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JP2007192235A |
To enhance fuel consumption by eliminating pump loss through a laminar combustion under a partial load state, and increase the output through a premix combustion at the maximum output state. The device is provided with an ignition source...
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JP3952710B2 |
To stably control ignition timing and suppress NOx producing amount not more than a certain value by optimizing air-fuel mixture distribution in a cylinder for compressed self-ignition combustion. Using an air-fuel mixture injection valv...
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JP3952693B2 |
To stably execute the stratified combustion by improving a stratification degree of the air-fuel mixture in comparison with a case of one fuel injection without executing two divisional injections. In this fuel injection controller of th...
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JP2007187166A |
To provide a cylinder injection type internal combustion engine capable of stratified operation when traveling at a speed per hour of 120 km/h and/or in an engine speed of 3,200 rpm, for improving fuel economy and/or for clearing exhaust...
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JP2007187112A |
To provide a premixed compression ignition internal combustion engine capable of surely reducing combustion noise in high load operation.This internal combustion engine is provided with an injector 12a for injecting liquid hydrocarbon fu...
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JP3948225B2 |
To enlarge a stratified charge combustion operation region while reducing the exhaust of unburned HC by performing the stratification of an air-fuel mixture in low and medium load operation regions of an engine satisfactorily. A pair of ...
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JP3945158B2 |
To enable a compressed self ignition combustion area to expand on the high-load side, by delaying ignition timing at the time of compressed self ignition combustion so as to slower the pace of increase in pressure within a cylinder. A fu...
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JP2007177740A |
To prevent fuel spray from left and right injection holes directed into the vicinity of an electrode of an ignition plug, from interfering (colliding) with intake valves.A fuel injection valve 18 is disposed at the peripheral edge part o...
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JP2007170312A |
To provide a variable compression ratio internal combustion engine capable of efficiently burning air-fuel mixture even in a prechamber besides a main combustion chamber.The variable compression ratio internal combustion engine is equipp...
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JP3941258B2 |
To provide an in-cylinder direct injection type internal combustion engine with excellent ignitability and fuel efficiency by means of fuel stratification. Fuel is directly injected into a combustion chamber 4 from a fuel injector 8 prov...
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JP3937650B2 |
To enable direct injection by forming a passage for generating sufficient deflection, in an engine with two suction valves and two exhaust valves. On the combustion chamber wall surface 13 between a fuel injection valve 4 and two suction...
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JP3937545B2 |
To stabilize the stratified combustion by suppressing generation of smoke and unburned hydrocarbon and suppressing or reducing deposition on the top of the piston. A land 20 that gradually becomes wider by the top view from the side wher...
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JP3934934B2 |
To provide a cylinder injection type engine and a method for stratified combustion of the engine capable of performing stratified combustion in the vicinity of theoretical air fuel ratio by EGR gas, reducing pumping loss to improve fuel ...
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JP3932697B2 |
To suppress the adhesion of fuel to a piston to reduce exhaust HC and improve the fuel consumption by generating a wirling flow of air within a combustion chamber, and performing the fuel injection dividedly to a fuel injection with larg...
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JP2007146749A |
To provide an internal combustion engine capable of accelerating combustion while obtaining a necessary air intake quantity by a simple structure and inhibiting oil dilution.The internal combustion engine 1 is provided with a combustion ...
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JP3928214B2 |
To stratify the circulated exhaust and to distribute the exhaust to an area of high concentration of an air-fuel mixture, by installing an introduction part of the circulated exhaust from an exhaust circulating device, at a downstream si...
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JP2007138780A |
To achieve stable burning in an auxiliary chamber by forming a proper air-fuel mixture in the auxiliary chamber 12 in an auxiliary chamber type internal combustion engine.This auxiliary chamber type internal combustion engine comprises t...
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JP2007138746A |
To provide a fuel supply device which achieves both the further optimization of a fuel spray shape and further atomization of a sprayed fuel particle.A fuel spray valve 100 which can execute two types of fuel spray shown by spray 31 and ...
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JP3926989B2 |
To provide a control system for a cylinder fuel injection and spark ignition type engine which broadens the operating zone of stratified combustion by using the cylinder fuel injection and spark ignition type engine with an unsymmetrical...
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JP2007514013A |
A method is disclosed for controlling exhaust emissions from direct injected homogeneous charge compression ignition engines by combusting therein a fuel having a cetane number equal to or less than 50, and aromatic content equal to or g...
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JP3920526B2 |
To perform self-ignition combustion of a part of air-fuel premixture. A fuel injection valve 6 and an ignition plug 7 are disposed in a combustion chamber 5. Space distribution is effected on concentration of air-fuel premixture in the c...
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JP3922262B2 |
To provide a revolution speed control device for an internal combustion engine to be operated while changing over its combustion mode, achieving good high-response control. During stratified charge combustion, even when there is an exter...
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JP3921884B2 |
To optimize the stratification of the air-fuel mixture to provide the stable stratified combustion operating performance by judging a first parameter correlating to a fuel vaporized state in a cylinder in the stratified combustion operat...
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JP2007511704A |
A reciprocating internal-combustion engine having at least two gas intake ports ( 3 ) with gas intake valves ( 6 ), at least one gas exhaust port ( 4 ) with a gas exhaust valve ( 7 ) and at least one ignition device ( 14 ) per cylinder (...
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JP3911869B2 |
To improve the combustion properties of stratified combustion and uniform combustion and to improve the properties of exhaust nature. It is set that front collision occurs between cylinder fluid A and injection fuel F during stratified c...
