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Patent Searching and Data


Matches 351 - 400 out of 3,205

Document Document Title
WO/2001/011230A1
An isolation valve (10b) for attachment to a fuel pump or fuel distribution block (44) of an engine is described. The valve (10b) comprises a valve and adaptor in a single body for direct attachment to a socket in the fuel pump or distri...  
WO/2001/007776A1
The invention relates to a flat tubular pressure damper (1) for damping fluid pressure oscillations in fluid lines, in particular, fuel pressure oscillations in motor vehicle fuel supply lines. Said damper comprises at least one oblong c...  
WO/2001/007770A1
The invention relates to a system and to a method for controlling or regulating an internal combustion engine (6). According to the invention, a transmitter disk (16) on the crankshaft (12) and a sensing element (15) continuously detect ...  
WO/2000/079125A1
The measuring device comprises a first measuring chamber (8) into which fuel is injected, a pressure sensor (62) and a temperature sensor (60) respectively measuring pressure and temperature in the first measuring chamber (8), means enab...  
WO/2000/063552A1
A cleaning device (1) comprises a body (2), a cleaning liquid reservoir (3), a pump (4), a pressure pipe-line (9-10), cleaning chambers (5-6) with a place for fixing of at least one electric and mechanical injectors. Whereas, the device ...  
WO/2000/052326A1
The invention relates to a system and a method for controlling a control valve for a diesel fuel injection system, comprising a fuel injector with a pressure amplifier. The control valve (10) is positioned upstream of the pressure amplif...  
WO/2000/020755A1
The invention relates to a method for electronically trimming at least one fluid injection pump. According to said method, a control module of an electronic control device detects a control signal which is corrected in accordance with th...  
WO/2000/019168A1
The aim of the invention is to measure the angular distribution of a liquid spray which is sprayed by a spraying element (5), especially of a fuel spray which is sprayed by a fuel injection valve. To this end, partial sprayed quantities ...  
WO/2000/019090A1
A method for adjusting the on-time of each hydraulically-actuated fuel injector (10) within a hydraulically-actuated fuel injection system (60) is disclosed. At least two spray tests are performed on the fuel injector (10) prior to its i...  
WO1999045259A3
A fuel system includes a pair of electronically controllable high pressure fuel pumps (22) operable to supply high pressure fuel from a lower pressure fuel source to a high pressure fuel collection chamber (34) having a pressure sensor (...  
WO/1999/067617A1
The present invention provides a flowmeter (10) which measures the flowrate of a fuel injector (12) by monitoring the pressure drop across a variable orifice valve (52) by use of a pressure sensor (18) with no moving mechanical parts. Th...  
WO1999053181A3
A fuel system leakage detector (1) includes a pressure source (3)and a test head (4) adapted to be coupled to a fuel system (17) of a vehicle (19) with engine (21), fuel tank (18), fuel filler neck (20), fuel closure cap (16) and evapora...  
WO/1999/053181A2
A fuel system leakage detector (1) includes a pressure source (3)and a test head (4) adapted to be coupled to a fuel system (17) of a vehicle (19) with engine (21), fuel tank (18), fuel filler neck (20), fuel closure cap (16) and evapora...  
WO/1999/045259A2
A fuel system includes a pair of electronically controllable high pressure fuel pumps (22) operable to supply high pressure fuel from a lower pressure fuel source to a high pressure fuel collection chamber (34) having a pressure sensor (...  
WO/1999/045261A1
A fuel system includes a pair of electronically controllable high pressure fuel pumps (22) operable to supply high pressure fuel from a lower pressure fuel source (14) to a high pressure fuel accumulator (34) having a pressure sensor (72...  
WO1998040713A8
The invention relates to a device for measuring hydraulic discharge and leakage in a test piece, comprising a measuring section to which the test piece is connected, as well as a capacitive sensor located along the measuring section. Sai...  
WO/1999/032783A1
A fuel injector (10') employs at least one sensing device for sensing material deformations occurring in the injector components during usage to thereby monitor injector performance. The sensing device (62') is preferably at least one of...  
WO/1999/019696A1
The invention relates to a device and a method for calibrating hydraulic flow-rate measuring systems, characterised by a receptacle which is connected to the flow-rate measuring system and which can be filled with a hydraulic medium. A c...  
WO/1999/010751A1
A diagnostic/control device for fuel injected internal combustion engines comprising a control system (14) connectable via leads (16) to the fuel injectors (10) after disconnection therefrom of an engine management computer (11), the lat...  
WO/1998/040700A1
The invention relates to a device for measuring hydraulic discharge and leakage in a test piece, comprising a measuring section configured as an inflow pipe approximately perpendicular to the test piece and a capacitive sensor located on...  
WO/1998/040713A1
The invention relates to a device for measuring hydraulic discharge and leakage in a test piece, comprising a measuring section to which the test piece is connected, as well as a capacitive sensor located along the measuring section. Sai...  
WO/1998/036171A1
Apparatus for testing an injector nozzle comprising a pump and nozzle holder unit (10), a collecting chamber communicating with an outlet port (32) for collecting fluid delivered by the nozzle, a first fluid line (34) extending between t...  
WO/1998/035210A1
Fuel injectors (10) for internal combustion engines are modified and equipped with fiber optic fuel pressure sensors (12) and fiber optic combustion pressure sensors (14). The combustion pressure sensors (14) are located in separate chan...  
WO/1998/027335A1
The present invention pertains to a seam test for fuel injection pumps comprising a pump casing accommodated in the engine case, whereby an outlet (44) from the fuel injection pump, which opens out into an annular space (23) divided by s...  
WO/1998/025016A1
