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JP2022012438A |
To provide a combustion chamber structure of an engine capable of suppressing the occurrence of smoke due to fuel leakage from an injector.A combustion chamber structure of an engine comprises: a cylinder; a piston 5; a cylinder head wit...
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JP2022007388A |
To distribute radicals at a side wall surface of a cylinder before igniting an air-fuel mixture.A control device executes processing that includes: a step (S102) of setting ignition timing while an internal combustion engine is in operat...
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JP2022001745A |
To provide an igniter of an internal combustion engine capable of improving combustion efficiency.An igniter 10 of an internal combustion engine comprises a spark plug 1 having an auxiliary combustion chamber 50 in which a discharge gap ...
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JP6988382B2 |
To provide a control device for an internal combustion engine enabling an air-fuel mixture having an intended air-fuel ratio to be present in the vicinity of an ignition plug at ignition timing.A control device (40) is applied to an inte...
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JP6980319B2 |
An apparatus for cleaning a surface of an optical window includes a first electrode that is provided inside the optical window and is covered with a dielectric material forming the optical window. A second electrode is provided around th...
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JP2021188618A |
To provide a piston discharge structure for a plasma cloud excitation homogeneous uniform combustion engine.A piston discharge mechanism comprises a movable electrode, a distributed multi-cavity structure combustion chamber, a fixed elec...
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JP2021188528A |
To suppress the discharge of soot.An internal combustion engine 1 includes a cylinder 3, a combustion chamber 6 defined by a cylinder head 4 and a piston 2, and an injector 7 arranged at the center in the radial direction of the combusti...
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JP2021188529A |
To provide a diesel engine capable of performing an air injection advantageous to improving fuel efficiency and curbing soot.A diesel engine 1 comprises: a combustion chamber 6 formed inside a cylinder 3; a fuel injector 7 which injects ...
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JP2021188588A |
To generate a strong tumble flow in a combustion chamber.An engine 10 which is provided with a combustion chamber 20 has: a cylinder head with an intake port 21 communicated with the combustion chamber 20 formed thereon; an intake valve ...
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JP2021181765A |
To reduce generation of black smoke and reduce a fuel consumption rate.A piston for a diesel engine includes a bottom portion having the deepest combustion chamber bottom in a combustion chamber, a peripheral protrusion that is provided ...
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JP6969526B2 |
To provide a premixed compression ignition engine capable of enhancing its fuel consumption performance while holding combustion noise down to an appropriate level.The premixed compression ignition engine includes an injector 15 for inje...
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JP6969525B2 |
To provide a premixed compression ignition engine for enhancing its fuel consumption performance while holding combustion noise down to an approximate level.The premixed compression ignition engine includes an injector 15 for injecting f...
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JP2021179175A |
To suppress lowering of moving speed of a flame on a crown surface of a piston when a mirror-finished region is formed on the crown surface.A spark ignition type internal combustion engine includes a cylinder head and a piston. A crown s...
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JP6965215B2 |
To provide a wave gear speed reducer in which control for holding a phase is facilitated by reducing an influence of an external force from an output shaft side.The wave gear speed reducer comprises: a rigid inner gear 27 having a plural...
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JP6965853B2 |
To provide a premixed compression ignition engine for sufficiently increasing a combustion speed while holding combustion noise down to an appropriate level.The premixed compression ignition engine includes an injector for injecting fuel...
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JP6962241B2 |
To improve the acceleration response by reducing the pumping loss during acceleration in an engine equipped with an electric supercharger and a turbocharger.When an engine is operated in a predetermined low load area, a first EGR valve i...
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JP6960264B2 |
To properly secure ignitability with an ignition plug and contribute to stable combustion.An engine includes an ignition plug 6 and a fuel injection valve. The engine imparts kinetic momentum to a mixture in the vicinity of a plug gap G ...
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JP2021175876A |
To provide a spark-ignition engine capable of increasing heat efficiency.The spark-ignition engine comprises: a cylinder part in which a combustion chamber is formed; a piston part; a crankshaft; only one exhaust port; only one single ce...
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JP6958490B2 |
An internal combustion engine 1 has a plurality of cylinders 13 and a transmission 80 is arranged adjoining the engine. If designating an average of a height of a combustion chamber 15 in a region inside from a virtual cylindrical surfac...
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JP6958430B2 |
To provide an internal combustion engine which can generate a strong tumble flow.An internal combustion engine comprises: a cylinder head; an intake port connected to the cylinder head, and opened and closed by an intake valve; and an ex...
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JP2021173267A |
To provide an internal combustion engine which reliably diffuses a fuel injected to a combustion chamber to achieve good combustion.An internal combustion engine has: a piston 4 housed in a cylinder 3 in a manner that the piston 4 can re...
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JP2021173213A |
To suppress an increase in temperature of valves that may become an occurrence factor of pre-ignition while reducing a cooling loss.A combustion chamber structure of an engine comprises a combustion chamber 6 partitioned by a cylinder bl...
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JP2021173214A |
To suppress an increase in temperature of valves that may become an occurrence factor of pre-ignition while reducing a cooling loss.A combustion chamber structure of an engine comprises a combustion chamber 6 partitioned by a cylinder bl...
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JP2021173172A |
To provide an engine which can make compatible both the promotion of the flame propagation of quick combustion using an ignition plug, and the prevention of the self-ignition of an air-fuel mixture existing in a region apart from the ign...
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JP2021173199A |
To reduce PN generated in an internal combustion engine.In an internal combustion engine 1, fuel is injected into a combustion chamber 4 from a fuel injection valve 9 in a compression stroke during cooling of the internal combustion engi...
