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| Number | Title | Issue Date |
| 8128061 | Capacity control valve A capacity control valve includes a solenoid portion; a tube placed in the solenoid portion; and a movable core which forms a slide surface that is fitted to the tube. An actuation rod has a joint portion and a valve body, the joint portion being engaged with an abu... | 03/06/2012 |
| 8042789 | Valve for distributing fluids A valve for distributing fluids includes a housing, a bobbin disposed within the housing having a bore, a coil disposed on the bobbin wall, and an armature disposed within the bore of the bobbin. The armature includes a point region and a main body that is integral ... | 10/25/2011 |
| 7959129 | Two-port solenoid valve A first cap is mounted at a movable iron core, a second cap holding a valve member is fitted to the first cap, capable of displacement, an biasing force F1 of an iron-core return spring biasing the movable iron core toward an initial position and an biasing f... | 06/14/2011 |
| 7828265 | Solenoid valve A valve is provided that includes a housing having an inlet, an outlet, and a valve seat therebetween. The valve includes a valve member movable towards the valve seat towards engagement with a stop, and away from the valve seat when the solenoid is energized. The v... | 11/09/2010 |
| 7762523 | Miniaturized double latching solenoid valve A valve includes a generally elongate pintle; a spacer having a rounded surface that bears against the pintle; a bulbous tip fixed to the spacer; and a hollow, generally cylindrical collar fixed to the pintle, the collar enclosing the spacer and the tip and includin... | 07/27/2010 |
| 7600738 | Output shaft coupling structure of electrically operated control valve Output shaft coupling structure of electrically operated control valve including: valve rod which is provided with valve for opening and closing fluid passage and is mounted to valve housing in such a way as to move along axial direction; and electrically controlled... | 10/13/2009 |
| 7431263 | Solenoid arrangement A solenoid arrangement includes an electromagnetic valve device having a coil disposed in a casing, and a movable armature slidably received in the coil for allowing the movable armature to be actuated by the coil to move relative to the coil and the casing, the cas... | 10/07/2008 |
| 7369023 | Method for manufacturing a magnet armature A method for manufacturing magnet armatures which are used mainly in brake-pressure modulators of electronically controlled brake systems and which are provided on their entire surface with a plastic coating, for reasons of dimensional stability and sliding properti... | 05/06/2008 |
| 7367543 | Solenoid valve for fluid flow A solenoid valve is provided that comprises a valve body having an inlet and an outlet, and a movable member for moving a valve element away from a valve seat to open the valve. The moveable member engages and moves the valve element away from the seat to an open po... | 05/06/2008 |
| 7338029 | Compact solenoid A compact solenoid including a coil and a frame located outside the coil for constituting a magnetic circuit. The frame includes four bars extending in parallel to the axial direction of the coil and located proximate to the outer circumferential face of the coil. E... | 03/04/2008 |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7263857 | Constant flow rate expansion value To reduce the degree of influence of differential pressure on a pilot valve of a constant flow rate expansion valve. The constant flow rate expansion valve comprises a restriction passage for restricting the flow rate of refrigerant introduced from a refrigerant inl... | 09/04/2007 |
| 7246632 | Normally-closed electromagnetic valve and manufacturing method for the same A normally-closed electromagnetic valve has a body member having a receiving space, a fixed core, a valve seat, a moving core, a resilient member urging the moving core toward the valve seat, a valve element and a coil exciting the fixed core to produce an attractin... | 07/24/2007 |
| 7226034 | Solenoid valve actuator A solenoid operated valve is provided that comprises an inlet, an outlet, a valve seat in the flow path between the inlet and the outlet, and a valve member slidably mounted for movement in a direction aligned with but perpendicular to the plane of the valve seat, a... | 06/05/2007 |
| 7204473 | Solenoid valve A synthetic resin cap is attached to the tip portion of a movable iron core of a solenoid operation portion, a sliding portion extending to the position of a magnetic plate is formed in the base end portion of the cap, a guiding concave step portion having a depth e... | 04/17/2007 |
| 7204434 | Fuel injector A fuel injector has an injection valve having a movable pin terminating with a shutter head; a tubular supporting body having a feed channel; and a sealing body, in which a valve seat of the injection valve is defined; the shutter head is truncated-cone-shaped, is l... | 04/17/2007 |
| 7198249 | Electromagnetic shuttle valve An electromagnetic shuttle valve with two valve passages (5, 6) provides an increased cross-section of the second valve passage (6) by increasing the diameter of the second valve closure member (8). To this end, a compression spring (17) ... | 04/03/2007 |
| 7195027 | Solenoid valve The present invention relates to a solenoid valve. The end of valve, which points away from the magnet core towards the magnet armature, bears against an area of a valve tappet remote from the valve seat. The valve tappet is positioned so that it can be displaced in... | 03/27/2007 |
| 7178553 | Leak-resistant solenoid valves A leak resistant solenoid valve comprises a valve body having an interior chamber, an inlet, an outlet, and at least one valve seat and valve plug located in the interior chamber. The valve plug has a sealing surface and is axially movable between open and closed po... | 02/20/2007 |
| 7175114 | Fuel injector A fuel injector for fuel injection systems of internal combustion engines, having a valve needle which works together with a valve seat face to form a sealing seat, has an armature acting on the valve needle. The armature is movably guided on the valve needle and is... | 02/13/2007 |
