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| Number | Title | Issue Date |
| 7757667 | Control device of high-pressure fuel pump of internal combustion engine A high-pressure fuel pump of an internal combustion engine has a fuel injection valve provided on a cylinder. The high-pressure fuel pump is for pumping fuel to the fuel injection valve, and has a pressure chamber, a plunger for pressurizing the fuel in the pressure... | 07/20/2010 |
| 7410347 | Reciprocating fluid pump assembly employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 08/12/2008 |
| 7373924 | Method and system to mitigate pump noise in a direct injection, spark ignition engine A method and system for controlling a fuel pressurizing system in a direct-injection, spark-ignition engine is disclosed such that the ticking sound of a solenoid valve in the high pressure pump is disabled at certain engine operating conditions. The fuel pressurizi... | 05/20/2008 |
| 7318592 | Motorcycle steering damper According to the invention, there is provided a steering damper (10) in which the interior of a cylinder (12) is divided into two oil chambers (A), (B) by a piston (14) which slides in the cylinder (12) as a steering operation takes place... | 01/15/2008 |
| 7267533 | Plunger assembly for use in reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 09/11/2007 |
| 7263978 | Dual pressure on demand automotive fuel pump An internal combustion engine (14) has an associated controller (18) controlling operation of the engine. A fuel pump (10) delivers fuel to the engine at more than one pressure (300 kPa, 800 kPa). The fuel pump includes a fuel inlet (34) ... | 09/04/2007 |
| 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 |
| 7216630 | System and method to control spool stroke motion An oil activated fuel injector which provides a pilot quantity of fuel prior to the main fuel injection event. A control system for a fuel injector includes a sensor for providing a signal to a control which is indicative of an opening motion of a spool. The control... | 05/15/2007 |
| 7185635 | High-pressure accumulator for fuel injection systems with integrated pressure control valve A fuel injection system for internal combustion engines includes a high-pressure accumulator acted on with highly pressurized fuel by a high-pressure delivery unit and in turn supplies fuel to fuel injectors. The fuel injection system has a pressure control valve, w... | 03/06/2007 |
| 7100578 | Method for driving fuel injection pump The present invention achieves an increase in the amount of vapor that is expelled, stabilized fuel injection and improved starting characteristics in a fuel injection pump. In an electromagnetically driven fuel injection pump 20 which allows fuel to escape i... | 09/05/2006 |
| 7093778 | Device for delivering and/or spraying flowable media, especially fluids The invention concerns a device to convey and/or spray free-flowing media, in particular fluids, which works in accordance with the energy storage principle and is designed as an electromagnetically-powered reciprocating pump with at least one armature device as a d... | 08/22/2006 |
| 7021294 | Fuel pump control device To provide a fuel pump control device allowing a fuel pump having a small capacity to feed a sufficient amount of fuel to an internal combustion engine. During running of a vehicle at a low speed (for example, less than 2,0 km/hr), pulsed drive voltages are intermit... | 04/04/2006 |
| 6966760 | Reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 11/22/2005 |
| 6964263 | Electrically operated fuel injection apparatus This invention relates to an electrically operated fuel injection apparatus comprising a fuel inletting device (110), a fuel pumping device (112) and a fuel injecting device (113). Fuel from the said fuel inletting device (110) is pumped ... | 11/15/2005 |
| 6962144 | Fuel injection device for an internal combustion engine The fuel injection system has least one magnet valve for controlling the fuel injection. The magnet valve is triggered by an electric control unit and has a magnet coil, a movable pistonlike magnet armature by which a valve member is movable between at least two pos... | 11/08/2005 |
| 6884041 | Electromagnetic valve-controlled fuel injection pump for internal combustion engines, especially diesel engines A solenoid-valve-controlled fuel-injection pump for internal combustion engines, in particular diesel engines, has a solenoid valve, whose valve needle separates a high-pressure region from a low-pressure region, i.e. connects the high-pressure region and low-pressu... | 04/26/2005 |
| 6640787 | Electronically controlled fuel injection device An electronically controlled fuel injection device includes a plunger pump, a circulation passage which circulates fuel that has been pressurized in the initial stage of a pressure-feeding stroke, a valve body which blocks the circulation passage in the l... | 11/04/2003 |
| 6530363 | Variable delivery pump and common rail fuel system using the same Pressurized injector actuation fluid, such as oil or fuel, is supplied to high pressure common rail by a fixed displacement fluid pump. Variable delivery from the pump is achieved by selectively spilling pumped fluid through a digital-acting by-pass or sp... | 03/11/2003 |
| 6502553 | Solenoid valve for regulating the fuel supply pressure of an internal combustion engine The solenoid valve has a fuel supply conduit, and a ball shutter controlled by an electromagnet and cooperating with a conical seat in the conduit. The conduit has fuel filtration means having a cylindrical wall with a number of openings for preventing pa... | 01/07/2003 |
| 6401696 | Fuel injection device for internal combustion engines A fuel injection device works based on the principle of storage of energy in a solid body and is designed as a reciprocating piston pump with a feeding piston (35, 24) that stores kinetic energy during an almost resistance-free acceleration phase. The sto... | 06/11/2002 |
| 6349705 | Method of checking a capacitive actuator A capacitive actuator is driven with a control signal st. The duration ti of actual actuator actuation is compared with the duration tst of the control signal st. Proper operation is determined, and the actuator is assumed to be operating corre... | 02/26/2002 |
