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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7341204 | Fuel injection valve In a fuel injection valve in which a funnel-shaped fuel collecting recess 35 is provided between a valve seat 8 and an outlet hole 7, and a flat fuel diffusion chamber 36 which diffuses a fuel radially outward and guides the fuel to a plu... | 03/11/2008 |
| 7331936 | Cylindrical pushrod for needle-retracting safety injector and the needle-retraction controllable safety injector The invention provide a cylindrical pushrod for the syringe needle-retracting safety injector, comprising an outer cylinder, an inner cylinder, a push pole, an underpinned piece and a seal gasket; the push pole is set at the front end of chamber of outer cylinder, i... | 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 |
| 7308888 | Cam arrangement and fuel pump arrangement incorporating a cam arrangement A cam arrangement for use with a high pressure fuel pump arrangement for delivering fuel to an associated engine, the cam arrangement including at least two cams (28) that are mounted, in use, upon an engine camshaft and each of which is arranged to drive a r... | 12/18/2007 |
| 7306169 | Fuel injection valve for internal combustion engine A needle valve 20 having a seat contact section 24 at a leading end is provided. A nozzle body 22 having a seat section 26 with which the seat contact section 24 comes into contact is provided. The nozzle body 22 comprises a... | 12/11/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7134851 | Reciprocating pump having a ceramic piston Various embodiments of the invention, therefore, provide pumps, and methods for their production. One exemplary embodiment of the invention comprises a ceramic plunger pump assembly. The pump assembly can include a pump body, which defines a pump chamber with an inl... | 11/14/2006 |
| 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 |
| 7097115 | Fuel injector regulator having combined initial injection and peak injection pressure regulation A fuel injector regulator having combined initial injection and peak injection pressure regulation. The fuel injector regulator includes a rate shaping valve movably supported within a valve bore between a closed position and an open position to regulate a rate of i... | 08/29/2006 |
| 7096857 | System for pressure-modulated shaping of the course of injection A system for injecting fuel into the combustion chamber of a self-igniting internal combustion engine, has a control unit which acts upon a spring-controlled injection device which includes a nozzle needle, by way of which one or more injection openings are opened o... | 08/29/2006 |
| 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 |
| 7083113 | Device for damping the needle lift in fuel injectors A fuel injection apparatus for injecting fuel into the combustion chambers of an internal combustion engine. includes a high pressure accumulator, a pressure booster, and a metering valve. The pressure booster includes a working chamber and a control chamber that ar... | 08/01/2006 |
| 7080631 | Safety fuel injection pump A fuel injection pump includes a camshaft, an eccentric cam, a cam ring, a housing and plungers. The camshaft is rotated by an engine. The cam is provided separately from the camshaft and is formed with a connecting portion connected with the main shaft. The cam rot... | 07/25/2006 |
| 7059301 | End of injection rate shaping Fuel injectors equipped with direct control needle valves can add new capabilities to a fuel injection system, but can sometimes have difficulty in achieving low hydrocarbon emissions at levels comparable to ancestor fuel injectors that utilize a simple spring biase... | 06/13/2006 |
| 7032574 | Multi-stage intensifiers adapted for pressurized fluid injectors Multi-stage intensifiers for injectors of pressurized fluid (e.g., fuel) allowing selection of intensified injection fluid pressure and thus fluid injection flow rate by selectively applying actuating fluid supply pressure to one or more of the multi-stage intensifi... | 04/25/2006 |
| 7032833 | Fuel injection valve In a fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, a piezoelectric or magnetostrictive actuator is surrounded by a compensation sleeve. The compensation sleeve is made of a material exhibiting virtually no, o... | 04/25/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 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 |
| 6978943 | Governor plate apparatus A flow controller assembly for use with a hydraulically-actuated, electrically-controlled fuel injector, includes a flow controller fluidly disposable intermediate an injector control valve assembly and an injector intensifier assembly for controlling flow of actuat... | 12/27/2005 |
| 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 |
| 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 |
| 6935580 | Valve assembly having multiple rate shaping capabilities and fuel injector using same Engineers have determined that the performance of fuel injectors, including those used in common rail fuel injection systems, can be increased, and undesirable emissions reduced, by controlling the mass flow rate of fuel injected into a combustion chamber during an ... | 08/30/2005 |
| 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 |
| 6908042 | Fuel injector A fuel injector includes a pressure intensifying chamber communicating with a fuel supply passage through a check valve, a plunger for pressure-intensifying fuel introduced into the pressure intensifying chamber, and a needle valve for injecting the fuel pressure-in... | 06/21/2005 |
| 6908044 | Injector having inwardly opening valves connected in series A fuel injector for fuel injection systems in internal combustion engines. The injector includes a housing in which valves arranged in series are accommodated. One of the valves is actuated by an actuator assigned to the injector. Each of the valves is assigned a co... | 06/21/2005 |
| 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 |
