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| Number | Title | Issue Date |
| 8136741 | Fuel injection device for an internal combustion engine using direct fuel injection Disclosed is a fuel injection device comprising a housing and a valve element disposed therein and cooperating with a valve seat located in the area of at least one fuel discharge port. The valve element is composed of several parts while at least two parts of the v... | 03/20/2012 |
| 8100345 | Fuel injection device A needle is forced to open an injection hole by reducing a pressure of fuel in an injection control chamber to thereby inject fuel stored in a fuel storage, while the needle is forced to close the injection hole by increasing the pressure of fuel in the injection co... | 01/24/2012 |
| 7568633 | Digital fuel injector, injection and hydraulic valve actuation module and engine and high pressure pump methods and apparatus Digital fuel injector, injection and hydraulic valve actuation module and engine and high pressure pump methods and apparatus primarily for diesel engines. The digital fuel injectors have a plurality of intensifier actuation pistons allowing a selection of up to sev... | 08/04/2009 |
| 7500618 | Valve device, pressure regulator, carriage, liquid ejecting apparatus and method for manufacturing valve device A valve device has a pressure chamber, which is connected to a liquid inlet and a liquid outlet and retains liquid, and a pressure regulator decreasing the pressure in the pressure chamber to a predetermined level. The pressure regulator has a pressure receiving mem... | 03/10/2009 |
| 7364099 | Fuel injection device for an internal combustion engine A fuel injection device for an internal combustion engine includes a housing and at least one valve element which cooperates with a valve seat on an injection end of the housing. A plurality of fuel outlet conduits in the housing are associated with the valve elemen... | 04/29/2008 |
| 7353805 | Fuel injector pump with trapped volume A pumping system (10) for a fuel injection system including a pump body defining a pumping chamber, a plunger (14), a high-pressure outlet, a high-pressure fluid line (18) connecting the pumping chamber to the outlet and a trapped volume (20 | 04/08/2008 |
| 7337986 | Fuel injection valve In a fuel injection valve for slanted fuel injection, provided between a conical flow path and an injection port is an intermediate flow path having a cylindrical surface coaxial to the conical flow path, so that the injection port has a portion of the cylindrical s... | 03/04/2008 |
| 7318416 | Liquid fuel pump A liquid fuel system for an internal combustion engine includes a fuel supply line, a fuel pump connected to the supply line and having an outlet to a carburetor or a liquid fuel injector. A mechanical contact between the pump and a component of the internal combust... | 01/15/2008 |
| 7318417 | Injection unit and injection method for an internal combustion engine An injection unit has an injector arrangement connected to a pressure reservoir by a pressure line arrangement The injector arrangement has at least one servo injection valve and a control valve for the release of fuel from a control chamber into a fuel return line ... | 01/15/2008 |
| 7316361 | Control valve with pressure compensation for a fuel injector comprising a pressure intensifier A fuel injector with a pressure booster supplied with fuel at high pressure. A work chamber of the pressure booster is separated from a differential pressure chamber via a booster piston. The pressure relief and the subjection to pressure of the differential pressur... | 01/08/2008 |
| 7309027 | Fuel injector for internal combustion engines A fuel injector for injecting fuel that is at high pressure into a combustion chamber of an internal combustion engine has an injection valve member triggered by an actuator and a coupler chamber; the actuator acts on the injection valve member and the injection val... | 12/18/2007 |
| 7252245 | Fuel injection valve A fuel injection valve includes a valve member, a first stop member, a second stop member, a movable core, a fixed core, and a coil. The valve member opens and closes an injection nozzle. The first stop member protrudes radially outward from said valve member. The s... | 08/07/2007 |
| 7240856 | Fuel injection control device This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it to the fuel injection valve; a magnetostrictive element which drives ... | 07/10/2007 |
| 7225996 | Fuel supply method and fuel supply system for fuel injection device A fuel injection device includes a fuel injection unit provided with a plurality of fuel injection members. The fuel injection unit is held by a holding-and-supplying unit. The fuel injection members are connected to the holding-and-supplying unit by a connecting-an... | 06/05/2007 |
| 7216815 | Control valve for a fuel injector comprising a pressure exchanger A servo-valve for a fuel injector equipped with a pressure booster whose working chamber is separated from a differential pressure chamber by a booster piston in which an actuator can connect a control chamber to a first low-pressure return and the differential pres... | 05/15/2007 |
| 7210639 | Servo-valve-controlled fuel injector A fuel injector having an injection valve connected to a high-pressure source and a control valve including a control piston guided in a valve body and comprising a pressure piston section having a first pressure surface guided in a bush and a control piston section... | 05/01/2007 |
| 7204433 | Method of manufacturing a fuel injection valve A fuel injection valve has: a tubular body, a valve seat member, a valve body, a core tube, a bias spring, and an electromagnetic actuator. The core tube is press fitted into the tubular body. The core tube has a first end side opposing an absorption section of the ... | 04/17/2007 |
| 7198202 | Differential expansion absorption mechanism and fuel injection valve comprising same The present invention provides a fuel injection valve which moves a needle valve (10) via a viscous fluid and a piston (7) by having an actuator (9) move a cylinder (3). The fuel injection valve comprises a sealing member (27) for ... | 04/03/2007 |
| 7188782 | Fuel injector provided with a servo leakage free valve A fuel injector having a pressure booster whose booster piston separates a working chamber, which is continuously acted on with fuel by means of a pressure source, from a differential pressure chamber that can be pressure-relieved; a pressure change in the different... | 03/13/2007 |
