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JP6451318B2 |
A piston for a diesel internal combustion engine including a crown portion at least partially formed of steel and having a combustion surface with a combustion bowl formed therein is provided. The combustion bowl presents a combustion bo...
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JP6451780B2 |
A compression ignition engine includes: a naphtha injector 19 for supplying naphtha to a combustion chamber 14a; a diesel fuel injector 18 for supplying diesel fuel having a higher boiling point than naphtha; an ignition device 20 for as...
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JP2019002326A |
To reduce the engine cooling loss in a high compression ratio engine.A high compression ratio engine 1 has a combustion chamber 17 having a ceiling surface constituted by a lower surface 130 of a cylinder head 13, and an ignition device ...
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JP2019500538A |
The present invention includes at least one main combustion chamber (6) for fuel, a drive piston (10) that can be driven in the driving direction (15) by an expandable gas from the main combustion chamber (6), and an ignition device. Ant...
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JP2019002337A |
To suppress deterioration of knocking resistance, and also heat suctioned air in enhancing in-cylinder fluidization.As an operational region of an engine 1, a first region and a second region are set, wherein the second region is provide...
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JP6446973B2 |
A thermal insulation film is formed on a bottom surface of a cylinder head facing a top surface of a piston. The thermal insulation film in a region (a circumferential region) of a bottom surface of the cylinder head configuring a squish...
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JP2018204516A |
To provide an internal combustion engine capable of reducing the generation amount of soot at the time of combustion, by promoting the mixture of fuel and air in a combustion chamber.An internal combustion engine which is composed of a c...
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JP2018204485A |
To provide a cylinder head that inhibits heat of an injector from being excessively removed by a cylinder head, and also can inhibit the injector from corroding, and to provide an internal combustion engine.An cylinder head includes: a f...
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JP2018204545A |
To provide an internal combustion engine capable of reducing the generation amount of soot at the time of combustion, by promoting the mixture of fuel and air in a combustion chamber.An internal combustion engine which is composed of a c...
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JP6445322B2 |
To provide an internal combustion engine capable of controlling flame formed by combustion of air-fuel mixture in a combustion chamber.A piston 5 disposed so as to be reciprocable inside a cylinder 2 of an internal combustion engine 1 fo...
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JP6446085B2 |
A partition plate includes a main body and a plurality of protrusions. The main body is configured to be disposed in an intake passage of an engine partition the intake passage. The protrusions are provided at an end of the main body. Th...
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JP6443479B2 |
To improve a fuel consumption performance by suppressing the deceleration of a tumble flow in a spark ignition type internal combustion engine provided with a bulge in a top surface of a piston and a cavity corresponding to an ignition p...
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JP6443484B2 |
To perform proper HCCI combustion which is suppressed in a generation amount of soot and combustion noise in a wide load range, in a homogeneous charge compression ignition type engine.When an engine is operated in a first operation regi...
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JP6439818B2 |
To suppress combustion noise without deteriorating thermal efficiency unnecessarily.When an engine is operated in a first operation region in which a load is not smaller than a prescribed value, fuel is injected during an intake stroke o...
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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...
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JP6436220B1 |
To provide a premixed compression ignition type engine capable of reducing combustion noise while ensuring high thermal efficiency. A premixed compression ignition engine capable of self-igniting a mixture of fuel and air containing gaso...
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JP6435944B2 |
To optimize fuel economy and output performance irrespective of an engine model in an engine that includes a piston reciprocating in a cylinder bore, an intake valve and an exhaust valve.In the engine, a stroke/bore diameter ratio that i...
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JP6436219B1 |
To provide a premixed compression ignition type engine capable of reducing combustion noise while ensuring high thermal efficiency. In a premixed compression ignition type engine capable of self-igniting a mixture of gasoline-containing ...
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JP6436359B2 |
To provide a flow control device in a combustion chamber, which can reduce a cooling loss caused by a squish flow or a reverse squish flow in an engine with a squish area formed between the peripheral part of a piston top surface and the...
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JP6436149B2 |
To provide structure of an engine combustion chamber, allowing for reduction in cooling loss the of the engine combustion chamber.The structure of an engine combustion chamber comprises: a combustion chamber constituent member having a c...
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JP2018193909A |
To provide a multistage injection type diesel engine, machinery provided with the multi-stage injection type diesel engine and a control method of the multistage injection type diesel engine which not only provides improvement of thermal...
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JP6432788B2 |
The present invention relates to a combustion chamber structure of an engine configured to inject fuel in a predetermined operation range in a period from a second half of a compression stroke until a first half of an expansion stroke to...
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JP2018188978A |
To provide an internal combustion engine which can properly perform both homogeneous combustion and stratified charge combustion.In an internal combustion engine 1, a squish area is formed in a part of a combustion chamber 10 which is fo...
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JP6429082B2 |
To provide an atomization interference determination device capable of easily and accurately determining interference at the time of combustion among atomization of fuel injected into a cylinder of compression self-ignition type internal...
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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...
