Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 2,340

Document Document Title
JP4162189B2
To provide an exhaust gas recirculation system for improving an NOx reduction rate and for reducing engine oil consumption. A recirculation pipe (an EGR pipe 7) which a recirculation gas (an EGR gas) is passing through communicates with ...  
JP2008231931A
To maintain both warming up performance of a catalyst and stability of idle rotation while reducing exhaust emissions during catalyst warming up control for warming up the catalyst by delaying the ignition timing of an engine.In this con...  
JP4153667B2
To prevent the occurrence of acceleration failure and engine stop by avoiding fuel concentration from leaning due to excess of an air quantity to achieve normal combustion in sudden acceleration of the engine in the stratified scavenging...  
JP2008202483A
To compatibly materialize combustion stability and reduction of soot under a full open condition when ignition timing is retarded for raising exhaust gas temperature and reducing exhaust emission in cold start.An injector is provided wit...  
JP4145178B2
To materialize a control technique in a spark ignition engine 100 by which a mixed status of fuel/air mixture can be made appropriately with respect to each combustion while switching between stratified combustion and homogeneous combust...  
JP4134735B2
To improve combustion performance of an internal combustion engine during stratified charge combustion. During a compression stroke, stratified air-fuel mixture is produced by injecting fuel from a fuel injection valve 11 toward a cavity...  
JP4134736B2
To perform stratified charge combustion with high stability and high fuel economy under a light-load driving condition while performing stratified charge combustion in a heavy-load driving condition without having any matter of concern a...  
JP2008180108A
To take advantage of a merit of a premixed compression ignition internal combustion engine by reducing discharge amounts of a harmful exhaust gas (NOx) and soot.This combustion method and this combustion structure are used for injecting ...  
JP4126977B2
To provide a direct cylinder injection internal combustion engine allowing the formation of a relatively larger stratified mixture block with no lean mixture region left in a central portion. The direct cylinder injection internal combus...  
JP4126971B2
To perform the premixing compressive combustion of an internal combustion engine without knocking even under high load condition. A premixed air-fuel mixture is compressed and self-ignited in a low load area. The lean air-fuel mixture wh...  
JP4124027B2
To provide a cylinder direct injection CNG engine enabling the co-existence of a homogeneous combustion and a stratified combustion and a fuel injection control method for the device. This cylinder direct injection CNG engine 10 capable ...  
JP4122890B2
To stably form appropriate air fuel mixture in proximity of an ignition plug regardless of conditions of engine speed or the like. A cavity 12 is formed on an upper surface of a piston 4. A large diameter swirl flow flowing along a cylin...  
JP4120587B2
To form an air-fuel mixture layer excellent in ignitability around an ignition plug to stabilize combustion, in a cylinder injection internal combustion engine. A fuel injection valve 26 is arranged so as to directly inject fuel into a c...  
JP4103775B2
To generate good homogeneous fuel/air mixture without diluting engine oil, in a cylinder injection type spark ignition internal combustion engine for performing homogeneous combustion. The cylinder injection type spark ignition internal ...  
JP4103754B2
To improve ignitability, by securing its staying time long, by gathering an air-fuel mixture to the electrode vicinity of a spark plug in stratified combustion. This engine has the spark plug 16 arranged in a combustion chamber, and a fu...  
JP4099396B2
The invention relates to a method for at least temporarily increasing an exhaust gas temperature of a spark-ignition, direction injection internal combustion engine ( 10 ) involving at least one measure, which is executed by the engine, ...  
JP4100345B2
To prevent contraction of a spray of fuel so that at least a part of the fuel spray surely and directly reach a spark plug. A cylinder injection type spark ignition internal combustion engine has an inward opening type fuel injection val...  
JP4100401B2
An internal combustion engine 10 includes a fuel injection valve 37 for injecting a gasoline fuel into a combustion chamber 25, and a spark plug 35. When the internal combustion engine is operated in a light-load region, the fuel is inje...  
JP4100346B2
A system for controlling fuel injection in an engine. The engine includes an intake passage (15), an intake passage injector (18), a cylinder (11) having a combustion chamber (10), and a cylinder injector (17) for injecting a target amou...  
JP2008121607A
To provide a control device for an internal combustion engine capable of inhibiting mixing of intake air and exhaust gas when exhaust gas is introduced into a cylinder in addition to intake air.The control device for the internal combust...  
JP4092482B2
To reduce emission of unburned fuel during an engine cool down period by reducing fuel spray which interferes with intake valves 5A and 5B during intake stroke injection when injecting fuel from a fuel injection valve 7 placed beside a c...  
JP4092442B2
To suppress the generation of NOx in stratified combustion by advancing the opening timing of one of two intake valves more than the opening timing of the other intake valve, setting a phase difference in opening timing between both the ...  
JP4092561B2
To realize excellent ignitability by forming thick fuel spray by an injection pattern having thickness and thinness, then previously preventing direct transfer of the formed thick fuel spray to an ignition plug, and surely transferring t...  
JP4092489B2
To realize stable stratified burning even in the case that an engine temperature is lower than a predetermined value and fuel pressure is lower than a predetermined value. In this cylinder direct injection type spark ignition engine prov...  
