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Matches 1 - 50 out of 3,152

Document Document Title
WO/2018/130379A1
The invention relates to a method and a device for detecting and characterizing fuel leakage in an injection system of an internal combustion, which more particularly is not in operation, and a vehicle having such a device. The injection...  
WO/2018/114081A1
The invention relates to a method for determining an injection quantity of an injector which is associated with a cylinder of an internal combustion engine, wherein the internal combustion engine has at least two injectors, and wherein t...  
WO/2018/108414A1
The invention relates to a method for determining an injection amount of at least one injector (18) of a fuel metering system of an internal combustion engine (10) of a vehicle, wherein the internal combustion engine (10) is torque-trans...  
WO/2018/099621A1
The invention relates to a fuel supply system, in particular a common-rail fuel supply system, of an internal combustion engine, which in particular is designed as a large diesel internal combustion engine or marine diesel internal combu...  
WO/2018/096940A1
The fuel injection control device (41) is applied to a fuel injection system provided with a fuel injection valve (30) driven by power supplied from a battery (51) and a current detection unit (44) for detecting a drive current of the fu...  
WO/2018/084711A4
A combustion pressure sensor comprises a sensor body (9), at least one first optical fibre (1, 2) inserted into the sensor body (9), and a resiliently deformable membrane (7; 13) attached to the sensor body (9). The at least one first op...  
WO/2018/084711A3
A combustion pressure sensor comprises a sensor body (9), at least one first optical fibre (1, 2) inserted into the sensor body (9), and a resiliently deformable membrane (7; 13) attached to the sensor body (9). The at least one first op...  
WO/2018/072960A1
The invention relates to a method (100) for operating a fuel injection system (2) having a plurality of injectors or valves (21a, 21b, 21c) which can each be actuated by associated electromagnets (22a, 22b, 22c), wherein the electromagne...  
WO/2018/069376A1
A system adapted to detect the electrical continuity between components of an actuator operated fuel injector (1), where said components are adapted move relative to one another in operation, said system including a wire (7) connected to...  
WO/2018/065198A1
A method for determining an opening time (tö) at which a solenoid valve (37) which has a coil (41) opens completely is disclosed, wherein the method comprises: in a first phase (B) of an opening process, applying a predefined voltage (2...  
WO/2018/051682A1
An ECU (20) serving as the valve body operation estimation device is provided with a sampling part (61), a variation calculation part (63), and a timing estimation part (64). The sampling part (61) acquires, at a predetermined time inter...  
WO/2018/013032A1
The present invention relates to a method for diagnosing unintended fuelling from one or more fuel injectors of a multi cylinder internal combustion engine during engine operation. Pressurised fuel is intended to be distributed by means ...  
WO/2018/004426A1
A method (300) and a system (200) for determining a temperature (Ttot) for pressurized fuel included in a high pressure fuel system (250) arranged for providing fuel to an engine (101) are presented. The method (300) includes determining...  
WO/2018/002610A1
The present invention relates to the technology of gasoline direct injection (GDI) in automotive engines. In this context, the present invention provides a method for maximizing the formation of deposits in injector nozzles of GDI engine...  
WO/2017/212015A1
A method for detecting a leak in a liquid system (e.g. for cleaning windows, fuel system or urea based SCR-system), the liquid system comprising a tank for storage of a liquid solution, an injector, a feed line arranged between the tank ...  
WO/2017/207726A1
A method is described for adapting the opening behaviour of a fuel injector having a solenoid drive. The method has the following steps: (a) applying a voltage pulse having a predefined electrical voltage to the solenoid drive, (b) detec...  
WO/2017/202790A1
A method of testing a fuel injection system or components thereof, the testing being implemented by running a high pressure fuel pump to provide fluid under pressure to said fuel injection system or components, where the pump flow is con...  
WO/2017/191730A1
This fuel injection control device includes a correction unit (21) which uses a valve closing timing detected using a timing detection method, to calculate a correction coefficient for correcting a valve closing timing detected using an ...  
WO/2017/191732A1
This fuel injection control device is provided with a conduction time calculation unit (S14), a detection unit (54), an estimation unit (55), a correction unit (S13), a sudden change determination unit (S41, S41a), and a reflection speed...  
WO/2017/191731A1
This fuel injection control device is provided with a conduction time calculation unit (S12), a setting unit (S14, S15), a conduction control unit (S16), a detection unit (54), an estimation unit (55), and a changing unit (S47). If parti...  
WO/2017/186691A1
A nozzle assembly (12) of a fuel injector (10) provided with a contactless switch means (59) adapted to commute between an open state and a closed state to enable electrical detection of the position of the needle (16).  
WO/2017/186956A1
Top guide assembly (42) designed to be arranged in a fuel injector (10) and extending along the longitudinal axis (X), compressed between a nozzle body (16) and a control valve body (20), the top guide assembly (42) comprising a top guid...  
WO/2017/186819A1
Fuel injector for an internal combustion engine, comprising an injection nozzle (12) with a body (16) in which there is positioned a needle (14) able to move between a closed position (PF), in which a first end (48) of the needle rests a...  
WO/2017/167627A1
The invention relates to a fuel injector for an internal combustion engine, which comprises an injection nozzle (12) with a body (16) inside which a needle (14) is arranged movable between a closed position (PF), in which a first end (48...  
WO/2017/153064A1
Fuel injection valve having an injector housing (1) and a nozzle body (2) which forms a high pressure chamber (3) which can be filled with highly pressurized fuel. A nozzle needle (4) which is configured such that it can be moved with a ...  
