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| Number | Title | Issue Date |
| 8128005 | Fuel injector The invention relates to a fuel injector comprising an injector housing having a pressure chamber from which fuel subjected to a high pressure is injected into a combustion chamber of an internal combustion engine when the pressure in a control chamber expands into ... | 03/06/2012 |
| 7971802 | Fuel injector A fuel injector comprising a nozzle having a nozzle needle which is moveable with respect to a first needle seat to control fuel delivery through a nozzle outlet. The injector includes a nozzle control valve for controlling fuel flow into a control chamber through a... | 07/05/2011 |
| 7954729 | Metering servovalve and fuel injector for an internal combustion engine A metering servovalve for a fuel injector of an internal combustion engine has an electro-actuator and a fixed valve body, which defines a control chamber communicating with an inlet and with an outlet channel. The outlet channel has at least one calibrated restrict... | 06/07/2011 |
| 7926737 | Fuel injector having directly actuatable injection valve element A fuel injector for an internal combustion engine is proposed having a directly actuatable injection valve element. The fuel injector has a nozzle needle, axially guided in a nozzle body, and an actuator accommodated in an injector housing. The nozzle needle is conn... | 04/19/2011 |
| 7891579 | Gaseous fuel injector using liquid fuel as lubricant and pressure-transmitting medium A fuel injector injects high-pressure gaseous fuel directly into a cylinder of an engine. A small amount of liquid fuel is used in the injector to lubricate sliding portions of the fuel injector in addition to utilizing it as a medium for transmitting driving force.... | 02/22/2011 |
| 7793862 | Fuel-control servo valve, and fuel injector provided with such servo valve A servo valve (7) for fuel control is provided with an actuator (14) and a valve body (8, 28), which is set in a fixed position and has a stem (33) that extends along a longitudinal axis (3) and defines an internal passage (26 | 09/14/2010 |
| 7784711 | Metering servovalve and fuel injector for an internal combustion engine A fuel injector and servovalve for an internal combustion engine. In one embodiment, the fuel injector comprises a casing; a balanced metering servovalve in the casing that controls movement of an injection control rod along an axial cavity; said servovalve having; ... | 08/31/2010 |
| 7770818 | Fuel injection valve A fuel injection valve includes a housing having a wall surface on an opposite side of the nozzle hole. A fuel passage opens in the wall surface, and communicates with a nozzle hole through a nozzle cavity. The nozzle cavity accommodates a valve element. A cylinder ... | 08/10/2010 |
| 7740187 | 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, 48) which is opened/closed by ... | 06/22/2010 |
| 7644874 | Injector In an injector, a first shaft portion of a needle is slidably supported by a first sleeves which is loosely received in a first internal chamber, and a second shaft portion of the needle is slidably supported in a body. Thereby, the first and second shaft portions a... | 01/12/2010 |
| 7591436 | Fuel injection valve for internal combustion engines The movement of an injection valve member, which can be longitudinally displaced and guided in a housing and which is used to close and release injection openings, is controlled of a hydraulic control device which comprises a control body which is maintained in a ce... | 09/22/2009 |
| 7568634 | Injection nozzle An injection nozzle for use in delivering fuel to an internal combustion engine includes an outer valve (24) which is engageable with an outer valve seat (38) so as to control fuel delivery into the engine through a first nozzle outlet (26) and ... | 08/04/2009 |
| 7527210 | Fuel injector for an internal-combustion engine The fuel injector comprises a hollow casing, fixed on which is a nozzle having a nebulizer for the fuel under pressure, a needle axially mobile for opening and closing the nebulizer by means of a first end thereof, and a control rod, substantially coaxial with the n... | 05/05/2009 |
| 7513441 | Valve for controlling a connection in a high-pressure fuel injection apparatus for an internal combustion engine Disclosed is a valve comprising a valve member (72) that is guided so as to be movable in the direction of the longitudinal axis (73) thereof, extends into a valve pressure chamber (77), and is provided with a sealing surface (81) on a fa... | 04/07/2009 |
| 7464882 | Fluid injection valve The fluid injection valve has a first and second valve bodies fastened to each other, to bring a first end face of the first valve body into an intimate contact with a second end face of the second valve body. A first fluid passage in the first valve body is communi... | 12/16/2008 |
| 7438238 | Gaseous fuel injector The injector includes a nozzle, a needle, a control chamber, a working fluid supply passage, an electric switching valve, a high-pressure gaseous fuel supply passage and a lubrication liquid fuel supply passage. The nozzle has an injection hole, through which high-p... | 10/21/2008 |
| 7419103 | Fuel injector with direct needle control for an internal combustion engine A fuel injector with direct needle control has a nozzle needle guided in a nozzle body, and an actuator and a hydraulic pressure boosting unit that has an actuator pressure boosting piston connected to the actuator and a nozzle needle pressure boosting piston connec... | 09/02/2008 |
| 7415969 | Fuel injector having recessed check top A fuel injector for a machine is disclosed. The fuel injector has a nozzle member with a first end and a second end. The first end of the fuel injector has at least one orifice. The fuel injector also has a control chamber located at the second end of the nozzle mem... | 08/26/2008 |
