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JP4325829B2 |
Fuel pipe structure for fuel injection type engine. Purpose: A conventional fuel tube structure has a fuel tube end that also serves as a bracket to secure an injector in place. To install the end of the fuel tube that also serves as the...
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JP4325032B2 |
To provide a combustion control device for an internal combustion engine to suitably suppress the occurrence of an influence exercised by smoldering of an ignition plug. An engine 10 is switched according to its engine operation state be...
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JP2009191663A |
To provide a fuel injection control device of an internal combustion engine capable of securing excellent drivability, by exactly supplying a fuel quantity required for the internal combustion engine with each cylinder, by properly contr...
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JP2009191732A |
To sufficiently improve ignitability of air-fuel mixture by extending flying distance of plasma jet further in a plasma jet ignition internal combustion engine.This engine is provided with an ignition device 1 arranged around a cylinder ...
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JP2009185687A |
To improve ignition stability by maintaining an air-fuel ratio around a spark plug in a combustible state over a comparatively long time range when performing start by stratified combustion.A multi-hole injection valve simultaneously inj...
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JP4311300B2 |
To achieve both drastic delay of ignition timing and combustion stability, and to realize rise in exhaust gas temperature when an engine is cold and reduction in HC emission amount. In a warming up completion state where the temperature ...
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JP4306499B2 |
To enable injected fuel to be contained in a cavity even when fuel is injected at an early stage, resulting in enlargement of an operation region where stratified charge combustion can be effected, in a cylinder direct injection type eng...
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JP2009167878A |
To provide a gasoline engine improved in output by effectively utilizing two injectors and enhancing uniformity of air-fuel mixture in high loading, and stably operated even when stratified charge combustion or weak stratified charge com...
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JP4305124B2 |
To suppress the accumulation of deposits on the distal end of a fuel injection valve in a cylinder direct injection spark ignition type engine right after continuous high load operation. In the condition of low load operation right after...
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JP4291423B2 |
To perform effective stratified charge combustion by holding an thick mixed gas layer in a cavity while concentrating the thick mixed gas around a spark plug at a center of a combustion chamber in a spark ignition engine in which fuel is...
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JP4292024B2 |
Two-stroke motor (1), especially in a hand-held tool such as a power saw, brush cutter, etc. comprises a cylinder (2) containing a combustion chamber (3) defined by a reciprocating piston (5). The piston drives a crankshaft (7) rotatably...
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JP2009138617A |
To provide a suction device for internal combustion engine that can change a circumferential position of a shroud provided on a suction valve according to a lift amount of an air inlet valve.The suction device is applied to an internal c...
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JP4279398B2 |
An electronic control unit (40) for controlling an internal combustion engine drive executes a first operation mode for injecting a fuel in a suction stroke while making an air/fuel ratio feedback control, when a demand for improving out...
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JP4280928B2 |
In a direct-injection spark-ignition internal combustion engine having one injector per cylinder for injecting fuel into a combustion chamber, wherein the injector has an injection nozzle with a plurality of injection holes which are dis...
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JP2009127481A |
To provide a control device of an internal combustion engine capable of effectively restraining a generation quantity of nitrogen oxides.This control device (an electronic control device 1) of the internal combustion engine has a fuel in...
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JP4276955B2 |
A fuel injection system (1) for internal combustion engines comprises a fuel injection valve (10) that projects into a combustion chamber (2), whereby the combustion chamber (2) is delimited by a cylinder wall (3) and by a cylinder head ...
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JP4271769B2 |
To stabilize combustion under a low load operation by a tumble even when an air-fuel mixture is lean and increase output under a high load operation by enlarging a cross-sectional area of a duct of an inlet port. To a cylinder head 2 hav...
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JP4269825B2 |
A four-stroke cycle in-cylinder fuel injection internal combustion engine (1) comprises a fuel injector (8) which injects fuel directly into a combustion chamber (7), performs stratified charge combustion by means of compression stroke f...
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JP4258275B2 |
To provide a control device for an internal combustion engine capable of stably forming a rich fuel-air mixture around an ignition plug. In a control device for an internal combustion engine, when fuel F is injected to an intake port 4 a...
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JP4257520B2 |
To provide an internal combustion engine of in-cylinder injection type which can accomplish an intended compression ratio by controlling an increase in the capacity of a combustion chamber associated with formation of the cavity after co...
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JP4253613B2 |
An internal combustion engine includes an in-cylinder injector for injecting fuel into a combustion chamber of the engine and an intake system injector for injecting fuel into an intake system connected to the combustion chamber. In a st...
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JP4253426B2 |
A gasoline engine has an actuating system including an in-cylinder fuel injection system and an ignition system, capable of changing over combustion between spark ignition combustion and compression autoignition combustion, and a control...
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JP4253986B2 |
In steps S25 to S42, in order to activate an inactive catalyst earlier, the air-fuel ratio in a combustion chamber is set to be lambda APPROX 1 during a period T1 after engine start until catalyst light-off at around 50% HC purifying rat...
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JP4254504B2 |
To provide technology for changing the concentration distribution of EGR gas in cylinders of an internal combustion engine. The internal combustion engine comprises an exhaust gas introduction hole 15 for introducing only part of exhaust...
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JP4250838B2 |
To provide an exhaust emission control device for an internal combustion engine to which a catalyst device enabling stratified charge combustion and occulding NOX is connected, which device can reduce and remove NOX without deteriorating...
