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WO/2003/025374A1 |
A diesel engine (1) provided with a NOx catalyst (28A) and a diesel particulate filter (28B) performs lean burn operation during normal running, rich burn operation during regeneration of the NOx catalyst (28A), operation under the stoic...
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WO/2003/018974A1 |
The present invention discloses a method for controlling up-shifting of multiple speed change gear transmission (14) used with a turbocharged internal combustion engine (12). One or more engine operating parameters are selected for contr...
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WO/2003/012265A1 |
A method of controlling an internal combustion engine for warm-up of catalyst of an exhaust gas treatment device is disclosed. The method comprises generating a warm-up demand for heating the catalyst subject to constraint on stable comb...
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WO/2003/012272A1 |
A system and method for controlling an internal combustion engine (120) by monitoring exhaust back pressure (126) and take remedial action when the exhaust back pressure exceeds a corresponding threshold. The system and method respond to...
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WO/2003/008787A1 |
A turbocharger (32) creates intake manifold boost for a diesel engine (10). At times, exhaust valve opening is increasingly retarded in relation to the engine operating cycle to cause the turbocharger (32) to increase boost, engine fueli...
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WO/2003/008780A1 |
Combined fuel cell - piston engine plant (1) comprising a internal combustion piston engine unit (2) having at least a process input gas inlet (4) and a process output gas outlet (5), a turbo-charging system (6) having at least a process...
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WO/2002/103180A1 |
The invention relates to a method and to a device for controlling an internal combustion engine, characterized in that the boost pressure is reduced by means of a controller in response to bucking characteristics.
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WO/2002/103184A1 |
The invention relates to a method and to a device for controlling a supercharged internal combustion engine. The inventive method is characterized by taking into consideration a factor that depends on the deviation between the measured a...
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WO/2002/095203A1 |
The present invention is directed to engine braking systems (10) and methods for producing a bleeder braking event in an internal combustion engine. The present invention is further directed to systems and methods for providing improved ...
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WO/2002/090744A2 |
The controller (41) selects premixed combustion or diffusive combustion of the diesel engine (1) based on the running state detected by a sensor (33, 34) (S4, S5). The controller (41) calculates the target oxygen concentration and the ta...
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WO/2002/090751A1 |
A system and method for diagnosing a failure in an exhaust gas recirculation system (66,68) for diverting exhaust gas from an engine exhaust (58) to an engine intake (69) and a variable geometry turbocharger (52). The system andmethod de...
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WO/2002/086297A1 |
The present invention relates to a method of operating a four-stroke internal combustion engine comprising the steps of: closing an exhaust valve (16) prior to the end of the exhaust stroke to trap combusted gases in a combustion chamber...
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WO/2002/084096A1 |
The invention relates to a method for operating an internal combustion engine, whereby the fuel is supplied by means of at least one injection valve. The injected quantity of fuel is influenced by the injection time. The aim of the inven...
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WO/2002/084092A1 |
The invention provides an internal combustion prime mover system which achieves an increased output and an improved thermal efficiency by increasing the fuel injection rate while maintaining the combustion highest temperature in the cyli...
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WO/2002/079624A1 |
A multicylinder internal combustion engine with an exhaust-driven turbocompressor and with a divided exhaust gas flow has at least two exhaust valves (2,3) and one intake valve per cylinder. A first exhaust valve (2) is connected to a fi...
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WO/2002/079622A1 |
The invention relates to a method of operating an internal combustion engine (1), especially a motor vehicle. In order to allow for a safe and reliable self-ignition of the fuel-air mixture present in a combustion chamber (4) of the inte...
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WO/2002/070875A1 |
An internal combustion engine (10) is described that is operable under a low and medium power conditions with premixed charge controlled auto-ignition. In order to increase the upper power limit at which the engine may operate reliably w...
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WO/2002/064961A1 |
Apparatus for controlling the ration of the amount of fuel and the amount of air in a natural gas fueled internal-combustion engine intended to work in a specified engine-specific load-rotation speed diagram, which apparatus includes a t...
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WO/2002/061246A1 |
A variable geometry turbine (124) and active waste-gate (130) are provided with independent control of the variable geometry turbine (124) and waste-gate valve (130) to independently control EGR flow and air-flow (122) in an engine (110)...
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WO/2002/055856A2 |
The present invention provides a method and apparatus for controlling an internal combustion engine. The engine includes a variable flow exhaust gas recirculation (EGR) system. The method includes providing a variable geometry turbocharg...
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WO/2002/048528A1 |
The invention relates to an internal combustion engine (1) which can be operated with different fuels which have different energy densities, e.g., petrol or natural gas. The invention provides that in order to balance the different outpu...
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WO/2002/044537A1 |
An internal combustion engine using variable compression ratio and variable fuel supply to one of two combustion chambers is presented. Varying the compression ratio is accomplished by changing the volume of a single combustion chamber (...
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WO/2002/042630A1 |
The invention relates to a method for providing an internal combustion engine with conditioned combustion gas, in particular, air, preferably on test benches, comprising the introduction of humidity- and/or temperature-conditioned combus...
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WO/2002/036949A1 |
A homogenous charges compression ignition barrel (50) engine includes an engine housing with a first and second end. An elongated power shaft (52) is longitudinally disposed in the engine in the engine housing and defines a longitudinal ...
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WO/2002/029229A1 |
The intake air amount of an engine (1) is controlled by a variable nozzle (53) of a turbocharger (50). A controller (41) calculates an open loop control value of a drive signal of the variable nozzle (53) based on a running state of the ...