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JP3911945B2 |
To improve the self-ignitability without causing any knocking in a wide operation range. An exhaust circulating passage 19 for circulating exhaust is connected to one intake port 7. The exhaust is introduced from the one intake port 7, w...
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JP3912194B2 |
To provide a spark ignition type direct injection engine which prevents dripping fuel from attaching to the periphery of an electrode and where a fuel-air mixture near the electrode does not become too rich, while accelerating vaporizati...
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JP2007107452A |
To provide a cylinder injection type spark ignition internal combustion engine forming stable stratified combustion, thereby preventing misfire and attaining satisfactory drivability even when ignition timing retard is performed in assoc...
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JP2007092635A |
To prevent the air-fuel mixture concentration around an electrode of a spark plug from becoming overrich in a high load area in a predetermined operation area becoming a low rotation/low load area.A part of a fuel spray from a fuel injec...
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JP2007092634A |
To properly enrich the periphery of an electrode at any time regardless of the size of an engine load in a predetermined operation area as a low rotation/low load area.A part of a fuel spray from a fuel injection valve 18 arranged in a p...
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JP3903604B2 |
To provide a cylinder direct injection type internal combustion engine superior in the ignitability and the output performance by the stratification of fuel. A fuel induction wall 6 which project toward a combustion chamber and of which ...
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JP3903657B2 |
To prevent the turbulence in the cylinder of the latter half of a compression stroke at a stratified charge combustion and also stir a fuel sufficiently in a suction stroke at the homogeneous combustion time and form a favorable homogene...
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JP3903567B2 |
To smoothly introduce a swirl stream swirling in the outer peripheral part of a cylinder into a bawl in order to diffuse fuel stagnating in the bawl. A convex part 21 having a shape corresponding to that of a cylinder side combustion cha...
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JP3903852B2 |
To provide a spark ignition type direct injection engine where injected fuel does not attach to a wall of a combustion chamber and which forms a proper fuel-air mixture at the time of a high-speed operation of an engine, and combustion e...
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JP3900072B2 |
To heighten improving effect of fuel consumption improvement by selecting lean combustion form in response to a load operating region of an engine, and to increase improving effect of the fuel consumption and emission by effectively perf...
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JP3900210B2 |
To provide an ignition device for an ultra-lean burn engine driven by liquid fuel in which rich mixture can be supplied around a spark gap of a spark plug under a state of not generating any poor ignition. A main injector 14 injects fuel...
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JP3900217B2 |
To improve durability by cooling heating parts, and hold an accurate air-fuel ratio. In an engine device for an outboard motor 3 provided with an injector 31 for directly injecting fuel into cylinders 4a, 4b of an engine 4 in which a cra...
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JP2007077822A |
To improve thermal efficiency by performing torch combustion from an auxiliary chamber 17 stably by avoiding pre-ignition.In an indirect injection internal combustion engine having a communication hole 19a establishing communication betw...
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JP3899824B2 |
To suppress worsening of exhaust properties due to the increase of an discharge amount of an unburnt component when a fuel injection form is switched from compression stroke injection to intake stroke injection. A fuel injection form for...
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JP3899575B2 |
To realize stable stratified lean charge combustion and improve combustion efficiency by satisfying a necessary condition of stratification of air-fuel mixture in a cylinder direct injection type internal combustion engine. A cylinder di...
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JP3896630B2 |
To provide a means to achieve heavy EGR during stratified charge combustion as distribution ability to EGR gas to respective cylinders is maintained, and improve combustion stability during the stratified charge combustion. In a cylinder...
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JP3896813B2 |
To provide a fuel injection device capable of discharging the vapor and high-pressure fuel in high-pressure fuel piping of a cylinder injection of fuel-type internal combustion engine, according to the necessity without equipping a speci...
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JP3893967B2 |
To solve the problem that an ignition delay period is too long and a fuel is too much distributed into a whole combustion chamber to increase the exhaust amount of unburnt HC when carrying out low-temperature premixture combustion, by lo...
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JP3894089B2 |
To improve fuel economy by lean combustion, especially on a low load side or during idling. In a pair of cylinders where an exhaust stroke and a suction stroke overlap, burned gas emitted from preceding cylinders 2A, 2D in the exhaust st...
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JP3890449B2 |
To perform stratified combustion through compression stroke injection for early activation of catalyst in cooling a machine, to improve stability of the combustion, and also to reduce HC emission. A direct injection spark ignition type i...
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JP3882630B2 |
To appropriately balance strength of a tumble flow formed in a combustion chamber and a pressure of a fuel spray injected from a fuel injection valve at the time of switching transition period of a combustion mode. The control device for...
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JP3885302B2 |
To increase a reduction factor NOx by a lean NOx catalyst by feeding HC to a lean NOx catalyst without worsening stability of an engine, in a cylinder direct fuel injection type spark ignition engine. In a direct injection type spark eng...
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JP2007040264A |
To provide an ignition control device adaptable to a change in ignition timing without causing the deterioration of an ignition coil.The ignition control device comprises the ignition coil 45 having a primary coil 45a to be connected to ...
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JP3881243B2 |
A multi-mode internal combustion engine and method of operating the engine is provided which is capable of operating in a variety of modes based on engine operating conditions to enhance fuel efficiency and reduce emissions. The multi-mo...
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JP3882454B2 |
To provide an internal combustion engine in which the operation area applicable of compression self-ignition combustion without significantly enhancing the compression ratio or using any special means such as intake air heating, and the ...
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