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WO/2015/062872A1 |
Various methods of control of combustion knock are disclosed in relation to a spark ignition, internal combustion engine having active tappets, whereby an inlet poppet valve can be moved independently of the usual operating cam. In one e...
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WO/2014/196122A1 |
An internal combustion engine which is provided with a fuel injector which injects fuel into a cylinder, an exhaust purification catalyst, and a secondary air feed device which feeds air to an engine exhaust passage. First catalyst warm-...
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WO/2014/182931A1 |
A combustion engine system in one embodiment includes a combustion engine, at least one controllable component operably connected to the combustion engine, at least one sensor configured to sense a parameter associated with the combustio...
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WO/2014/165020A1 |
Methods for removing and preventing the buildup of unwanted deposits and varnishes on combustion chamber surfaces, particularly injector-igniter components that are exposed to combustion events. A method of removing deposits from an inje...
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WO/2014/124864A1 |
A vehicle includes an engine and a particulate filter that is situated to filter particulates from the exhaust fluid. A controller is configured to implement a sequence of particulate filter regeneration techniques including a first tech...
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WO/2014/118613A1 |
An abnormality detection device is mounted on an engine control device that calculates a target load factor by using a target torque, converts the target load factor to a target throttle opening, calculates a target ignition timing by us...
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WO/2014/087067A1 |
The invention relates chiefly to a method for managing engine torque by selectively cutting off injection into one or more cylinders of a controlled‑ignition combustion engine. According to the invention, the method involves the step o...
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WO/2014/079682A1 |
The invention relates to a method for operating a spark ignition internal combustion engine with an ignition angle adjustment by means of a control unit and with an exhaust gas turbocharger with a turbine and a compressor and wherein a t...
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WO/2014/066080A1 |
A turbocharger 51 is provided with an improved bearing 52, preferably formed as a semi-floating ring journal bearing which has hydrodynamic flexure pivot tilting pads 53 on the inner diameter thereof and compliant structural dampers 54 o...
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WO/2014/042847A1 |
A system and method for controlling a vehicle to implement an engine torque management strategy. The engine torque management strategy implements a sophisticated engine knock control method that alleviates/mitigates the cause of the knoc...
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WO/2014/033414A1 |
Control of a motor vehicle power unit comprises, at engine start-up, monitoring variations in the value held by a variable representative of the difference between a set acceleration of the engine and an instantaneous acceleration of the...
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WO/2014/033415A1 |
Evaluation of the quality of a fuel supplying a heat engine comprises, at engine start-up, monitoring variations in the value held by at least one variable representative of the torque delivered and/or to be delivered by the engine, said...
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WO/2013/176798A1 |
A method for controlling a vehicle's exhaust gas recirculation system. The method controls the exhaust gas recirculation system in a manner that is suitable for a pedal tip-out transition while also being optimized for normal operating s...
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WO/2013/102663A1 |
A combined ignition and fuel supply system for an internal combustion engine is described. The system comprises an ignition unit and a blending/dosing device (10) comprising a valve and equipped with an entrance duct (12) for the combust...
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WO/2013/093200A1 |
The invention relates to a method of operating an internal combustion engine by combusting gaseous fuel comprising the steps of feeding gaseous fuel and combustion air to the combustion chamber of the engine, compressing the mixture of t...
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WO/2013/089599A1 |
The invention relates to a method for shutting down a two stroke crank case scavenged engine, the engine operating speed ranging form an idle speed to a maximum speed, said method comprising the steps of: a) activating a stop switch (33)...
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WO/2013/067226A1 |
A throttle body is provided with an internal fuel reservoir for relieving pressure waves and for assisting hot start conditions of an associated small internal combustion engine employing a low pressure fuel injection system.
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WO/2012/107829A1 |
The invention is a method for regulating the power delivered by an engine and includes, during the operation of the engine, the following stages: measuring, for each engine cycle (1), the value of the engine RPM (10, 11, 12, 13) at the l...
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WO/2012/089390A1 |
The invention relates to an injection system for an internal combustion engine comprising at least one combustion chamber, wherein a wall of the combustion chamber is provided with a first inlet opening that can be closed by a first inle...
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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/2011/072965A1 |
The invention relates to a method for operating a drive device having at least one drive machine generating the torque output by the drive device, wherein a first parameter effecting a slow change to the torque output by the drive device...
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WO/2011/004091A1 |
The invention relates to a method for controlling airflow injected in an engine connected to a turbocharger, characterised in that said method includes determining a set value airflow and a minimum airflow acceptable for the turbocharger...
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WO/2010/134994A1 |
A technique for providing electric power to an electric power utility grid includes driving an electric power alternator coupled to the grid with a spark-ignited internal combustion engine; detecting a change in electrical loading of the...
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WO/2010/127901A1 |
A control device (100) for a prime mover is connected to a data store (120), which provides a first control profile (210) and a second control profile (220, 230), each profile comprising at least one control value and/or one characterist...
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WO/2010/070199A1 |
The invention relates to a method for combustion engine pollution control. NOx value of the exhaust gases from the engine is measured (207) and the lambda value in the engine operation is controlled in response to the measured NOx value....
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WO/2010/041110A2 |
When the amount of fresh air drawn into a combustion chamber is designated Ma and the amounts of exhaust gas recirculated into the combustion chamber by external and internal recirculation mechanisms are designated Megre and Megri, respe...
