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WO/2009/144374A1 |
A method of balancing the cylinders (3) of a diesel engine (2), in which method the starting moment of the combustion process in each cylinder (3) is defined and the defined starting moment of the combustion process is compared to a spec...
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WO/2009/143858A1 |
The invention relates to a method for controlling an injection process of a direct-injection internal combustion engine (33) of a vehicle (34). In the method in which a fuel is injected into a combustion chamber of the internal combustio...
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WO/2009/137297A1 |
A method and system for estimating engine parameters in a combustion engine gas exchange system based on dynamic pressure readings taken by one or more pressure sensors. According to an exemplary embodiment, the method and system may use...
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WO/2009/134854A2 |
A method for controlling an internal combustion engine includes monitoring an engine operating state and selectively operating the engine in a multiple-injection, multiple-ignition combustion mode comprising three injection events based ...
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WO/2009/134834A2 |
A method for controlling a homogeneous-charge compression-ignition capable engine, operating with spray-guided spark ignition stratified combustion at low load, includes monitoring a speed of the engine, monitoring a load of the engine, ...
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WO/2009/132182A1 |
A sensor that is designed for determining ambient pressure for purposes of derating an internal combustion engine at high altitudes, is used to determine the condition of the air filter by taking pressure measurements in the intake manif...
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WO/2009/129075A1 |
A method for diagnosing combustion within a direct-injection, internal combustion engine including a plurality of combustion chambers and operative lean of stoichiometry includes monitoring combustion in the combustion chambers and estim...
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WO/2009/127234A1 |
A method for detection of pre-scuffing events in a large multicylinder two-stroke diesel engine by recognizing the characteristic temperature fluctuations of pre-scuffing events on the basis of information from at least two different cyl...
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WO/2009/127232A1 |
A method for detection of pre-scuffing events in a large multicylinder two-stroke diesel engine by recognizing the characteristic temperature fluctuations of pre-scuffing events. The temperature fluctuations are characterized by the time...
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WO/2009/126554A1 |
A method for improving energy efficient operation of a vehicle includes monitoring vehicle operating characteristics, modeling operation of the vehicle by utilizing the vehicle operating characteristics to estimate energy consumption rat...
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WO/2009/122011A1 |
The invention relates to supplying pilot fuel to the cylinders of a combustion engine. The invention comprises cylinder-specific pressure sensors (1) that are installed in the cylinders of the combustion engine, as well as a control unit...
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WO/2009/122012A1 |
The invention relates to balancing the cylinders of an internal combustion engine. The invention comprises cylinder-specific pressure sensors (1) installed in the cylinders of an internal combustion engine for measuring the cylinder pres...
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WO/2009/034444A9 |
A minute amount of fuel is injected into a combustion chamber during fuel cut, and a cylinder pressure is detected when the minute amount of fuel is being combusted. Then a combustion ratio is calculated based on the detected cylinder pr...
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WO/2009/112907A1 |
A cetane number estimation method is provided in which: the preliminary injection is preformed multiple times at different compression end temperatures with a fuel tank (26) containing fuel having a predetermined cetane number, and an en...
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WO/2009/112056A1 |
The present invention relates to a diesel internal combustion engine comprising a particulate filter, an exhaust gas aftertreatment system, a control unit for regenerating the particulate filter, and comprising a) at least one temperatur...
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WO/2009/111368A1 |
A system to prevent engine stalls for a machine having a power source is disclosed. The power source is in communication with a controller, which is configured to determine the temperature of the power source and compare the temperature ...
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WO/2009/100844A1 |
Device for measuring cylinder pressure in an internal combustion engine, comprising at least one pressure sensor (1) consisting of at least one piezoelectric element associated with a capacitive element, one output (10) generating a firs...
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WO/2009/100353A2 |
An apparatus, system, and method are disclosed for efficiently increasing exhaust flow temperature for an internal combustion engine. The method (700,800) includes checking (702) whether a user input to disable an exhaust valve opening m...
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WO/2009/083776A2 |
An ECU includes: an engine control unit (8100) that controls devices provided for an engine on the basis of a target engine rotational speed; and an engine model (8300) that calculates the target engine rotational speed such that the tar...
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WO/2009/078210A1 |
A high-pressure pump cam position detecting device for a high-pressure pump which enables a reduction in the detection time of a cam top position when an engine is started in the high-pressure pump for an accumulator fuel injection devic...
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WO/2009/079621A2 |
A method for controlling an amount of fuel reforming in an internal combustion engine configured to selectively operate in a homogeneous charge compression- ignition combustion mode with an exhaust recompression strategy includes monitor...
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WO/2009/073283A2 |
An open-loop control system that provides control signals to active engine mounts to reduce or eliminate the transfer of engine vibration to a vehicle body structure, where the system uses only a crank signal from the engine as an input....
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WO/2009/065549A1 |
Method of determining a value representative of the pressure in a combustion chamber of an internal combustion engine, comprising the following steps: i. measuring the vibration level (2) of the internal combustion engine by means of an ...
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WO/2009/061558A1 |
In an automotive system (300), a knock detection scheme is provided for detecting knock events in an internal combustion engine that are sensed by a transducer structure, such as a non-intrusive acoustic accelerometer sensor (310) to gen...
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WO/2009/057541A1 |
A fuel injection valve has an injector body (4z) and a fuel pressure sensor (50z). The injector body (4z) has formed in it high-pressure paths (6bz, 6cz) for allowing high-pressure fuel to flow to a nozzle and receives a piezo actuator (...