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JP2021169770A |
To provide a spark ignition type engine unit which achieves improvement of design flexibility of distribution of an exhaust gas in a combustion chamber, and to provide a vehicle.A spark ignition type engine unit includes a cylinder part,...
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JP2021528594A |
According to one or more embodiments, the internal combustion engine passes the first fuel and the second fuel through the combustion chamber of the engine cylinder to form a fuel mixture and burns the fuel mixture with a spark plug. It ...
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JP2021167573A |
To provide a spark ignition type two-cycle valve engine capable of improving heat efficiency.A spark ignition type two-cycle valve engine is equipped with a piston portion, a crank shaft, only one exhaust port, only one single center tum...
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JP6946944B2 |
To provide a combustion chamber of an internal combustion engine which has a valve recess, a bulge portion, and a bowl portion on a top surface of a piston, can easily improve a combustion property of mixture, and can easily reduce a coo...
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JP6950622B2 |
To provide a method of designing a control logic of a compression ignition type engine.A control part of an engine 1 outputs a signal to each of a fuel injection part and a variable valve mechanism to make a G/F leaner than a theoretical...
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JP6946977B2 |
The variable compression device (A) includes: a piston rod (6) whose end portion is provided with a flange (6c); a fluid chamber (R3) that causes the piston rod to be moved in a direction in which a compression ratio is increased by a pr...
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JP2021161978A |
To suppress an increase in temperature of valves that may become an occurrence factor of pre-ignition while reducing a cooling loss.A combustion chamber structure of an engine comprises a combustion chamber 6 partitioned by a cylinder bl...
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JP2021156193A |
To provide an internal combustion engine for promoting the mixture of fuel and air in a cylinder of an internal combustion engine.In an internal combustion engine 1 having a cylinder 2, a piston 3 in which a cavity 5 is formed at an uppe...
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JP6945356B2 |
Combustion stability can be improved while HC and PN discharged from a combustion chamber are prevented. In an ECU that controls a fuel injection device installed in a combustion chamber of an internal-combustion engine so as to be able ...
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JP6943228B2 |
To provide a premixed compression ignition engine for sufficiently increasing a combustion speed while holding combustion noise down to an appropriate level.The premixed compression ignition engine includes an injector for injecting fuel...
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JP6943229B2 |
To provide a premixed compression ignition engine for sufficiently increasing a combustion speed while holding combustion noise down to an appropriate level.The premixed compression ignition engine includes an injector for injecting fuel...
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JP2021148083A |
To suppress adhesion of fuel to a convex part while maintaining the same effect as when fuel spray interferes with the convex part.A direct injection internal combustion engine comprises: a cavity 4 provided on a top surface 3 of a pisto...
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JP2021148124A |
To provide a fuel injection device for a spark-ignition injection engine, in particular, easy in manufacturing and economical, without being troubled by disadvantages of a conventional device, and a control method thereof.A fuel injectio...
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JP2021143630A |
To provide a combustion control device which can reduce smoke while suppressing the deterioration of combustion noise even if a swirl in a combustion chamber is strengthened by a swirl control part.A combustion control device 100 compris...
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JP2021143629A |
To provide an internal combustion engine which comprises a water injection device for injecting water to the inside of a cylinder, injects water according to an operation state, efficiently cools the inside of the cylinder, and can perfo...
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JP6935783B2 |
The invention is provided with an ignition control section (103) and an injection control section (102). When partial compression ignition combustion is carried out, the ignition control section (103) causes an ignition plug to carry out...
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JP2021134665A |
To provide a three-cylinder internal combustion engine which can appropriately halt fuel injection and ignition combustion to improve fuel consumption performance, while suppressing vibration.A three-cylinder horizontal opposed internal ...
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JP2021124071A |
To provide a control device of an internal combustion engine which enables stable spark auxiliary compression ignition combustion to be performed at a low cost by using an existing constitution.In an internal combustion engine performing...
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JP6927057B2 |
A porous alumina layer with a sealer (i.e., a coating layer) is formed on a top surface or a piston (i.e., a second cavity surface and a second squish surface) and a surface of a bottom surface of a cylinder which forms a cavity area CA ...
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JP6921702B2 |
To prevent fuel adhesion to a cylinder inner wall surface from increasing caused by acceleration of fuel spray due to tumble flow in cranking.In a cranking, in order to perform stratified charge combustion, fuel necessary for cycle is in...
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JP6920826B2 |
To provide an internal combustion engine capable of restraining soot.An internal combustion engine 1 comprises a piston 10 provided with a combustion chamber 10a opened on a top face side at a top face 11 of the piston, and an injector 4...
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JP6923326B2 |
To suppress attachment of a fuel to an inner wall of a combustion chamber in an internal combustion engine.In an internal combustion engine including a cylinder head 15, a cylinder 13, an intake port 30 formed on the cylinder head 15 for...
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JP2021119297A |
To provide an internal combustion engine that, by smoothly forming a tumble vortex flow without hindrance to scavenge an auxiliary combustion chamber, can increase filling efficiency of an air-fuel mixture to improve ignitability, increa...
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JP2021113505A |
To suppress generation of fuel that does not contribute to combustion in an engine having a piston with a top face on which a layer composed of porous alumina is formed while utilizing swing property of the layer.A piston includes a top ...
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JP6900932B2 |
An internal combustion engine includes a plurality of cylinders, and these cylinders are divided into a first group where the air-fuel mixture is burned in the entire operating region and a second group where the air-fuel mixture is not ...
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