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JP3357450B2 |
PURPOSE:To strengthen an in-cylinder flow by valve-opening a primary suction port until late to a secondary suction port to realize stratified combustion to achieve a lean burn, and also restrain combustion worsening by internal EGR havi...
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JP2002349335A |
To generate a tumble flow T directed toward an injector 18 in a combustion chamber 6 within a cylinder during stratified combustion operation of an engine 1, and to inject fuel with appropriate force counter to the tumble flow T, thereby...
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JP3352074B2 |
To provide a stratified charge combustion internal combustion engine whose cross directional dimension can be reduced. An intake valve 21 and an exhaust valve 22 are arranged in the axial (longitudinal) direction of a crankshaft 12 for e...
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JP3353709B2 |
To provide a cylinder injection type spark ignition internal combustion engine which can prevent occurrence of a misfire and which can surely enlarge the stratified combustion range on the high load side. In a cylinder injection type spa...
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JP3352482B2 |
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JP2002339754A |
To provide a cylinder injection type spark ignition internal combustion engine capable of surely expanding a stratified combustion area to a high load side by assuring a reliable ignitability.This cylinder injection type spark ignition i...
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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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JP2002332849A |
To enhance a fuel economy improving effect by stratified charge combustion further by properly retaining an air-fuel mixture stratified state, from the low load side to the high load side within a stratified charge combustion zone.In the...
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JP2002539355A |
Engine control apparatus and methods for avoiding heavy soot production yet providing smooth engine acceleration and deceleration without significant engine RPM increases and decreases with small throttle movements are described. In one ...
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JP2002539365A |
The engine has combustion chambers (4) with injectors (6) whose nozzles inject fuel into the chambers in a cone shape with an opening angle between 70 and 110 degrees to form an ignitable fuel/air mixture with separately delivered combus...
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JP2002295261A |
To collide fuel spray and tumble flow with each other at stratified combustion, so as to make combustible gas mixture pile up at the circumference of an ignition plug, thereby markedly increasing a period in which ignition can be perform...
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JP2002295260A |
To collide fuel spray and tumble flow with each other from the substantially counter directions at stratified combustion, so as to pile up combustible gas mixture at the circumference of an ignition plug, thereby maintaining a strong tum...
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JP2002533604A |
The invention provides a method for burning off the spark plugs of an internal combustion engine in which injection is carried out in the stratified charge mode. The inventive method is characterized in that during a phase in which the c...
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JP3329170B2 |
To improve a carburetion characteristic of fuel, and enhance an engine output by improving a piston cap face shape in a cylinder direct injection type internal combustion engine. In the intake side portion (a portion facing to an intake ...
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JP3329169B2 |
To improve a carburetion characteristic of fuel, and enhance an engine output by improving a piston cap face shape in a cylinder direct injection type internal combustion engine. In the intake side portion (a portion facing to an intake ...
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JP2002276421A |
To achieve a properly stratified mixture by avoiding an inbalance between fuel injection and tumbling flow resulting from the dispersion of the penetration force of the fuel injection from an injector 18 when the tumblning flow T flowing...
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JP2002276418A |
To improve fuel consumption by improving combustion in a high load area of an engine torque and to suppress smoke occurrence in a high load area in a lean barn area, in a cylinder injection engine having a turbo supercharger.Scavenge acc...
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JP3327168B2 |
To preserve tumble flow and swirl flow which flows a top part of a piston without weakening so as to improve a toque by improving combustion. A projection part 21 of a top surface of a piston 4 is composed of an intake valve side inclini...
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JP2002266644A |
To realize the technique capable of providing a high compression ratio and high efficiency by injecting the fuel to a main combustion chamber 1 with high pressure without using a complex and expensive fuel injection device, in an engine ...
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JP2002266645A |
To realize the technique capable of providing high compression ratio and high efficiency by injecting the fuel to a main combustion chamber 1 with high pressure without using a complex and expensive fuel injection device, in an engine 10...
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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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JP3325232B2 |
A direct injection engine including an injector disposed in an upper portion of a combustion chamber defined above a piston disposed in a cylinder of the engine with a fuel injecting direction of the injector being provided so that a fue...
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JP3325231B2 |
To reduce the amounts of HC, NOx and other emissions from a direct injection engine when a catalyst is still in its unheated state, and to promote catalyst quick light-off operation by increasing the temperature of exhaust gases, a contr...
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JP3324039B2 |
A method reduces harmful exhaust-gas emissions of a spark-ignition, direct fuel injection engine operated with a lean fuel/air mixture. Under part load, the engine is operated in the stratified-charge mode with a lambd value of >1, and t...
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JP3323523B2 |
PURPOSE: To reduce HC and NOx by providing a control means to uniform a combustion ratio until flame ignited by an ignition gap reaches a peripheral part. CONSTITUTION: That which control an air-fuel ratio distribution state of an air-fu...
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JP2002242716A |
To provide a control device for a cylinder injection engine using a valve changing mechanism for promoting vaporization for the spray of fuel at the initial period of injection to reduce the rate of HC emissions while restraining the rat...
