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JP4484809B2 |
To properly establish technology for carrying out stratified combustion and homogenous combustion, when forming a fuel-air mixture having a variable density distribution in an intake passage by supplying fuel gas to the air pulsing in th...
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JP4483706B2 |
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JP4477249B2 |
A control system for a direct injection spark ignition engine connected to an automatic transmission that modifies engine power in accordance with a selected one of shift programs (a normal mode for improved fuel economy and a power mode...
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JP4479822B2 |
In a direct injection spark ignition internal combustion engine that includes a fuel injection valve, and closes an intake valve after gas in the combustion chamber begins to flow back into an intake passageway after the compression stro...
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JP4466865B2 |
To provide a cylinder injection spark ignition internal combustion engine which can establish stable stratified combustion even if the pulse range of a fuel injection valve is shortened owing to various factors to reduce a combustion sta...
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JP4465849B2 |
To prevent damping of swirl, to suppress outflow of fuel spray to the outside of a cavity as transfer ability of fuel spray is ensured, and to suppress the generation of smoke and accumulation of carbon, in a spark ignition type direct i...
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JP4462079B2 |
An engine ECU executes a program including the steps of calculating an in-cylinder injector's injection ratio; if the ratio is 1, calculating an amount of cold state spark advance by employing a function f(1) having the engine's temperat...
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JP4456927B2 |
The process is designed to heat an accumulator catalyzer (38) installed after a pre-catalyzer (36) in the exhaust system of an IC engine (12) having at least one combustion chamber (16) with controlled ignition, direct fuel injection and...
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JP4458036B2 |
An internal combustion engine includes neighboring main and auxiliary combustion chambers (4,12) that are separated by a partition wall (13) including a communicating passage (13a). Ignition of an air/fuel mixture in the auxiliary combus...
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JP2010071230A |
To obtain a high stratifying rate when performing an outside EGR stratification in which a first layer containing an EGR gas is formed in a cylinder while sandwiching a second layer not containing the EGR gas, and improve combustion and ...
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JP4443835B2 |
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JP4433942B2 |
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JP4435085B2 |
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JP2010053751A |
To improve ignition and to improve exhaust emission by reducing unburnt HC and CO generated in a boundary, when stratifying EGR.An engine 50A has a first sub-combustion chamber 55 communicating with a combustion chamber 51 by a first com...
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JP4428275B2 |
To improve combustion stability and exhaust emission performance by forming a satisfactory air-fuel mixture regardless of a load condition in a stratified operation area in a spark ignition type direct injection internal combustion engin...
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JP2010048116A |
To provide a fuel injection controller of an internal combustion engine of cylinder injection type, which enhances the output therefrom.The engine 10 is equipped with a fuel injection valve 39 to make direct injection of the fuel into ea...
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JP4425445B2 |
In a self-igniting possible range, both intake and exhaust valves (6), (7) are placed in a closure condition for a period from the end of an exhaust stroke and the beginning of an intake stroke for establishing a negative overlap period ...
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JP4423816B2 |
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JP4426758B2 |
A method for heating up a catalytic converter in internal combustion engines having gasoline direct injection is presented and has the steps: shifting the ignition toward retard; checking whether the charge of the cylinders with air exce...
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JP4424147B2 |
An exhaust emission control apparatus for an internal combustion engine includes a fuel injection valve placed substantially at a midpoint above a combustion chamber of the engine; a piston having an outer cavity formed substantially in ...
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JP4420212B2 |
To provide a two-point ignition internal combustion engine realizing improvement in fuel consumption and suppression of knocking. Two ignition plugs (30, 32) and two intake port parts (10, 12) are provided to the upper wall of a combusti...
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JP4422677B2 |
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JP2010037964A |
To provide a new air-fuel mixture forming method suitable for stratified combustion.A cylinder fuel injection spark ignition internal combustion engine contains a fuel injection valve 18 for injecting fuel into a combustion chamber and f...
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JP2010037958A |
To provide a fuel injection control device enabling warming up of an exhaust emission control catalyst under an engine operation state of low engine temperatures and reduction of smoke emission caused due to liquid fuel of a piston top s...
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JP4415497B2 |
During stratified-charge combustion operation of a direct-injection spark ignition engine, at the cylinder compression stroke, a tumble is generated which flows between a spark plug electrode and a piston crown surface toward an injector...
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JP2010031764A |
To control the temperature distribution of an intake valve and reduce fuel adhesion which becomes the cause of occurrence of PM by controlling intake flow hitting an umbrella part of the intake valve during fuel injection.The cylinder di...
