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Patent Searching and Data


Matches 251 - 300 out of 2,341

Document Document Title
JP6439989B2
To provide an intake passage flow control device capable of restricting eddy flow caused by tumble flow during a compression stroke, promoting an increasing in temperature of a cylinder-in gas during a compression stroke by controlling a...  
JP6431074B2
A combustion chamber construction for opposed-piston engines includes an elongated, bilaterally symmetrical shape referenced to a major axis and a pair of injection ports located on the major axis when the pistons are near respective top...  
JP2018155166A
To provide a control device of an internal combustion engine which includes a flow generation valve generating a flow of an air-fuel mixture flowing into a combustion chamber, and suppresses occurrence of a torque step caused by opening/...  
JP2018128001A
To suppress increase in temperature of intake air in an intake port, and to achieve smooth fuel vaporization in the intake port.An engine includes an intake port 3 and an exhaust port 4 connected to a combustion chamber 2 of the engine 1...  
JP2018128003A
To suppress increase in temperature of intake air in an intake port, and to achieve smooth fuel vaporization in the intake port.An engine 1 includes an intake port 3 and an exhaust port 4 connected to a combustion chamber 2 of the engine...  
JP2018119494A
To obtain a fuel injection property which can make compatible both a catalyst warmup operation mode and a stratification combustion operation mode, in an internal combustion engine comprising an injector having a plurality of injection h...  
JP6343176B2
The present invention is to prevent mixing of fresh air and an air-fuel mixture when a throttle valve is fully opened and increase a delivery ratio. A main nozzle (30) is surrounded by a tunnel-like air flow guiding member (52). The air ...  
JP6319170B2
A multicylinder engine includes a plurality of intake ports, a plurality of in-cylinder injectors, and an electronic control unit. The electronic control unit is configured to initially set a value of a control parameter of the multicyli...  
JP6249083B1
[Subject] A combustion noise is stopped small, realizing suitable homogeneous charge compression ignition combustion. [Means for Solution] Water injection system 24 which injects water is formed in combustion chamber 6. and -- while cont...  
JP6206364B2
An object is to enable stable diesel combustion in an internal combustion engine using a fuel having a relatively high self-ignition temperature. In the internal combustion engine, pre-injection and ignition of pre-spray fuel are perform...  
JP6206158B2
A control system for a spark-ignition internal combustion engine configured to produce tumble flow in a cylinder is provided. The spark-ignition internal combustion engine includes an ignition plug configured to ignite an air-fuel mixtur...  
JP6181012B2
To provide a novel fuel control device for a cylinder fuel injection type internal combustion engine in which it is possible to control the gas mixture in the exhaust-side region of a combustion chamber to a lean state and inhibit knocki...  
JP6171956B2
To reduce cooling loss on a wall surface of a combustion chamber.An engine 1 comprises: an engine body; an injector 33; and an engine controller 100 controlling an injection mode of the injector 33. The injector 33 is configured to be ab...  
JP6171958B2
To reduce generation of smoke while suppressing preignition.An engine 1 comprises: an engine body; an injector 33; and an engine controller 100. The engine controller 100 controls the injection 33 to perform front-stage injection 71 perf...  
JP6171959B2
A control device of a gasoline direct-injection engine is provided. The control device includes an engine body, an injector, and a controller. Within a high load operating range, the controller causes the injector to perform a pre-inject...  
JP6171957B2
To reduce cooling loss on a wall surface of a combustion chamber by a technique other than that for forming the wall surface of the combustion chamber of a heat insulating material.An engine 1 comprises: an engine body including a piston...  
JP6098536B2
To optimize the distribution of the fuel concentration of an air-fuel mixture layer depending on an engine operating state.An engine 1 comprises: an engine body; an injector 33; and a control unit (engine controller 100) controlling an i...  
JP6079814B2
An internal combustion engine where a tumble flow is generated inside a combustion chamber includes: a spark plug; an in-cylinder injection valve that injects fuel at a specific timing so that a fuel spray proceeds towards the vortex cen...  
JP2016205302A
To enable stratification combustion while maintaining a stratified state as long as possible.A combustion state control system of an internal combustion engine capable of executing stratification combustion includes: temperature adjustme...  
JP2016205231A
To provide an intake control device for an internal combustion engine capable of suppressing adhesion of condensate water to the periphery of an injection hole of an injector.An injector 5 of an internal combustion engine 1 injects fuel ...  
JP6032797B2  
JP6008796B2
To provide a control device for an internal combustion engine that can secure transition from spark ignition combustion to compression ignition combustion for stable combustion and that can maintain good exhaust characteristics.Fuel for ...  
JP6000594B2  
JP2016164402A
To provide an internal combustion engine that can improve a balance between strength of a tumble and spray penetration force deteriorated due to changes with time while effectively changing the spray penetration force in terms of recover...  
JP5984725B2