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JP3317228B2 |
An apparatus and method for controlling combustion of an engine. The engine has a throttle valve (23) located in an intake duct connected to combustion chambers (5), and a brake booster (71) actuated by vacuum supplied by the intake duct...
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JP2002227650A |
To provide an engine with combustion which enables vastly manifold injection conditions in order to surmount the problem of losing lubrication due to fuel or soot.The direct fuel injection type internal combustion engine is provided with...
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JP2002227697A |
To peel injection device of internal combustion engine in this invention enables control of a knock certainly about the fuel injection equipment of an internal combustion engine, without causing the fall of an output.If a knock is detect...
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JP3308754B2 |
PURPOSE: To ensure excellent ignitability even during low load running and when a part of exhaust gas is fed to a combustion chamber to purify exhaust gas and to improve engine performance through the increase of a flame propagation spee...
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JP2002206446A |
To solve the problems of the density of fuel mainly for spray becoming excessive due to contraction of fuel spray under supercharging and ignition efficiency is deteriorated, and thereby smoke density and/or HC exhaust efficiency is incr...
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JP2002188447A |
To restrain the rate of increase in the pressure inside a cylinder and expanding of a compression autoignition combustion region toward the higher loaded side, by delaying the ignition time period at compression autoignition combustion t...
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JP2002180837A |
To improve performance by avoiding the variation of the behavior of a fuel injected from a fuel injection valve toward the inside of a cavity, in a direct injection type internal combustion engine composed by mounting the fuel injection ...
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JP3295975B2 |
PURPOSE: To provide a cylinder injection type gasoline engine performing stratified combustion so as to obtain a stable combustion state. CONSTITUTION: A gasoline engine has an intake port 5 opened facing a combustion chamber 4, and a sp...
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JP2002161780A |
To control the start of combustion in an autoignition operation region by a most simple method in an internal combustion engine which is operated with a self-ignitable uniform fuel/air mixture.This operation system in which the engine is...
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JP2002155805A |
To provide a carburetor for a two-stroke stratified scavenging internal combustion engine that improves the accelerating characteristic of the engine without degrading an exhaust gas component.An air throttle valve 2 and a mixture thrott...
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JP2002147236A |
To solve the problem that the injected fuel becomes the droplet hard to be evaporated and that the mixing with the air is insufficient and that the excellent combustion is hard to be obtained at a high temperature of the top surface of a...
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JP2002147237A |
To obtain the stabilized combustion over the whole operation range in a two-cycle engine.An operation range is determined on the basis of the engine speed Ne and the engine load Lo (S3), and a stratified charge combustion mode is selecte...
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JP3278722B2 |
PURPOSE:To achieve both the reduction of NOx and the improvement on combusibleness in a direct injection type diesel engine by stratifying a reflux exhaust gas layer biased to the proximity of fuel spray. CONSTITUTION:Two adjacent intake...
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JP3279810B2 |
PURPOSE: To improve scavenging efficiency and air supplying efficiency by providing one side scavenging port diagonally up and the other side scavenging port approximately sideways, out of a plurality of scavenging ports formed on the in...
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JP2002122038A |
To provide a fuel injection control device for an internal combustion engine, capable of deciding a value of the fuel injection quantity which is appropriate to the then present charge efficiency and of appropriately and easily controlli...
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JP3275713B2 |
To increase an driving air-fuel ratio of an engine while maintaining stable combustion. A swirl port 14a and a straight port 14b are provided on a cylinder head 10 of an engine, and an intake air control valve 32 is provided on an intake...
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JP2002115549A |
To prevent a gas flow from being obstructed by a squish flow generated when a piston approaches the top dead center of compression, and ensure stable combustion at the time of stratified and homogeneous combustion.In this cylinder direct...
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JP2002511549A |
An internal combustion engine with controlled ignition and direct ignition. In the internal combustion engine at least one intake duct can generate in a cylinder a flow referred to as "tumble", at least for certain engine operating phase...
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JP2002106354A |
To make security of the degree of stratification and reduction of a compression ratio compatible with each other, in a spark ignition type direct injection engine formed that a cavity is formed in a piston crown surface in a manner to be...
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JP2002106404A |
To provide a method for preventing misfirings in a stratified charge combustion type internal combustion engine, when releasing of NOx from NOx absorbing agent.When the engine runs under a low loading condition, wherein the air-fuel mixt...
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JP2002097960A |
To provide a combustion method for an internal combustion engine allowing a low NOx and smoke-less operation while suppressing a combustion pressure rising rate.Fuel is injected, in pulse configuration, in a combustion chamber 5 formed i...
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JP2002089301A |
To properly set a valve timing in accordance with an engine load even in a stratified charge combustion mode, in a direct injection type internal combustion engine.This valve timing control device for internal combustion engine is driven...
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JP2002089267A |
To provide a gasoline direct injection engine constituted so that ignition stability is prevented to be impaired.This gasoline direct injection engine is equipped with a combustion chamber 1 formed between a cylinder head CH and a top pa...
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JP2002089339A |
To generate engine output requiring exhaust emission by preventing deterioration of specific fuel consumption and exhaust emission at the time when an accelerator pedal is stepped on in the middle of heating control on a cylinder injecti...
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