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WO/2013/032844A1 |
Methods of engine system control responsive to oxygen concentration estimated from engine cylinder pressure.
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WO/2013/026517A1 |
In a measurement arrangement for determining specific and/or absolute emissions values for NOx and/or CO2 (19) in an internal combustion engine (3), it is proposed that the profile with respect to time (5) of the cylinder pressure (1) at...
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WO/2013/026950A1 |
The inventive arrangement comprises a control unit (1) that is arranged to form misfire control commands to cylinder specific regulating units and is connectable to cylinder specific first sensors (3). The control unit is also connectabl...
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WO/2013/026949A1 |
The inventive arrangement comprises a control unit (1) that is arranged to form knock control commands to cylinder specific regulating units and is connectable to cylinder specific first sensors (3). The control unit is also connectable ...
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WO/2013/028940A1 |
An engine system may include a fuel and air supply circuit and an exhaust circuit, a temperature sensor mounted on an exterior of the engine and an oxygen sensor located in the exhaust circuit. The fuel and air supply circuit may include...
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WO/2013/027689A1 |
To provide an engine-operated working machine capable of preventing an engine from stopping due to fouling on a spark plug while suppressing an increase in the speed of the engine during starting. The engine is configured such that, duri...
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WO/2013/017920A1 |
System for controlling the carburetion of an internal combustion engine comprising the following activities: a) starting the engine; b) determining the factor λο using any known method; c)measuring the ionization current cio; d) modify...
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WO/2013/014739A1 |
A particulate matter sensor (8), which emits output according to the quantity of particulate matter in gas, is installed on an exhaust path (4) of an internal combustion engine (2). A control device (10) is provided with a means for dete...
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WO/2012/152470A1 |
The invention relates to a method for operating an internal combustion engine (100) having at least one laser sparkplug (110). According to the invention there is provision that at least one operating variable (B1, B2, B3) of the interna...
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WO/2012/137282A1 |
The purpose of the present invention is to inhibit degradation of a sensor provided to an exhaust channel. This exhaust purification device for an internal combustion engine is provided with: an exhaust-heating means (3) for heating exha...
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WO/2012/135328A2 |
Featured is an accurate and inexpensive system to detect and report engine idling in a vehicle including a detection portion and a reporting portion. The detection portion detects or senses the presence of voltage from the vehicle's igni...
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WO/2012/131788A1 |
A cylinder internal-pressure sensor is provided with: a housing unit (2) which is formed from an outer cylinder section (2e) and an inner cylinder section (2i) obtained by forming elastic portions (2es, 2is), having elasticity in the axi...
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WO/2012/132080A1 |
A cylinder pressure sensor (18) is provided on the cylinder head (14) of a stationary gas engine (10), an instrumentation device installation device (30A) is provided on the engine frame (12), and an amplifier (22) that amplifies signals...
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WO/2012/133435A1 |
A computing unit (15) measures the elapsed time every time a pickup (9b) detects a tooth. When fuel is injected with reference to the latest tooth number detected by the pickup (9b) from the computing result of the fuel injection timing,...
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WO/2012/127133A1 |
The present invention relates to a method for monitoring a supercharged controlled-ignition internal combustion engine (10) for driving a motor vehicle and including an intake line (30) for at least one cylinder (12). According to the in...
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WO/2012/128791A1 |
Methods and systems are provided for addressing cylinder-to-cylinder imbalances in the incidence of pre-ignition and/or knock. Engine cylinders are fueled based on each cylinder's pre-ignition count to balance the incidence of pre-igniti...
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WO/2012/122205A2 |
A machine (10), such as an electrically powered track type tractor, includes an engine (16) configured to rotate a generator (18). A drive coupling (20) has a first element fixed to rotate with the engine (16) and a second element fixed ...
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WO/2012/114380A1 |
Provided is a knocking sensor having favorable insulation properties even at usage temperatures of 150°C and higher, and having superior knocking detection precision. A knocking sensor (10) comprises a sensor body (20) and a resin moldi...
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WO/2012/115036A1 |
In an in-cylinder pressure detecting device of a fuel direct injection type internal combustion engine, an annular pressure detecting element (34) is installed around a fuel injection hole (33b) at a position close to the tip end of an i...
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WO/2012/114721A1 |
In order to improve the airtightness with respect to the combustion chamber for a glow plug equipped with a combustion pressure sensor, a glow plug (100) is equipped with: a housing having a roughly cylindrical main body metal fitting th...
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WO/2012/105308A1 |
Provided is an engine that enables a reduction in complicated operations during manufacturing, and a reduction of the outer diameter of a rotor. The engine is provided with an annular member (51). The annular member (51) is formed in an ...
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WO/2012/098644A1 |
Provided is a multi-cylinder internal combustion engine equipped with a turbocharger, wherein a twin entry turbo having two exhaust gas inlets provided in a turbine is used as the turbocharger, a first exhaust passage is provided for dir...
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WO/2012/095076A2 |
The aim of the present invention, independently of the assumption that a pre-ignition/auto-ignition generates similar high-frequency pressure vibrations in the combustion chamber, such as a knocking combustion, and independently of a con...
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WO/2012/087020A2 |
The present invention provides a low idle control system of construction equipment and an automatic control method thereof. Said low idle control system of the construction equipment comprises: a front angle change sensing means (10) whi...
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WO/2012/085443A1 |
The invention relates to a system for controlling a diesel internal combustion engine provided with a circuit for partially recirculating the exhaust gases, including a means (3) for estimating set values of intake-air parameters, charac...