| 6332454 | Electromagnetic valve driving apparatus having current limit switching function A driving apparatus for an electromagnetic valve which supplies fuel to an engine comprises a conduction control circuit and a current-limit-value setting circuit. The conduction control circuit turns on and off an FET so that a conduction current flowing... | 12/25/2001 |
| 6295972 | Fuel delivery using multiple fluid delivery assemblies per combustion chamber A fuel delivery system for an internal combustion engine employs a plurality of fuel delivery assemblies for each combustion chamber. The fuel delivery system contains a fluid actuator for each respective combustion chamber or cylinder. Each fluid actuato... | 10/02/2001 |
| 6283095 | Quick start fuel injection apparatus and method A method and apparatus creating a two stage input to an integrated fuel pump of a fuel injector. The fuel pump has a reciprocating assembly for generating a fuel pulse and an actuating coil which induces linear motion of the reciprocating assembly. A nozz... | 09/04/2001 |
| 6253737 | Direct fuel injection using a fuel pump driven by a linear electric motor A fuel delivery system for an internal combustion engine having a plurality of combustion chambers. The fuel delivery system includes a source of fuel, a fuel pump driven by a linear electric motor, a plurality of fluid actuators and a plurality of fuel d... | 07/03/2001 |
| 6240902 | Drive unit for driving fuel pump for small-sized vehicle A drive unit for driving a fuel pump for a small-sized vehicle, which is capable of reducing the current consumption of the fuel pump. A drive unit includes an ECU for controlling the fuel injection amount of a fuel injector. The ECU drives the fuel pump ... | 06/05/2001 |
| 6152113 | High-pressure injector for a diesel engine A high-pressure fuel injector of a diesel engine includes a nozzle body, a pressure chamber body and a pressure piston. The nozzle body has a cavity in a central region thereof and a closed top end formed integrally thereon, the nozzle body includes a sol... | 11/28/2000 |
| 6024071 | Process for driving the exciting coil of an electromagnetically driven reciprocating piston pump A method for signalling an energizing coil of a solenoid-operated reciprocating plunger pump employed as a fuel injection device, in which the energizing coil is energized via a current control circuit pulsed at high-frequency by an energizing current and... | 02/15/2000 |
| 6000628 | Fuel injector having differential piston for pressurizing fuel A fuel injector includes a housing having a differential piston surrounded by a coil, the differential piston carrying and surrounding an armature carrying a needle valve element. The valve seat for the needle valve is carried for movement with the differ... | 12/14/1999 |
| 5520154 | Fuel injection device according to the solid-state energy storage principle for internal combustion engines The invention pertains to a fuel injection device operating according to the solidstate energy storage principle, whereby a rotor element carried in a pump housing of an electromagnetically driven reciprocating pump is accelerated almost without resistanc... | 05/28/1996 |
| 5469828 | Fuel injection device according to the solid-state energy storage principle for internal combustion engines The invention pertains to a fuel injection device operating according to the solid state energy storage principle, whereby a piston element mounted in a pump cylinder of an electromagnetic reciprocating pump, displaces quantities of the fuel to be injecte... | 11/28/1995 |
| 5092301 | Digital fuel control system for small engines A digital fuel control system for a small internal combustion engine having a pressure sensor for detecting the instantaneous pressure in the air intake manifold of the engine to generate air pressure data. A microprocessor responsive to the air pressure ... | 03/03/1992 |
| 5076244 | Fuel injector Injector apparatus for direct injection of liquefied gas fuels, particularly LPG into internal combustion engines, includes a partially stabilized zirconia tube which incorporates a sliding spool therein for controlling a metering orifice of a nozzle. The... | 12/31/1991 |
| 4936280 | Electronic dual fuel injection system There is disclosed an electronic dual-fuel injection system for an internal combustion engine having a cylinder block with driving cylinders. The system has an intake manifold which is connected to the driving cylinders to feed fuel mixtures to the cylind... | 06/26/1990 |
| 4919102 | Fuel pump driving apparatus for vehicle A fuel pump driving apparatus for a vehicle, comprising a fuel pump, a blocking oscillator, including a transistor and a bias circuit therefor, for driving the fuel pump, and a control circuit for controlling an oscillating operation of the blocking oscil... | 04/24/1990 |
| 4735185 | Apparatus for feeding high-pressure fuel into engine cylinder for injection control A fuel injection control apparatus includes a booster apparatus, in which a cylinder chamber is divided into first and second fluid chambers by a piston. The operative area of the piston facing the first fluid chamber is sufficiently greater than that fac... | 04/05/1988 |
| 4718386 | Fuel injector A fuel injector comprising an injector body having a cylindrical bore containing a plunger connected to a moving part of an electromagnetic drive system, and is provided with a detector for the plunger displacement the moving part of the drive system bein... | 01/12/1988 |
| 4664079 | Fuel injection system for internal combustion engines In a fuel injection system for an internal combustion engine, a control lever shaft interlocked with a governor spring is supported by a pump housing of a fuel injection pump with one and the other ends respectively located interiorly and exteriorly of th... | 05/12/1987 |
| 4627570 | Fuel injection unit for each cylinder of a diesel engine In a combination which includes a fuel injection unit and a cylinder of a diesel engine provided with a cover, and formed with a fuel bore communicating with a suction chamber, a piston is reciprocally moving within the cylinder, and is provided with a sl... | 12/09/1986 |
| 4421076 | Starting auxiliary device for internal combustion engine An auxiliary starting device for an internal combustion engine, particularly for a diesel engine, comprises a driving device actuated by a starting switch to move a control lever of a fuel injection pump in a direction for increasing fuel for the engine f... | 12/20/1983 |
