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JP6671328B2 |
To attain improvement of fuel consumption by suppressing increase of a heat loss while suppressing deterioration of exhaust emission.An electronic control unit 200 is configured to control an internal combustion engine 100 comprising: an...
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JP2020041509A |
To reduce emissions such as unburned hydrocarbon and soot while securing startability (ignitability) at cold start of an internal combustion engine.An internal combustion engine control device controls a fuel jetting valve 100 to jet fue...
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JP6665715B2 |
To provide a laser ignition device capable of realizing cooling of a laser ignition plug installed in a plug hole without using any power force but by using heat radiation means showing a simple configuration.This invention relates to a ...
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JP6663522B2 |
To provide a bulkhead plate that can effectively generate a tumble flow and improve combustion stability of an engine.A bulkhead plate 48 separates an intake flow passage formed with an intake pipe 60 connected to a combustion chamber in...
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JP6658663B2 |
When it is determined that the combustion state during the catalyst warm-up control is unstable, an additional ignition is performed on the TDC side relative to the discharge period CP. In a first countermeasure example, an additional ig...
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JP6657138B2 |
An internal combustion engine (1) of two-stroke crosshead type comprises an oil supply system (16), a liquid gas supply system (17), and a water supply system (18). The individual cylinder (7) has an exhaust valve (6) at an upper end, an...
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JP6654917B2 |
To reduce a quenching region without reducing compressibility.A piton 100 which slides in a cylinder bore 12 includes a top ring groove formed in an outside face 104 so that a top ring 21 is mounted therein, and a top land part 112 forme...
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JP6655348B2 |
An engine (10) includes a cylinder liner (21), a cylinder block (20), a cylinder head (30A), a seal portion (41A), and a gap member (50). The seal part (41A) is provided to surround the outer circumferential side of the cylinder liner (2...
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JP6648442B2 |
To provide a piston for an internal combustion engine which promotes a mixture of fuel spays and intake air in a cavity by utilizing a swirl, and can avoid the generation of suit, HC, CO or the like caused by incomplete combustion by sup...
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JP2020020322A |
To provide an internal combustion engine and a control device of an internal combustion engine, which can improve both miscibility of intake air and fuel and the combustion stability even when a fuel injection quantity is small.A spark i...
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JP6642559B2 |
A control system for a compression-ignition engine is provided, which includes an engine having a combustion chamber formed by a cylinder, a piston and a cylinder head, an injector, a spark plug, an exhaust gas recirculation (EGR) device...
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JP6642558B2 |
To provide a premixing compression ignition type engine performing ignition assist, capable of preventing uneven distribution of flame propagation in a combustion chamber, and suppressing combustion noise and abnormal combustion.A premix...
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JP2020016153A |
To provide an internal combustion engine which can enhance combustion efficiency by efficiently using charged air in a combustion chamber, in a compression self-ignition type internal combustion engine having a duct through which a fuel ...
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JP6636836B2 |
To stabilize an injection of fuel, and realize stable combustion, in a direct-injection type engine.A combustion chamber structure 1 of a direct-injection type engine includes: a piston head 31 formed with a cavity 31x having an inner wa...
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JP2020012417A |
To provide a control device of an internal combustion engine which can collect a rich air-fuel mixture around an ignition plug while suppressing the adhesion of fuel to a wall surface of a combustion chamber.A control device of an intern...
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JP6633270B2 |
To provide a uniflow scavenging two-cycle engine for performing appropriate scavenging in response to a compression ratio.A uniflow scavenging two-cycle engine is configured so that a scavenging port 126 comprises a swirl guide part 126a...
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JP6635342B2 |
A compression-ignition type internal combustion engine that burns a gaseous fuel, improves an ignition performance not only at a center part of the combustion chamber but also at an outer edge part. The compression-ignition engine compri...
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JP2020007988A |
To provide an engine system capable of improving the fuel efficiency of an engine while suppressing the occurrence of oil dilution.An engine system 1 includes an engine 10 having a cylinder 11a, a piston 13 arranged in the cylinder 11a, ...
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JP6631575B2 |
To provide a control device of a compression ignition type engine which is favorably maintained in exhaust performance, suppressed in a cooling loss, and can obtain homogeneous charge compression ignition combustion in a wide engine load...
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JP2020002844A |
To suppress reduction of engine output in a high-load region, in a center injection engine in which a positive tumble flow is generated in a combustion chamber.A center injection engine is an engine comprising a direct injection injector...
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JP6627843B2 |
To provide a combustion chamber structure for an engine, capable of securing high ignitability of air-fuel mixture by making the air-fuel mixture exist on an ignition part of a spark plug and in its vicinity during ignition.A crown surfa...
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JP6627820B2 |
The internal combustion engine comprises a swirl control valve able to change a strength of a swirl generated in a combustion chamber; a load sensor for detecting an engine load; and a control device for controlling the swirl control val...
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JP6627844B2 |
To provide a combustion chamber structure for an engine, capable of securing high ignitability of air-fuel mixture by ensuring air scavenging near a combustion chamber ceiling surface.The crown surface of a piston 5 is provided with a ca...
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JP2019218864A |
To provide an internal combustion engine for forming a tumble flow in a combustion chamber, having air-fuel mixture igniting performance improved by suppressing the contact of formed initial frames with a combustion chamber wall surface....
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JP6623665B2 |
To suppress both of preignition and knocking.An upper end of a spray region F of fuel injected from a fuel injection device 32 is positioned at the same height as or below an upper end of a passage spacer 36. An inner peripheral surface ...