| 7406945 | Common rail system with pressure amplification A fuel system includes a fuel rail that communicates fuel at a first pressure through a fuel amplifier to a fuel injector. The fuel pressure amplifier increases the pressure from the first pressure to a second pressure. The second pressure is higher than the first p... | 08/05/2008 |
| 7398933 | Injection valve An injector, in particular an injector for a combustion engine, includes at least one nozzle module which has an injection nozzle and a supply line for a fluid under a supply pressure, and a valve-control module, which is in operative connection with the nozzle modu... | 07/15/2008 |
| 7398765 | Fuel injection device of internal combustion engine A fuel injection device has a two-way control valve driven by a two-position actuator. The control valve directly controls oil pressure in a back pressure chamber to control an injection operation of an injection nozzle. A two-position three-way flow passage switchi... | 07/15/2008 |
| 7370636 | Fuel injection system A fuel injector (1) in an internal combustion engine, wherein an intermediate chamber control valve (26) operated by the fuel pressure in a common rail (2) is arranged in a fuel flow passage (25) connecting a two-position switching type t... | 05/13/2008 |
| 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 |
| 7347385 | Fuel injection device with a 3-way control valve for configuring the injection process A fuel injection device for internal combustion engines, having a control valve located between high-pressure and low-pressure sides and which opens or blocks the communication of a control chamber with the low-pressure side, and an outlet throttle located between t... | 03/25/2008 |
| 7334741 | Fuel injector with injection rate control A closed nozzle fuel injector is provided which effectively controls the fuel injection flow rate, especially during an initial portion of an injection event, while also permitting accurate control over pilot and/or post injection flow rates at all operating conditi... | 02/26/2008 |
| 7334570 | Common rail fuel injection system with accumulator injectors A fuel injection system for an internal combustion engine includes a common rail, a plurality of accumulator injectors, and at least one accumulator controller separate from the accumulator injectors and connected to the common rail. Each accumulator controller incl... | 02/26/2008 |
| 7331537 | Fuel injection valve for internal combustion engines A fuel injection valve for internal combustion engines, having a valve body (1) in which a bore (3) is embodied that is defined on its end toward the combustion chamber by a valve seat (18) at which at least one injection opening (20) ori... | 02/19/2008 |
| 7331329 | Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same Reducing leakage within fuel injectors is one way in which the efficiency of the overall fuel injection system can be improved. In most fuel injectors that include a direct control needle valve, the needle valve member is still biased toward a closed position by a s... | 02/19/2008 |
| 7320441 | Injection nozzle The present invention relates to an injection nozzle (1) for an internal combustion engine, in particular in a motor vehicle. A first nozzle needle (3) controls at least one first injection opening (5). A second nozzle needle (4) controls... | 01/22/2008 |
| 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 |
| 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 |
| 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 |
| 7290530 | Fuel injection device A fuel injection system having an injection valve, a line supplying fuel at high pressure to the injection valve a control valve controlling the pressure in a control chamber communicating with the line. The control valve has a movable valve part is actuatable by an... | 11/06/2007 |
| 7284712 | Injector having structure for controlling nozzle needle A valve back pressure chamber is provided to exert a back pressure of a first valve needle. Furthermore, a hydraulic pressure passage is provided to extend through the valve back pressure chamber. A valve body is provided to a second valve needle and is driven to co... | 10/23/2007 |
| 7278593 | Common rail fuel injector A common rail fuel injector comprises a three-way control valve that controls the flow of high-pressure fuel to a fuel cavity for fuel injection. Specifically, when the control valve is transitioning to a first, on position, from a second, off position, high-pressur... | 10/09/2007 |
| 7275520 | Fuel injection device A fuel injection device has an injection valve, a line that supplies highly pressurized fuel to the injection valve during operation, a control valve that controls the pressure in a control chamber of the injection valve, which chamber is connected to the line, and ... | 10/02/2007 |
| 7270108 | Opposed piston, homogeneous charge pilot ignition engine An engine of the opposed piston, two-stroke, compression ignition type includes provision for injection of a main charge of liquid fuel into the bore of a cylinder between opposed pistons early in a compression stroke to permit the fuel to evaporate and mix with air... | 09/18/2007 |
| 7267096 | Fuel injection device for an internal combustion engine A fuel injection device for an internal combustion engine has a housing that contains a recess, which in turn contains two valve elements that are disposed coaxial to each other and each cooperating with a corresponding valve seat and are each associated with corres... | 09/11/2007 |
| 7258283 | Fuel injector with direct needle control for an internal combustion engine A fuel injector with a direct needle control for an internal combustion engine, having an actuator, a hydraulic booster, and a nozzle needle guided in a nozzle body and acting on a nozzle needle sealing seat. The hydraulic booster includes a booster piston connected... | 08/21/2007 |
| 7255289 | Fuel injector for an internal-combustion engine A fuel injector (1) for an internal-combustion engine has a shell (2) provided with two opposite terminal portions; the first terminal portion (4) has an inlet (7) for supply of the fuel and is generally designed to extend outside the eng... | 08/14/2007 |
