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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)....
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2016/005190A1 |
The invention relates to an outwardly opening valve (1), in particular for systems on internal combustion engines, comprising a valve seat (9) and an outwardly opening nozzle needle (7) that can be actuated by an actuator (6). The nozzle...
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WO/2015/197252A1 |
The invention relates to a device for determining the mass of fluid (2) discharged by an injector (13), the device comprising a housing (1) which is impermeable to fluid and which serves for storing fluid, said housing having an injector...
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WO/2015/197575A1 |
Methods are known for measuring time-resolved throughflow processes using a rotary displacement element (14), a pressure difference sensor connected in parallel in the form of a piston (24) arranged in a measuring chamber (22), a distanc...
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WO/2015/189059A1 |
A method is described for characterizing a coupling element which converts the translatory stroke of the piezo actuator of a piezo injector into a pressure differential opening the nozzle needle. A test activation of the piezo actuator w...
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WO/2015/185480A1 |
An injection system (115) for injecting a liquid medium (120) into an exhaust gas system (100) comprises a positive displacement pump (125) for delivering the medium (120), a drive device (130) for the positive displacement pump (125), a...
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WO/2015/176845A1 |
The invention relates to a method for determining the closing characteristic of the control valve of a piezo servo injector of an injection system which has a pressure accumulator. A test charge of the actuator of the piezo servo injecto...
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WO/2015/154949A1 |
In a piezo-electrically actuated fuel injector, a method of determining or providing a measure the gap between the end of the piezo electric stack/actuator and the valve, and/or the point at which the gap is zero, comprising energising t...
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WO/2015/154923A1 |
The invention relates to a pressure accumulator device and to a method for operating a pressure accumulator device for a fluid, in particular for a motor vehicle fuel injection system, in which method a fluid is supplied at high pressure...
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WO/2015/146090A1 |
A control device (40) for controlling fuel injection by a fuel injection valve (30) is equipped with: a setting part (42) for setting a required injection amount, that is, an injection amount required of the fuel injection valve (30); a ...
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WO/2015/125208A1 |
Provided is a fuel supplying system capable of improving the supply capacity of fuel supplied to an engine combustion chamber during engine startup. A controller for the fuel supplying system determines at engine startup whether the actu...
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WO/2015/090859A1 |
The invention relates to a method for operating an injection valve, the nozzle needle of which is actuated by a piezo actuator, wherein the dynamic lift profile of the nozzle needle is determined and controlled. The variables comprising ...
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WO/2015/074793A1 |
The invention describes a method for operating an injector of an internal combustion engine, the nozzle needle of said injector being operated by a piezo actuator by means of a servo valve. The idle travel of the piezo actuator is elimin...
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WO/2015/076728A1 |
The present invention pertains to a method at the adaptation of at least one injector (201-206} in a combustion engine (101), wherein said combustion engine (101) comprises a number n of combustion chambers (c1-c6), and wherein fuel may ...
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WO/2015/051958A1 |
It is described a measurement device (100) and a measurement method for measuring a flow distribution of a liquid spray stream (195, 395) which has been atomized by a nozzle (190, 390). The measurement device comprises a sensing wire (11...
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WO/2015/052332A1 |
The invention relates to an injection valve (1), comprising: an injector body (2) having a cut-out (3), a fluid inlet (7), and a fluid outlet (9); a needle body (10), which is arranged such that the needle body (10) can move axially in t...
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WO/2015/039992A1 |
The invention relates to a fuel injector (10; 10a to 10e) comprising an injection member (20) which is arranged in an injector housing (11) and is movable along a longitudinal axis (17) for releasing and closing at least one injection op...
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WO/2015/015541A1 |
Provided is a drive device that detects individual variation in the injection amount of the fuel injection devices for each cylinder, and is able to adjust the injection pulse width and the current waveform applied to a solenoid so as to...
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WO/2015/009223A1 |
The present invention pertains to a plug assembly (16) and a method to maintain and eliminate a fluid pressure in an accumulator tank (9). The plug assembly (16) comprises a fastening device (18), with which the plug assembly may be fast...
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WO/2015/005844A1 |
In a method to determine the opening degree of injectors (7) in cylinders in a combustion engine (2) with at least three cylinders, wherein the injectors are connected to a fuel accumulator (8) in a common rail fuel injection system, the...
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WO/2015/002593A1 |
A method and a system for analysis of a function for at least one injection device 131...13N in a combustion engine is described. Spin-down times T1...TN related to injection devices in an engine are first determined. Subsequently, an ad...
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WO/2015/002597A1 |
A method and a system for analysis of a function in at least one system related to a combustion engine 101 in a vehicle 100 is described. The system comprises an engine load device, which is arranged for the build-up of an engine load L ...
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WO/2014/204707A1 |
An internal combustion engine has a fuel injector that is controlled by an engine control unit. According to one embodiment a device receives from a temperature sensor information corresponding to the temperature of the engine. The devic...
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WO/2014/198446A1 |
The invention relates to a fuel injector (10) comprising: a fuel supply line (14); a fuel injection valve member (17) for outputting fuel into the combustion chamber of an internal combustion engine, the injection valve (17) being connec...
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WO/2014/195557A1 |
The fuel system for introducing liquid fuel into the cylinders of a piston engine comprises a fuel tank (1) for storing the fuel, a pump (2) for pressurizing the fuel, at least one fuel injector (3) for injecting fuel into a cylinder of ...
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WO/2014/195326A1 |
Device for testing a fuel injector (10) or a fuel injection nozzle (10) of an internal combustion engine, having a pump (12) which generates an injection pressure and with the aid of which test medium, in particular fuel, which is provid...
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WO/2014/173920A1 |
A valve assembly (14) for an injection valve (10) comprises: -a valve body (20) comprising a central longitudinal axis (L) and a cavity (24) with a fluid inlet portion (26) and a fluid outlet portion (28), -a valve needle (22) axially mo...
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