JP4087064B2
There is provided a cylinder injection type internal combustion engine capable of performing stratified charge operation at the time of a vehicle speed of 120 km/h and/or an engine rotational speed of 3200 rpm to enhance the fuel efficie...  
JP4085944B2
To improve uniformization of an air-fuel mixture in uniform combustion, while maintaining iginitability by the mutual interference effect between fuel atomization in stratified combustion. This spark-ignition direct-injection engine has ...  
JP2008106737A
To suppress the occurrence of noise due to the self-ignition combustion of a premixture in a premixed compression selfignition gasoline engine in which the premixture is self-ignited by burning a flammable mixture near an ignition plug b...  
JP4083087B2
To obtain the optimum fuel spraying by changing spray penetration distance or spray particle diameter of fuel in accordance with an operation condition of a direct injection type engine to improve fuel combustion performance. This fuel i...  
JP4082277B2
To provide a cylinder direct injection CNG engine which implements both stratified combustion and homogeneous combustion in a simple composition. A CNG engine 10 switching between stratified combustion and homogeneous combustion in accor...  
JP4078894B2
To form a cloud of air-fuel mixture of appropriate ratio and size in a combustion chamber having a fixed volume piston cavity according to an operation condition of an engine. Momentum per unit time of spraying injected from a fuel injec...  
JP2008088920A
To provide a cylinder injection type spark ignition internal combustion engine having improved combustion efficiency in a low load operation region during stratified charge combustion while suppressing the occurrence of smoke with the tr...  
JP2008081087A
To provide the controller of a hybrid car for eliminating the sense of incompatibility of a crew by increasing an engine sound in the case of accelerating a vehicle.The controller of a hybrid car is provided with: an engine whose ignitio...  
JP2008075533A
To materialize HC reduction by early stage activation of a catalyst and after burn by great retardation of ignition timing and to avoid deterioration of HC in ultra retard combustion in a stage where oil and water temperature is low.The ...  
JP2008063971A
To provide a cylinder injection type spark ignition internal combustion engine capable of forming a strong airflow turning obliquely in a cylinder with a horizontal and a vertical turning velocity component, and maintaining turbulence ge...  
JP4061915B2  
JP4059140B2  
JP4059122B2
To provide a control device of a cylinder injection internal combustion engine for maintaining a superior combustion state regardless of a change in cylinder air current strength caused by a change with the lapse of time of deposition of...  
JP4059234B2
To provide a cylinder direct fuel injection internal combustion engine in which stable combustion can be performed. This internal combustion engine comprises an ignition means provided roughly at a center of an upper wall of a combustion...  
JP4061067B2
The invention relates to a control apparatus for a direct injection engine having an intake valve (6), an exhaust valve (7) and a fuel injection valve (8) for injecting fuel directly into a cylinder of the engine and in which fuel inject...  
JP4055321B2
To improve ignitability of an internal combustion engine, and realize spray suitable to reduce a delivery amount of unburnt gas component of combustion. In an outlet part of an injection hole disposed on a fuel injection valve, restricti...  
JP4055315B2
A fuel injection valve for injecting fuel is provided, wherein a fuel spray injected through a fuel injection hole (8) includes a first portion (80A) having a long spray reaching distance and a second portion (80) having a short spray re...  
JP4054223B2
The in-cylinder fuel injection engine is characterized in that fuel is injected into the combustion chamber in two directions. When the homogeneous charge combustion is performed, a first spray block of fuel is injected inside of the cav...  
JP4051261B2
To prevent deterioration in fuel economy by a rich spike to obtain a high exhaust emission control effect, while reducing pumping loss by stratified charge combustion to improve fuel economy. An opening/closing timing for an intake valve...  
JP4049669B2
An object of the present invention is to provide an cylinder injection type spark ignition engine capable of realizing stratified charge combustion with high robustness without resorting to a tumble produced in a combustion chamber. The ...  
JP4048937B2
To conduct a perfect stratified-charge combustion throughout a wide range of the engine load. The internal combustion engine includes a fuel-injection valve 11 for injecting fuel directly into a combustion chamber 1 formed above a piston...  
JP4045671B2
To reconcile the reduction of fuel adhesion onto the crown surface of a piston and the reduction of fuel spill over a bowl. A dish shaped bowl 21 having a roughly circular shaped opening part 21a, is recessed so as to be provided for the...  
JP4045844B2
The invention comprises at least two independent intake ports 14a, 14b connected to a combustion chamber 15, two intake valves 12a, 12b, and two exhaust valves 13a, 13b. Upper and lower channels 22a, 22b which are defined by a partition ...  
JP4047177B2
A fuel-injection system for internal combustion engines has at least one fuel injector injecting fuel into a combustion chamber, which is delimited by a cylinder wall in which a piston is guided. A spark plug projects into the combustion...  
JP4046824B2
A piston and piston ring assembly has a compression ring and a lubrication control ring. The compression ring substantially seals a combustion chamber from a crankcase chamber. The lubrication control ring is configured with a reverse-ta...  
JP2008025534A
To provide a premixed compression self-ignition internal combustion engine capable of preventing deterioration of thermal efficiency by keeping the inside of a combustion chamber at a high temperature while restraining combustion noise w...  

Matches 451 - 500 out of 2,340