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| Number | Title | Issue Date |
| 8186605 | Fluid injector A fluid injector has a valve body with a recess in which a valve needle is arranged axially movable preventing a fluid flow and being mechanically coupled to an axial end of a first spring preloaded to exert a force on the valve needle. A first armature is mechanica... | 05/29/2012 |
| 8128004 | Method and apparatus for operating an injection valve In order to operate an injection valve, a freewheeling operating state is controlled as the nozzle needle moves to its closing position, and a current through the coil is detected as a freewheeling current during freewheeling. As the nozzle needle moves to its closi... | 03/06/2012 |
| 8047452 | Method and apparatus for injecting atomized fluids Methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce emissions from an engine exhaust. The present teachings can use a whirl plate having a plurality of whirl slots surrounding an exit orifice of an... | 11/01/2011 |
| 8011600 | Fuel injector nozzle A fuel injector nozzle for use with an internal combustion engine utilizes arrangements of nozzle openings that are designed to increase fuel contact with oxygen within a combustion chamber. Nozzle openings are positioned in more than one plane substantially paralle... | 09/06/2011 |
| 7980485 | Injection valve with single disc turbulence generation A fuel injector for an internal combustion engine is disclosed. The fuel injector includes a housing, a valve seat, a metering orifice disc, and a needle. The housing has an inlet, an outlet, and a longitudinal axis extending therethrough. The valve seat is disposed... | 07/19/2011 |
| 7950593 | Z orifice feature for mechanically actuated fuel injector A mechanically actuated electronically controlled fuel injector (MEUI) includes a first electrical actuator that controls the position of a spill valve, and a second electrical actuator to control pressure on a closing hydraulic surface associated with a directly op... | 05/31/2011 |
| 7913929 | Modular outward opening piezo direct fuel injector A module, direct fuel injector (10) includes a fuel side sub-assembly (78) having valve body structure (12, 14) defining a main flow passage (16) there-through, an outlet opening (26) and a seating surface (24). A needle ( | 03/29/2011 |
| 7905425 | Modular outward opening solenoid direct fuel injector A module, direct fuel injector (10) includes a fuel module (46) having a valve body (12) defining an outlet opening (20) and including a seating surface (18). A needle 14, disposed in valve body, has a sealing surface (16... | 03/15/2011 |
| 7832656 | Fluid injector and method for manufacturing a fluid injector A fluid injector has a housing, a valve body and an actuator unit inserted into the housing. The valve body has a cartridge with a recess that takes in a needle. The valve body further has a hollow body arranged in a fixed position to the needle and forming a first ... | 11/16/2010 |
| 7815128 | Method and injection system for injecting a fluid A method for injecting a fluid, in particular a fuel, performs the following steps: A nozzle (1) which can be actuated by a piezo element (5) is provided. A current pulse (12a) is supplied to the piezo element (5). The capacity ( | 10/19/2010 |
| 7770813 | Spray penetration control method A spray penetration control method that controls penetration of fluid injected as a spray from an injector. The control method uses multiple successive injection events instead of single injection events to reduce overall spray penetration. Dwell times may be fixed ... | 08/10/2010 |
| 7770812 | Fuel injector and method for its installation A fuel injector for fuel-injection systems of internal combustion engines includes a solenoid coil, a tubular support acting as inner pole of the solenoid coil, and a filter element, the filter element being press-fitted with an outer contour of the tubular support ... | 08/10/2010 |
| 7694891 | Fuel injector with boosted needle closure Fuel injectors with boosted needle control providing controlled and rapid needle closure. Boost and drive pistons are provided for hydraulic actuation to controllably close the needle, with the boost piston reaching a mechanical stop before the needle reaches the cl... | 04/13/2010 |
| 7617991 | Injector fuel filter with built-in orifice for flow restriction Apparatus and method for substantially reducing or eliminating pressure pulsations caused by the opening and closing of fuel injectors. A preferred embodiment provides a restriction orifice adjacent the inlet end of a fuel injector filter of a respective fuel inject... | 11/17/2009 |
| 7575180 | Injection valve having a bypass throttle The invention relates to an injection valve, comprising a control chamber (15) with a control piston (16) that is functionally linked with a nozzle needle (35). The control chamber (15) is linked, via an inlet throttle (13), with p... | 08/18/2009 |
| 7481376 | Variable inductive heated injector A fuel injector for an internal combustion engine includes a valve body 14. A valve seat 18 is associated with the valve body. The valve seat defines an outlet opening 24 through which fuel may flow. An armature 38 is associated with the ... | 01/27/2009 |
| 7467749 | Methods and apparatus for injecting atomized reagent The present invention provides methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce oxides of nitrogen (NOx) emissions from diesel engine exhaust The present invention uses mechanical spill return a... | 12/23/2008 |
| 7455243 | Electronic unit injector with pressure assisted needle control An electronically controlled fuel injector includes a reduced part count and complexity over similar fuel injectors without a substantial reduction in performance capabilities. This is accomplished by using a one-piece needle that is hydraulically balanced and biase... | 11/25/2008 |
| 7422160 | Deep pocket seat assembly in modular fuel injector having axial contact terminals and methods A fuel injector and various methods relating to the assembly of the fuel injector. The fuel injector includes a power group subassembly connected to a valve group subassembly. The power group subassembly includes an electromagnetic coil, a housing, at least one term... | 09/09/2008 |