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WO/2009/057543A1 |
A fuel pressure detection device used for a fuel injection system for an internal combustion engine, in which the fuel injection system supplies fuel from a common rail (pressure accumulator) to an injector (fuel injection valve) via hig...
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WO/2009/057540A1 |
A fuel injection valve has an injector body (4z) having formed in it high-pressure paths (6az, 6bz, 6cz) that allow high-pressure fuel to flow to a nozzle and receiving a piezo actuator (2z)(opening/closing mechanism), a back pressure co...
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WO/2009/057542A1 |
A fuel injection valve has an injector body (4z) having formed in it high-pressure paths (6az, 6bz, 6cz) that allow high-pressure fuel to flow to a nozzle and receiving a piezo actuator (2z)(drive means) etc. for operating a needle (valv...
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WO/2009/055809A2 |
A method of operating an engine is disclosed, which includes determining a peak power condition for the engine, measuring a temperature associated with the engine at said peak power condition, comparing the temperature measured with a pr...
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WO/2009/054559A1 |
An an apparatus for preventing an overheating of a vehicle engine, and a method for the same are disclosed, which overcome the problems encountered in the conventional art and are able to prevent a fire owing to an overheating of an engi...
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WO/2009/042266A1 |
An aircraft engine includes a cylinder assembly knock detection and control system having a set of knock detection sensors and an engine controller. Each cylinder assembly of the aircraft engine carries a knock detection sensor and each ...
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WO/2009/038885A1 |
A controller, in electrical communication with the one or more of the injectors and a high-pressure fuel pump, generates a first signal responsive to which the valve in the injector opens or closes and a second signal responsive to which...
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WO/2009/037070A1 |
The invention relates to a method for regulating the combustion position in an internal combustion engine having a plurality of cylinders, in particular a diesel internal combustion engine, wherein at least one engine operating parameter...
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WO/2009/033950A2 |
The invention relates to a control device and a method for regulating a combustion process in an internal combustion engine, wherein fuel is injected into the internal combustion engine for combustion, wherein exhaust gas is returned in ...
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WO/2009/019875A1 |
Provided is an exhaust emission purifying device having a sensor disposed at a portion where no erroneous detection of data occurs. The exhaust emission purifying device comprises a casing for enveloping a catalyst carrier, a mixing pipe...
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WO/2009/013117A2 |
The invention relates to a method for operating an internal combustion engine having at least one injection valve (10) which, in the region of an associated cylinder of the internal combustion engine, is mechanically coupled to the cylin...
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WO/2009/010342A1 |
The invention relates to a device and a method for controlling an internal combustion engine, wherein the amount of fuel to be injected is influenced as a function of a lambda signal. A target value for the lambda signal is specified bas...
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WO/2009/004196A2 |
The invention relates to a method for calibrating the offset of a signal representative of a pressure (P_brut) in the combustion chamber (2) of a thermal engine, a cylinder pressure sensor (4) being provided in the combustion chamber (2)...
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WO/2009/000614A1 |
The invention relates to an assembly (2), in particular for a controller of a generator, having an electronic component (4) which generates heat during operation, a cooling element (6) and a power component (8) made from copper (22) whic...
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WO/2008/146078A1 |
Method, recording support and device to calibrate fuel injection The method to calibrate the fuel injection in at least one combustion chamber of a Diesel engine comprises: a) recording (78) the combustion noise power or amplitude in the...
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WO/2008/146108A1 |
In an internal combustion engine control device having an air-fuel ratio control device that controls the fuel injection amount so that the air-fuel ratio of exhaust gas of an internal combustion engine approaches a target stoichiometric...
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WO/2008/139091A2 |
The invention relates to an internal combustion engine of the Diesel type, that comprises at least one cylinder with a combustion chamber and a fuel injector, and is provided with a closed-loop adjustment device of the average indicated ...
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WO/2008/135075A1 |
The present invention relates to a method to operate an internal combustion engine, characterised in comprising the steps of direct or indirect measurement in a cylinder and/or in a working cycle of the time or point or area/band where t...
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WO/2008/131788A1 |
The present invention relates to a method for operating a motor vehicle internal combustion engine having a controller for adjusting NOx emissions in the exhaust gas, wherein a NOx controller is combined with a combustion controller. A c...
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WO/2008/110346A2 |
The invention relates to a method for regulating an injection of an injector of a direct-injection internal combustion engine, and to a corresponding device. According to the invention, the regulation is based on a cylinder pressure cour...
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WO/2008/110345A2 |
In order to improve a combustion process of a motor vehicle, the invention provides a method for regulating an injection progression, during which a fuel is injected, wherein at least one first parameter associated with a progression, pa...
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WO/2008/107583A1 |
The invention relates to a method, and to the corresponding device, for processing a pressure signal (p) from a pressure sensor mounted in a combustion chamber in order to detect a combustion in an internal combustion engine, that compri...
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WO/2008/106487A2 |
One embodiment includes windmilling a boost assist device by passing intake air through the boost assist device during operating modes where the device is not required to be operated (i.e., is not being actively powered). The windmilling...
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WO/2008/102917A1 |
In an internal combustion engine, an exhaust pipe (13) is connected to an exhaust exit opening (12) of an exhaust manifold integrated type cylinder head (3), and a sensor (15) having a detecting portion (15a), which may be broken by the ...
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WO/2008/098852A1 |
The aim of the invention is to reduce the complexity of an indicating arrangement (6) on an internal combustion engine in order to determine a parameter. Said aim is achieved by calculating crank angle data from a measured variable in a ...
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