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JP2006200494A |
To fully suppress a misfire from occurring in a cylinder-injection spark-ignition internal combustion engine in which a block of a combustible air fuel mixture is directly formed in part of a cylinder by a fuel injection valve arranged a...
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JP2006200495A |
To carry out a stratified charged combustion by suppressing NOx from occurring without significant deterioration in heat efficiency in a cylinder-injection spark-ignition internal combustion engine.The stratified charged combustion is ca...
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JP3804879B2 |
To shorten a delay in the ignition of main injection and reduce noise and NOx by jetting part of fuel of a total injection amount primarily at the middle time of a compression process, evaporating and diffusing it to prepare lean and uni...
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JP3805574B2 |
To ensure stability of an air-fuel ratio with respect to fine change of a demand torque, and improve drivability by smoothly treating the demand torque corresponding to a combustion mode decided according to the demand torque, in a devic...
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JP3804315B2 |
To secure combustion stability through stratification of fuel in the vicinity of an ignition plug, to reduce the generation of smoke through suppression of adhesion of fuel on a wall surface, and to secure and improve output and fuel con...
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JP3800875B2 |
To satisfactorily vaporize even fuel injected during a later half of intake stroke, and after injection, impinged and stuck to a cylinder bore in a cylinder injection type spark ignition internal combustion engine incorporating a fuel in...
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JP3800727B2 |
To improve fuel economy performance in a cylinder fuel injection type internal combustion engine in which operation at a lean air-fuel ratio is performed. A recessed combustion chamber 6 formed in a crown surface of a piston 1 is formed ...
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JP3799929B2 |
To prevent the leakage of atomized fuel from a cavity 14 on the crown surface of a piston 10 to ensure the stratification in a stratified combustion by injecting fuel from a fuel injection valve 7 into the cavity 14 and collecting the at...
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JP2006183597A |
To provide a cylinder direct injection type internal combustion engine which can generate a uniform stratified air-fuel mixture mass with a desired dimension in a wide load region so as to perform stable stratified combustion.In the cyli...
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JP2006183576A |
To secure crown surface achievement distance of spray and suppress formation of over rich air fuel mixture when stratified combustion to make spray move by penetration force of itself.A drive mechanism D moving an injection point p of th...
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JP3797019B2 |
To obtain appropriate fuel vapor respectively at intake process injection and compression process injection by providing bias in the injection ratio of atomization and atomized shape of fuel. A valve main body 1 has a fuel reservoir 3 an...
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JP3797011B2 |
To enhance responsiveness at switching of a mode by providing a first operation mode of detecting a load detecting parameter from an accelerator control input, and a second operation mode of detecting the parameter from negative pressure...
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JP2006177254A |
To provide a combustion chamber structure for an internal combustion engine increasing combustion speed and demonstrating knocking suppression effect.Space parts 21, 22 provided in a squish area 12 around the combustion chamber 10 of the...
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JP2006177181A |
To achieve both drastic delay of ignition timing and combustion stability, to realize rise in exhaust gas temperature when an engine is cold, and to prevent deterioration of HC due to adherence of fuel droplets to a piston.In a warming u...
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JP2006170109A |
To improve ignition property by improving carbon fouling of a spark plug in a cylinder direct injection type internal combustion engine.This invention relates to an ignition control device or the cylinder direct ignition type internal co...
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JP3791322B2 |
To prevent smoke from being generated when an operation condition of an engine is within a low speed and high load area, in a direct injection engine wherein fuel is mixed using a gas flow generated in a cylinder in homoge neous charge c...
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JP2006161819A |
To provide a cylinder direct injection engine capable of injecting fuel into a combustion chamber directly to guide air-fuel mixture by air flow, stabilizing combustion of the engine, and improving fuel economy and emission.In this inter...
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JP2006161733A |
To materialize temperature rise of exhaust gas and reduction of HC emission quantity by compatibly establishing great delay of ignition timing and stability of combustion.Normal stratified combustion operation and homogeneous combustion ...
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JP3788275B2 |
To obtain an appropriate shape of spray of fuel generated respectively by fuel injection in the compression stroke when carrying out stratification combustion and by fuel injection in the intake stroke when carrying out homogeneous combu...
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JP2006144608A |
To avoid unstable stratified combustion caused by change in a spray pattern in a non-warm-up state at a low fuel temperature.A fuel injection valve 15 directly injecting fuel in a cylinder is disposed to a side part of a combustion chamb...
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JP2006144597A |
To operate in a wide load zone in a stratified combustion area.This internal combustion engine 10 has a direct fuel injection valve 20 having a plurality of fuel injection holes, a first ignition plug 121, and a second ignition plug 122....
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JP3781919B2 |
To provide a stratified scavenging two-cycle engine having simple structure and excellent startability and capable of cleaning the exhaust gas. A check valve 12 is provided in a leading air passage 11 connected to a scavenging flow passa...
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JP3777729B2 |
To suppress the initial spray diffusion to reduce lean mixture quantity and satisfactorily hold a stratified charge combustion under a wide ranged operating condition by providing an operating condition adaptability judging means for inl...
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JP3774992B2 |
To improve engine intake air quantity control precision. Acceleration opening θ a, engine rotation speed Ne, water temperature Tw, etc., are inputted (S1), stratified charge combustion or homogeneous combustion is selected based on thes...
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JP2006112342A |
To attain stratified-charge combustion by inhibiting degradation in emission of exhaust gas caused by drop in catalyst temperature in a stratified-charge combustion continued for a long time, or by spark-plug carbon fouling in a center i...
