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Patent Searching and Data


Matches 151 - 200 out of 3,263

Document Document Title
WO/2005/095786A1
The invention relates to a unit injector system, in which a valve member (21) and an armature (41) of a solenoid valve (5) are interconnected in a fixed manner, thus improving the dynamic behaviour of the solenoid valve (5) and simplifyi...  
WO/2005/093247A1
A pressure boosting unit (110) is provided in each fuel injection valve of an engine (1). A pressure of fuel to be supplied to the fuel injection valve from a common rail (3) is boosted as required. An ECU (20) causes low pressure inject...  
WO/2005/088115A1
Hydraulically driven pump-injector for diesel engines with locking device of the nozzle needle in which diesel fuel is used as acting fluid, comprises: a body; a pressure intensifier; a return mechanism for piston and plunger; a distribu...  
WO/2005/078271A1
Actuating mechanism for hydraulically driven pump-injectors for internal combustion engines specifically for diesels, which in order to reduce dimensions of pump-injector body, comprises pressure intensifier with several power pistons an...  
WO/2005/075811A1
The invention relates to a fuel injector for injecting fuel into a combustion chamber (30) of a combustion engine, comprising an injector body (2) and a nozzle holder (3) in which an injection valve member (5) is movably lodged, said mem...  
WO/2005/069885A3
A control valve for an injector includes a spool valve assembly having a spool moveable between an open position and a closed position. The spool has a first hydraulic surface and a second hydraulic surface. A first chamber is in fluid c...  
WO/2005/071252A1
Hydraulically driven pump-injector for internal combustion engines with hydromechanical return of the power piston (1) via an auxiliary cavity (13).  
WO/2005/069885A2
A control valve for an injector includes a spool valve assembly having a spool moveable between an open position and a closed position. The spool has a first hydraulic surface and a second hydraulic surface. A first chamber is in fluid c...  
WO/2005/068822A1
A fuel supply pump suitably used for a pressure accumulation fuel injection device of a pressure intensifying type and a tappet structure body suitable for the pump. A tappet structure body that has a roller and a tappet body section for...  
WO/2005/068823A1
A fuel supply pump suitably used for a pressure accumulation fuel injection device of a pressure intensifying type and a tappet structure body suitable for the pump. A fuel supply pump having, in a pump housing, plunger barrels, plungers...  
WO/2005/066485A1
A fuel injector having a piezoelectric actuator. A needle valve is mounted in the injector body and has an opening hydraulic surface substantially surrounded by a high-pressure fuel line in fluid communication with a high-pressure fuel c...  
WO/2005/061884A1
A pump/nozzle device comprises a pump, which has a plunger and a working chamber, and a valve with a valve element, which controls the hydraulic coupling of a working chamber to a discharge channel hydraulically coupled to the working ch...  
WO/2005/061881A1
An electrical connector (10, 200) for an electrically operated fuel injector assembly (12, 150, 202) has a bracket assembly (14, 206) with a male plug (56, 222), at least one electrical conductor (38, 40, 214, 216), and a spring clip (16...  
WO/2005/059351A1
Disclosed is an electromagnetically controlled connecting unit for controlling the passage of a fluid-conducting junction between the high-pressure system and the low-pressure system of a cam-actuated injection system in a self-igniting ...  
WO/2005/059337A1
The invention relates to a valve having a drive mechanism (24) configured as a piezo actuator, comprising a valve member (231), a valve body (237) and a valve seat (234). In order to control the valve, the valve member is controlled at a...  
WO/2005/054656A1
An accumulator fuel system for an internal combustion engine having a plurality of engine cylinders, includes an accumulator fuel volume (12; 112) for supplying high pressure fuel to one or more of a plurality of injectors (10) of the fu...  
WO/2005/054655A2
A method for controlling injection rate and injection pressure of an electromagnetic fuel injector assembly having a pressure balanced control valve including a solenoid and a valve member subject to the pressure developed by the injecto...  
WO/2005/052352A1
The invention relates to an injection nozzle (1) for an internal combustion engine, particularly in a motor vehicle. A first nozzle needle (3) controls at least one first injection hole (5) while a second nozzle needle (4) controls at le...  
WO/2005/047688A1
The invention relates to a pump-nozzle device comprising a pump having a plunger (11) and a pump chamber (13). The device also comprises a valve (231) having a valve member which controls the hydraulic coupling of a gradual overflow cham...  
WO/2005/047687A1
Systems and methods for reducing engine emissions in a locomotive are presented. In an embodiment, a fuel injector or a fuel injection pump of a fuel injection mechanism includes a plunger (110) with an upper helix (180) whose angle chan...  
WO/2005/045227A1
The fuel injection device comprises a high pressure fuel pump (10) and a fuel injection valve (12), connected thereto, whereby the fuel injection valve (12) comprises an injection valve body (28). The fuel injection valve (12) comprises ...  
WO/2005/040598A1
Disclosed is a valve comprising a valve member (72) that is guided so as to be movable in the direction of the longitudinal axis (73) thereof, extends into a valve pressure chamber (77), and is provided with a sealing surface (81) on a f...  
WO/2005/038238A1
A skipfire control system for use in a locomotive engine includes a plurality of skipfire mechanisms (38). Each skipfire mechanism (38) is operatively associated with a respective injector rocker arm (20) of the plurality of cylinders (1...  
WO/2005/033251A2
This invention sets forth a commercially viable diesel combustion system that meets environmentally acceptable levels of NOx emissions (i.e. 0.2g/bhp-hr or lower across a full map of engine speeds and loads) without the need for use of N...  
