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Matches 1 - 50 out of 3,105

Document Document Title
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...  
WO/2016/128126A1
Fuel supply unit for an internal combustion engine, in particular a common rail fuel supply unit for a marine diesel internal combustion engine using fuel oil, having multiple fuel pumps connected in parallel in a pressure control circui...  
WO/2016/120039A1
The present disclosure relates to a control apparatus (1) for controlling supply of a liquid. The control apparatus (1) has a reservoir (3) for storing a liquid. A plurality of like supply conduits (7) are connected to the reservoir (3)....  
WO/2016/121884A1
[Problem] To provide a displacement detection device which is for detecting displacement of an object to be measured contained inside a housing, and which does not change the design of the housing or limits a change in the design of the ...  
WO/2016/120377A1
The invention relates to a method for the recognition of a leakage in a heat recovery system of a fuel-injecting internal combustion engine (1), wherein the heat recovery system (5) has at least one working medium circuit (6) with a - in...  
WO/2016/110618A1
The invention relates to a method and a device for detecting the presence of a spring (3) on a seal on the stem (1a) of a relief valve (1), the method comprising the step of fitting the stem seal (1a) of the relief valve in a detection d...  
WO/2016/066500A1
The invention relates to a device (1) for sensing an operating pressure of a fuel pump (100) for a motor vehicle, wherein the device comprises: a rotational-speed sensing apparatus (10), which is designed to sense a rotational speed of t...  
WO/2016/037766A1
The invention is about a sensor and fixation means assembly (30) wherein, the sensor is fixed to a fixation means said fixation means being fixedly attachable on an external convex curved surface (28) of a fuel injector (10). In use, the...  
WO/2016/037790A1
A driveshaft assembly, for example in an Electronic Unit Injector, Unit Injector or Electronic Unit Pump testing machine, wherein an indexing means, such as complementary external and internal splines, enables a cam to be mounted on a sh...  
WO/2016/034315A1
The invention relates to a method for testing a high-pressure pump (8), in particular a high-pressure pump which is provided for injecting fuel into an internal combustion engine. The method comprises filling the high-pressure pump (8) w...  
WO/2016/012242A1
A fuel injector (10) comprising a needle (16) able to move between a fully open position (PO) and a closed position (PF) is provided with a device (82) for tracking the position of the needle, in which an electrical circuit (84) is close...  
WO/2016/008640A1
A fuel injector (10) for an internal combustion engine comprises: an injector body (12) in which there are positioned an actuator (14), a control valve (21) and a needle guide (24). The actuator actuates the control valve (21), the contr...  

Matches 1 - 50 out of 3,105