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WO/2014/027141A1 |
A multi-cylinder internal combustion piston engine (10) comprises a first fuel feed system (20) and a second fuel feed system (30). The engine is operated by supplying a first fuel to at least one of the cylinders. During the operation, ...
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WO/2014/021140A1 |
Provided are: a contact-type infrared temperature sensor, which is capable of ensuring reliability by suppressing thermal deterioration, and which is also capable of reducing manufacture cost; a thermal apparatus using the contact-type i...
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WO/2014/010164A1 |
An engine system includes an engine having a rotary member (75) that rotates together with the crankshaft (48), a plurality of first detection bodies (P1-N) provided on the rotary member (75), a second detection body (S) provided on the ...
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WO/2014/007373A1 |
The present invention addresses the problem of making it possible to attach, in a highly-rigid manner, an exhaust gas purification device (2) to an engine (1) as one constituent component of the engine (1). This engine device is provided...
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WO/2014/008309A2 |
Diesel opposed piston engines, optionally with variable compression ratio and/or turbocharging, can provide improved fuel efficiency by adapting a compression ratio of the engine in accordance with an engine load such that larger compres...
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WO/2013/189839A1 |
The invention relates to a method and a device (100) for determining the amount of energy released in the working cycle of a cylinder of an internal combustion engine. The method comprises the steps of: (a) recording a time curve of the ...
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WO/2013/174786A1 |
A method and a device for regulating the combustion noise of an internal combustion engine are described. The method has (a) operation of the internal combustion engine, (b) detection of the profile over time of the pressure (230) in a c...
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WO/2013/171575A1 |
A microcomputer (21) determines, in a first monitoring routine (R2), whether a required injection amount was normally computed in a fuel injection amount control routine (Rl), based on the required injection amount computed in the fuel i...
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WO/2013/167242A1 |
The invention relates to a method for operating an internal combustion engine (1), in particular of a motor vehicle, wherein said internal combustion engine (1) comprises a fuel injection system (4) having at least one injector (5) for e...
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WO/2013/167235A1 |
The invention relates to a method for operating an internal combustion engine (1), in particular of a motor vehicle, wherein said internal combustion engine (1) comprises a fuel injection system (4) having at least one injector (5) for e...
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WO/2013/164273A1 |
The invention relates to a method for determining an offset of an output signal of an evaluation circuit integrated in a sensor, preferably of a combustion chamber pressure sensor (8) installed in a combustion chamber (3) of an internal ...
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WO/2013/150373A1 |
An ECU (20), after the cranking is started, performs a control such that the first combustion cycle is executed on a CPS-equipped cylinder (step 100). After that, self-ignition occurs in the first combustion cycle, and the in-cylinder pr...
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WO/2013/143740A1 |
The invention relates to a control device (10) for controlling an engine drive torque (Mist), with a load estimation device (1) having a first input terminal for receiving a current engine rotational speed (ω), a second input terminal f...
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WO/2013/137043A1 |
A cooling pipe (10) in an internal combustion engine (50) is provided with: a resin water outlet (11) which forms a circulation path (V2) that circulates cooling water for cooling an engine body (51); and a mounting part (12) which retai...
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WO/2013/135945A1 |
(57) Abstract The idea of the invention is that a knock control (6) works together with another control entity that is called as safety control (8). In order that cooperation between these units runs efficiently they are constructed in a...
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WO/2013/131681A1 |
The invention relates to a method for estimating an air/fuel ratio for a combustion in an internal combustion engine with at least one cylinder. The air/fuel ratio is derived from a feature which is based on an evaluation of a rotational...
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WO/2013/131686A1 |
The invention relates to a method for estimating an absolute value of a torque for a combustion in an internal combustion engine with at least one cylinder. The torque is derived from a feature which is based on an evaluation of a rotati...
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WO/2013/131684A1 |
The invention relates to a method for estimating a combustion state for a combustion in an internal combustion engine with at least one cylinder. The combustion state is derived from a feature which is based on an evaluation of a rotatio...
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WO/2013/129483A1 |
A combustion pressure detection device for detecting the combustion pressure in a combustion chamber of an internal combustion engine, characterized in that: the combustion pressure detection device can be mounted to a communication hole...
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WO/2013/128118A1 |
The invention relates to a method for setting the spark advance of a spark-ignition engine during a rapid change in required engine torque, comprising, in accordance with the current engine operating conditions: calculating (20) an outpu...
