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JP4250356B2 |
Controlling an internal combustion engine which has an additional component provided in its exhaust gas conduit including a turbine and turbo of a turbo charger, includes enriching a mixture at a high throughput, determining a main filli...
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JP4250856B2 |
A direct injection internal combustion engine comprises: catalysts for purifying exhaust gases, the catalysts being disposed in an exhaust passage of the engine; a control device for controlling the engine so as to warm up or activate th...
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JP4252784B2 |
In a method for controlling a drive unit, a driver command value is formed while considering the current transmission ratio and the drive unit is controlled in dependence the driver command value. In addition, a predicted driver command ...
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JP4251081B2 |
A catalyst for purifying exhaust gas is provided in an exhaust pipe of an engine. When air-fuel ratio dither control is performed, an ECU calculates a requested torque to be generated by combustion of the engine based on an accelerator o...
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JP4246431B2 |
The invention relates to an engine fuel control device including an idle speed control valve (205) that is disposed in a bypass passage that bypasses a throttle valve (204), a starting phase determination means that determines whether th...
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JP4236225B2 |
An engine management system for 4-cycle engines includes a processing means and utilizes various inputs from sensors operatively connected to the engine for the purpose of providing the correct fuel/air ratio or spark ignition angle for ...
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JP4233925B2 |
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio con...
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JP4229474B2 |
A method and arrangement for controlling a drive unit of a vehicle are suggested. A desired torque value or a desired power value is formed on the basis of the driver command which serves to control the drive unit. A maximum permissible ...
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JP4225788B2 |
The invention relates to a method for operating a direct-injecting gasoline internal combustion engine (1), especially of a motor vehicle, wherein the gasoline is injected directly into the combustion chamber (4) of the engine (1) and an...
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JP4188840B2 |
A method for reversing the direction of rotation of a two-stroke engine whose rotational speed and crank mechanism position are sensed by a sensor system. To reverse the direction of rotation of the engine, the ignition and/or the fuel s...
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JP4188120B2 |
The present invention provides a control system for an internal combustion engine for detecting a torque variation based on a rotational speed of the engine and suppress the torque variation. The system includes a detector for detecting ...
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JP4176158B2 |
An internal combustion engine in particular for a motor vehicle, which is equipped with an injection valve with which fuel can be injected either, in a first operating mode, during a compression phase or, in a second operating mode, duri...
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JP4177108B2 |
According to this method, a) a series of sparks is emitted into an engine cylinder (1), filled with an air/fuel mixture to be ignited, at predetermined successive instants, b) one of the sparks that initiates the ignition of the mixture ...
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JP4170902B2 |
A cylinder direct injection type internal combustion engine directly injecting fuel in a cylinder (104) and igniting the fuel-air mixture formed in the cylinder, wherein an advance spray with high fuel flow velocity (105) and a main spra...
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JP4168386B2 |
A control unit for engine startup includes a throttle valve, a bypass air quantity-regulating valve, an ignition coil, a bypass air quantity controller, an ignition timing feedback controller, and a multi-spark controller. The throttle v...
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JP4165664B2 |
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JP4163884B2 |
A method of starting a multi-cylinder, direct-injection, internal combustion engine of a motor vehicle in particular without using a starter motor is described. The position of a piston in a cylinder of the internal combustion engine is ...
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JP2008231950A |
To approximate a ratio of NO to NO2 in exhaust gas 1:1.A NOx selective reduction catalyst 15 is disposed in an engine exhaust passage, an oxidation catalyst 12 is disposed in the engine exhaust passage upstream of the NOx selective reduc...
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JP4159042B2 |
A diagnosing unit diagnosis whether an exhaust control valve is operating normally or not. An output limiting unit lowers engine output when abnormal operation of exhaust control valve is diagnosed.
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JP4149923B2 |
A method and a device for controlling an internal combustion engine of a vehicle, in which a performance quantity of the internal combustion engine or of the vehicle is limited to a predefined limit value. For the limiting, a control of ...
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JP4140246B2 |
A signal generator for an internal combustion engine for obtaining precise information on a rotational direction of the engine when the engine runs at extremely low speed, comprising: a rotor having a first series of reluctor correspondi...
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JP4135428B2 |
In exhaust purification apparatus and method for an internal combustion engine having an exhaust gas purification catalyst disposed in an exhaust passage of the engine, a poisoning release control of the exhaust gas purification catalyst...
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JP4130759B2 |
Method for operation of a motor vehicle combustion engine (1) in which fuel is injected into the combustion chamber in two different modes during compression and suction phases. During compression the fuel mixture is lean, while during s...
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JP4122987B2 |
A direct fuel injection combustion control system controls combustion in a direct fuel injection spark ignition engine that maintains a constant pressure in an accumulator when fuel is not being injected. The combustion control system co...
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JP4120520B2 |
A microcomputer calculates a requisite time for controlling a predetermined device of an internal combustion engine. The microcomputer estimates time required for a crank shaft of the engine to rotate from a present crank angle to a desi...
