010923 | Structure of an electromagnetic valve for opening and closing a fluid flow passage A structure of an electromagnetic valve for opening and closing a passage of a fluid flow which is applicable to a air suspension system of a vehicle. The electromagnetic valve includes a plunger linked with an armature, a first valve attached to the plun... | 04/30/1991 |
| 4898427 | Neutral stop device A neutral stop device is provided which prevents the accidental lowering of a truck bed when the spool of the hydraulic valve system is positioned in a neutral location and any force acts on a pull-out cable running from the spool to the truck bed. A stop... | 02/06/1990 |