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JP4252090B2 |
The invention relates to a method of controlling a heat engine (30) comprising: a combustion chamber (31); fuel injection means (51); oxidant (41) intake means (34, 35); exhaust means (43, 44) for the exhaust gases (50); and recycling me...
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JP4244745B2 |
A control unit is used for controlling a direct fuel injection type internal combustion engine. The control unit controls a fuel injection valve to have a first fuel injection mode wherein a penetration force of an injected fuel sharply ...
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JP4244658B2 |
To effectively suppress excessive temperature rise of a catalyst due to cutting fuel. When a fuel injection amount qcal is less than the minimum permissible injection amount QIMIN during a suction stroke injection, the fuel injection met...
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JP4238682B2 |
To enable operation under high rotation high load conditions in a two cycle type internal combustion engine of premix compression self-ignition combustion system. At least three exhaust valves 132 opening and closing at least three exhau...
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JP4239584B2 |
To stably keep stratified charge combustion, even in crossing a boundary of neighboring operating areas as different in set condition of the stratified charge combustion. In a direct cylinder injection type spark ignition engine performi...
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JP2009047006A |
To provide an internal combustion engine capable of restraining reduction in ignitability to an air-fuel mixture.This internal combustion engine 1 has a spark plug 12 arranged in a cylinder combustion space 101 for burning the air-fuel m...
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JP2009030517A |
To provide a cylinder injection engine capable of surely intensifying tumble flow by fuel spray.This engine is provided with a plurality of spray injection valves 40C, 40S injecting fuel spray so as to intensify tumble flow in a combusti...
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JP2009030480A |
To provide a cylinder injection type internal combustion engine capable of preventing fuel from adhering on a piston cavity by a simple structure.This engine is provided with a plurality of intake valves 34 capable of opening and closing...
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JP4222204B2 |
To prevent smoldering of an ignition plug, in a direct injection internal combustion engine for directly injecting fuel in a combustion chamber, generating stratified air-fuel mixture around the ignition plug and performing stratified ch...
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JP2009024683A |
To improve combustion stability in ignition retard in cold-start, to increase in output under a full-open condition, to reduce smoke, and to prevent abrasion of a cylinder liner caused by oil dilution.A fuel inflow angle is determined by...
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JP4214586B2 |
To enable optimal variable control of the octane number of supplied fuel in accordance with an engine operation condition, and stabilize compression self-ignition combustion in all operation regions. In low-load operation, only low-octan...
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JP4207481B2 |
To achieve uniform combustion and stratified combustion by surely creating intake air swirling flow in a cylinder in an air intake stroke without causing intake air deficiency in the uniform combustion and preventing such a strong intake...
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JP4200356B2 |
To provide a fuel control device for a cylinder injection type internal combustion engine capable of maintaining combustion stability even to transitive increase of EGR quantity when valve overlap quantity is changed. This fuel control d...
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JP2008303803A |
To provide a cylinder injection type spark ignition internal combustion engine capable of forming an excellent stratified air-fuel mixture mass.This cylinder injection type spark ignition internal combustion engine 100 is characterized i...
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JP4196733B2 |
To provide a fuel injection timing control method for a cylinder direct injection CNG engine capable of minimizing a time in which an inoperable area is produced by injecting fuel in a compression stroke wherever possible. In this fuel i...
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JP4186814B2 |
To provide technology enabling surely starting a cylinder injection type internal combustion engine started by injecting fuel into a cylinder in a expansion stroke and burning the fuel. In start of the cylinder injection type internal co...
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JP4184796B2 |
The invention relates to a method for operating a spark ignition engine, especially a direct injection engine, which is capable of running lean and of stratified charging and which has an NOx storage-type catalytic converter mounted down...
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JP2008274829A |
To improve ignitability of fuel, in a compression ignition internal combustion engine.This fuel injection system of the compression ignition internal combustion engine has a fuel injection valve for directly injecting fuel into a cylinde...
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JP2008274827A |
To provide a fuel injection amount control device exerting emission improvement effect by generation of a swirl flow and suppressing deterioration in engine startability.The fuel injection amount in initial periods t2-t4 during cranking ...
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JP4180278B2 |
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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JP4178386B2 |
Combustion engine control unit has an arrangement for operating the engine in a pre-defined operating mode, and arrangement (32) for detecting piston knocking and an arrangement for preventing knocking by delaying sparking. Said knocking...
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JP4176158B2 |
An internal combustion engine in particular for a motor vehicle, which is equipped with an injection valve with which fuel can be injected either, in a first operating mode, during a compression phase or, in a second operating mode, duri...
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JP4175184B2 |
To smoothly switch the combustion of an internal combustion engine between a homogeneous combustion and an exhaust gas temperature rising stratified combustion in which fuel is injected in an intake stroke and a compression stroke with h...
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JP4170999B2 |
In a Diesel engine with variably actuated valves, the control cam (9) of each inlet valve (V I ) is shaped so as to provoke the opening of the respective inlet valve (V I ) during the engine's normal exhaust phase to accomplish "internal...
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JP4168716B2 |
To achieve maximum fuel consumption reduction while reducing exhaust emissions by forming stratified air-fuel mixture mass in a combustion chamber to maintain appropriate fuel consumption. A cylinder direct fuel injection type spark igni...
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