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JP4117120B2 |
The invention relates to a control unit (16) for an internal combustion engine (1) which can activate a three way catalyst (11) at the early stage and can lessen the deterioration of the exhaust in an internal combustion engine such as H...
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JP4115392B2 |
A method, a device and a computer program for controlling an internal combustion engine, in which a torque model is used within the framework of calculating instantaneous variables and/or actuating variables. In doing so, a basic value a...
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JP4112071B2 |
An outboard motor has a fuel injected internal combustion engine operating on either a two-cycle or four-cycle principle. In some embodiments, the engine is directly injected while in others it is indirectly injected. The engine features...
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JP4107442B2 |
A fuel injection control strategy and system for engines for maintaining good performance under normal running conditions and also for providing cylinder engine speed slow-down under abnormal conditions by cylinder skipping. Transitional...
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JP4104385B2 |
A method and a device for controlling an output variable of a drive unit in the starting phase is described. A controller is provided, regulating the actual value of at least one output variable to a setpoint variable of this output vari...
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JP4093682B2 |
A stroke judgment device includes a gear having a portion with no teeth, a pulse generator, an intake pipe internal pressure detecting device and an ECU. The ECU controls an injector(s) and the ignition timing of a spark plug(s). The ECU...
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JP2008115860A |
To provide a device and method to detect combustion conditions using ion signals for use in a feedback control of a reciprocation engine.The ion signals are used as a feedback signal to control EGR and diesel injection timing. The device...
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JP4086327B2 |
A method and an arrangement for operating a drive unit of a vehicle are suggested. A desired value is preset and an actual value corresponding to the desired value is determined. The desired value is filtered in at least one operating si...
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JP4082096B2 |
The moment control system includes an instruction moment calculating unit, an injection quantity calculation unit and an ignition order calculation unit. The ignition order calculation unit calculates the ignition order based on an instr...
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JP4075550B2 |
An engine is provided with a variable valve mechanism capable of changing a degree of an operating angle and a phase of a valve-open period of an intake valve. A controller selectively executes at least one of a plurality of knock contro...
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JP4076421B2 |
The types of gasolines having different distillation characteristics and various compositions are identified accurately and rapidly. A pulse voltage is applied for a predetermined time to a liquid type identifying sensor heater inclu...
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JP4073914B2 |
To reliably detect an abnormality in crank pulses due to low accuracy of mounting a crank angle sensor. It is determined that there is an abnormality in crank pulses when the situation, in which a regular pitch crank pulse counter T ...
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JP2008069788A |
To provide a device and a method which can detect a combustion state by making use of an ion signal used by feedback control of a reciprocating engine.The device controls EGR and diesel injection timing by using the ion signal as a feedb...
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JP4066971B2 |
A torque correspondence value (e.g., estimated indicated torque) is determined. The degree of torque correspondence value variation in a plurality of previous cycles is digitized as a variation index value (e.g., locus length). If the va...
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JP4061280B2 |
A control apparatus for a gasoline engine provided with both a turbocharger having an adjustable nozzle and an exhaust gas control apparatus retard-controls an ignition timing while controlling an opening amount of the adjustable nozzle ...
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JP4060517B2 |
A revolution number control system 40 comprises ignition timing delay controlling means for delaying ignition timing from the ignition advance amount n at a first prescribed value n2 when the engine revolution number NE is between the fi...
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JP4046087B2 |
A control device for an internal combustion engine, which makes the engine speed increased rapidly at the engine starting, converge to a target engine speed by a feed-back retard control of an ignition time, is disclosed. In the control ...
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JP4043237B2 |
A method and control apparatus for an internal combustion engine that allows an operator to calibrate engine performance relative to an engine operating characteristic. The control apparatus comprises a base engine control map that corre...
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JP4036906B2 |
A control device for a cylinder injection internal-combustion engine detects the deterioration of the combustion efficiency of the engine. The control device is equipped with: a fuel injection valve for directly injecting fuel to each cy...
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JP4037928B2 |
In a procedure for controlling the engine of a car, the degree of operation of an operating element by the driver is measured and from this degree, a set point for the torque to be generated by the engine is formed. By adjustment of at l...
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JP4035963B2 |
A control system for an internal combustion engine is provided. The engine includes a compression ratio control mechanism (102) and an ignition timing control system (103). The control system comprises an engine control unit (33) for con...
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JP4026867B2 |
A method controls an internal combustion engine of a motor vehicle. The engine is supplied with air and has an ignition angle and the engine is equipped with a control unit for adjusting at least the air supplied to the engine and the ig...
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JP4023487B2 |
An electronic control unit adjusts an electronic throttle valve to a starting opening in a cold start mode of an engine, then maintains the opening of the electronic throttle valve so that an engine rotational speed detected by a crank a...
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JP4023327B2 |
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JP4023115B2 |
A control system (50) for a direct-injection spark-ignition internal combustion engine (1) is provided which includes a first control section for switchably controlling a combustion mode between a homogeneous combustion mode and a strati...
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