| 7185828 | Hydraulic control device, system and method for controlling actuator device A supplying unit supplies energy to an actuator so that the supplied energy is kept therein, making displacement the actuator. An interrupting unit interrupts the supply of energy to cause the actuator to discharge the kept energy, making displacement the actuator. ... | 03/06/2007 |
| 7143966 | Fuel injector A fuel injector for the direct injection of fuel, especially into the combustion chamber of a mixture-compressing internal combustion engine having external ignition, is located in a cylinder head of the internal combustion engine in a receiving bore of the cylinder... | 12/05/2006 |
| 7121476 | Fuel injection device A fuel injection device, which has: a nozzle needle, guided displaceably in a nozzle body, which as a function of its position opens or closes at least one injection opening, in which a control chamber, to which fuel can be delivered under pressure via an inlet thro... | 10/17/2006 |
| 7108201 | Injection valve The injector tip of an injection valve which injects directly into the combustion chamber protrudes therein, thereby incurring the risk that combustion residues can become deposited on the injector tip. When the injection valve is in a closed state, the possible att... | 09/19/2006 |
| 7104464 | Fuel supply method and fuel supply system A fuel supply method for a fuel injection device including a fuel injection unit, comprising: supplying fuel to a first fuel injection member of the fuel injection unit through a first fuel supply passage internally formed in a holding-and-supplying unit holding the... | 09/12/2006 |
| 7100579 | Fuel injection device Fuel injection equipment is provided which realizes characteristics of fuel injection proper for all over the operation range of an engine, can further reduce nitrogen oxide(NOx) emission, and is high in mechanical durability. The fuel injection equipment for an int... | 09/05/2006 |
| 7097114 | Fuel injector adapted to remove deposits by sonic shock The present disclosure provides a self-cleaning injector nozzle or other fluid conduit that maintains deposits at a low level by sonic tuning the shock wave generated during fluid flow through that nozzle or conduit. Methods of producing an injector nozzle and a met... | 08/29/2006 |
| 7025285 | Fire sprinkler flow control device A fire sprinkler discharge control device for preventing fluids from being emitted from a fire sprinkler without having to turn off a fluid supply to the fire sprinkler. The control device may be formed from one or more bladders adapted to contain a fluid and one or... | 04/11/2006 |
| 6997392 | Injection valve comprising a pump piston The invention relates to an injection valve (1) comprising a booster piston (23), said piston delimiting a pump chamber (22) and a booster chamber (29). A valve (14) is provided in the inlet to the chamber (22). The valve is... | 02/14/2006 |
| 6981653 | Fuel injection device for an internal combustion engine A fuel injection system having a high-pressure fuel pump connected to a fuel injection valve for each cylinder of an internal combustion engine in which the high-pressure fuel pump has a piston defining a working chamber communicating with a pressure chamber of the ... | 01/03/2006 |
| 6976638 | Fuel injection system for an internal combustion engine A fuel injection system having one high-pressure fuel pump and one fuel injection valve communicating therewith for each engine cylinder. A piston of the fuel pump defines a work chamber which communicates with a pressure chamber of the fuel injection valve, which v... | 12/20/2005 |
| 6974093 | Fuel injection device A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve... | 12/13/2005 |
| 6974089 | Injector An injector has two interconnected main sections, a body section and an injector section. The injector section is connected to the body section by way of a form lock, and the connection is produced by a partial material connection. The injector is preferably suitabl... | 12/13/2005 |
| 6969009 | Injector, especially fuel injection valve, with a piezoelectric actor The jacket surface of the piezoelectric actor body (1) is surrounded by an injector housing (9), maintaining an intermediate space and is cooled by direct contact with an inert fluid which does not conduct electricity (6), forming a fluid space ... | 11/29/2005 |
| 6913212 | Oil activated fuel injector control with delay plunger An oil activated fuel injector which provides a pilot quantity of fuel prior to the main fuel injection event. The oil activated fuel injector includes a throttle which provides fluid communication between the high pressure chamber and a fuel bore which leads to the... | 07/05/2005 |
| 6908040 | Unit injector with stabilized pilot injection A unit injector assembly is provided that helps to ensure maximum injection flow while minimizing the harmful affects of pressure waves within the unit injector assembly. The unit injector assembly has a first fuel passageway extending from the plunger piston pumpin... | 06/21/2005 |
| 6840466 | Hydraulic control valve and fuel injector using same A hydraulic control valve for a fuel injector for an automotive engine, which includes a piezoelectric actuator and a hydraulic valve mechanism. The hydraulic valve mechanism converts a mechanical deformation of the piezoelectric actuator produced as a result of app... | 01/11/2005 |
| 6811103 | Directly controlled fuel injection device for a reciprocating internal combustion engine The invention relates to a fuel injection device for a reciprocating internal combustion engine, comprising a nozzle part (5) with an injection nozzle (13), said nozzle part having a pressure chamber (10) in which a nozzle needle (9) that... | 11/02/2004 |
| 6808124 | Fuel injection system for an internal combustion engine The fuel injection system has one high-pressure fuel pump and one fuel injection valve for each cylinder of the engine. A pump work chamber can be made to communicate with a pressure chamber of the injection valve which has a valve member movable in an opening direc... | 10/26/2004 |
| 6802455 | Atomizer The present invention provides a simple fluid atomizer having a pair of spring loaded sealing elements such that the pressure required to open both seals is the sum of the spring constants of each of the sealing elements. A central cavity is sealed at both its entry... | 10/12/2004 |
| 6758417 | Injector for a common rail fuel injection system, with shaping of the injection course A common rail injector is proposed which offers great freedom in designing the course of the preinjection main injection and of the injection pressure. Moreover, it offers improved security against leaks into the combustion chamber, caused for instance by a leaking ... | 07/06/2004 |
