Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 3,193

Document Document Title
WO/2005/017345A1
The invention relates to a method used in the quality assessment of an injection nozzle, whereby a medium emerging from the injection nozzle is injected into a pressure chamber in the form of a conical spray. The conditions of emergence ...  
WO/2005/017344A1
The invention relates to a method for determining the quality of an injection nozzle, according to which a medium discharged from the injection nozzle is injected into a pressure chamber in the form of a conical jet, a jet image of the m...  
WO/2005/010335A2
The invention relates to the operation of an injector assembly, for injecting fuel into an internal combustion engine of a motor vehicle. The invention is characterized by a particular manner of supplying a measuring voltage, for detecti...  
WO/2005/008050A1
The invention relates to a method for the real-time determination of the fuel injector flow characteristic. The inventive method comprises the following steps consisting in: assuming that the gain of at least one injector (2) is equal to...  
WO/2005/005935A1
The invention relates to a device for measuring time-resolved volumetric throughflow processes, especially injection process in internal combustion engines, wherein the device comprises a translational volume difference sensor (4, 5, 6) ...  
WO/2004/109087A1
The invention relates to a valve device and a method for directly injecting a gaseous fuel. In order to achieve a rapid response for a simple, compact structure, an actuator, preferably a piezoelectric actuator acts upon a conversion dev...  
WO2004092570A3
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 ...  
WO2004092558A3
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 ...  
WO2003000429A3
A system for actuating a spray pump assembly (102) comprises a reference platform (104), a motor (106), a drive transmission (108), a spray pump holder (110), a force coupler, a force transducer (112), and a system controller (114). The ...  
WO2004070708A3
A system for indicating, recording and evaluating a driving-data mode under three conditions of acceleration, speed maintenance and deceleration, in which the evaluated results (88) are displayed on an LCD so that the vehicle is driven a...  
WO/2004/097210A1
The invention relates to a double switch, which is formed from a nozzle body (2) and valve needle (5) and which consists of a seat contact switch (S1) and of a stop switch (S2) that is formed on the valve-side end of the valve needle (5)...  
WO2004042412A9
A tester for conveniently diagnosing the fuel injectors of an internal combustion engine is described. The fuel injector includes an injector coil that is charged during an energizing period. The tester calculates the difference between ...  
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/2004/088125A1
The invention relates to a method for preparing for use a fuel injection valve for an internal combustion engine, for example for a system of common rail injectors which is at least partially filled with air at a starting moment and is s...  
WO/2004/085826A1
A common problem in modern common rail injection systems, in particular those with a rapid injection rate, is that undesirable dispersions occur for the quantity of fuel that is to be injected. A fundamental cause is that it is never kno...  
WO/2004/079321A1
Disclosed is a method for determining the leakage of injection systems. Said method can be fully automated and supplies unambiguous test results, making it easy to decide whether an injection system (30), particularly an injector or an i...  
WO/2004/070708A2
A system for indicating, recording and evaluating a driving-data mode under three conditions of acceleration, speed maintenance and deceleration, in which the evaluated results (88) are displayed on an LCD so that the vehicle is driven a...  
WO/2004/065782A1
A fuel injector (10) for vaporizing a liquid fuel for use in an internal combustion engine (2110). The fuel injector includes at least one capillary flow passage (12), a heat source (20) arranged along the at least one capillary flow pas...  
WO/2004/046541A1
The invention relates to an injection system (1) for internal combustion engines, which comprises an injector (2), a fuel supply line (3) leading to the injector, a sensor for measuring the supplied fuel quantity and a control unit which...  
WO/2004/042412A1
A tester for conveniently diagnosing the fuel injectors of an internal combustion engine is described. The fuel injector includes an injector coil that is charged during an energizing period. The tester calculates the difference between ...  
WO/2004/042217A1
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/2004/040129A1
The invention relates to a method for measuring the injection rate of an injection valve for liquids, preferably liquid fuel, according to which the injection valve (3) injects the liquid into a liquid-filled sensing volume (1) that is s...  
WO/2004/031561A1
When data on the fuel pressure in a common rail (2) are to be collected during engine running, the fuel pressure in the common rail is detected every 6 ° rotation of the crank shaft, the cylinder number, the crank angle and the fuel pre...  
WO2004007951B1
The invention relates to a nozzle needle (4) of a nozzle (1), which is located inside an injector housing and is braced against a housing shoulder (5) by means of a spring (2). A piezo element (7), which determines the nozzle needle path...  
WO/2004/025115A1
A fuel injection timing device particularly suited for diesel engines has a body (1) with a fuel chamber (4), fuel inlet (5) and an outlet (6). A valve member (3) is biased to close off the outlet (6), and is adapted to open under increa...  
WO2004007951A3
The invention relates to a nozzle needle (4) of a nozzle (1), which is located inside an injector housing and is braced against a housing shoulder (5) by means of a spring (2). A piezo element (7), which determines the nozzle needle path...  
