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| Number | Title | Issue Date |
| 8128060 | Non-sliding solenoid valve A non-sliding solenoid valve has an armature supported by a spring for movement with no sliding contact with other valve surfaces. An inner perimeter of the spring is snapped into position adjacent to an inner perimeter reference surface on the armature. An outer pe... | 03/06/2012 |
| 8083206 | Precision ground armature assembly for solenoid actuator and fuel injector using same A solenoid actuator includes a hard guide piece and a soft flux piece. The hard guide piece has a stop surface ground to create a final air gap distance between the soft flux piece and a stator assembly when the stop surface on the guide piece is in contact with the... | 12/27/2011 |
| 8020834 | Method for obtaining a fuel injector for an internal-combustion engine, and an injector made according to said method A fuel injector for an internal-combustion engine comprises an injector body and an injection-control valve, which in turn comprises: an open/close element; an elastic thrust element for pushing the open/close element; and a solenoid actuator, which can be actuated ... | 09/20/2011 |
| 7954787 | Fuel injector with balanced metering servovalve, for an internal combustion engine The injector comprises a balanced metering servovalve to control a rod for the opening/closing of a nozzle. La servovalve has a valve body with a control chamber radially delimited by a tubular portion and fitted with an outlet passage that is opened/closed by an ax... | 06/07/2011 |
| 7900886 | Valve assembly having a washer A valve assembly is disclosed. The valve assembly has a housing having a first recess disposed on an interior surface of the housing and at least one valve-supporting element disposed within the housing. The valve assembly also has a washer disposed within the housi... | 03/08/2011 |
| 7857283 | Solenoid valve assembly for a combustible gas supply device to an endothermic engine A solenoid valve assembly for a combustible gas supply device to an endothermic engine is disclosed. The solenoid valve assembly includes a solenoid valve with at least one combustible gas outlet and an armature controlled by an electromagnet, the armature having an... | 12/28/2010 |
| 7819379 | Attachment of an armature to a valve needle in a fuel injector control valve The armature (16) of a solenoid operated fuel injector control valve (10) is attached to the valve needle (14) by a swaging process where the valve body (12) functions as the guide and the anvil for the swaging press. ... | 10/26/2010 |
| 7766303 | Electromagnetic valve apparatus The force to draw an armature of an electromagnetic valve apparatus driving a valve for opening or closing a high-pressure liquid passage is increased and valve bouncing is alleviated by a surface of the core being flat and a surface of the armature facing the surfa... | 08/03/2010 |
| 7651069 | Electromagnetic actuators A valve comprises an electromagnetic actuator including a solenoid. The solenoid includes at least one core and an anchor plate. The solenoid further comprises at least one coil disposed within the core and connected to a set of power electronics to supply current t... | 01/26/2010 |
| 7571891 | Solenoid valve A solenoid valve for a fuel injection valve with an internal space is disclosed. Fuel is included in the internal space. The solenoid valve includes a magnet coil that forms an electromagnet when energized. The solenoid valve also includes a stator that is magnetize... | 08/11/2009 |
| 7547000 | Valve coupling system A method for coupling a valve member to an armature member includes coupling the valve member to a surface of a bore of the armature member. The valve member contacts the armature member over less than an entire axial thickness of the surface of the bore of the arma... | 06/16/2009 |
| 7520488 | Poppet-type two-port solenoid valve A two-port solenoid valve, which opens and closes a valve seat by operating a tabular valve member by using electromagnetic force and fluid pressure, capable of improving the responsiveness when the valve member closes the valve seat by the action of the fluid press... | 04/21/2009 |
| 7516940 | Electromagnetic actuators A valve comprises an electromagnetic actuator including a solenoid. The solenoid includes at least one core, wherein the core is an “E” shaped core or a “U” shaped core and an anchor plate. The solenoid further comprises at least one coil disposed within the... | 04/14/2009 |
| 7464912 | Method for obtaining a fuel injector for an internal-combustion engine, and an injector made according to said method A fuel injector for an internal-combustion engine comprises an injector body and an injection-control valve, which in turn comprises: an open/close element; an elastic thrust element for pushing the open/close element; and a solenoid actuator, which can be actuated ... | 12/16/2008 |
| 7448592 | Poppet valve device and electronic controlled fuel injection apparatus equipped with the device A poppet valve device is composed such that a plurality of axial passages of substantially the same diameter and length communicating to a high-pressure space formed inside the valve seat member between the poppet valve body and the valve seat member are provided in... | 11/11/2008 |
| 7445193 | Solenoid-operated valve A valve seat section is formed on a valve body having first and second ports. A plate-like movable iron core is provided so that the movable iron core is capable of being seated on the valve seat section. Springs, which press the movable iron core toward the valve s... | 11/04/2008 |
| 7430996 | Electromagnetically driven valve An electromagnetically driven valve includes a valve element, a main body, a disc, and a lower electromagnetic. The valve element includes a valve stem, and is reciprocated in the direction in which the valve stem extends. The main body is provided at a position dis... | 10/07/2008 |
| 7431262 | Digital regulators Digital regulators using a plurality of latching solenoid actuators, each having a spring return, the springs being configured to provide a force on the valve member of a regulator, when the solenoid actuators are unlatched, in a binary progression. The solenoid act... | 10/07/2008 |