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WO/2002/029222A1 |
An internal combustion engine (10) is operated by a method, according to which petrol is directly injected into a combustion chamber (12). The injection takes place at least temporarily in such a way that in association with a correspond...
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WO/2002/027164A1 |
The invention relates to an internal combustion engine, which is provided with an exhaust gas recirculation system (23) and which has an exhaust gas turbocharger (2) having a variable turbine geometry (8). In order to improve the behavio...
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WO/2002/018757A1 |
The invention relates to a method for controlling the compression ratio $g(e) of a supercharged internal combustion engine. The internal combustion engine is provided with a control device in which a maximum end compression temperature T...
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WO/2002/016739A2 |
An aircraft control system includes a propeller governor (100) in which a stepper motor (170) is used to apply a compression force on a speeder spring, and a turbocharger in which a stepper motor (260) is used to actuate a needle valve (...
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WO/2001/092706A1 |
The invention relates to a method for operating a diesel motor. Said method switches between a lean-mixture operation with a leaner than stoichiometric combustion air ratio $g(l) > 1 and a rich-mixture operation with a richer than stoich...
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WO/2001/090554A1 |
An exhaust gas circulation device of internal combustion engine having a turbocharger, comprising an exhaust gas passage having a turbine provided therein and an intake air passage having a compressor provided therein, wherein an opening...
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WO/2001/088360A1 |
A control unit (41) controls an opening of an exhaust recirculation valve (6) according to a running condition of a diesel engine (1). The control unit (41) calculates an equivalence ratio of the gas mixture supplied to the engine (1) an...
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WO/2001/088358A1 |
In a diesel engine provided with an exhaust gas recirculation valve (6), a target exhaust gas recirculation amount determined based on the engine running condition is compared with a maximum recirculation amount of the valve (6) (S28). W...
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WO/2001/086126A2 |
A multi-mode internal combustion engine (10) and method of operating the engine (10) is provided which is capable of operating in a variety of modes based on engine operating conditions to enhance fuel efficiency and reduce emissions. Th...
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WO/2001/086127A2 |
A method and internal combustion engine (10) operable in a premixed charge compression ignition mode, comprising a combustion chamber (16), an intake system (18) for delivering air intake, a mixing device that mixes a first fuel (23) wit...
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WO/2001/086128A2 |
An internal combustion engine (10) operable in a premixed charge compression ignition mode and a method for operating the engine (10), the engine (10) including an engine body (12) with a piston assembly (14), a combustion chamber (16) f...
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WO/2001/086125A2 |
A novel and improved engine and method are provided which includes a premixed charge compression ignition engine (10) capable of operating over a wide load range without the need to vary the IMT beyond easily achievable or desirable temp...
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WO/2001/083088A1 |
The invention relates to a device for reduction of a gas component in an exhaust gas flow of a combustion engine (1) which is adapted for operation by a lean air/fuel mixture, comprising an exhaust pipe (21) for transport of said exhaust...
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WO/2001/075292A1 |
A method of controlling an internal combustion engine (12) includes determining an exhaust gas recirculation (EGR) command signal based on at least one engine condition, and determining a variable geometry turbocharger (VGT) command sign...
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WO/2001/066921A1 |
The geometry of the exhaust gas turbocharger turbine (4) located in the exhaust gas channel (3) of the internal combustion engine (1) is variable. The boost pressure (pld) can therefore be regulated by changing the turbine geometry. The ...
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WO/2001/066925A1 |
An exhaust gas recirculation (EGR) system for an engine with a variable geometry turbocharge (18) incorporates a master rotary electric actuator (REA) (50) with a microprocessor controller (53) receiving condition signals (46, 48a-e) fro...
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WO/2001/059275A2 |
A variable nozzle turbocharger (12) creates engine boost. Boost is controlled by controlling the position of vanes within turbocharger. A processor develops a control signal (29) for controlling vane position. The processor develops a va...
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WO/2001/055575A1 |
There is provided a system and method for using an engine's exhaust back pressure (1210) to control a variable geometry turbocharger. The control system determines a desired exhaust back pressure (1205) based on engine parameters. The de...
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WO/2001/048363A1 |
The invention relates to a method and to a device for controlling an internal combustion engine that is provided with an air system. At least one value that characterizes the air system is determined by means of a model, on the basis of ...
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WO/2001/044641A2 |
The invention relates to a method for controlling the boost pressure on an unsteady-running piston internal combustion engine with a turbocharger. According to the inventive method, a blow-off valve, which is connected upstream from the ...
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WO/2001/042639A2 |
A control system and method for an EGR valve (54), particularly in a diesel engine (30). A processor processes data in feedback control of the position of the valve element to develop from the data a position control signal for setting t...
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WO/2001/036797A1 |
The invention relates to a method for operating a piston-type internal combustion engine with a turbocharger (8, 9), for carrying out the method according to claim 1, which comprises a first gas discharge valve (3.1) and at least one add...
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WO/2001/031177A1 |
A method for controlling the cooling water temperature of a vehicle with an internal combustion engine is disclosed, whereby at least one further sensor, for example, a knock sensor, or a vehicle control unit is used for determining the ...
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WO/2001/020136A1 |
A multicylinder internal combustion engine with an exhaust-driven turbocompressor and with a divided exhaust flow has at least two exhaust valves (2, 3) and one intake valve (13) per cylinder. A first exhaust valve (2) is connected to a ...
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WO/2001/014707A1 |
A turbocharger with an integral Exhaust Gas Recirculation system for an internal combustion engine having a compressor rotor with two sets of vanes on opposite sides of the rotor disk for compression of charge air and recirculated exhaus...
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