WO2003000429A9
A system for actuating a spray pump assembly comprises a reference platfonn, a motor, a drive transmission, a spray pump holder, a force coupler, a force transducer, and a system controller. The motor receives a power and control input, ...  
WO/2004/007951A2
The invention relates to a nozzle needle (4) of a nozzle (1), which is located inside an injector housing and is braced against a housing shoulder (5) by means of a spring (2). A piezo element (7), which determines the nozzle needle path...  
WO/2003/106829A1
According to the invention, in an internal combustion engine, the fuel is directly injected from an injector comprising a piezoelectric actuator into a combustion chamber. An electric charge fed (62) to the piezoelectric actuator and/or ...  
WO/2003/104640A1
The invention relates to an injector for injecting fuel into a combustion chamber (10). The injector comprises at least one spray orifice (1) with an inlet opening (2) and an outlet opening (3). The spray orifice (1) has a device for spe...  
WO2003081014A3
A fuel injection system (18) is calibrated as an assembled system. The fuel injection system (18) includes a unit pump (10) a cam follower (24), a joined fuel injection line (14) and injection nozzle (16). The fuel injection system (18) ...  
WO/2003/083282A1
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage (12), said at least one capillary flow passage (12) having an inlet end (14) and an out...  
WO/2003/083283A1
A method and apparatus for vaporizing liquid fuel. The apparatus includes at least one capillary flow passage (12), the at least one capillary flow passage having an inlet end and an outlet end; a fluid control valve (18) for placing the...  
WO/2003/083281A1
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage (12) , the at least one capillary flow passage (12) having an inlet end (14) and an out...  
WO/2003/081014A2
A fuel injection system (18) is calibrated as an assembled system. The fuel injection system (18) includes a unit pump (10) a cam follower (24), a joined fuel injection line (14) and injection nozzle (16). The fuel injection system (18) ...  
WO/2003/081007A1
The aim of the invention is to be able to detect the moment of impact of the valve needle (48) pertaining to a piezo control valve (22) of a pump-nozzle unit, when the piezo control valve (22) is closed and/or opened. To this end, the pi...  
WO/2003/066263A1
The invention relates to a method for obtaining a determined flow resistance of a flow channel (1), especially an opening in a component (2), said method comprising the following steps: a liquid (3) flows through the flow channel (1); a ...  
WO/2003/050474A1
The invention relates to a device for optically measuring boreholes (7) in components (1), preferably injection boreholes (7) in fuel injection valves, said device comprising a light source (15) and an optical measuring device (20) for o...  
WO/2003/044334A1
The invention relates to a sensor arrangement for recording the movement of an armature (5) on an electromagnetic actuator for operating a control element, in particular for operating a gas exchange valve on an internal combustion engine...  
WO/2003/038259A1
A method of deriving a formula (Fig. 4) for calculating a quantity of fuel injected by an electric-actuated fuel injector (16) during an injection wherein duration of the injection is set by duration of an electric signal (P1, P2) applie...  
WO/2003/038265A1
A method of modifying a general formula that is used by an engine control system (10) to calculate duration of fuel injector actuation. Coefficients (P1 coeff., P2 coeff., ICP coeff.) of the formula are modified to calibrate individual f...  
WO/2003/036076A1
The invention relates to a regulating device (100) and a method for the automatic regulation of injectors (101) comprising a piezoelectric actuator, a switching valve, a lever element which is coupled to the switching valve, and a regula...  
WO/2003/027448A1
The invention relates to a method for operating an internal combustion engine, and to an internal combustion engine in which the position of at least one gas exchange valve per cylinder is measured. Improvements are made in terms of emis...  
WO/2003/027468A1
The invention concerns a fuel injection device comprising a fuel injection valve (12) having at least an injection valve element (34) for controlling at least an injection opening (36). Said injection valve element (34) is actuated again...  
WO/2003/027473A1
The invention relates to a method for avoiding an internal coking of an injection hole for injection holes in a multi-hole injection valve (9) on a direct injection internal combustion engine (1), in particular on a motor vehicle. Inject...  
WO2002084093A3
A fuel injector system (10) includes a piezoelectric sensor (52) mounted along a spool axis (18) of the injector body (12). The piezoelectric sensor (52) is mounted within a spool valve stop (41). As the spool valve (16) reaches the stop...  
WO/2003/012388A1
A method for calibrating a fuel injection pump (24) for an engine fuel injection system comprising determining the pressure made available to an injector nozzle at a portion of the injection cycle before the top dead center position of t...  
WO/2003/001054A1
Volumetric measuring means (10) comprising a piston and cylinder arrangement (12, 14) in which the cylinder (14) defines a metering chamber (16) having a port, to which a nozzle end (72) of a fuel injector (74) to be tested is connected ...  
WO/2003/001049A1
The invention relates to an injector (1) for an internal combustion engine, comprising a piezo-actuator (2). The injector also comprises an identification means which can determine whether or not the piezo-actuator (2) is in contact with...  

Matches 251 - 300 out of 3,193