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JP3358411B2 |
To suppress idling engine speed fluctuation with good responsiveness by performing minimum operation required for the feedback control of ignition timing, and setting engine speed measuring timing to timing shortest to a cylinder to be c...
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JP2002541384A |
An internal combustion engine (1), especially for a motor vehicle, is described. The engine has an injection valve (8) with which fuel can be injected directly into the combustion chamber (4) delimited by the piston (2) in a first operat...
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JP2002339789A |
To properly execute stratified charge combustion from the low-speed side through the high-speed side of a stratified region to enhance a fuel economy improving effect, in a spark ignition type direct-injection engine for realizing strati...
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JP2002538365A |
A method and apparatus for optimizing desired operational characteristics of an engine having a positionable throttle and a plurality of cylinders wherein data representing the same gross amount of fuel to be injected into all of the cyl...
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JP3338679B2 |
To realize the display of the result of the diagnosis and the display whether or not the diagnosis is completed using one display device in a diagnostic instrument of a vehicle. The diagnostic instrument which is mounted on the vehicle t...
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JP2002535551A |
A device for suppressing engine knocks in an internal combustion engine, using a detection device for the detection of the respective operating parameters of the internal combustion engine; a control unit for determining manipulated vari...
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JP2002303186A |
To provide a fuel injection controller of an internal combustion engine capable of increasing a startability by advancing an initial explosion.This fuel injection controller comprises a crank angle sensor 1 for generating a crank angle s...
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JP3334675B2 |
An air-fuel ratio control apparatus of an internal combustion engine is provided which enables highly accurate calibration of an air-fuel feedback correction value to be completed in a short time, thus avoiding adverse influences on the ...
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JP3331789B2 |
An ignition timing control apparatus for an engine, which corrects the ignition timing in accordance with the presence/absence of exhaust gas to be recirculated into a combustion chamber by an exhaust gas recirculation (EGR) apparatus is...
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JP2002285895A |
To improve knocking by lowering an intake air temperature.An internal combustion engine is provided with an intake air valve 12 for switching communication between an intake air port 6 and a combustion chamber 7, a fuel injection valve 1...
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JP3325230B2 |
A catalyst light-off device for a direct injection engine comprises a temperature state identifier (31) for judging the temperature state of a catalyst (22) for converting exhaust gases, a fuel injection controller (33) for controlling f...
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JP3324344B2 |
To improve an operating property so as to reduce the feeling of physical disorder of a driver by suppressing the rotational fluctuation of an engine accompanying the input of an external load during idle operation. When requirement for i...
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JP3323974B2 |
PURPOSE: To high-precisely discriminate the output fluctuation limit of an engine and to advance a state that an air-fuel ratio is brought into a lean state and the retard of an ignition timing within a range not to exceed an output fluc...
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JP2002250261A |
To provide an ignition timing control device of an engine for preventing the engine from knocking just after an intake air control valve is driven.The ignition timing control device comprises an intake air control valve 23 mounted in an ...
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JP3320876B2 |
A two-cycle engine of the spark ignition type is provided wherein a mixture in a combustion chamber can be compressed and self-ignited at least in a low load operation region to effect an activated heat atmosphere combustion. In a transi...
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JP3314294B2 |
PURPOSE: To improve exhaust performance of an engine and fuel consumption performance by a method wherein an engine control object related to the combustion state of an engine is changed into a maximum limit in a direction in which engin...
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JP2002213290A |
To make the trolling propulsion state of a hull match the user's liking more precisely, when the hull is to be brought into the trolling propulsion state, by stably driving an internal combustion engine at a target engine speed in a low ...
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JP2002213292A |
To provide a method of providing engine torque information, for accurately supplying reliable torque information in the current operating condition to other controllers.The method disclosed for providing engine torque information, includ...
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JP2002180879A |
To surely protect an internal combustion engine from the excessive pressure in a cylinder while reducing the manufacturing cost, and to reduce the difference in output among the engines of the same type.The internal pressure of at least ...
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JP2002180894A |
To properly control an internal combustion engine even when an opening area or an operating angle of intake and exhaust valves are changed by controlling the internal combustion engine on the basis of not only the cylinder internal press...
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JP2002517672A |
A method of detecting combustion misfires in an internal-combustion engine, includes the following steps: variably actuating valve drives of the engine by an electronic engine control; performing a load-dependent control with the control...
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JP2002161792A |
To further develop a conventional operation method for a vehicle so as to operate the vehicle as optimally as possible over the entire durable period of the vehicle.An operation parameter suitable for the decision of a vehicular consumpt...
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JP3287306B2 |
To provide a control unit for an internal combustion engine in which a resin filling amount to the inside of a case is reduced. A control circuit forming body 5 in which electronic parts 3 used in a control circuit 1 are electrically and...
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JP3285493B2 |
To realize lean combustion suitably by providing with a means for setting a reference of the same dimension as a fundamental fuel injection pulse in the function of an accelerating opening as a load parameter at the time of a lean combus...
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JP2002130013A |
To restrain an air quantity from being deviated from a required air quantity, and to restrain an engine speed from being decreased, in switching to compression stroke injection when an engine is under a cooled condition.An electronic con...