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JP2006112240A |
To provide a cylinder direct injection type internal combustion engine in which injected fuel mist can form an air fuel mixture mass without affecting the gas flow generated in the cylinder.An annular groove 12 is formed on a flat piston...
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JP3769944B2 |
To execute elimination treatment of NOx without deteriorating fuel economy by injecting fuel having a rate which an average air-fuel ratio in a combustion chamber becomes a stoichiometric air-fuel ratio at a latter half of a compression ...
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JP3771361B2 |
To provide a cylinder injection type fuel injection valve which can obtain stable engine performance in a wide rotational range by producing each fuel spray form matched to a stratified combustion mode and a homogeneous combustion mode b...
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JP3767352B2 |
To provide a control device for an internal combustion engine capable of further improving NOx emission and reducing combustion noises without causing deterioration in drivability at the time of changing a combustion method from stratifi...
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JP3768296B2 |
To carry out atmosphere correction, and ensure stable stratified combustion by providing with a control means for carrying out stratified combustion on the basis of an engine control parameter setting value on the basis of a target load ...
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JP3767125B2 |
To make compatible stratified charge lean burn utilising a swirl flow and homogeneous charge combustion utilising a tumble flow at a high level. A protrusion 21 comprising an intake valve side sloped face 22 parallel to a sloped face of ...
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JP2006083765A |
To provide a spark ignition internal combustion engine capable of suppressing occurrence of knocking when performing homogeneous combustion operation and performing even stratified charge combustion satisfactorily.This spark ignition int...
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JP3757998B2 |
To reliably prevent a fall of the number of revolutions during idling even during the increase of a load due to other cause than operation of auxiliary machines, such as variation of an environment condition and a trouble of a transmissi...
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JP3758364B2 |
To improve stability of exhaust emission and laminated combustion by improving a tumble flow conservation and by arranging a combustion injection valve in an inlet valve arrangement side. A tumble flow (a) is revolved along an arc surfac...
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JP3753166B2 |
With the present invention, the combustion method of an internal combustion engine is switched between homogeneous combustion and stratified combustion according to the operating conditions of the engine, and when purging of the fuel vap...
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JP2006052663A |
To suppress smolder of an ignition plug by fuel injected from an injector and adhesion of fuel injected from the injector on a combustion chamber inner wall surface, in a cylinder injection type internal combustion engine.The cylinder in...
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JP3748629B2 |
To control emission of HC by making switching to the total area mixture layer when the storage quantity of the evaporated fuel exceeds the prescribed value during the operation by the limited layer in an engine provided with a mixture la...
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JP2006046276A |
To optimize ignition energy based on a method for forming stratified charge mix in a case of directly injecting fuel into a combustion chamber 4 by a fuel injection valve 11 to form the stratified charge mix around a spark plug 12, and i...
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JP2006046277A |
To provide stable stratified charge combustion even in conditions with high engine speed.A fuel injection valve 11 and an ignition plug 12 are provided at an upper part of a combustion chamber 4. A cylindrical cavity 13 is provided close...
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JP2006046126A |
To materialize an exhaust gas temperature rise and an HC exhaust amount reduction in a cold state by achieving both a large delay of ignition timing and combustion stability.In a warm-up completed state where cooling water temperature ex...
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JP3743499B2 |
To provide an exhaust-temperature raising device that suppresses fuel consumption amount as small as possible and can efficiently and certainly raise the temperature of exhaust gas. This exhaust-temperature raising device comprises a fue...
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JP3743895B2 |
To provide a combustion chamber structure of an inner-cylinder injection type engine which can always secure satisfactory layer combustion by the use of reflection of fuel onto a piston. This engine is provided with an injection means 12...
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JP3743896B2 |
An internal combustion engine having a cylinder head body (10) with a pentroof-shaped combustion chamber (30) comprises a piston (20) including a piston cavity (60) and a caldera-shaped protrusion (62) provided around the piston cavity, ...
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JP3744122B2 |
To secure swirl in stratified mixture combustion, and improve combustion characteristics. Fuel is directly injected into a combustion chamber 4, and injected fuel is ignited by a spark plug 5 to be burnt. A cylinder head 1 is provided wi...
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JP3741494B2 |
To provide a combustion chamber structure of an inner-cylinder injection type engine which can always secure satisfactory layer combustion by the use of reflection of fuel onto a piston. This type of engine is provided with an injection ...
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JP2006503215A |
Internal combustion engine has at least one engine component comprising: (a) a combustion chamber for a combustion mixture equipped with a compression system; (b) an ignition system for the combustion mixture; (c) some devices for the se...
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JP2006503223A |
A method for controlling combustion timing in an homogenous-charge compression-ignition engine, comprising: providing a fuel conduit extending between a source of fuel and at least one fuel introduction port in fluid communication with a...
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JP2006503216A |
An internal combustion engine has at least one motor component which comprises: (a) a combustion chamber provided with a compression system ; (b) an ignition system for the fuel mixture; (c) some devices for the sequential passage of the...
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JP2006022665A |
To provide a cylinder injection type spark ignition internal combustion engine materializing stratified combustion preventing generation of large energy loss by making maximum combustion speed reached after compression top dead center.In...
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JP3738478B2 |
To eliminate the necessity of a fuel injection valve having special functions such as a spray deflection type and the like, and simplify a structure. Two independent intake ports 3 are formed into such a shape as the mutual spacing of bo...
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