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JP4412490B2 |
When, in a coexistence region where stratified combustion by a spray-guide method (SG combustion) and stratified combustion by a wall-guide method (WG combustion) are both practicable, a change from the SG combustion to the WG combustion...
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JP4413430B2 |
An internal combustion engine (1), especially for a motor vehicle, is described which is provided with an injection valve (13) with which the fuel, which is to be injected for a combustion, can be injected directly into a combustion cham...
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JP4397199B2 |
To provide a cylinder injection internal combustion engine with excellent ignitability for improving combustion efficiency and improving fuel consumption without enlarging a cavity, by separating a tip firing part of an ignition plug fro...
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JP2010001833A |
To provide a control device for an internal combustion engine expanding toward heavy load side an operation zone in which premixed compression self-ignition combustion can take place.The control device for the internal combustion engine ...
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JP4391051B2 |
An internal combustion engine (1), especially for a motor vehicle is described, which is provided with a combustion chamber (4) into which fuel can be injected directly by an injection valve (9) and can be ignited by a spark plug (10) in...
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JP4388258B2 |
To provide a control device for a direct injection type spark ignition engine capable of securing the stability when changing-over is made from a homogeneous combustion of one run fuel injection into a stratified stoichiometric combustio...
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JP4392180B2 |
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JP4383454B2 |
The method involves opening a non fuelled supercharged air inlet valve (28) and an exhaust valve (36), before the end of an exhaust phase of a cylinder (10) of an engine. A valve (30) is controlled to pass and block a supercharged non-fu...
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JP4380691B2 |
An internal combustion engine (1), including a main combustion chamber (5) serving as a main combustion chamber, an auxiliary combustion chamber (20) adjacent to the main combustion chamber (5) and smaller in capacity than the main combu...
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JP4381500B2 |
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JP4374495B2 |
The internal combustion engine has at least one cylinder in which a fuel-air mixture can be compressed by a piston. The temperature of the mixture in the combustion chamber can be brought to at least above 80 percent and at the most 98 p...
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JP4367045B2 |
To provide a compression ignition internal combustion engine with a plurality of fuel injection valves, capable of carrying out stable fuel combustion while suppressing the production of NOx and smoke by putting a mixture in a combustion...
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JP4355253B2 |
The method involves alternately producing lean combustion chamber fillings and rich fillings in the at least one combustion chamber, operating the engine (12) in a first mode with layered combustion chamber (16) fillings and a second mod...
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JP4349332B2 |
To provide a premixed compression ignition engine improving ignition at light load and stabilizing combustion at heavy load. A first intake port 4 and a second intake port 5 are connected to a cylinder 2. A shutter 15 shutting one of an ...
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JP4349297B2 |
To increase fuel economy and improve emission by increasing an operating range for injecting a plurality of times in one time of injection timing by increasing a stratified combustion range. A fuel is injected in a compression stroke by ...
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JP4343762B2 |
The present invention provides a fuel injection control device which can prevent the occurrence of a phenomenon that when a pressure of fuel in the inside of a pressure storage chamber is elevated during a fuel cut, and the injection of ...
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JP4345587B2 |
In an engine starting control system of an internal combustion engine in which an eco-run control is performed, a combustion stroke that each cylinder reaches when the internal combustion engine comes to an engine stopped state by the ec...
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JP4338660B2 |
To stratify or uniformize exhaust gases in a combustion chamber by a simple structure and stabilize a combustion state and reduce NOx by switching the stratification or uniformization of the exhaust gases properly according to the operat...
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JP4336582B2 |
In an internal combustion engine having direct injection and spark ignition, charging air is introduced in stratified charge operation through one of two valve-controlled intake channels into a cylinder having a roof-like cylinder head e...
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JP2009209715A |
To provide a spark ignition apparatus of an internal combustion engine, reducing fuel consumption and NOx in the entire operating range, as well as reducing HC produced on inner and outer peripherals of cylinder as well as enhancing a kn...
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JP4333017B2 |
To restrain drivability from being worsened caused by improper execution in torque control for regulating leading of engine torque when an internal combustion engine transits from an idling condition to an off-idling condition. When a ga...
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JP4329446B2 |
To increase the effect of improving fuel consumption and emission control by allowing effective combustion in succeeding cylinders in a wider operation region by compression self-ignition while suppressing the occurrence of knocking. A c...
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JP2009197724A |
To enhance the exhaust performance by supplementing degradation of the ignitability of fuel of low cetane number caused by the low-load drive in a self-ignition type engine using a plurality of fuel having different cetane number.A first...
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JP2009197653A |
To solve the problem of a gasoline engine, which executes pre-mixed compression ignition, wherein quantity of NOx contained in exhaust gas is increased when stratified charge combustion by pre-mixed compression ignition is executed in th...
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