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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 7044400 | Solenoid end cap assembly with flat surface A solenoid end cap assembly having a flat mating surface. The flat mating surface is a single planar mating surface and is designed to mate with a substantially flat mating surface of a valve control body. The solenoid, housed within the solenoid end cap, does not p... | 05/16/2006 |
| 7017830 | Method and apparatus for separating sample This invention is to improve the reproducibility and yield in separating a bonded substrate stack. A bonded substrate stack having a porous layer inside is held by substrate holding portions 105 and 106, and a fluid is injected from a nozzle to the por... | 03/28/2006 |
| 7000851 | Integrated injection line and injection nozzle Fuel injector having a sleeve-shaped connector (22), injection nozzle (12) and injection line (14). ... | 02/21/2006 |
| 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 |
| 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 |
| 6928985 | Fuel injection device for internal combustion engines, having a common rail injector fuel system A fuel injection device includes a housing with an injection end and a recess extending in the housing. An axially movable valve element disposed in the recess cooperates with a valve seat, which axially defines a control chamber. A sleeve part radially defines the ... | 08/16/2005 |
| 6712288 | Method and apparatus for separating sample This invention is to improve the reproducibility and yield in separating a bonded substrate stack. A bonded substrate stack having a porous layer inside is held by substrate holding portions 105 and 106, and a fluid is injected from a nozzle to the por... | 03/30/2004 |
| 6691934 | Fuel injection valve for internal combustion engines A fuel injection valve includes a housing in which a pistonlike valve member is disposed longitudinally displaceably in a bore to cause at least one injection opening to communicate with a pressure chamber embodied in the housing. An inlet conduit dischar... | 02/17/2004 |
| 6688541 | Fuel injection system for an internal combustion engine For each cylinder of the internal combustion engine, the fuel injection system has one high-pressure fuel pump and one fuel injection valve communicating with it. A first pump piston of the high-pressure fuel pump defines a pump work chamber, which commun... | 02/10/2004 |
| 6488220 | Fuel injection valve for internal combustion engines The fuel injection valve is in particular a component of a reservoir fuel injection system and has a valve body and an electric control valve that controls the pressure which prevails in a control pressure chamber and acts at least indirectly on an inject... | 12/03/2002 |
| 6405940 | Fuel injector A fuel injector for use in an injector arrangement including a fuel pump having a pump chamber and a spill valve arrangement including a spill valve member which is engageable with a valve seating to control communication between the pump chamber and a lo... | 06/18/2002 |
| 6283441 | Pilot actuator and spool valve assembly A pilot actuated spool valve assembly includes a valve body that defines a first passage, a second passage and a flow passage. A unitary pilot body is at least partially positioned in the valve body and has a first valve seat and a second valve seat. A pi... | 09/04/2001 |
| 6240905 | Unit fuel injector A unit fuel injector for delivering fuel to a combustion chamber of direct-injection internal combustion engines, having a pump unit for building up an injection pressure and for injecting the fuel via an injection nozzle into the combustion chamber. A co... | 06/05/2001 |
| 6196472 | Fuel Injector A fuel injector comprises a valve needle slidable within a bore and engageable with a seating to control the supply of fuel to an outlet opening, an end surface of the valve needle being exposed to the fuel pressure within a control chamber defined, in pa... | 03/06/2001 |
| 6170757 | Fuel injection valve A fuel injection valve for internal combustion engines, having a valve member that is displaceable axially outward counter to a restoring force in a bore of a valve body. On an end toward the combustion chamber, the valve member has a closing head. The cl... | 01/09/2001 |
| 6138923 | Injector An injector of intensified fuel injection type is disclosed in which a resin-made sealing member for sealing a clearance between a concave and a boosting piston fitted in the concave for reciprocating movement is protected from deterioration owing to high... | 10/31/2000 |
| 6105879 | Fuel injection valve A fuel injection valve for internal combustion engines, having a valve member that emerges outward from the valve body. At least two rows of injection ports one above the other are provided on the valve member, in the outward-oriented opening stroke of th... | 08/22/2000 |
| 6079636 | Fuel injection valve with a piezo-electric or magnetostrictive actuator A fuel injection valve, particularly an injection valve for fuel injection equipment of internal combustion engines, having a pump piston that can be activated using a piezoelectric or magnetostrictive actuator for exerting a translatory pump motion. A sp... | 06/27/2000 |
