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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 |
| 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 |
| 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 |
| 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 |
| 6998761 | Piezoelectric assembly A piezoelectric assembly, a method for producing a structural unit with a prestressed piezoelectric actuator and a method for producing a hollow body for prestressing the piezoelectric actuator include an actuator pushed into a spring sleeve and force-lockingly and/... | 02/14/2006 |
| 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 |
| 6974093 | Fuel injection device A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve... | 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 |
| 6843429 | Device for shaping a flexible injection pressure curve by means of a switchable actuator A device for injecting fuel into the combustion chambers of an internal combustion engine, with an injector enclosed by an injector housing, whose control chamber is acted on by a control volume, and with control valves for increasing/relieving the pressure in the n... | 01/18/2005 |
| 6840466 | Hydraulic control valve and fuel injector using same A hydraulic control valve for a fuel injector for an automotive engine, which includes a piezoelectric actuator and a hydraulic valve mechanism. The hydraulic valve mechanism converts a mechanical deformation of the piezoelectric actuator produced as a result of app... | 01/11/2005 |
| 6820827 | Injector for a fuel injection system for internal combustion engines, having a nozzle needle protruding into the valve control chamber An injector for a fuel injection system is proposed, having an at least partial compensation for the hydraulic forces acting on the nozzle needle. In addition, the fuel volume to be controlled is reduced, so that short control times are possible. ... | 11/23/2004 |
| 6789743 | 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... | 09/14/2004 |
| 6770320 | Apparatus and method for applying fluid An apparatus and a method for applying a fluid, which enable an application amount of the fluid to be stabilized even at the start of fluid discharge and at the end of the fluid discharge. The apparatus includes an application head and a control unit, whereby operat... | 08/03/2004 |
| 6752325 | Fuel injection device An injection nozzle of a stroke-controlled fuel injection device has a control chamber for triggering a nozzle needle and also has a nozzle chamber connectable to a pressure booster. The communication between a differential chamber of the pressure booster and a leak... | 06/22/2004 |
| 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 |
| 6688536 | Free floating plunger and fuel injector using same The present invention relates to fuel injectors having a free floating plunger. Traditional tappet assemblies include a plunger that is mechanically coupled to the tappet, and therefore, cannot be uncoupled over a portion of its movement during an injecti... | 02/10/2004 |
| 6688537 | Injector loaded from collecting chamber and provided with cascade-shaped control device An injection for injecting fuel under high pressure in a combustion chamber of an internal combustion engine has a control chamber, a valve body which is pressure loaded from the control chamber, a further control chamber, a nozzle needle which is pressur... | 02/10/2004 |
| 6663014 | Method and system of intensifier piston control The movement of the intensifier piston in a fuel injector, to control the pressurization of fuel, can be controlled with a flow control valve. The flow control valve provides different flow rates depending upon the direction of flow. In a first direction,... | 12/16/2003 |
| 6644031 | Fuel injector with an optimized metering device A fuel injector has a metering valve arranged to open under a predetermined feed pressure which constitutes a first threshold pressure, and to remain open in response to said feed pressure increasing so as to deliver fuel to fuel utilization means. The fl... | 11/11/2003 |
| 6622936 | Pressure-regulated injector with pressure conversion An injector for injecting fuel into a combustion chamber of an internal combustion engine has a nozzle needle having a nozzle chamber with a nozzle inlet, a pressure convertor with a pressure chamber, two control valves arranged after the pressure convert... | 09/23/2003 |
| 6565013 | Common rail injector The invention relates to a common rail injector having an injector housing (2), which communicates via a fuel inlet (3) with a central high-pressure reservoir, which is supplied with fuel from a fuel tank, which fuel, as a function of the position of a 3/... | 05/20/2003 |
| 6533197 | Device for discharging raw material-fuel A device for discharging raw material-fuel includes a pressurizing means for discharging a liquid, a pressure application room (1) in fluid communication with a discharge nozzle, and a liquid discharge nozzle (2) positioned under the pressure application ... | 03/18/2003 |
| 6527198 | Fuel injection valve for internal combustion engines The fuel injection valve (16) has an injection valve member (24), by which at least one injection opening (26) is controlled. The motion of the injection valve member (24) is varied by a control valve (18) that has a control valve member (54) by which the pres... | 03/04/2003 |
| 6509425 | Process for introducing a liquid in a fluidized bed Process for the introduction of liquid into a continuous process for the gas-phase polymerization of a olefin monomer and one or more other alpha-olefins in a fluidized-bed reactor, the liquid being introduced by at least one nozzle having a feed pipe and... | 01/21/2003 |
| 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 |
| 6412705 | Hydraulically-actuated fuel injector having front end rate shaping capabilities and fuel injection system using same A hydraulically actuated fuel injection system according to the present invention comprises at least one hydraulically actuated fuel injector that includes an injector body that defines a fuel pressurization chamber. A pumping element having a stepped top... | 07/02/2002 |
| 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 |
| 6390384 | Fuel injection device for diesel engine The present invention provides a wide range injection timing, small dispersion, good response and simple structure. In order to obtain this, in a fuel injection device for a diesel engine comprising a cylindrical body (11), an upper plunger (12) inserted ... | 05/21/2002 |
| 6298826 | Control valve with internal flow path and fuel injector using same A control valve comprises a valve body that defines a high pressure passage, a low pressure passage and a flow passage. A valve member that is positioned in the valve body and defines an internal passage that opens through an end, and a closing hydraulic ... | 10/09/2001 |
| 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 |
| 6260776 | Universal gaseous fuel injector cartridge A high pressure gaseous fuel injector for injecting natural gas or other gaseous fuels at high pressures (eg. 300 to 700 psig more or less) into combustion engines for improved efficiency, better performance and reduced environmental emissions. The fuel i... | 07/17/2001 |
| 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 |
| 6149073 | Ceramic plunger for internal combustion engine high pressure fuel system A wear and scuff-resistant plunger for use in high pressure fuel system components in internal combustion engines is provided. The plunger, which is formed of a high thermal expansion, high hardness ceramic with a thermal expansion coefficient preferably ... | 11/21/2000 |
| 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 |
| 6119959 | Fuel injector with controlled spill to produce split injection An injector body defines a fuel pressurization chamber, a spill passage, a stop volume and a nozzle outlet. Positioned within the injector body is a plunger which is movable between a retracted position and an advanced position. The plunger opens the spil... | 09/19/2000 |
| 6109542 | Servo-controlled fuel injector with leakage limiting device A servo-controlled fuel injector is provided which includes a leakage limiting valve device for limiting the quantity of high pressure fuel available for leakage into the combustion chamber in the event the closed nozzle valve element fails to sealingly e... | 08/29/2000 |
