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JP2018150908A |
To provide a combustion chamber structure for diesel engine capable of increasing its compression ratio while suppressing the worsening of a combustion state, and to provide a piston.A combustion chamber structure 50 for diesel engine, w...
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JP2018150906A |
To provide a combustion chamber structure for diesel engine capable of increasing its compression ratio and improving its combustion state.A combustion chamber structure 50 for diesel engine, which has a plurality of ribs 60 provided ran...
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JP2018150907A |
To provide a combustion chamber structure for diesel engine capable of increasing its compression ratio and improving its combustion state.A combustion chamber structure 50 for diesel engine, which has a plurality of ribs 60 provided ran...
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JP2018150905A |
To further reduce a thermal loss.A compression ignition type internal combustion engine 1 comprises a fuel injection valve 12 which is arranged substantially in a center of a combustion chamber 5 in a radial direction defined by an inner...
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JP6395117B2 |
To provide a control device of an engine capable of improving burned gas discharging efficiency in an exhaust stroke to increase an introduction amount of fresh air in a following intake stroke.A control device of an engine provided with...
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JP6392232B2 |
An internal combustion engine 20 includes a combustion chamber 26, a fuel injector 31 injecting fuel into the combustion chamber 26, a cylinder 22, a piston 24 having a crown and reciprocating in the cylinder 22, the crown being exposed ...
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JP2018141435A |
To provide an intake port structure which can intensify a swirl flow by generating the swirl flow in addition to a tumble flow.An intake port structure comprises a pair of branch ports which are bifurcated at least at a downstream side c...
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JP2018141446A |
To provide an intake structure of an internal combustion engine, which can generate a tumble flow and a reverse tumble flow to achieve satisfactory combustion, without adopting such a configuration of providing a projection part in a com...
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JP2018141391A |
To reliably cut off a tumble flow at the end of a compression stroke, to atomize fuel and improve uniform miscibility.In an intake side area of a trapezoidal conical recess part 7 in a cylinder head 6, a plasma actuator 13 is arranged, a...
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JP6380917B2 |
To provide a control device of an engine capable improving efficiency in compression self combustion by properly controlling an amount of fresh air in the control device of the engine implementing compression self combustion.A control de...
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JP2018127900A |
To suppress emission of unburned hydrocarbon when an engine is cold.An engine 100 includes a cylinder 10, a piston 13 and a cylinder head 20. The cylinder head 20 includes: an intake port 21 for introducing air or an air-fuel mixture to ...
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JP2018127972A |
To provide a piston for an internal combustion engine which achieves improvement of heat efficiency and reduction of emission and prevents overheating of the piston to prevent occurrence of knocking and preignition and deterioration of a...
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JP2018123704A |
To restrain combustion noises when an engine load is comparatively high.An internal combustion engine comprises a fuel injection valve, a spark plug, a piston having a cavity on a top face, and a control device. The fuel injection valve ...
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JP2018123688A |
To thicken a heat shielding film of a piston top surface while suppressing rise in temperature of the piston top surface.An engine combustion chamber structure includes: a heat shielding film formed at a piston top surface; and a guide p...
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JP6371942B1 |
To improve knocking resistance of a spark-ignition 4-cycle engine. Along the inner circumference 1 of a cylinder, a fourth bottom surface 12 of a first intake valve, a first bottom surface 9 of a first exhaust valve, a first spark plug 4...
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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...
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JP2018119468A |
To create a proper clearance between a piston upper surface and a cylinder head bottom surface of an internal combustion engine.An internal combustion engine includes: a cylinder head; a piston having an upper surface facing a bottom sur...
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JP6365616B2 |
To compatibly suppress combustion noise and secure combustion stability by delaying a timing for compressing and igniting air-fuel mixture on the outer periphery side of a combustion chamber.A premixed compression-ignition type engine sy...
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JP6365611B2 |
To provide a combustion chamber structure of an engine capable of generating tumble flow largely circulated in a combustion chamber regardless of an inclination angle of an exhaust port-side inclined face, and realizing excellent combust...
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JP6365382B2 |
An object of the invention is to provide an internal combustion engine that suppresses a blow-by phenomenon in an overlap period, while allowing for formation of a favorable swirl flow in a combustion chamber. In the internal combustion ...
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JP6365617B2 |
To compatibly suppress combustion noise and secure combustion stability by accurately delaying a timing for compressing and igniting air-fuel mixture on the outer periphery side of a combustion chamber.On each of a crown surface (75) of ...
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JP2018115604A |
To provide a combustion chamber structure allowing for further improvement in fuel economy than conventional one by equalizing fuel concentration in a fuel spray to the utmost range so that fuel concentration distribution in the fuel spr...
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JP2018115608A |
To provide an engine capable of expanding an operation region in which homogeneous-charge compression ignition (HCCI) combustion is established while avoiding mixing of water in lubrication oil.A homogeneous-charge compression two-stroke...
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JP2018115625A |
To suppress a reduction in combustion noise during transition time for switching when a combustion form is switched between premixing combustion and diffusion combustion.A control device includes an injection control section for controll...
