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JP3601259B2 |
To provide stable stratified combustion by positioning mixture near an ignition plug at an optimum ignition time regardless of high or low speed of an engine. This invention is related to a cylinder direct injection type engine wherein f...
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JP2004537004A |
Fuel injection nozzles (1) inject into a combustion chamber (2) to form fuel jets with a conical fuel surface (6). A non-contoured base on a piston (3) borders the combustion chamber. Hollow conical fuel jets or streams percolate inside ...
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JP2004346868A |
To smoothly switch a combustion mode and to solve a problem on the deterioration of emission occurring in switching the mode.An engine 10 is composed of a cylinder injection type internal combustion engine, and switched between a homogen...
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JP3598880B2 |
To layer-likely and surely transport fuel atomization to nearby an ignition plug, by collecting an air flow from the groove part of a piston crown surface to one point, to lead the air flow to nearby a fuel injection valve. A sequential ...
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JP2004340124A |
To provide a stable and low-cost ignition means for a direct injection type internal combustion engine.In a direct injection spark ignition type internal combustion engine, an electrode 24 is integrally formed with a fuel injection valve...
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JP2004332553A |
To implement a constantly stable stratified charge combustion regardless of change in load.Homogeneous combustion and the stratified charge combustion are performed by switching an injection timing of a fuel, which is directly injected i...
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JP3592237B2 |
The engine can improve a leading air suction efficiency, has a simple structure and a low cost. Accordingly, in a stratified scavenging two-stroke cycle engine provided with an exhaust port (22) and a scavenging port (21) which are conne...
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JP2004324567A |
To positively form a stratified air-fuel mixture inside a combustion chamber.The direct injection internal combustion engine is provided with: an outside cavity 3a on the crown face of a piston 3, having a substantially rotary body shape...
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JP2004324565A |
To positively stratify a mixture even when fuel pressure differs.An internal combustion engine 1 provided with a fuel injection apparatus 6 for injecting fuel toward the inside of a cylinder, almost at the upper part center of a combusti...
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JP2004324563A |
To provide a direct-injection internal combustion engine which conducts a favorable combustion.A cylinder head 2a, a cylinder block 2b, an intake valve 7, an exhaust valve 8, a fuel-injection valve 11, a spark plug 12, and a piston 3 hav...
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JP3591045B2 |
PURPOSE: To promote mixture with air by a method wherein fuel spray is widely dispersed in a combustion chamber space. CONSTITUTION: When a lift amount of an intake valve 5a exceeds a given value, the upper side of fuel spray is collided...
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JP2004316568A |
To provide a cylinder direct injection type internal combustion engine realizing combustion with good combustion stability and fuel consumption performance, and less exhaust emission regardless of fluctuation of load conditions.The cylin...
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JP3585766B2 |
To provide stable and lean stratified charge combustion in a wide range of an engine rotation speed and load and improve the fuel consumption and exhaust gas property in a gasoline direct injection engine whose cylinder head is provided ...
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JP3582415B2 |
To enhance an early activation of catalyst while maximally restraining discharge of HC an atmosphere until the catalyst for exhaust emission is activated. At engine cooling time, a separate injection is carried out such that a part of fu...
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JP2004293419A |
To provide a spark ignition type direct injection engine capable of suppressing excessive thickening of mixture gas of a fuel atomization tip end, and enlarging a stratified operation region at a high load side.The spark ignition type di...
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JP2004293483A |
To prevent tumble flow from being unstably generated when generating tumble flow by closing a valve element for throttling a part of intake to upstream of an intake port.A flow control valve 20 having a shape in which the upper side is c...
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JP2004293485A |
To prevent unstable generation of tumble flow due to influence of intake pulsations when generating tumble flow in a combustion chamber by partially cutting off intake supplied to the inside of a combustion chamber through an intake pass...
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JP3578597B2 |
The present invention aims at preventing deterioration of driveability due to lean combustion, in a direct injection spark ignition type internal combustion engine. To this end, there is calculated a target engine-torque tTe which is to ...
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JP2004286038A |
To improve fuel consumption by eliminating a pump loss by stratified combustion under partial loading, and to increase output by premixed combustion at the time of the maximum output.An ignition source 14 is provided near a fuel injectio...
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JP3575296B2 |
To enhance the feeding properties of fuel atomization around each ignition plug, and try to restrain the adhesion of fuel onto the wall surface. The preservation of a forward tumble flow A in a circular arc shaped recessed part 17 at the...
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JP3575337B2 |
To improve combustibility by strengthening a tumbling flow of a direct injection spark ignition type internal combustion engine. A part to a fuel injection valve of an opening part peripheral wall 10 formed in a circumference of an inlet...
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JP2004278455A |
To obtain good stratified combustion in a wide load range by adjusting a forming range of stratified air-fuel mixture (size of the air-fuel mixture mass).At the time of low load stratified operation, swirl flow is strengthened by a swirl...
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JP3574203B2 |
PURPOSE:To prevent generation of misfire in discharging of NOx by arranging a NOx absorbent in an engine exhaust passage, and decreasing the mean air-fuel ratio to the theoretical air-fuel ratio or to the rich side from the lean side whe...
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JP3573138B2 |
To provide a cylinder-injection-of-fuel-type spark ignition internal combustion engine capable of surely enlarging a stratiform combustion area to a high load side by securing the ignitionability. This cylinder-injection-of-fuel-type spa...
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JP2004270566A |
To improve ignition stability at a time of self-ignition in a premixed compression self-ignition type internal combustion engine.This invented premixed compression self-ignition type internal combustion engine 1 is provided with intake p...