WO/2017/144479A1
A fuel injector has a head portion adapted to provide connections from and to an ECU to selectively energize an actuator to start and stop fuel injection pulses, a fuel supply connection for supplying fuel into the injector at an elevate...  
WO/2017/144766A1
The method for determining the diameter (Ds) of a nozzle seat (6) of a fuel injector that comprises a noz- zle body (1), a nozzle seat (6) arranged in the nozzle body (1) and an injector needle (5) comprising a seal- ing surface (8) coop...  
WO/2017/130104A1
The invention relates to an injection system (1), a control unit (16) and a method for controlling the quantity of fuel injected into an internal combustion engine, wherein said system (1) comprises at least one injector (14), an injecti...  
WO/2017/108342A1
The invention relates to a method for producing a valve (1) that can be electromagnetically actuated which method comprises an electromagnet (2, 2a, 2b), an armature (3) that can be moved by the electromagnet (2, 2a, 2b), and a valve bod...  
WO/2017/102292A1
The invention relates to a method for determining the injection rate of an injection valve (1) using a mathematical model which is based on measurement values comprising the stroke (x) of a piston (3) that delimits a measurement chamber ...  
WO/2017/097888A1
The invention relates to a pressure measurement device (1) for determining the pressure of a fluid (3) arranged within a cylindrical casing (2), having at least one sensor by means of which a force acting thereon can be determined, and h...  
WO/2017/072081A1
A fuel injector for an internal combustion engine, comprising: an injection nozzle (12) with a body (16) in which a needle (14) is arranged; a control chamber (46) collaborating with a control valve driven by an actuator. A device for de...  
WO/2017/060561A1
The leakage detection arrangement for detecting a leakage in a fuel injection system comprises a fluid chamber (1) arrangeable in fluid communication with a leakage channel (2, 3), an indicator element (5) that is configured to move due ...  
WO/2017/050461A1
An injector test device (2) comprises a fluid pump (6), designed to pump a test oil; a motor (8), mechanically connected to the fluid pump (6) and designed to drive the fluid pump (6); and a rail (10) designed to accommodate the test oil...  
WO/2017/050462A1
An injector test device (2) comprises a fluid pump (6), designed to pump a test oil; a motor (4), mechanically connected to the fluid pump (6) and designed to drive the fluid pump (6); at least one injector holder (16) for accommodating ...  
WO/2017/045866A1
The invention relates to a method and to an assembly for operating an injection system of an internal combustion engine, comprising a first injector (10) and at least one second injector (10), wherein the injection system has a high-pres...  
WO/2017/031598A1
A method for deposit mitigation in a gaseous fuel injector that introduces a gaseous fuel through a gaseous fuel orifice directly into a combustion chamber of an internal combustion engine includes at least one of a) reducing the length ...  
WO/2017/021288A1
An injection nozzle (21) for an internal combustion engine, the nozzle (21) comprising an elongate hollow body (23) and a needle (22) arranged to reciprocate within the hollow body (23) to permit fuel to be dispensed from at least one ap...  
WO/2017/016638A1
The invention relates to a power generating assembly (1) comprising an internal combustion engine (3) and a combustion gas supply (5) which is connected to the internal combustion engine (3) in order to supply combustion gas. The combust...  
WO/2017/006814A1
In order to reduce or eliminate factors influencing an individual difference learning result and not caused by valve body behavior, and to detect an individual difference of a fuel injection device with high precision, as well as to dete...  
WO/2016/206982A1
A nozzle assembly (16) of a fuel injector comprises a nozzle body in which a needle member (84) is adapted to translate. The nozzle assembly is further provided with an electrical circuit comprising the needle member (84), the nozzle bod...  
WO/2016/206802A1
The invention relates to a method for cleaning injectors of a direct-injection controlled-ignition engine, whereby, when the said engine is operating at no load, the maximum fuel pressure at the injector is calculated first of all with a...  
WO/2016/188647A1
A device (1) for measuring the injection rate dm(t)/dt of an injection valve (2) for a fluid (4a), wherein m(t) is the injection quantity of the fluid (4a) as a function of the time (t), having a measurement volume (3) which is closed of...  
WO/2016/189546A1
In present invention, the correctness of the quantity of fuel flowing into the engine through fuel pump is determined by a 'load cell' in which the weight of the fuel is sensed by an electronic sensor, processed by a specially designed p...  
WO/2016/189546A4
In present invention, the correctness of the quantity of fuel flowing into the engine through fuel pump is determined by a 'load cell' in which the weight of the fuel is sensed by an electronic sensor, processed by a specially designed p...  
WO/2016/168875A1
The invention relates to a dual-fuel internal combustion engine (1) comprising a controller (2) for controlling the internal combustion engine and at least two piston/cylinder units (3), each of which is paired with a fuel injector (4) f...  
WO/2016/165892A1
The invention relates to a method for operating a directly actuated piezo-controlled injection valve. After ascertaining the closing time and the closing duration of a closure element of the injection valve when an injection process is c...  
WO/2016/162448A1
Positive linear displacement flow rate meter and a method of use, the meter comprising a first chamber for receiving a substance such as diesel from a fuel injector and applying a substance force to one end of a piston, wherein an opposi...  
WO/2016/155746A1
A method of testing an injector valve for liquid gas such as methanol. A new injector valve for methanol for a two stroke combustion engine has been developed by MAN Diesel & Turbo. The injector valve is supplied with sealing oil and con...  
WO/2016/134709A1
The invention relates to a method for simulating malfunctioning solenoid valves (1) for an internal combustion engine by influencing an activation time (16) and a deactivation time (17) of the solenoid valve (1). A current with a specifi...  

Matches 1 - 50 out of 3,152