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WO/2010/040600A2 |
The invention relates to a method for operating an internal combustion engine, wherein a crank housing (2) of the internal combustion engine comprises a ventilation (9) into the intake tract (10) of the internal combustion engine, charac...
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WO/2010/000560A1 |
A method for starting an internal combustion engine (1) having at least one combustion chamber (30) is proposed, wherein an injection timing point is specified for each combustion chamber (30) at which a first fuel injection pulse is to ...
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WO/2009/114444A2 |
A method for operating an internal combustion engine having a plurality of controllable engine actuators includes operating the engine in a first combustion mode using a first control scheme while simultaneously simulating operating the ...
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WO/2009/114443A2 |
A method for transitioning a spark-ignition direct injection internal combustion engine between a controlled auto-ignition combustion mode and a homogeneous spark-ignition combustion mode includes operating the engine in a stratifϊed-ch...
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WO/2009/087843A1 |
When fuel cut permission conditions are satisfied, a guard provided by an ignition timing retardation limit is relieved. In the resulting state, the ignition timing is retarded to decrease the output torque of an internal combustion engi...
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WO/2009/011452A2 |
A controller of an internal combustion engine that performs catalyst warm-up control to promote warm-up of an exhaust purification catalyst is provided. The controller carries out the catalyst warm-up control by retarding the ignition ti...
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WO/2008/114834A1 |
In an internal combustion engine, a selective NOx reduction catalyst (15) is placed in an engine exhaust path and an oxidation catalyst (12) is placed in the engine exhaust path on the upstream of the selective NOx reduction catalyst (15...
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WO/2008/065856A1 |
A premixed compression ignition type engine is operated while change over between spark ignition combustion and compression ignition combustion. This engine has a negative overlap period during steady operation under compression ignition...
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WO/2008/056242A2 |
A method and system to control boost pressure by holding the ignition angle retard constant when running an engine from stoichiometric to lean. A method and system for controlling the amount of exhaust energy by controlling an escape val...
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WO/2008/037512A1 |
The invention relates to a method for regulating a rotational speed of an internal combustion engine comprising an air path and an ignition path during the idle running thereof in the event of an emergency, in which the air path has been...
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WO/2007/128125A1 |
A process and apparatus for reducing nitrogen oxide emissions in a genset comprising an engine and a generator and a shaft coupled to the engine and generator. The apparatus directs the generator to reduce load on the shaft while directi...
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WO/2007/125401A2 |
A control system includes: a detecting device that detects the transition in the cumulative amount of heat generated in a combustion chamber based on the pressure in the combustion chamber in an expansion stroke; and a controller that co...
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WO/2007/105080A2 |
A control apparatus of an in-cylinder injection type spark ignition internal combustion engine provided with at least an in-cylinder fuel injection valve that injects fuel directly into a cylinder executes temperature increase promotion ...
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WO/2007/064005A1 |
The internal combustion engine (1) has a valve driving mechanism (VM) capable of changing the valve-opening characteristic of at least one of an intake valve (Vi) and an exhaust valve (Ve), an in-cylinder pressure sensor (15) for detecti...
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WO/2007/039368A1 |
The invention relates to a method for controlling an internal combustion engine (10) during which two operating modes (OPMOD) are switched between under the permissible variation of at least one first and one second torque manipulated va...
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WO/2007/010129A1 |
The invention concerns a method for determining the timing of an injection cycle relative to an operating cycle of a four-stroke engine (ECH, ADM, COMP, DET), the timing being possibly correct or wrong, the method including the step of o...
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WO/2006/120549A1 |
An engine control apparatus which performs torque-down control during shifting is structured so as to determine a retard rate from an MBT ignition timing which will achieve a target torque-down rate, and determine a target ignition timin...
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WO/2006/111841A1 |
In a starting system of an internal combustion engine including a fuel injection valve that directly injects fuel into a corresponding cylinder and a spark plug that ignites an air-fuel mixture in the cylinder, injection of the fuel from...
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WO/2006/100840A1 |
An engine ECU executes a program including the steps of: calculating a fuel injection ratio of an in-cylinder injector (S100); calculating an amount of spark advance using a first map employed when the in-cylinder injector has a fuel inj...
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WO/2006/094517A1 |
A process and device are disclosed for regulating the course of combustion in an internal combustion engine by ion stream measurement. For each combustion cycle in a combustion chamber (9) of the internal combustion engine (1), the ion s...
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WO/2006/075789A2 |
Provided is a control apparatus and a control method of an internal combustion engine which can intend to suppress a deterioration of an emission and suppress a reduction of a startability. According to the method, a target ignition timi...
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WO/2006/067346A1 |
The method for assisting the starting of a motor vehicle by application of the engine torque on starting said vehicle comprises steps during which: parameters for detection of the starting of the motor vehicle are recorded, a set point f...
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WO/2006/051925A1 |
An engine ECU executes a program including the steps of: calculating an in-cylinder injector's injection ratio (S100); if the ratio is 1, calculating an amount of cold state spark advance by employing a function f(1) having the engine's ...
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WO/2006/043679A1 |
The internal combustion engine control technique of the invention computes a TDC pass rotation speed Ntdc, which represents the rotation speed of an engine when one of multiple cylinders of the engine passes over a top dead center TDC (s...
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