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| Number | Title | Issue Date |
| 7959128 | Hydraulic directional valve An electromagnetic actuating unit (10) of a hydraulic directional control valve (9) is provided having an armature (18) which is arranged such that it can be axially displaced within an armature space (30), and includes a pole core (29... | 06/14/2011 |
| 7866627 | 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... | 01/11/2011 |
| 7857282 | Solenoid valve A solenoid valve has a valve closure member (5) which is positioned in a self-centering manner about a center of rotation (D) between the valve tappet (4) and the valve seat (14). ... | 12/28/2010 |
| 7771888 | Anode air purge valve design A purge valve for a split fuel cell stack design that prevents a direct flow path between the anode sides of the split stacks. The purge valve includes an inlet port that receives purge air from a compressor, a first outlet port in fluid communication with the anode... | 08/10/2010 |
| 7669831 | Electrically controllable valve A controllable valve includes an axial working air gap arranged on a side of magnet armature that cooperates with a valve closure member the side facing away from the valve closure member so that upon electric actuation of the actuating drive, the valve closure memb... | 03/02/2010 |
| 7597305 | Poppet valve device and electronic controlled fuel injection apparatus equipped with the device A poppet valve device includes a plurality of axial passages of substantially the same diameter and length communicating with a high-pressure room formed inside a valve seat member between a poppet valve body and the valve seat member. The passages are located adjac... | 10/06/2009 |
| 7418931 | Electromagnetically driven valve An electromagnetically driven value includes a valve element that has a valve stem and that reciprocates in a direction in which the valve stem extends; a disc that extends from a driving end, which is operatively linked with the valve stem, to a pivoting end, and t... | 09/02/2008 |
| RE40439 | Method to control electromechanical valves A system for controlling electromechanical of an internal combustion has a valve-closing electromagnet for attracting the armature coupled to the valve to close the valve, a valve-opening electromagnet for attracting the armature to open the valve, a valve-opening s... | 07/22/2008 |
| 7360750 | Piezoelectric air valve and multiple-type piezoelectric air valve The air valve includes a valve body for controlling operations to open and close the communication between an air pressure chamber and an air outlet, a piezoelectric element for generating driving force in the form of displacements, and a displacement enlarging mech... | 04/22/2008 |
| 7325564 | Linear solenoid valve A linear solenoid valve includes a solenoid having a coil wound around a coil bobbin, a fixed core, and a movable core for being attracted to the fixed core when the coil is energized, and a valve mechanism having a valve element for selectively bringing an inlet po... | 02/05/2008 |
| 7322562 | Shut-off valve providing pressure equalization In accordance with the teachings of the present invention, a shut-off valve is disclosed that has particular application for opening and closing a high pressure compressed gas storage tank. In one embodiment, the valve includes a single sealing member and a bellows.... | 01/29/2008 |
| 7305914 | Hydraulic actuator control valve An actuator includes a piston within a cylinder, the cylinder having a first fluid port in communication with an open side of the piston, and a second fluid port in communication with a shaft side of the piston. The piston travels in a first direction, toward the sh... | 12/11/2007 |
| 7303177 | Actuator arrangement and fuel injector incorporating an actuator arrangement An actuator arrangement for use in a fuel injector of an internal combustion engine includes an inner core (30) comprising a plurality of laminates (30a) and a first outer pole (32) for receiving at least a part of the inner core (30 | 12/04/2007 |
| 7264223 | Flow rate control apparatus A flow rate control valve comprises a rotary driving source which is rotated by a control signal, a movable member which is displaceable by the aid of a transmitting shaft under a rotary action of the rotary driving source, a valve mechanism which is connected to th... | 09/04/2007 |
| 7249579 | Enhanced permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine A valve actuator for an internal combustion engine is described having a core having a wound coil located therein, said core further having at least one permanent magnet located at least partially inside or outside said coil and positioned at an angle relative to a ... | 07/31/2007 |
| 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 |
| 7246787 | Solenoid valve assembly A valve assembly comprised of a solenoid coil, having a coil bore, and being operative to produce a magnetic field when subject to an electric signal, a fixed magnetic pole piece within the coil bore, a generally cylindrically and axially translatable armature with ... | 07/24/2007 |
| 7243899 | Valve arrangement An electromagnetic valve arrangement with a valve element having least one part disposed in a valve chamber defined by a valve insert in the region of a valve seat. An end facing away from the valve chamber of the valve element is operatively connected to an armatur... | 07/17/2007 |
| 7222603 | Subunit for an additional control valve device used for an intake pipe of a reciprocating internal combustion engine Disclosed is a subunit having a hollow cylinder which is provided with an opening on at least one face and in which a spring bearing is arranged on the inside of the face and a first valve spring resting against said spring bearing. A shaft that is guided within the... | 05/29/2007 |
| 7210749 | Vehicle braking system with proportional poppet valve pressure control strategy An electrohydraulic brake system where brake pressure is controlled by the combined action of an apply valve and a dump valve by the implementation of a method of controlling the voltage applied to the apply and dump valve. The EHB pressure control system receives a... | 05/01/2007 |
