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JP6327180B2 |
With regard to an internal combustion engine having a tumble flow formed in a cylinder, an object of the invention is to intensify the tumble flow. There is provided an internal combustion engine having a pent-roof type combustion chambe...
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JP6328289B1 |
To provide a control device for an internal combustion engine capable of making the air-fuel mixture in a cylinder more homogeneous by performing fuel injection aiming at suppressing deflection and uneven distribution. Each cylinder is p...
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JP6323683B2 |
A control system of an engine is provided, which controls, by using a tumble flow, a behavior of fuel that is directly injected into a combustion chamber formed inside a cylinder of the engine. The control system includes a fuel injector...
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JP6323686B2 |
Provided is a control device of an engine that can certainly suppress and avoid pre-ignition. A control device of an engine is an engine control device for controlling the behavior of fuel that is directly injected into a combustion cham...
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JP2018071474A |
To provide an internal combustion engine that suppresses generation of a pollution substance and improves durability of a piston.An engine 1 includes: a piston 20 reciprocating inside a cylinder 10; and an injection nozzle 52 for injecti...
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JP6320882B2 |
A variable combustion system for an internal combustion engine, which suppresses mechanical compression ratio change control by a variable mechanical compression ratio control mechanism and carries out internal EGR amount change control ...
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JP6320873B2 |
To provide a dual fuel engine which operates while changing over between a dual combustion mode using main fuel in combination with supplementary fuel and an independent combustion mode using only supplementary fuel, and in which overhea...
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JP6312242B2 |
To provide an internal combustion engine capable of effectively mixing oxygen into fuel spray even if the interior of a combustion chamber is in low oxygen concentration atmosphere and thereby reducing the emission of black smoke and HC,...
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JP6311739B2 |
A PCM (100) selects one of a CI mode or an SI mode based on the operating conditions of the engine (1). In the CI mode, the engine (1) is operated by compression ignition combustion. In the SI mode, the engine (1) is operated by spark ig...
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JP6311654B2 |
To provide a piston structure capable of suppressing heat transfer from a crown surface of a piston to the neighborhood of a piston ring through a base material of the piston.A piston 3 includes a pair of boss portions 33 disposed at a r...
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JP6304351B1 |
To provide a diesel engine capable of improving fluidity in a cavity and promoting mixing with air even with a spray having a low penetration. A diesel engine is provided in a cylinder 12, a cylinder head 14, a fuel injection valve 17, a...
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JP6303290B2 |
To stably obtain the dispersion of fuel between a squish area side and a cavity combustion chamber 5 side.A lip part 12 having a reentrant-type cavity combustion chamber 5 at the center of a piston 1 and becoming the smallest in diameter...
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JP6304352B1 |
To provide a diesel engine capable of improving fluidity in a cavity and promoting mixing with air even with a spray having a low penetration. A diesel engine can accept a cylinder 12a, a cylinder head 14, a fuel injection valve 17 capab...
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JP6299819B2 |
A fuel injection valve is caused to inject fuel in a latter half of a compression stroke in such a manner that a fuel concentration immediately before start of combustion is higher in a middle portion of a combustion chamber than in an o...
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JP6296429B2 |
To provide a control device of an engine capable of stably executing CI combustion by keeping a temperature in a combustion chamber even when engine load is low.In a control device of an engine for switching a combustion system of a fuel...
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JP2018040263A |
To suppress combustion noise when performing ignition assist self-ignition combustion.A control device 200 for an internal combustion engine 100 includes a combustion control section for controlling a fuel injection valve 20 and ignition...
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JP2018040264A |
To generate an intended time difference of compression self-ignition timing of pre-mixed air fuel mixture and thus disperse heat generation timing.A control device 200 for an internal combustion engine 100 includes: a combustion control ...
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JP2018040253A |
To effectively inhibit occurrence of knocking by a simple structure without an increase in weight of a piston.An engine 1 includes: a cylinder block 3 formed with a cylinder bore 2; a cylinder head 4 connected to one end face in a cylind...
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JP6292408B2 |
A control device of an engine is provided. The engine is operated at a high compression ratio, a geometric compression ratio of the engine being 14:1 or higher. The control device includes a fuel injection controller for controlling a fu...
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JP6294730B2 |
An engine includes a cylinder, a ceiling section, a guide wall, a recess. The guide wall is provided in the ceiling section of a combustion chamber and is connected to openings of the intake/exhaust port. The recess provided in a portion...
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JP6286648B2 |
Self-cooled engine including a cylinder, a cylinder head and a turbo-piston which freely reciprocates inside the cylinder. The cylinder head has a valve that achieves circumferential suction of air-fuel mixture into the cylinder. The val...
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JP2018031317A |
To suppress bridging between a valve and a cylinder head caused by a film formation material when forming a heat insulation film at the cylinder head and the valve in a state that the valve is attached into a valve hole which is formed a...
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JP6284141B2 |
To effectively control ignition timing and a pressure buildup rate of an HCCI engine depending on each operation state by means of a low-cost device.A non-thermal equilibrium plasma generator 2 provided in a gas mixture supply system up ...
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JP6281551B2 |
An object of the present invention is to, while forming a heat insulating layer on a squish area surface of a top surface of a piston main body, prevent generation of large cracks on the heat insulating layer and suppress damages and pee...