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JPWO2018056278A1 |
It is a compression self-ignition engine 1 that switches between a self-ignition operation that compresses and ignites the air-fuel mixture and a spark ignition operation that forcibly ignites the air-fuel mixture using a discharge means...
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JP6620783B2 |
To provide a combustion chamber structure that allows combustion to be high speed and homogeneous in a whole combustion chamber while suppressing preignition.A crown surface 50 of a piston 5 comprises a small cavity 51 and a large cavity...
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JP6620785B2 |
To provide a combustion chamber structure for a spark ignition type engine capable of achieving great engine torque by enabling homogeneous combustion.The combustion chamber structure for the engine includes a combustion chamber 6 of the...
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JP6620784B2 |
To provide a combustion chamber structure for a spark ignition type engine capable of achieving great engine torque by enabling homogeneous combustion.The combustion chamber structure for the engine includes a combustion chamber structur...
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JP2019534408A |
A fuel injector for injecting fuel vapor into the combustion chamber of an internal combustion engine. The injector has a central axis and can be attached to the internal combustion engine so that the fuel injector projects into the comb...
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JP6610323B2 |
To provide an internal combustion capable of achieving suppression of abrasion of a ground electrode, and improvement of ignition and stability of burning even under the condition that a high airflow flows by a low ignition energy.An ign...
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JP6610631B2 |
To provide a combustion chamber structure capable of improving ignitability of an ignition plug in a spark-ignition type engine.A combustion chamber structure of an engine comprises a crown surface 50 of a piston 5 and a combustion chamb...
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JP6610401B2 |
To provide a controller of an internal combustion engine capable of avoiding excessive combustion suppression due to water injection and a risk of accident fire resulting from the excessive combustion suppression.A controller of an inter...
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JP2019199825A |
To suppress the generation of smoke by sufficiently using air at a cylinder center side.A combustion chamber structure of an internal combustion engine comprises: a reentrant-type cavity 11 which is recessively formed at a center part of...
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JP6606045B2 |
To provide a structure of a fuel jetting valve for stratified charge combustion that directly supplies fuel to an ignition plug to ignite the fuel, in a fuel jetting valve for supplying fuel directly to a combustion chamber.In a fuel jet...
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JP6604350B2 |
An internal combustion engine (1) includes an intake port (4) configured to generate a swirl in a cylinder (2), an exhaust port (5), and a piston (8). The piston (8) includes a top surface (81) provided in an upper portion of the piston ...
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JP6601371B2 |
A control apparatus for a compression autoignition engine includes an engine 1, a spark plug 25, a controller (ECU 10), and sensors SW1 to SW16. After the spark plug ignites air-fuel mixture to start combustion, unburned air-fuel mixture...
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JP6601481B2 |
To perform compression ignition combustion while suppressing the occurrence of combustion noise in a compression ignition type engine.A control device for the compression ignition type engine includes an engine 1, an injector 6, a spark ...
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JP2019531433A |
Thermal barriers for engine component surfaces are disclosed. The thermal barrier contains multiple modules, each module with a shield. The edges of at least one shield are spaced from the edges of adjacent shields in the array.
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JP2019190286A |
To provide an internal combustion engine for increasing the turbulence of intake gas to be generated in a combustion chamber.An internal combustion engine 1 includes an intake opening 13, an exhaust opening 14, and a mask part 50 having ...
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JP6597030B2 |
To provide a combustion chamber structure of a Diesel engine capable of improving combustion efficiency of fuel spray with a simple structure.A combustion chamber structure 10 of a Diesel engine is a structure of a combustion chamber 7 o...
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JP6597736B2 |
To actualize stable combustion even in an environment where a temperature in a combustion engine becomes lower.A control device for an engine where SI combustion of air-fuel mixture is started by flame propagation and then CI combustion ...
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JP6597763B2 |
To improve ignition performance in executing AWS and to stabilize combustion, in an engine of comparatively high compression ratio and an engine with a small cavity.A control device of an engine includes: an exhaust emission control cata...
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JP2019183732A |
To provide an opposed piston internal combustion engine improved in air intake/exhaust efficiency.An opposed piston internal combustion engine 1 is provided with two pistons 11 in one cylinder and constituted to symmetrically reciprocate...
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JP2019183730A |
To provide an opposed piston internal combustion engine capable of minimizing a height.An opposed piston internal combustion engine 1 in which two pistons 11 are disposed in one cylinder 21 in a manner that the pistons are symmetrically ...
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JP6592931B2 |
To provide a combustion chamber structure for a direct-injection engine, capable of reducing heat loss while maintaining a good combustion state, without declining fuel economy.The combustion chamber structure for a direct-injection engi...
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JP6593425B2 |
To surely generate spark discharge at a discharge electrode part of an ignition plug, in a gasoline engine for igniting air-fuel mixture with the ignition plug.A gasoline engine comprises: a combustion chamber 6 sectioned by a cylinder 2...
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JP2019178623A |
To reduce an amount of hydrogen used as a combustion improver while obtaining a preferable combustion speed and ignition performance, in an internal combustion engine that obtains drive force with combustion of ammonia.An internal combus...
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JP2019178620A |
To provide an internal combustion engine at low cost, which can withstand a high pressure and inject fuel into an auxiliary combustion chamber.An internal combustion engine has an auxiliary combustion chamber (40) that is divided from a ...
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JPWO2018096591A1 |
Provided is a diesel engine capable of reducing cooling loss and improving the mixture of fuel spray and air by increasing the fluidity of air in the cavity without increasing the penetration of fuel spray. The diesel engine (1) is attac...
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