| 7204210 | Reducing power consumption and noise of electrically actuated valves A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, armature levitation is strategically used during a cycle of a cylinder. The method can reduce fuel consumption and power supply requirements, a... | 04/17/2007 |
| 7182051 | Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator An electromechanical valve actuator for internal combustion engines, equipped with a polarized electromagnet and with a magnetic plate switches between a first position close to the electromagnet and a second position remote from the electromagnet, the switching tim... | 02/27/2007 |
| 7172169 | Actuating device An actuating device for regulating a control mechanism which is subject to a force against the direction of regulation. The actuating device includes a drive device which has a drive shaft and is connected in a moveable manner to a rotating spindle, by which means a... | 02/06/2007 |
| 7168679 | Electromagnetic valve An electromagnetic valve comprising has a valve seat, a valve element movable relative to the valve seat so as to open or close a hydraulic fluid passage interposed therebetween and a plunger movable together with the valve element relative to the valve seat, wherei... | 01/30/2007 |
| 7165518 | Adjusting valve lash for an engine with electrically actuated valves A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, armature levitation position may be changed to accommodate varying rates of valve stem growth. The method may reduce valve noise during a wide ... | 01/23/2007 |
| 7156076 | Fuel injection device for an internal combustion engine A fuel injection apparatus having a fuel supply pump supplying fuel to a high-pressure pump which delivers fuel into a reservoir with a metering device for adjusting the fuel quantity delivered into the reservoir; the metering device has a control valve triggered by... | 01/02/2007 |
| 7134639 | Latching micro-regulator A latching microregulator for regulating liquid flow on micro-scale levels comprises a substrate having an inlet port and an outlet port, a valve element defining a valve chamber for opening and closing the inlet port, and an actuator assembly for actuating the valv... | 11/14/2006 |
| 7131179 | Mounting structure and method of mounting a component in a structure A main body 110 of a component comprises a projection 120 protruding from an axis thereof in the direction of a normal, a fitting shaft portion 111 to be fitted into an opening 811 of a structure 810, and a mounting plate portion | 11/07/2006 |
| 7131426 | Fluid flow rate control valve, anchor for mover and fuel injection system To effectively prevent uneven wear of a moving mover 70 and to stabilize the control characteristics by a valve. Rotation force is exerted to the mover 70 by the fluid flowing from the first chamber to the second chamber, or vice versa, which are forme... | 11/07/2006 |
| 7124720 | Permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine A valve actuator for an internal combustion engine is described having a core having a wound coil located therein, said core further having at least one permanent magnet located at least partially inside said coil and positioned at an angle relative to a direction o... | 10/24/2006 |
| 7121553 | Bushing for a hydraulic valve A bushing for a hydraulic valve has a bushing wall having openings allowing passage of a hydraulic medium to and from an interior of the bushing. The openings have an opening wall that at least across a portion of a circumference of the opening wall is formed as a m... | 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 |
| 7089894 | Electromechanical valve actuator assembly A lever electromechanical valve actuator assembly and arrangement of electromechanical valve actuators that creates a compact actuator assembly to increase ease of serviceability, provide space for engine components and eliminate interference between the actuators a... | 08/15/2006 |
| 7086636 | Gaseous fluid metering valve The present invention is directed to an exhaust gas recirculation valve incorporating a DC motor and a dual poppet valve assembly. A motor is contained inside of the actuator housing. The motor has a rotatable motor shaft with a first gear connected to the end of th... | 08/08/2006 |
| 7080615 | System and method for actuating an engine valve An engine valve actuation system is provided that includes an engine valve that is movable between a first position where the engine valve prevents a flow of fluid and a second position where the engine valve allows a flow of fluid. A cam assembly is operatively con... | 07/25/2006 |
| 7077380 | Capacity control drive A capacity control valve is inserted in a flow path connecting a discharge chamber and a crank chamber of a variable capacity compressor and provided with a valve unit and a drive unit. The valve unit has a valve element for opening/closing the flow path or a valve ... | 07/18/2006 |
| 7073771 | Porous valve assembly A valve assembly for controlling the flow of a predetermined fluid, including a tube having an open end forming an outlet port, and wherein the tube is made of a material that is porous with respect to the predetermined fluid, an outer wall forming a fluid chamber c... | 07/11/2006 |
| 7069137 | Valve flow metering control system and method A turbine valve control system is provided. The turbine valve control system includes a variable flow metering device, a first sensor, a second sensor, a third sensor, a fourth sensor, memory, and processing circuitry. The variable flow metering device is capable of... | 06/27/2006 |
| 7055793 | Valve with compact actuating mechanism The present invention relates to a valve having a base body with a passage opening, a movable valve member for closing and opening the passage opening and an actuating mechanism for moving the valve member in order to open the passage opening. The actuating mechanis... | 06/06/2006 |
| 7040594 | Solenoid valve When a plunger moves toward a side of a valve seat, an end face of a sealing member on a space side is separated from a surface of a seal housing groove, whereby a portion between a communication passage formed on an inner peripheral side of the sealing member is co... | 05/09/2006 |