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JP2018115605A |
To provide a combustion chamber structure allowing for further improvement in fuel economy than conventional one by devising the shape of a protrusion thereby generating strong swirl flow, and equalizing fuel concentration in a fuel spra...
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JP6361538B2 |
To fall a compression ratio within a predetermined range while suppressing deterioration of heat shielding property, in an engine with a heat shield film.A heat shield film is formed in a combustion chamber formation part 10 of a cylinde...
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JP6362334B2 |
Provided is an ammonia engine that can have increased combustion efficiency. The ammonia engine, in which liquid ammonia is supplied into a combustion chamber (11a) of a cylinder (11) as fuel, is provided with: a hydrogen gas generation ...
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JP6360505B2 |
To provide an internal combustion engine capable of controlling a direction of a gas flow flowing into a combustion engine, without changing a passage cross-sectional area, and improving combustion efficiency.In an internal combustion en...
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JP2018105162A |
To provide an internal combustion engine control device capable of realizing a stable diffuse combustion by avoiding rapid combustion while assuring ignitability at the time of compression ignition.ECU 16 includes an injection command pa...
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JP2018105237A |
To provide a fuel injector capable of suppressing increase of cooling loss resulting from formation of a heat insulation part.A fuel injector 10 is applied to an internal combustion engine 1 that includes a piston 13 having an anodic oxi...
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JP6350973B2 |
To provide a control device of an engine capable of surely introducing a burned gas to a combustion chamber even in supercharging by a supercharger in high load, while reducing cooling loss.A control device of an engine 1 has VVL, VVT fo...
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JP6350427B2 |
A control apparatus of a premixed charge compression ignition engine that includes an engine body having a cylinder and intake and exhaust passages, and causes a mixture gas to self-ignite inside the cylinder is provided. The apparatus i...
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JP6350426B2 |
A control apparatus of a premixed charge compression ignition engine that includes an engine body having a cylinder and causes a mixture gas containing fuel and air to self-ignite inside the cylinder is provided. The apparatus includes a...
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JP6350449B2 |
To provide an engine combustion chamber structure that can effectively improve heat efficiency of an engine.The engine combustion chamber structure includes a combustion chamber component member that forms a combustion chamber of the eng...
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JP2018100620A |
To suppress a bias of fuel in a combustion chamber.A control device for an engine includes an intake port 3 and an exhaust port 4 connected to a combustion chamber 2 of an engine 1, a fuel injection valve 10 arranged in the intake port 3...
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JP6344456B2 |
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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JP6344455B2 |
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 comprises: a combustion chamber constituent member having a combustio...
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JP2018091278A |
To provide a fuel supply device for an internal combustion engine driven by at least two kinds of fuels which can avoid confusion in injection of fuels while simplifying the structure.A fuel supply device 100 includes a fuel tank 2 which...
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JP6340752B2 |
Provided is an in-combustion chamber flow control device used in an engine having an intake passage connected to an intake opening formed in a ceiling surface of a combustion chamber, at an angle inclined with respect to a direction of a...
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JP6337717B2 |
To provide an auxiliary chamber type internal combustion engine which can form a stratified air-fuel mixture in a main combustion chamber without installing an air injection valve in an auxiliary combustion chamber, and can properly mana...
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JP6339554B2 |
A direct injection internal combustion engine has an injector for directly injecting fuel into a combustion chamber. A first fuel injection, a second fuel injection, and a third fuel injection are performed in one combustion cycle of the...
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JP6337877B2 |
Injection of the fuel by the injector 43 creates a gas flow in the combustion chamber. The gas expands in a radial fashion from an axis of a cylinder toward a radial outside of the cylinder, and then flows from the radial outside along t...
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JP6332345B2 |
A control device for an internal combustion engine is programmed, during a catalyst warm-up control, to perform first fuel injection by an injector in an intake stroke, control an ignition device so as to generate a discharge spark in a ...
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JP6334990B2 |
An engine includes: an intake port that includes a main flow passage that communicates with a combustion chamber via a throat section; the main flow passage section includes a first/second surfaces; a first extended line defined by exten...
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JP6332320B2 |
Main fuel injected from the fuel injector (3) into the combustion chamber (2) is made to auto-ignite. During the compression stroke after injection of the main fuel and before the auto-ignition of the main fuel, first auxiliary fuel and ...
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JP6332419B2 |
To provide a diesel engine capable of accelerating the mixing of fuel spray having low penetration with air by improving the fluidity in a cavity.The diesel engine includes a cylinder, a cylinder head having an intake port for generating...
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JP6332418B2 |
To provide a diesel engine capable of accelerating the mixing of fuel spray having low penetration with air by improving the fluidity in a cavity.The diesel engine includes a cylinder 12a, a cylinder head 14, a fuel injection valve 17 ca...
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JP2018080636A |
To restrain deterioration of accuracy of failure determination of an ozone supplying device.A control device 200 for an internal combustion engine 100 has a failure determination part for determining a failure of an ozone supplying devic...
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JP6326880B2 |
To reduce surface roughness of a heat insulating layer disposed in an engine combustion chamber and including hollow particles.A base material 10, hollow particles 21 having an average particle diameter of 35 μm or less, a binder materi...
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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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