WO/2005/026524A1
The fuel injection system for internal combustion engines comprises at least one hydraulically actuated intensifier-injector with inlet (13) and outlet (14) cavities for actuating fluid, one or more interconnected manifolds [rail(s)&rsqb...  
WO/2005/019632A2
A control valve has a control valve body with a bore and a plurality of fluid connections. A spool valve assembly is moveable within the bore between a first position and a second position. The spool valve assembly has a first hydraulic ...  
WO/2005/019632A3
A control valve has a control valve body with a bore and a plurality of fluid connections. A spool valve assembly is moveable within the bore between a first position and a second position. The spool valve assembly has a first hydraulic ...  
WO/2005/017343A1
The invention relates to a high-pressure pump for a fuel injection system of a diesel engine, which is provided with a pressure element-piston unit with convex-concave paired front faces (19) of both parts of the unit and in which the fr...  
WO/2005/015001A1
The invention relates to a servo valve for actuating a pressure intensifier (2), to which a fuel injector (9) is assigned. Said pressure intensifier (2) comprises a working space (4), which is separated from a differential pressure space...  
WO/2005/015002A1
The invention relates to a servo valve (3) for a fuel injector (1), comprising a pressure exchanger (2) having a working chamber (7) and a differential pressure chamber (8) which are separated by means of a pressure relay piston (10, 11)...  
WO/2005/015000A1
The invention relates to a fuel injector comprising a pressure intensifier (3) that is supplied with high-pressure fuel from a pressure source (1). A working chamber (4) of the pressure intensifier (3) is separated from a differential pr...  
WO/2005/010346A1
A control valve module (14') for a fuel injector assembly (10) has a conduit arrangement where a high-pressure passage (108) has a first portion (110) extending linearly between an annulus (106) surrounding the control valve cylinder (42...  
WO/2005/010347A1
The invention relates to a connection point of a space (4), which is subjected to the action of high pressure, in a highly pressurized body (11) of a high-pressure injection system for fuel to a boring (12) extending through the body (11...  
WO/2005/001280A1
The invention relates to a fuel-injection system (1) for an internal combustion engine, comprising: at least one injector (3) for injecting fuel into a combustion chamber of a motor, said injector having a high-pressure connection (10), ...  
WO/2004/111439A1
Disclosed is a fuel injection device comprising a fuel injection valve (12) that is provided with at least one injection valve member (28, 128) by means of which at least one injection port (32; 132) is controlled. The fuel injection val...  
WO/2004/094810A1
Apparatus sealably incorporating a fuel metering device and fuel processing device [200, 200a, 200b] for producing a stabilized fog of fuel droplets sized 50 microns and less that when mixed with combustion air burn completely, reduce or...  
WO/2004/092558A2
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...  
WO/2004/092570A2
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...  
WO/2004/092573A1
In a fuel injection device, vapor is discharged only when required to enhance fuel injection characteristics. A fuel injection device has a plunger (21) for sucking and pressure-sending a fuel by reciprocating motion, a purge valve (26) ...  
WO/2004/088121A1
The invention relates to a fuel injector (18) for injecting a fuel into the combustion chamber of an internal combustion engine. The inventive injector comprises a pressure relay valve (3) whose pressure relay piston (4) separates the wo...  
WO/2004/088122A1
The invention relates to a fuel injector for injecting a fuel into the combustion chamber (23) of an internal combustion engine. The inventive injector (18) comprises a pressure transmitter (3) whose pressure relay piston (4) separates t...  
WO/2004/085829A1
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 mor...  
WO/2004/083625A1
The electromagnet comprises a magnet coil (64) and a magnet armature (66), and the magnet coil (64) has a coil support (72) and a hollow cylindrical coil winding (70) connected thereto. The coil support (72) is provided in the form of a ...  
WO/2004/083624A1
The fuel injection device comprises a fuel high-pressure pump (10) and a fuel injection valve (12) for a cylinder of a combustion engine. The fuel high-pressure pump (10) has a pump working space (22), and the fuel injection valve (12) h...  
WO/2004/083623A1
A fluid injector (2) with a channel (4) terminating in one or more orifices (7) and being, in use, operatively connected to a fluid supply means so that fluid may be supplied to the injector in order to pass through said channel (4) to e...  
WO/2004/081370A1
An injector-pump device (10) is described for delivering liquid fuel to a combustion chamber of an internal combustion engine, comprising a body (12) in which an axial cavity (16) for accommodating an injecting reciprocating plunger (18)...  
WO/2004/079183A1
A fuel injection system (10) having an accumulator (24) includes an accumulator fill valve assembly (20) that regulates pressure within the accumulator (24) for operation of injection events other than the main injection. A restriction (...  
WO/2004/079179A2
A fuel injector for an internal combustion engine has multiple control valves with a single valve actuator. The valves may be packaged in an injector assembly with an economy of space and a simplified assembly procedure during manufactur...  
WO/2004/079181A1
The invention relates to a fuel injection valve comprising two injection valve members (28, 128), a second injection valve member (128) being displaceably guided in a hollow first injection valve member (28). The first injection valve me...  
WO/2004/076842A2
A fuel injector pump in a direct-injection fuel delivery system for an internal combustion engine including a solenoid valve for controlling transfer of fluid from a high pressure chamber to a fuel injector nozzle. A supply passage and a...  

Matches 151 - 200 out of 3,263