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WO/2019/222967A1 |
A simulation test apparatus for detecting a nozzle, comprising: an air pressure regulation apparatus, a first valve (100), a second valve (200), a fuel storage apparatus (21), a third valve (300), a pump component (23), a test part (600)...
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WO/2019/206601A1 |
The invention relates to a method for operating an electrical suction valve in a common rail system of an internal combustion engine having a high-pressure pump (100), comprising a pump chamber (6) having a pump piston (7), wherein the e...
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WO/2019/206603A1 |
The invention relates to a method for operating a high-pressure pump (100) for generating high pressure in a common rail system of an internal combustion engine, comprising an electronic controller (9) which carries out a quantity contro...
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WO/2019/199277A1 |
A method is disclosed of controlling operation of a fuel injector in response to measuring a quantity of fuel injected by the fuel injector from a fuel accumulator to an engine cylinder during operation of a fuel pump that delivers fuel ...
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WO/2019/181291A1 |
Provided is an internal combustion engine control device which can reliably diagnose whether a fuel injection cut-off function is functioning normally, and which allows starting of the internal combustion engine when the fuel injection c...
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WO/2019/174901A1 |
The invention relates to an arrangement (1) comprising: - a fuel injector (3) arranged on an injection chamber (5) for injection into the same, - an acoustic sensor arrangement (19) which is specific to the injection chamber and is desig...
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WO/2019/117786A1 |
In a method for checking a functionality of a high-pressure accumulator fuel injection system of an internal combustion engine (1) the proper function of each inlet valve (10, 11) to a pumping element (7, 8) of a high-pressure pump (6) i...
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WO/2019/117785A1 |
In a method for checking the functionality of individual pumping elements of a high-pressure pump (6) in a high-pressure accumulator fuel injection system of an internal combustion engine (1) this is done by driving the pump while demand...
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WO/2019/110169A1 |
The invention relates to a method and to a device for characterizing the injection behavior of an injection valve (15) for liquids, which method comprises the method steps of injecting liquid into a measurement chamber (11) by means of t...
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WO/2019/101519A1 |
The present invention proposes a testing device (40) for parts to be tested of a fuel injection valve of an internal combustion engine, comprising: a connection block (30) having a plurality of branch holes (32) communicated with each ot...
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WO/2019/076824A1 |
A fuel injector test machine (30) wherein an injector is fixed on a test feature (44) by means of a manually operable clamp (60).
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WO/2019/057959A1 |
A fuel injector (12) comprises a noise sensor (60) fixed to the body fixed on the injector a body (28) to record knocks relevant to the end travel of a control valve and of a needle.
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WO/2019/052884A1 |
An apparatus (10) and a method for testing a fuel injector nozzle (12) with a tip having at least one fuel outlet (18)are provided. The apparatus comprises a test chamber (14), a holder (16) for holding the fuel injector nozzle (12) such...
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WO/2019/030021A1 |
A circuit arrangement for electrical connection between an ECU and a switch integral within a fuel injector, said circuit arrangement comprising a first resistance, and arranged in parallel with said first resistance, a diode and second ...
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WO/2019/016380A1 |
The invention relates to a device for sensing the state of an injector, comprising an injector for injecting fuel into an engine combustion chamber, a switch, which is designed to change the switching state thereof in accordance with the...
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WO/2018/219829A1 |
The invention relates to a maintenance system (10) for a fuel injection system (12) provided in an internal combustion engine, the fuel injection system (12) defining a hydraulic circuit comprising a high-pressure pump (28), a solenoid v...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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).
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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