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JP2004270450A |
To solve a problem in a conventional intake device wherein control is performed upstream of an intake valve device and fuel spray sticking to the wall surface is not sufficiently prevented, and furthermore a low system cost, the atomizat...
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JP3569907B2 |
PURPOSE: To secure uniformity of mixing of fuel to air also in an engine wherein fuel is supplied from one side intake port. CONSTITUTION: A combustion controller of an engine is provided with an intake port 18, a fuel injection valve 30...
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JP2004257305A |
To obtain a high exhaust emission control effect by preventing fuel consumption degradation while improving fuel consumption by reducing pumping loss by minimizing mixing of EGR gas and sucked air in an EGR stratified combustion.An intak...
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JP3564945B2 |
To carry out advancing compensatory treatment of fuel supply quantity favourably to follow a load change accompanying disturbance, etc., and carry out favourable fuel supply control in accordance with change-over of a combustion state. T...
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JP2004251143A |
To improve combustion performance of an internal combustion engine during stratified combustion.A direct injection/spark ignition type internal-combustion engine has a cavity shape on the same center axis with a fuel atomization injected...
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JP3562342B2 |
To improve transportability of fuel spray to a circumference of an ignition plug and to restrain wall surface attachment of fuel. It is possible to realize stabilization of stratified combustion and improvement of an exhaust characterist...
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JP3562047B2 |
To stratificate in a simple structure that does not have a mixture supply port and realize a good lean-burn driving. A first inlet port 3 and a second inlet port 4 are interconnected to each other in a cylinder 1 where a spark plug 8 is ...
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JP2004245204A |
To provide a fuel injection apparatus for an internal combustion engine capable of realizing positive stratified combustion by transferring a fuel spray to an ignition plug at appropriate timing regardless of the operating state of the i...
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JP2004239176A |
To improve ignitability and combustion stability by forming an air-fuel mixture corresponding to a running condition without complicating the structure of a fuel injection valve.The fuel injection valve 11 can inject fuel at different an...
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JP2004239123A |
To provide a combustion chamber structure of a bi-fuel engine for improving output, and lengthening a cruising distance of a mounting vehicle by allowing not only stratified combustion by gas fuel but also stratified combustion by liquid...
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JP3554167B2 |
A controller of a direct injection engine is basically provided with a swirl control valve arranged in an air intake port portion, a fuel injection valve and a variable fuel pressure regulator, further provided with means for controlling...
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JP3551744B2 |
To secure combustion stability while reducing generation of NOx by recirculating exhaust gas by controlling an exhaust gas recirculation quantity regulating means so that an exhaust gas recirculation quantity is reduced or canceled accor...
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JP3553765B2 |
To secure cooling ability at the time of premixed combustion while preventing over-cooling of an engine main body at the time of stratified charge combustion. Fuel injection through a fuel injection valve is carried out in a compression ...
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JP2004218643A |
To improve the regulation of a fuel air mixture gas necessary to start.An injection pressure applied into a high pressure accumulator is monitored during a starting step, and after the injection pressure reaches a set threshold value or ...
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JP2004218603A |
To provide a spark ignition internal-combustion engine of intra-cylinder injection type capable of preventing the engine output from dropping caused by fuel attachment to a suction valve at the time of homogeneous combustion.The spark ig...
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JP3548688B2 |
To provide a cylinder injection type spark ignition engine internal combustion engine which can enlarge the stratified combustion range on the high speed side. A cylinder injection type spark ignition engine internal combustion engine in...
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JP3546649B2 |
To sufficiently reduce fuel consumption by enlarging a stratified combustive area, by increasing air intake by an intake increasing means when the necessary fuel amount determined on the basis of at least the engine operating condition e...
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JP2004204775A |
To improve combustion performance in stratified charge combustion in an internal combustion engine.In a cylinder injection type spark ignition engine having a fuel injection valve installed at a roughly center part of a combustion chambe...
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JP2004522039A |
A gasoline in a material fuel tank is separated into a high-RON fuel having a higher octane value than the material fuel and a low-RON fuel having a lower octane value than the material fuel, by a separator device equipped with a separat...
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JP2004197751A |
To provide technology for greatly reducing the emission of nitrogen oxide and hydrocarbon from a gas engine.The gas engine comprises a high pressure gas accumulator 2, a blower 8, a distribution header 3 arranged between the high pressur...
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JP2004190532A |
To ignite in the center of an air-fuel mixture mass under both a stratified high load condition and a stratified low load condition in a cylinder direct injection spark ignition engine.This cylinder direct injection spark ignition engine...
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JP3539131B2 |
To improve combustion efficiency by enclosing swirl including fuel mist in a recessed part. As intake swirl is generated along the inside of a cylinder, fuel is directly injected into a combustion chamber, and combustion is started by ig...
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JP2004183520A |
To expand a region in which an appropriate operation is enabled to both a low load side and a high load side.This premixed compression self-ignition type internal combustion engine 1 comprises a first intake port In1 and a second intake ...
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JP2004176604A |
To securely contact combustible air-fuel mixture with an ignition plug at ignition timing, irrespective of an engine speed, in a cylinder injection type spark ignition internal combustion engine that leads injecting fuel to the proximity...
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JP2004169570A |
To provide a cylinder injection spark ignition internal combustion engine capable of forming a good homogeneous air-fuel mixture on homogeneous combustion.During homogeneous combustion, a first suction port 8 generates a first tumble flo...
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