To suppress the collision and adherence of spray fuel on the rear face of an inlet valve when injecting the spray fuel by a port injection fuel injection device during the inlet stroke, and to allow the spray fuel to flow into a combusti...  
JP2016130495A
To provide an internal combustion engine capable of stably obtaining satisfactory stratified combustion.An ignition plug 16 is disposed at a center in an upper portion of a cylinder 12. A tumble flow 36 is generated within the cylinder 1...  
JP2016114001A
To maximally exhibit self-ignition suppression effects in a combustion chamber without introducing large amount of recirculation gas to intake air.A control device for an engine includes: a piston accommodated in a cylinder; an intake va...  
JP5889802B2
A compression ignition engine uses two or more fuel charges having two or more reactivities to control the timing and duration of combustion. In a preferred implementation, a lower-reactivity fuel charge is injected or otherwise introduc...  
JPWO2013183127A1
An object of the present invention is to provide a working gas circulation type engine capable of increasing the amount of condensed water produced in a condenser with respect to the working gas circulation type engine. In the stratified...  
JP5845817B2
In an internal combustion engine, a valve actuating mechanism actuates an intake valve member to open an intake port, and actuates an exhaust valve member to return a first part of exhaust gas with a high-temperature from a gas exhaust p...  
JP2015224564A
To provide an internal combustion engine combustion control unit capable of generating an air-fuel mixture with a higher degree of homogeneity, realizing stable, highly efficient combustion, and reducing NOx emission.A fuel is injected i...  
JP2015214963A
To improve energy saving and low pollution related to an internal combustion engine through lean and fine formation of injection fuel, an air mixing condition and a combustion chamber structure.This invention constitutes a lean fuel inje...  
JP5689830B2
The engine (10) has tumble-line section (31) that is connected with combustion chamber (20). The exhaust gas discharged from combustion chamber is returned into swirl-line section (32) and tumble-line section with different concentration...  
JP2015048793A
To reduce heat loss in an internal combustion engine, more specifically, provide a new heat loss reduction technique which achieves high reliability and durability.An internal combustion engine 1 includes: a cylinder head 5 where a combu...  
JP5609767B2  
JP5583370B2
A combustion system for a vehicle may include a piston (200) in which a first combustion recess (210) is formed in an upper end surface thereof, and at least one second combustion recess (215) is further formed at the bottom of the first...  
JP5537049B2
To provide a control method in a cylinder injection engine of a spray guide type operating while switching stratification combustion and homogeneous combustion, inhibiting the wall surface adhesion of fuel in a homogeneous combustion mod...  
JP5457095B2
To provide an HCCI (Homogeneous Charge Compression Ignition) gasoline engine that achieves slow combustion where a pressure increasing rate after ignition is low and combustion where generation of nitrogen dioxide is suppressed, by provi...  
JP5444793B2
To provide a stratified operation control device and a stratified operation control method for a variable compression ratio engine capable of forming an uniform stratified air-fuel mixture having a clear boundary face. The stratified ope...  
JP2013253484A
To provide an intake device capable of reducing exhaust of emissions.A first intake passage 11 for introducing fresh air to cylinders 1-4 of an engine and a second intake passage 21 for introducing exhaust gas or fresh air to the cylinde...  
JP5338429B2
To provide a cylinder-injection type spark-ignition internal combustion engine forming good stratified air fuel mixture by fuel injected from a fuel injection valve without requiring a cavity on a piston top surface. This cylinder-inject...  
JP5324236B2
To provide an intake device for an internal combustion engine having further improved fuel economy and exhaust gas performance without reducing the output of the internal combustion engine by controlling an intake air flow. The intake de...  
JP5316113B2
To reduce problems on generation of NOx and an increase in combustion noise by suppressing a sudden rise in cylinder temperature or cylinder pressure in a short time during self-ignition combustion while ensuring stable self-ignitability...  
JP5270127B2
To provide a technology for minimizing exhaust emission at cold time, in a system for controlling a spark ignition type internal combustion engine having a fuel injection valve for directly injecting fuel into a cylinder. This invention ...  
JP5257168B2
To provide an ignition control device for an internal combustion engine, efficiently improving an ignition property of a stratified air-fuel mixture. The ignition control device for the internal combustion engine 100 includes: a stratifi...  
JP5217932B2  
JP5216696B2
To solve the problems that fuel and air are separately supplied to a combustion chamber in a cylinder injection engine and distribution of the air-fuel mixture in the ignition timing is apt to be uneven compared to a port injection engin...  
JP5195383B2  
JPWO2011048673A1
The layered scavenging 2-cycle engine 10 is composed of an engine body 11, a carburetor 12 provided with a rotatable rotary valve 22 for switching the opening and closing of one intake passage, and an insulator 13 having heat insulating ...  
JP5148423B2
To reduce NOx by supply of EGR gas, and to restrain generation of soot in combustion gas, in a diesel engine with an EGR device. Supply air is turned by a means for turning the supply air in the specific direction in an air supply port 1...  

Matches 251 - 300 out of 2,341