| 7428887 | Electromagnetically driven valve An electromagnetically driven valve includes a valve element, a main body, a disc, and a lower electromagnet. The valve element includes a valve stem, and is reciprocated in the direction in which the valve stem extends. The main body is provided at a position dista... | 09/30/2008 |
| 7418932 | Electromagnetically driven valve An electromagnetically driven valve includes multiple valve elements that have respective valve shafts and reciprocate in a direction in which the valve shafts extend; a pivoting member that extends from a driving end, which is operatively linked with the valve shaf... | 09/02/2008 |
| 7415950 | Engine valve control system and method A method of operating an engine having at least one cylinder, said cylinder including at least one electric valve actuator, said actuator including at least a coil and an armature moveable thereto, the method comprising during a non-firing state of the cylinder: hol... | 08/26/2008 |
| 7404541 | Solenoid valve A solenoid valve comprises a valve chamber between a base body and a magnet head and in the valve chamber a magnet armature functioning as a valve member is located. The actuation of the magnet armature takes place by activation of an electromagnet means, which poss... | 07/29/2008 |
| 7360751 | Magnet unit A magnet unit is provided with a solenoid with a coil whose core is attached in a recess on the front side of a base, with a movable anchor activated by a recoil spring with a valve closing element and with a protective cap attached on a shoulder of the base within ... | 04/22/2008 |
| 7357236 | Pressure relief valve actuator for hydraulic torque coupling actuator A hydraulically actuated torque coupling assembly that has an actuator plate mechanism integrated within the pressure relief valve assembly. The actuator plate includes a valve closure member and two alignment pins. The valve closure member is disposed adjacent to a... | 04/15/2008 |
| 7354027 | Bounce-free magnet actuator for injection valves The invention relates to a magnet valve for actuating a fuel injector, having a magnet core and magnet coil received in the core. A closing spring acts on the magnet armature in the closing direction. An outlet gap for an actuating fluid is formed between a face end... | 04/08/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7305943 | Electromagnet assembly for electromechanical valve actuators An electromechanical valve actuator including an electromagnet interconnected with a housing end portion and an electric coil disposed adjacent said electromagnet. The electromagnet includes a plurality of interlocked laminae to form a laminate that is similarly int... | 12/11/2007 |
| 7305942 | Electromechanical valve actuator An electromechanical valve actuator with an armature stem guidance system that ensures that the armature stem stays aligned with the valve stem during operation. The stem guidance system may also allow for adjustment of the lash gap during assembly. ... | 12/11/2007 |
| 7302970 | Liquid delivery device A micro liquid delivery device includes a flow channel for flowing a liquid, at least two pressure-generators for generating pressures provided in the flow channel, and a variable member placed between the pressure-generators and capable of transforming between a fi... | 12/04/2007 |
| 7299998 | Internal combustion engine fuel injector An internal combustion engine fuel injector (1) has a rod (10) movable along an axis (3) to open/close a nozzle, and a servovalve (7) having a control chamber (23) with a discharge passage (26) which is opened/closed by a sh... | 11/27/2007 |
| 7293550 | Fuel injector isolation seat An isolation seat assembly for a fuel injector that is at least partially disposed within a stepped bore defined by a cylinder head, the stepped bore includes a land. The isolation seat assembly includes a cupped spring washer and an elastomeric ring member disposed... | 11/13/2007 |
| 7293757 | Electromagnetic fuel injection valve An electromagnetic fuel injection valve has a rear end of a magnetic body coaxially connected to a front portion of a fixed core via a non-magnetic body. A coil assembly surrounds a rear portion of the magnetic body and the fixed core. A bobbin includes a cylindrica... | 11/13/2007 |
| 7273186 | Fuel injection device In a fuel injector (1) configured so that fuel injection is controlled by a solenoid valve (4), the solenoid valve (4) comprises an electromagnet (43), an armature bolt (41) that has a ball (42) and a plate member (41... | 09/25/2007 |
| 7252114 | Electromagnetic fluid flow control valve An electromagnetic actuator status defines two pairs of poles between which an elongate magnetisable armature can see-saw through a mid position between two home positions defined by two of the poles. A closed low reluctance path in each home position includes a per... | 08/07/2007 |
| 7249749 | Solenoid valve with 2-part fixed core A solenoid valve capable of handling a corrosive control fluid and developing an increased attraction force. The solenoid valve 1 is adapted such that a fixed core is located in a wound coil 29 and protruding through the lower surface of the coil, a pl... | 07/31/2007 |
| 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 |
| 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 |
| 7222636 | Electronically actuated valve The present invention relates to a method and apparatus for delivery of reactants to a substrate processing chamber. An electronically controlled valve assembly is provided for rapid delivery of pulses of reactants to the chamber. The valve assembly comprises a valv... | 05/29/2007 |
| 7219698 | Device for generating a mixture of reducing agent and air A device used in an exhaust gas posttreatment system of an internal combustion engine has a mixing chamber into which reducing agent controlled by a metering valve, and air under pressure, can be introduced. The mixing chamber is embodied in a mixing chamber body, w... | 05/22/2007 |
| 7219876 | Electromagnetic valve apparatus The force to draw an armature of an electromagnetic valve apparatus driving a valve for opening or closing a high-pressure liquid passage is increased and valve bouncing is alleviated by a surface of the core being flat and a surface of the armature facing the surfa... | 05/22/2007 |