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JP2002130103A |
To prevent deterioration in fuel economy while preventing deterioration of drivability due to enrichment for lean nitrogen oxides catalytic reduction.This electronic controller is provided with an air-fuel ratio control means switching a...
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JP3279032B2 |
PURPOSE: To stabilize engine speed by preventing increase or reduction in the engine speed when the throttle opening of an engine is stabilized. CONSTITUTION: An engine rotation speed controller is provided with an engine speed detector ...
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JP2002115639A |
To prevent a driver from feeling a rapid change of moment during a mode transition in an operating method of an internal combustion engine of a vehicle in which fuel is directly supplied to a combustion chamber 4 and ignited at an igniti...
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JP2002106403A |
To perform an optimal change in the operation system (homogeneous combustion operation, stratification combustion operation, homogeneous lean- burn operation).Operation methods of internal combustion engine and the device are provided. A...
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JP3273174B2 |
PURPOSE: To prevent deterioration of a convergence property of slip control due to response delay of supercharging limitation at the time when it is changed over to the slip control by the supercharging limitation in a supercharging regi...
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JP3267652B2 |
PURPOSE: To provide an exhaust emission control device with a warming-up device capable of enhancing the purifying performance of exhaust gas at the time of cold start of an engine as high as possible. CONSTITUTION: A catalyst 8 equipped...
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JP2002507691A |
A method is described for operating an internal combustion engine (1) especially of a motor vehicle, wherein a lean air/fuel mixture is supplied to a combustion chamber (4) in a first mode of operation and a stoichiometric or a rich air/...
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JP2002054486A |
To provide a control device for a cylinder injection system internal combustion engine capable of appropriately obtaining the fuel injection amount in a twice injection combustion mode and its execution period, and ensuring a stable comb...
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JP2002038992A |
To prevent the worsening of exhaust emission and realize early activation of an exhaust emission control catalyst by controlling an air/fuel ratio and/or an ignition timing for an internal combustion engine to an optimum in the case that...
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JP2002030970A |
To effectively suppress worsening of a combustion state, in a cylinder fuel injection type spark ignition internal combustion engine operated in an operation mode containing two kinds of lean combustion operation modes consisting of a pr...
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JP2002013420A |
To provide a cylinder fuel injection spark ignition internal combustion engine to secure favourable engine startability and to comparatively early warm an engine exhaust system catalytic device.A warming control degree (solid line) on a ...
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JP3237316B2 |
PURPOSE: To independently control an air-fuel ratio and ignition timing of each cylinder with high accuracy by determining a value corresponding to a filling air quantity of each cylinder on the basis of an engine speed and a normalized ...
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JP3216139B2 |
This invention relates to a control system for an in-cylinder injection internal combustion engine, which performs control of the timing of fuel injection, the timing of ignition and an EGR rate. It is an object of the present invention ...
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JP3211512B2 |
PURPOSE: To keep off any torque variation by checking a transient hunting in the case where the run-down of a cylinder and the control of ignition timing are used in combination. CONSTITUTION: In fuel-cut and retard combined control for ...
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JP2001248484A |
To solve a problem that exhaust NOx is increased when a stratified operation is continued when load is increased, in particular, because air-fuel mixture around an ignition plug is thick in a direct cylinder injection engine or flame tra...
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JP2001248486A |
To determine an actual torque value of an internal combustion engine, more particularly, a direct injection type internal combustion engine with very high accuracy and to thereby optimize an open loop control or a closed loop control of ...
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JP3201936B2 |
To attain the stability and accuracy of stoichimetric combustion, air-fuel ratio combustion corresponding to normal lean burn combustion, and uniform stoichiometric combustion by determining target torque according to an operating state,...
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JP2001512209A |
A method for correcting fuel injection internal combustion engine torque jerks including an electronic engine control system which determines, according to engine operating conditions, engine control parameter values, and such that at le...
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JP3198957B2 |
To provide a device for controlling a change in output of an internal lean combustion engine which can prevent a delay in ignition timing and an increased change in output. A fuel injection valve 11 is arranged near the inner wall of a c...
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JP2001214843A |
To improve an operation method or a device for an internal combustion engine for an automobile having an automatic transmission for detecting backward rolling when an advance travel stage is inputted.The backward rolling is detected when...
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JP2001214799A |
To provide a method for combustion misfire detection and cylinder uniformization in multi-cylinder internal combustion engine having knock control.In a calculation block 4.2, a uniformization coefficient GL1 calculated for changing injec...
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JP3196248B2 |
PURPOSE: To prevent occurrence of engine stall by recovering an engine, speed which is lowered through application of a load under an idling operation of an internal combustion engine. CONSTITUTION: Rotational direction and rate of a ste...
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JP2001193524A |
To provide a fuel injection control device for a direct cylinder injection engine improving drivability by suppressing torque shock. This fuel injection control device for a direct cylinder injection engine comprises, a means 21 for dete...
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JP3189734B2 |
To improve engine output while preventing certainly knock at the time of starting and the like while enhancing a compression ratio in a spark ignition type intercylinder injection internal combustion engine. This spark ignition type inte...
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JP2001509227A |
The invention concerns a method of controlling injection in a high-speed two-stroke fuel-injection internal combustion engine (10). According to this method, the operating behaviour is optimized even for compact small-size engines in tha...
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