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WO/2013/124112A1 |
The invention relates to a method for detecting uncontrolled combustion in an internal combustion engine which occurs independently of the ignition of a fuel-air mixture by a spark plug in a combustion chamber (16) of the internal combus...
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WO/2013/118244A1 |
The objective of the present invention is to control the wall surface temperature of a combustion chamber appropriately on the basis of a target temperature region that reflects the frequency with which pre-ignition occurs, even if pre-i...
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WO/2013/113949A1 |
The invention discloses a system and a method for estimating the instantaneous torque of a low speed diesel engine by using strain gauges positioned on the shaft between the alternator and the engine in order to estimate the in-cylinder ...
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WO/2013/113542A1 |
The invention relates to a method for controlling an internal combustion engine (10) involving the following steps: - using the pressure sensor method, a first actuation period (tvorl) for a first injector (20d) is determined in a first ...
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WO/2013/108667A1 |
The invention addresses the problem of reducing the number of assessment man-hours involved in design and testing etc. when an exhaust gas purifier (2) is assembled in an engine (1), while also making the exhaust gas purifier (2) more co...
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WO/2013/099979A1 |
The present invention addresses the problem of preventing a decrease in the precision with which an engine is controlled, said decreased being caused by divergence in the attachment position of a fresh air temperature sensor (120) that d...
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WO/2013/092188A1 |
The invention relates to a method and to a device for the knock control of an internal combustion engine, which is operated by means of a gaseous fuel and a liquid fuel. The gaseous fuel is introduced into a combustion chamber (3) of the...
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WO/2013/091930A2 |
The invention relates to a method for operating an internal combustion engine (100), in which at least one quantity (PZa) is determined (200), which characterizes the cylinder pressure in a cylinder (110a) of the internal combustion engi...
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WO/2013/087506A1 |
A pressure-measuring device for detecting a combustion chamber pressure of an internal combustion engine, in particular a pressure-measuring glow plug, is proposed. The pressure-measuring device comprises a pressure transducer (21), a pr...
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WO/2013/089957A1 |
A method includes determining a plurality of characteristic profiles associated with a mobile asset moving from a first operating point to a second operating point along a predefined path. The method further includes determining a fuel c...
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WO/2013/056284A3 |
The invention relates to a method for operating at least one precombustion chamber-fired internal combustion engine (1), in particular a stationary gas Otto cycle engine, having a pilot chamber (2) and a main combustion chamber (3) assoc...
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WO/2013/084019A1 |
The invention relates to a system for treating the exhaust gases of an internal combustion engine arrangement (10), said device comprising: at least one catalytic converter (22); a catalytic sensor (28) upstream from or in parallel with ...
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WO/2013/084802A1 |
In order to achieve small variations in detection accuracy among individual non-contact rotation angle detection devices even under a temperature environment near -40 degrees, provided are a non-contact rotation angle detection device, a...
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WO/2013/073132A1 |
An exhaust device for a multi-cylinder engine, which is capable of suppressing a decrease in an ejector effect by a simple configuration, the exhaust device including: a plurality of independent exhaust passages (52) with the upstream en...
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WO/2013/068140A1 |
Method for controlling the exhaust-gas temperature of a direct-injection internal combustion engine 2, in which method the combustion fuel injection is divided into a plurality of individual injections, and in which method the temperatur...
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WO/2013/068141A1 |
Method for regulating the exhaust-gas temperature of a direct-injection internal combustion engine (2), in which method the combustion fuel injection is divided into a plurality of individual injections, and in which method the engine ex...
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WO/2013/046489A1 |
Provided are: a lubricating coating composition that has superior workability and is able to exert superior seize resistance; and an attachment component that is for an internal combustion engine and that has a solid coating film formed ...
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WO/2013/045288A1 |
A method of ion sensing in a capacitive discharge ignition (CDI) system for an internal combustion engine comprises: a) closing the controllable switch (SI) in synchronism with the internal combustion engine for a period of time to trans...
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WO/2013/042458A1 |
An objective of the present invention is to avoid condensation on a sensor element. Provided is an air physical quantity detection device, comprising: a housing member (8), integrally provided with a connector and a connector terminal me...
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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/2012/028944A8 |
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/2012/135328A3 |
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/2012/152470A1 |
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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