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JP6281589B2 |
To properly suppress degradation of combustibility and lowering of an engine output caused by accidental fire even when accidental fire occurs at some ignition plugs among a plurality of ignition plugs 19A, 19B, in a control device of a ...
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JP2018025164A |
To provide a piston for an internal combustion engine that can facilitate manufacturing thereof.A piston includes a body and a low-heat conductive layer. The body contains an aluminum alloy and includes a piston head and a piston skirt. ...
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JP2018021540A |
To provide a combustion chamber of a four-cycle engine where combustion at an air-fuel mixture portion facing an exhaust valve is hard to cause knocking.A multi-valve type combustion chamber is configured such that a squish area space 8,...
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JP2018021482A |
To suppress the deterioration of exhaust emission at the changeover of a combustion state.A control device 200 of an internal combustion engine 100 comprises a transition time setting control unit which sets an operation mode to one of a...
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JP6268861B2 |
A control device of a compression-ignition engine is provided. The control device includes the engine having a cylinder, an exhaust gas recirculation system for introducing exhaust gas into the cylinder, and a controller for operating th...
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JP6268863B2 |
To provide a control device for a compression ignition type engine which switches into compression ignition combustion or forced firing combustion depending on an engine load, for enabling a continuous change of an EGR rate in a region w...
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JP6268862B2 |
To surely secure combustion stability immediately after a combustion state is switched to forcible ignition combustion from compression ignition combustion due to an increase of an engine load, in a compression ignition type engine which...
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JP6268864B2 |
A control device of a compression-ignition engine is provided. The device includes an engine having a cylinder, a fuel injection valve for injecting a fuel, an exhaust valve mechanism for switching an operation mode of an exhaust valve b...
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JP6264422B1 |
[Subject] Control of a combustion noise and reservation of combustion stability are made to make compatible in a homogeneous charge compression ignition type engine. [Means for Solution] A control device of a homogeneous charge compressi...
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JP6264882B2 |
A combustion chamber structure for a spark-ignition internal combustion engine includes a combustion chamber, an ignition plug, and a guide portion. The combustion chamber is configured to produce tumble flow that swirls in an axial dire...
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JP6260523B2 |
To prevent the increase of a cooling loss due to a squish flow.A cylinder head 13 has a ceiling portion 170 including an intake air side inclined surface 171 and an exhaust side inclined surface 172 coupled by a trough portion 173. A pis...
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JP6261659B2 |
A rotating piston internal combustion engine including a housing which includes a housing wall that forms an operating chamber, and in which housing a rotatable rotating piston is arranged which extends through the operating chamber and ...
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JP6260795B2 |
A fuel control system of an engine is provided which controls, by using a tumble flow, a behavior of fuel directly injected into a combustion chamber formed inside a cylinder of the engine. The fuel control system includes a fuel injecto...
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JP2018003751A |
To take measures against increase of a distance between a spray outline face and an electrode portion when activation control of an exhaust emission control catalyst is performed with an engine constitution in which a part of fuel spray ...
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JP2018003753A |
To stabilize combustion when performing ignition in an expansion stroke for the warmup of a catalyst.A control device of an internal combustion engine controls an injector 30 so as to inject a part of fuel during an expansion stroke, and...
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JP6252660B1 |
[Subject] In an engine which has a supercharger, 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 ...
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JP6252510B2 |
To provide a control device for an internal combustion engine that enables good stratified combustion even when twin eddies are generated.In a spark ignition type internal combustion engine for performing stratified combustion by injecti...
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JP2017223131A |
To ignite a fuel-air mixture and stably form a flame even when a fuel-air mixture flow varies inside a combustion chamber of an internal combustion engine.An internal combustion engine 100 includes: an ignition plug 10 having a center el...
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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...
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JP6248579B2 |
A gasoline direct-injection engine is provided. The engine causes a self-ignition of a fuel injected into a cylinder by an injector and at least containing gasoline. The engine includes a controller for controlling the fuel injection by ...
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JP6249281B2 |
To provide a compression ignition type internal combustion engine capable of preventing knocking caused by multipoint simultaneous ignition.A compression ignition type internal combustion engine of this invention for compressing and spon...
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JP6249084B1 |
[Subject] A homogeneous charge compression ignition type engine which can stop a combustion noise small is provided realizing suitable homogeneous charge compression ignition combustion. [Means for Solution] After fuel-air mixture G1 of ...
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JP6248542B2 |
To provide a control device for a compression ignition type engine which performs compression ignition combustion in a predetermined region, for avoiding combustion noises in a high-speed side region out of the region where the compressi...
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JP2017218902A |
To provide a combustion chamber structure of direct-injection diesel engine capable of reducing an in-cylinder maximum pressure while restricting deterioration of fuel consumption.This invention relates to a combustion chamber structure ...
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JP6244881B2 |
To obtain stable compression self-ignition combustion at a restart of combustion after a fuel cut.A fuel injection device 15 which can inject fuel is arranged in a combustion chamber 11 formed in a cylinder 10. When restarting combustion...
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JP6247295B2 |
A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber 4 being defined in part by the piston. The engine has a rotary valve (5) rotatable with a...
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