| 7387263 | Fuel injection valve of engine, fuel injection method and assembling method of the same The heating injector in which the fuel is heated within a short time when starting and the size of a fuel atomized particle is very small h as casing 10 for a fuel injection valve which supplies fuel to an engine, orifice member 50 with an orifice thro... | 06/17/2008 |
| 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 |
| 7364167 | Injector The invention relates to an injector for a common rail injection system of an internal combustion engine, having an injector housing, a valve element disposed in the injector housing, a sealing ring acting as a seal between a high-pressure region and a low-pressure ... | 04/29/2008 |
| 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 |
| 7347182 | Injector double row cluster configuration for reduced soot emissions A direct injection fuel injector system includes a fuel injector defining nozzle holes in an optimized cluster configuration. Each hole of a conventional multi-hole nozzle is replaced by two smaller, closely spaced holes in a two-hole-per-cluster configuration. The ... | 03/25/2008 |
| 7347383 | Modular fuel injector and method of assembling the modular fuel injector A fuel injector for use with an internal combustion engine. The fuel injector comprises a valve group subassembly and a coil group subassembly. The valve group subassembly includes a tube assembly having a longitudinal axis that extends between a first end and a sec... | 03/25/2008 |
| 7344090 | Asymmetric fluidic flow controller orifice disc for fuel injector A fuel injector is described. The fuel injector includes an inlet, outlet, seat, closure member, and a metering orifice disc. The metering orifice disc is disposed between the seat and the outlet. The metering orifice disc includes an outer wall having a surface tha... | 03/18/2008 |
| 7341205 | Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel An existing diesel engine vehicle of light oil fuel is enabled to run as a diesel engine vehicle using DME as fuel without exchanging a whole diesel engine and at very low cost and easily. The shape of a tip part 21 of a needle valve 2 is set by a cent... | 03/11/2008 |
| 7337768 | Multiple capillary fuel injector for an internal combustion engine A fuel injector for delivering fuel to an internal combustion engine. The fuel injector includes a fuel injector housing, a system for metering vaporized fuel to the internal combustion engine, the system positioned within the fuel injector housing, and a system for... | 03/04/2008 |
| 7334399 | Apparatus, system, and method for intermittently delivering fluid An apparatus, system, and method are disclosed for intermittently delivering fluid. An injector intermittently delivers a first quantity of fluid over a first time interval. In one embodiment, the injector is passively cooled. In a certain embodiment, the injector d... | 02/26/2008 |
| 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 |
| 7331654 | Solenoid valve The invention relates to a solenoid valve made using certain materials which is capable of operation at high frequencies and which can be made as a compact unit. The plunger (1) is made from an electromagnetic material having a saturation flux density greater... | 02/19/2008 |
| 7326294 | Preparation of small crystals Small crystals are made by mixing a solution of a desired substance with an anti-solvent in a fluidic vortex mixer in which the residence time is less than 1s, for example 10 ms. The liquid within the fluidic vortex mixer (12) is subjected to high intensity u... | 02/05/2008 |
| 7323960 | Electromagnetostrictive actuator An actuator includes an electromagnetostrictive element that has one end located on a front side and the other end located on a rear side. An output shaft penetrates the electromagnetostrictive element and is pressurized toward the rear side of the electromagnetostr... | 01/29/2008 |
| 7318576 | Bi-directional air valve for a tank system of a motor vehicle The invention includes a bi-directional air release valve for the tank system of a motor vehicle having an inlet opening, an outlet opening, a valve seat placed between the openings, and a closure element. In a closed position the closure element blocks the flow com... | 01/15/2008 |
| 7313916 | Method and apparatus for generating power by combustion of vaporized fuel An apparatus for producing power from a source of liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the inlet end in fluid communication with the source of liquid f... | 01/01/2008 |
| 7311273 | Fluid injection device A fluid injection device including a protruding needle. One end of the needle forms a valve and can be moved between a closed position, in which the valve seals the fluid-release opening, and an open position, in which the valve is positioned at a controlled distanc... | 12/25/2007 |
| 7309025 | Fuel injection method A fuel injection method is provided for correcting the fuel injection amount accurately by eliminating offset components when detecting a current flowing through a solenoid for fuel injection. A current component, which is detected during normal running and a drive ... | 12/18/2007 |
| 7309033 | Deep pocket seat assembly in modular fuel injector with fuel filter mounted to spring bias adjusting tube and methods A fuel injector and various methods relating to the assembly of the fuel injector. The fuel injector includes a power group subassembly and a valve group subassembly having a respectively connected first and second connector portions. The power group subassembly inc... | 12/18/2007 |
| 7309032 | Dosing device for fluids, especially a motor vehicle injection valve An actuator (4) is connected, on one side, to a valve needle (3), and on the opposite side, to a hydraulic piston (6) pertaining to a hydraulic length compensator. A working chamber (5) is divided by a tight separating membrane (9)... | 12/18/2007 |
| 7303144 | Reduction in hydrocarbon emission via spray pattern control through fuel pressure control in fuel injection systems Among other aspects shown and described, a fuel supply apparatus that provides multiple fuel spray targeting angles as a function of fuel pressure towards a combustion chamber of an engine to reduce hydrocarbon emission during cold-start or hot-start. A method and f... | 12/04/2007 |