| 7165574 | Solenoid valve with cylindrical valve guide for the spherical valve element at the pressure inlet A valve device including a valve chamber having an inlet port at one end and a valve seat at the other end; a valve housing containing the valve chamber; the valve chamber accommodating a spherical valve element which performs opening and closing operation to the va... | 01/23/2007 |
| 7163188 | Solenoid valve for fluid flow A solenoid valve is provided that comprises a valve body having an inlet and an outlet, and a movable member for moving a valve element away from a valve seat to open the valve. The moveable member engages and moves the valve element away from the seat to an open po... | 01/16/2007 |
| 7156368 | Solenoid actuated flow controller valve A flow control valve for controlling the flow of fuel in a fuel system including a housing with a fuel passage, a valve device movable to close the fuel passage to block fuel flow through the fuel passage, and to open the fuel passage to permit fuel flow through the... | 01/02/2007 |
| 7131632 | Microfluidic two-way isolation valve A solenoid-operated valve design and method particularly for suited for micro-fluidic applications are disclosed. The solenoid valve contains various structure and features that provide for small dispense volumes, small internal volume, and fast operating speed. Als... | 11/07/2006 |
| 7128304 | Control valve for variable capacity compressors A control valve for a compressor with a discharge port, a chamber port, a side chamber port, an intake port, a feed hole between the discharge port and the chamber port, an extraction hole between the side chamber port and the intake port; a feed valve controls the ... | 10/31/2006 |
| 7121525 | Method of determining a clearance A method of determining timing clearance between a valve stem and a moving member using an electromagnetic actuator comprising electromagnets, an electromagnet for moving the moving member from a closed position towards an open position and an electromagnet for movi... | 10/17/2006 |
| 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 |
| 7088209 | Electromagnetic actuator for operating a final control element An electromagnetic actuator for operating a final control element has at least one solenoid which is arranged in a housing and acts upon an armature constructed of laminations oriented essentially toward control element. The control element may be a charge cycle val... | 08/08/2006 |
| 7077083 | Electro-hydraulic lost-motion valve train An electro-hydraulic lost motion system for variable valve activation including a master piston and an accumulation piston in a first bore, defining a hydraulic pressure chamber therebetween, in response to rotation of an engine cam. A slave piston in the engine hea... | 07/18/2006 |
| 7055798 | Proportional solenoid control valve A proportional solenoid control valve comprises a flat square spring which is wide in maintaining width with respect to displacement of a spring having a greater spring constant, so that accurate control of fluid is realized. The flat square spring has four tubs and... | 06/06/2006 |
| 7051960 | Fuel injection valve A fuel passage is formed through a movable core and a fixed core of a fuel injection valve. Communication passage(s) are formed in the movable core or the fixed core around the fuel passage. The communication passage(s) connect a facing space provided between the mo... | 05/30/2006 |
| 7017884 | Fluid metering valve A fluid metering valve includes a gear rack which is slidable on a valve stem in which a spring counteracts the force of an actuator to maintain a constant load on the gear mechanism to prevent backlash. Corresponding stop mechanisms between the gear and the shaft o... | 03/28/2006 |
| 7017885 | Solenoid valve In the region in which a coil and a connector are provided, the leakage of a fluid to which coil and connector is prevented by a seal member, a passage extending from the seal member to a position in the vicinity of a terminal of the connector is formed. At the time... | 03/28/2006 |
| 7000891 | Screw-in valve The invention relates to a screw-in valve comprising a screw-in component, a sleeve with at least two connection openings to which a pressure load can be alternately applied, and a valve piston held for axial displacement in the sleeve for opening and closing a flow... | 02/21/2006 |
| 6997433 | Electronic valve actuator having vibration cancellation An electronically controlled valve actuator having an armature, a valve, and a coupler for coupling the actuator to the valve with motion of the armature in a first direction moving the second piston in a second direction. The actuator includes an electromagnet, an ... | 02/14/2006 |
| 6997432 | Electromagnetic valve for controlling an injection valve of an internal combustion engine The present invention is directed to a solenoid valve for controlling a fuel injector in an internal combustion engine, having an electromagnet, an armature having an armature pin which is movably supported with respect to the electromagnet, and an armature plate su... | 02/14/2006 |
| 6994313 | Pressure control valve A pressure control valve includes a shaft hole formed through a wall surrounding a pressure detecting chamber of a body, the shaft hole being provided with a valve port, a communication shaft inserted through the shaft hole and having an end protruding from the valv... | 02/07/2006 |
| 6994060 | Control apparatus and method for variable valve A control apparatus controls an electromagnetically driven valve, which includes at least one of an electromagnetically driven exhaust valve for opening or closing an exhaust valve and an electromagnetically driven intake valve for opening or closing an intake valve... | 02/07/2006 |
| 6994234 | Electrically-operated dispensing module Electrically-operated dispensing modules capable of dispensing small volumes of a viscous liquid at high operating frequencies and reproducibly among successive dispensed volumes of viscous liquid without the occurrence of stringing. The dispensing module may includ... | 02/07/2006 |
| 6986341 | Apparatus for detecting fuel-vapor gas leaks, and vent valve apparatus applied to this apparatus An apparatus for detecting fuel-vapor gas leaks that includes a jet pump (8) that introduces outside air into and pressurizes a vapor purge system including a fuel tank (1) by gasoline flow from a fuel pump (2); an internal pressure sensor (1... | 01/17/2006 |