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JP6428715B2 |
Intake holes at the opposite ends are opened and closed by first intake valves. The middle intake hole is opened and closed by a second intake valve. A control device includes an intake variable valve device. First branch channels are co...
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JP6429081B2 |
To provide a combustion zone estimation device capable of flow easily and accurately estimating combustion zone of fuel injected into a cylinder of compression self-ignition type internal combustion engine while considering influence of ...
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JP6431311B2 |
A variable compression ratio engine may include a variable chamber housing communicated with a combustion chamber of the engine, a variable chamber piston slidably disposed within the variable chamber housing, forming a variable chamber ...
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JP6424851B2 |
To suppress the deterioration of a heat insulation film resulting from a temperature difference between a film surface and a film inner part, in an internal combustion engine in which the heat insulation film which is low in both a heat ...
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JP2018178891A |
To suppress the deterioration of combustion when performing control for activating an exhaust emission purification catalyst by superimposing a fuel injection period in an expansion stroke by an in-cylinder injection valve arranged in a ...
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JP2018178857A |
To reduce cooling loss after warming-up completion and improve a combustion effect, as well as accelerate warming-up during engine warming-up.A piston reciprocating inside a cylinder of an engine has: a plurality of first fuel injection ...
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JP2018178723A |
To provide an internal combustion engine control system for improving the ignitability of fuel in the case that a temperature in a combustion chamber is high, in a self-ignition combustion type internal combustion engine.An internal comb...
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JP6421802B2 |
To secure output torque of an engine and also suppress increase of in-cylinder pressure.A controller is applied to a premixed compression ignition type engine including: a fuel injection valve configured to inject fuel into a cylinder; a...
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JP2018172974A |
To efficiently burn air-fuel mixture of a main combustion chamber in an internal combustion engine having an auxiliary chamber.An internal combustion engine 1 has a main combustion chamber 12, an auxiliary chamber 24 arranged at a center...
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JP6418498B2 |
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JP6417585B2 |
To provide an internal combustion engine recirculated exhaust gas introduction device capable of saving manufacturing cost, preventing an output reduction at a time of full load operation, and yet ensuring stable combustion even if a lar...
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JP2018168802A |
To provide a control device for an internal combustion engine capable of sufficiently enhancing combustion improvement effect due to supply of ozone.An engine 10 includes a fuel injection valve 43 for supplying fuel into a cylinder 42, a...
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JP6413563B2 |
A controller (1) of an engine performing a premixed combustion operation and a diffusion combustion operation that are switchable in accordance with the traveling state of a vehicle, includes a detector (2) detecting a sudden-deceleratio...
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JP6413562B2 |
A controller (1) of an engine performing a premixed combustion operation and a diffusion combustion operation that are switchable in accordance with the traveling state of a vehicle, includes a detector (2) detecting a sudden-acceleratio...
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JP6414143B2 |
An electronic control unit (200) of an internal combustion engine (100) is configured to control the fuel injection valve (20) and to control a spark plug (16) if necessary such that fuel is combusted by pre-mixture compression ignition ...
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JP6412582B2 |
Methods are described for operating a two-stroke cycle, compression-ignition, opposed-piston engine using a self-igniting, low reactivity fuel which manages trapped temperature and trapped combustion residue within the combustion chamber...
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JP6405352B2 |
A piston of an internal combustion engine includes a crown surface, a first cavity, and a second cavity. The crown surface forms an internal wall surface of a combustion chamber. The first cavity is a depression provided in the crown sur...
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JP6407887B2 |
There are provided a porous material which is usable as a material of a heat insulating film excellent in heat insulating performance, and the heat insulating film. The porous material has, as a framework of a porous structure, ZrO 2 par...
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JP6409152B1 |
The porous ceramic particles (16) have a pair of main surfaces (161,162) parallel to each other. From one main surface (161) to the other main surface (162), the average porosity in the range 1/4 of the particle thickness (633), which is...
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JP6402749B2 |
A fuel injection control device divides an amount of fuel corresponding to an injection amount required for a single combustion into portions corresponding to multiple fuel injections, causes the direct injector (40) to inject the fuel i...
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JP6402753B2 |
To perform a more efficient reduction of occurrence of loss of cooling.An intake side and an exhaust side at a ceiling surface 80 of a combustion chamber 8 are provided with an intake side combustion chamber oblique surface 83 and an exh...
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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/...
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JP6399474B2 |
To provide a flow control device in a combustion chamber, which can reduce a cooling loss caused by a squish flow or a reverse squish flow in an engine with a squish area formed between the peripheral part of a piston top surface and the...
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JP6399552B2 |
To generate swirl flow in a combustion chamber by minimum remodeling while preventing increase in size, in an internal combustion engine in which operation axes of one intake valve and one exhaust valve are disposed on one virtual plane ...
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JP6399473B2 |
To provide a flow control device in a combustion chamber, which can reduce a cooling loss caused by a squish flow or a reverse squish flow in an engine with a squish area formed between the peripheral part of a piston top surface and the...
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