| 6024296 | Direct control fuel injector with dual flow rate orifice A fuel injector includes an injector body that defines a nozzle outlet, and a needle control chamber that is in fluid communication with a needle control passage. A needle valve member is positioned in the injector body, and has a closing hydraulic surfac... | 02/15/2000 |
| 5894991 | Unit injector with hard stop timing plunger An improved cam operated, open nozzle, unit injector is disclosed including an injector body formed by a barrel, spring housing, and nozzle and containing a central bore for receiving a variable length plunger assembly mounted for reciprocal movement with... | 04/20/1999 |
| 5476245 | Pressure-compensated solenoid valve In a pressure-compensated solenoid valve disposed in a passage for controlling communication therethrough a central valve housing part which includes a guide bore with an increased-diameter end section providing for a bore shoulder and a stepped control r... | 12/19/1995 |
| 5106019 | Fuel injector The fuel injector includes an injection pump element with electromagnetically actuated control valve body supported therein for the control of the beginning of delivery and the quantity delivered. The injection pump element and the control valve are indiv... | 04/21/1992 |
| 4877187 | Unit injector for gasoline engines A gasoline unit injector comprising an outer, electrically conductive bellows, defining a variable volume fluid chamber, for reciprocating a piston within a pressure chamber to increase the fuel pressure in various downstream cavities. Various bellows are... | 10/31/1989 |
| 4813601 | Piezoelectric control valve for controlling fuel injection valve in internal-combustion engines A piezoelectric control valve, for motor fuel injection via an injection valve, includes a hydraulic play-compensation element inside the control valve on the one side, which automatically compensates for possible changes in length of the reference system... | 03/21/1989 |
| 4811899 | Apparatus for generating pre-injections in unit fuel injectors In an apparatus for generating pre-injection quantities in unit fuel injectors for Diesel engines, including a pre-injection slide that generates a pronounced pressure intensification for a pre-injection in a pressure chamber closed off with respect to th... | 03/14/1989 |
| 4784322 | Unit injector for gasoline engines A gasoline unit injector comprising an outer, electrically conductive bellows, defining a variable volume fluid chamber, for reciprocating a piston within a pressure chamber to increase the fuel pressure in various downstream cavities. Various bellows are... | 11/15/1988 |
| 4650116 | Fuel-injection device A fuel-injection device in which a nozzle element is directly pressed towards the front face of a guide body for the pump plunger. The guide body is provided with an enlarged slot into which a spring element can be entered from the side, which spring elem... | 03/17/1987 |
| 4630587 | Fuel injection pump having an adjustable instant of injection The injection pump includes a pump cylinder, a pump piston moving into it and a hydraulic device for adjusting the instant of injection. The adjusting device has an adjusting cylinder, which is directed parallel to the pump cylinder and is accommodated in... | 12/23/1986 |
| 4618095 | Electromagnetic unit fuel injector with port assist spilldown An electromagnetic unit fuel injector, of the type having a pump including a pump cylinder and an externally actuated plunger and having a solenoid actuated, control valve for normally controlling the spill, inject, spill cycle during a pump stroke of the... | 10/21/1986 |
| 4590904 | Fuel injection apparatus A fuel injection apparatus having pre-injection and main injection and associated with Diesel engines is disclosed. A high-pressure injection pump delivers a main injection quantity to a main injection nozzle, and a hydraulic pre-injection auxiliary pump ... | 05/27/1986 |
| 4537352 | Fuel injection apparatus A fuel injection apparatus for an internal combustion engine having engine cylinders includes a fuel tank, fuel supply pumps and fuel injection units. Each fuel injection unit comprises a cylinder, a plunger reciprocable in the cylinder by the engine, pum... | 08/27/1985 |
| 4152263 | Heated water circulator for aquariums A directional flow circulator is provided for aquariums for distributing heated water from the heater throughout the aquarium tank. The circulator is positioned concentrically with a heater and serves to collect and distribute heated water through a direc... | 05/01/1979 |
| 4111365 | Fuel injection system and its nozzle holder A fuel injection system comprises a cam, an injection pump, a delivery valve, an injection pipe, a nozzle holder, and a nozzle. The fuel oil passage in the nozzle holder is reduced in diameter as compared with the inside diameter of the injection pipe, wi... | 09/05/1978 |