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WO/2012/084466A1 |
The invention relates essentially to a system for monitoring the operation of a motor vehicle internal combustion engine comprising at least two measurement devices (1), each measurement device (1) being configured to taken an analogue m...
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WO/2012/077584A1 |
A cetane number estimation apparatus injects fuel from a fuel injection valve in a diesel engine based on a target fuel injection amount, calculates an indicator of output torque of the diesel engine produced through fuel injection, and ...
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WO/2012/065788A1 |
The invention relates to a method for operating a combustion engine in the HCCI mode, having the following steps: a) sensing (S1) of a profile of a measured value of a variable in a combustion chamber of a cylinder (3) of the combustion ...
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WO/2012/055668A1 |
A method for monitoring a control device for an injection system in a motor vehicle is presented, in which, with respect to the running time of the control device, a maximum permissible actuation frequency for the control device is deter...
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WO/2012/048311A1 |
An internal combustion engine can be operated in response to a received first throttle control input in a first operating regime that includes delivering a first air-fuel mixture having a first air/fuel ratio to a combustion volume to de...
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WO/2012/034656A1 |
The invention relates to a method for operating an internal combustion engine having a plurality of combustion chambers (12, 14, 16, 18), wherein a deviation of the actual operating behavior from the desired operating behavior of at leas...
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WO/2012/035647A1 |
A map of distances between cylinder pressure sensors and combustion areas in which the distances between cylinder pressure sensors and combustion fields are acquired by determining the main injection timing, a map of burning velocities i...
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WO/2012/031964A1 |
The invention relates to a method and a circuit for processing a signal supplied by a piezoelectric sensor (10) indicating the cylinder pressure of a piston engine such as a heat engine. Undesirable variations in the value of the signal ...
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WO/2012/031829A1 |
The invention relates to a method for setting an emergency operational mode in a system which detects pre-ignitions in a combustion engine and which contains errors. The system consists of at least one sensor (17) and/or at least one sen...
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WO/2012/028944A1 |
A fuel control apparatus for an internal combustion engine (100) that is able to mix a first fuel with a second fuel that is higher in compression ignitability than the first fuel and then to use the mixture of the first fuel and the sec...
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WO/2012/023744A2 |
An adapter structure for mounting a boost pressure sensor includes: a suction manifold mounting section provided to a suction manifold and having a through hole formed at one side so as to be in communication with the inside of the sucti...
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WO/2012/023638A1 |
The present invention relates to an engine protecting apparatus for preventing the inflow of moisture, which drops the RPM (revolutions per minute) of an engine by generating an RPM drop request signal when moisture drain does not occur,...
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WO/2012/016763A2 |
The invention relates to a method (61) for operating an internal combustion engine (11) having a plurality of combustion chambers (15), at least one combustion chamber (15) being assigned an injection valve (13) for injecting fuel (mf) i...
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WO/2012/002888A1 |
The invention concerns a method for controlling the fuel supply to an internal combustion engine at start-up. The fuel supply system can be set in at least two start modes, a lean mode and a rich mode, and the selection of mode is based ...
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WO/2012/002859A1 |
A method for controlling the fuel supply to an internal combustion engine at startup, the engine having a fuel supply system which can be set in at least two start modes, a lean mode, and a rich mode, the rich mode providing extra fuel d...
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WO/2011/154234A1 |
The invention relates to a method for reducing vibration of an output shaft (3) of a drive motor (2), which provides a drive torque, the method comprising the following steps: monitoring an operating variable of the drive motor (2), by m...
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WO/2011/147672A1 |
The invention relates to an actuator system (1), in particular for operating a flap in a motor vehicle, comprising: - a drive (4) with an electronically commutated electric motor; - a movable actuating element (6); - a mechanism (5) whic...
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WO/2011/138999A1 |
The present invention relates to a method and apparatus for detecting a misfire which may occur during the operation of an internal combustion engine, and which, in particular, not only detects a misfire, but also detects which cylinder ...
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WO/2011/129296A1 |
A decline in engine fuel efficiency is prevented by suppressing the increase in engine back pressure through the installation of an exhaust sensor. The exhaust sensor (10), which measures exhaust gas composition, is equipped with a cylin...
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WO/2011/126081A1 |
Disclosed is an inductance-type contactless rotation angle detection device for use in motor-driven throttle valve devices. A circuit substrate mounted with a stator-side conductor and an electric circuit is fixed to a resin cover withou...
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WO/2011/124860A1 |
The invention relates to a system for estimating the temperature of a mechanical member (4) of a vehicle (1) once the vehicle has been stopped, which includes: a temperature sensor (11) of a first element (10) of the vehicle (1), which c...
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WO/2011/119597A2 |
Embodiments herein relate to the general art of motor vehicles, and to the particular field motor vehicle components, especially sensors for electronic throttle controls. Particular embodiments include configurable Hall-effect sensors fo...
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WO/2011/114803A1 |
Provided is a vehicle speed sensor mounting structure for mounting a vehicle speed sensor by means of a simple configuration to an area in which maintenance is easily performed while protecting the vehicle speed sensor. A vehicle speed s...
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WO/2011/112735A1 |
An internal combustion engine can be operated in an efficiency mode to provide a first power output range between zero and a transition power output level and in a power mode to provide a second power output range between the transition ...
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WO/2011/107842A1 |
An ECU of a fuel injection controller acquires information on a load of an internal combustion engine including a fuel injection valve. Based on the load information, a switch is made between low-load-condition control, in which a main i...
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