An apparatus and methods are provided for sensing movement of a fuel injector valve of a fuel injection system. The apparatus preferably includes a fuel pump for pumping fuel to flow to a combustion chamber of an engine and a first valve...  
WO/1998/024014A1
The present invention pertains to a method and a device for examining and/or adjusting valves, especially injector valves in an internal combustion engine. The valve is activated by means of an agreed control signal in order for a signal...  
WO/1998/019148A1
An apparatus for determining the spatial and temporal distribution and flow rate characteristics of fluid discharged from an injection nozzle (22) includes a plurality of pressure sensors (28) symmetrically disposed in a spatial array (2...  
WO/1997/044573A1
A method and system implementation of a fail-safe algorithm utilizes the engine controller of a fuel-injected vehicle, and detects leakage in the high-pressure portion of the fuel delivery system. A control volume is defined to include t...  
WO/1997/026093A1
Disclosed is an apparatus (10) for cleaning fuel injectors (44) used for injecting fuel (36) into an internal combustion engine (16). The apparatus (10) comprises a first member (12) for connecting a source of cleaning fluid (8) to a fir...  
WO/1997/023726A1
An ultrasonic apparatus and a method for injecting a pressurized liquid fuel by applying ultrasonic energy to a portion of the pressurized liquid fuel. The apparatus (100) includes a die housing (102) which defines a chamber (104) adapte...  
WO/1997/023717A1
A method for retaining and recalling technical data associated with a solenoid-operated fuel injector (10) improves engine emissions. Each fuel injector is tested to generate technical data specifications relating to the fuel injector. T...  
WO/1997/020136A1
A method for retaining and recalling technical data associated with a solenoid-operated fuel injector (10) improves engine emissions. Each fuel injector is tested to generate technical data specifications relating to the fuel injector. T...  
WO/1997/017539A1
A fuel injection valve for internal combustion engines with a valve body (1) with at least indirect provision for a valve seat (17) at its combustion chamber end and a sprung valve diaphragm (19) forming a valve member, the edge of which...  
WO/1997/010423A1
Described is a method of operating a fuel-injection device, and a fuel-injection device suitable for operation by this method, the fuel being fed in measurable amounts under high pressure to a high-pressure fuel reservoir (1) whose press...  
WO/1996/038664A1
The description relates to a device for detecting a leak in a fuel supply system in an internal combustion engine and especially a diesel engine, in which fuel is supplied to the injection valves at high pressure. The fuel pressure is co...  
WO/1996/036809A1
A bottom feed engine fuel injector (10) is provided with a valve spring calibration adjuster (142) such as an adjusting tube, which permits fuel flow from the top of the injector during manufacturing calibration and run in. The upper end...  
WO/1996/035054A1
The invention relates to a process and device for testing the cam offset in inline injection pumps (REP) of diesel-powered vehicles. The cam offset can quickly and easily be tested in that a standard pressure (D) curve is taken for each ...  
WO/1996/033344A1
An injector control apparatus for holding low and high impedance injectors open, comprises current control means for limiting the current through any one of the injectors if the current through that injector exceeds a predetermined thres...  
WO/1996/031693A1
Described is a device for detecting a leak in a fuel-supply system, the device measuring the fuel-pressure gradient after the fuel pump has been switched off and indicating the presence of a leak if the over pressure in part of the fuel-...  
WO/1996/020339A1
A fuel injection pump unit consists of a fuel injection pump (1), in which a quantity-determining member (6) is set by an actuator (13), its position being detected by a position sensor (15), and of a control unit (2) which calculates an...  
WO/1996/009472A1
A fuel injection nozzle comprises a nozzle body formed with an injection hole, a needle valve for opening and closing the injection hole, an armature connected to the needle valve in a mechanismic manner, and a stator which faces the arm...  
WO/1995/028236A1
An engine cleaner composition and method for removing carbonaceous deposits from engine fuel-system components such as mechanical and electronic fuel injectors, intake valve seats, valves, combustion cylinders, spark plugs, and oxygen se...  
WO/1995/007409A1
A method consisting in successively supplying the injector coils (L1, L2) for a predetermined time by closing the respective switch (S1, S2); discharging the supplied coil into a storage capacitor (12); measuring the charge of the storag...  
WO/1995/006814A1
A method of diagnosing malfunctioning of a high-pressure circuit including a pump (6) for supplying fuel at a pressure value controlled by a pressure regulating solenoid valve (7) supplied with current whose duty cycle is controlled in p...  
WO/1994/029589A1
A fuel injector (20, 30, 40, 50) adapted to be readily monitored as to the opening or closing or degree of opening of its injector nozzle (3) by means of electrically insulating (12) the body (6) of the injector from its nozzle (3) and e...  
WO/1994/023195A1
In prior art processes for adjusting a fuel injection valve, use is made of adjusting components like pins, screws, tubes and sleeves inside the valve, and adjusting tools. This makes heavy demands on the quality of the adjusting compone...  
WO/1994/012788A1
A fluid flow control valve comprises first (12) and second (14) electrically conductive body members separated by an electrically active means (16) having electrical resistance. A valve actuation member (20) slidably locates within the s...  
WO/1993/025888A1
A method and apparatus for cleaning the fuel injection system (12) of a vehicle without disassembling the fuel injectors (34) from the vehicle engine (14). The apparatus includes pump means (54) separate and apart from the vehicle for fe...  
WO1993008401A3  
WO/1993/008401A2
Volumetric metering equipment, especially but not exclusively for use in metering the volume of fluid pumped through one or more injectors (42) by a diesel-engine fuel injection pump, having means which serve to cause the inertia of a mo...  

Matches 351 - 400 out of 3,205