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JP7226527B2 |
A pre-chamber type internal combustion engine that comprises a main chamber, a pre-chamber, and a connection passage. The main chamber is demarcated into a cylinder head, a cylinder, and pistons. The pre-chamber protrudes from the cylind...
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JP7225593B2 |
A control system for a compression-ignition engine includes a combustion chamber, an injector, an ignition plug, a sensor device, and a controller having a circuity. The ignition plug forcibly ignites mixture gas to start combustion acco...
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JP7224765B2 |
To inject fuel at proper timing irrespective of a secular change of a fuel injection device, and to suppress a generation amount of soot which is generated by the combustion of the fuel.A fuel injection control device for controlling a f...
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JP2023023760A |
To provide a spark plug for an internal combustion engine capable of improving the ignition, and an internal combustion engine including the same.When a spark plug 1 is divided into two parts including a first plug part 11 including a fi...
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JP2023022223A |
To uniformly mix a fuel and air in a combustion chamber.A fuel injection device includes a plurality of fuel injection nozzles for injecting a fuel into a combustion chamber of a two-stroke engine compressed by a piston, in which at leas...
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JP7221731B2 |
To realize a form of a suction port capable of reinforcing a tumble flow without reducing an intake amount.A pair of suction ports 6 is offset so that a center line 23 thereof approaches a center line 20 of a partition wall 12 in a plan ...
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JP2023020232A |
To appropriately combust mixed gas in an auxiliary chamber during a cold start-up.An engine system 1 comprises: a main combustion chamber 25; an auxiliary chamber 60 which is separated from the main combustion chamber 25 by a bulkhead (6...
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JP2023020233A |
To reliably enhance fuel economy performance while curbing a torque shock.An engine system comprises: a main combustion chamber; an auxiliary chamber; a fuel injection device which injects fuel into the main combustion chamber; a main ig...
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JP2023020234A |
To properly combust air-fuel mixture in an auxiliary chamber and a main chamber in an engine system having the main combustion chamber and the auxiliary chamber.A system comprises a main combustion chamber, an auxiliary chamber, a fuel i...
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JP2023017470A |
To restrain re-discharging of an ignition plug.In an engine controlling method, while a controller (ECU 10) performs preliminary energization to a first electromagnet while an electrode pair 250 of an ignition plug 25 is generating arc d...
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JP2023018060A |
To provide a turbocharging type uniflow scavenging-air compression ignition internal combustion engine which is configured to be operated by using ammonia as a main fuel or only fuel in at least one operation mode.An engine includes: a c...
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JP2023504688A |
A two-stroke uniflow scavenging crosshead internal combustion engine is disclosed comprising at least one cylinder, a cylinder cover, a piston, a fuel gas supply system and a scavenging air system. A two-stroke uniflow scavenging crosshe...
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JP2023016618A |
To provide a spark plug for an internal combustion engine capable of improving ignitability, and an internal combustion engine having the same.In a spark plug 1, a discharge gap G is formed such that a center-facing side surface 41 and a...
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JP2023016619A |
To provide a spark plug for an internal combustion engine and an internal combustion engine capable of improving ignitability.A spark plug 1 for an internal combustion engine has an insulator 3, a center electrode 4, a housing 2, a groun...
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JP2023006979A |
To provide a combustion chamber structure of a direct injection diesel which is engine more advantageous for fuel economy.A combustion chamber structure 100 of a direct injection diesel engine comprises: a first rising part 102 rising up...
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JP7204982B2 |
A method of operating a hydrogen-fueled internal combustion engine 100. The engine 100 is determined to have a mode control value, which represents a threshold torque. During operation of the engine 100, a demanded torque of the internal...
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JP7196405B2 |
To provide a direct-injection engine which can further improve thermal efficiency by reducing a cooling loss by generating a proper tumble flow in a combustion chamber.A ceiling face 3a of a combustion chamber 10 is a pent roof-shaped ce...
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JP7196639B2 |
To prevent the occurrence of damage to an EGR cooler along with the temperature rise of cooling water in the EGR cooler.A cooling device for an engine includes: a first cooling water pathway 62 running via an engine body; a second coolin...
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JP7196553B2 |
To provide a combustion chamber structure for an engine using SI combustion and SPCCI combustion in combination for maintaining both a tumble flow and a swirl flow until a late period for a compression stroke.A combustion chamber of the ...
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JP7189717B2 |
To provide a park-ignition engine that can benefit from excellent homogenization and a better combustion rate, thanks to a high turbulence level during an intake phase.The present invention relates to a combustion chamber of a combustion...
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JP7189487B2 |
To suppress the generation of soot or others to the utmost by making effective use of air in a combustion chamber part of which is defined by a crown surface having cavities to form homogeneous and lean air-fuel mixture.The bottom surfac...
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JP7189488B2 |
To suppress the generation of soot or others to the utmost by making effective use of air in a combustion chamber part of which is defined by a crown surface having cavities to form homogeneous and lean air-fuel mixture.The bottom surfac...
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JP2022180359A |
To provide a lube oil controlled ignition (LOCI) engine capable of consistent ignition and efficient start of combustion.First, lube oil is already indispensable for any combustion engine; hereafter, there is no need to carry a secondary...
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JP7180304B2 |
A combustion chamber structure for an engine includes a combustion chamber where SI combustion by spark ignition and CI combustion by self-ignition are conducted. A crown surface includes a cavity recessed to have a bowl-shape; a pair of...
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JP2022175423A |
To adjust a wall temperature of a combustion chamber with high responsiveness in accordance with a load of an engine.An engine system 1 includes an engine 10, a circulation device 91 for circulating cooling water to a water jacket 20, an...
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JP2022175421A |
To adjust a wall temperature of a combustion chamber with high responsiveness in accordance with a load of an engine.An engine system 1 includes an engine 10, a circulation device 91 for circulating cooling water to a water jacket 20, an...
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JP7174678B2 |
To provide a spark plug capable of easily improving ignitability.A spark plug 1 includes a center electrode 2, a grounding electrode 3, insulating glass 4, and a housing structure 5. The grounding electrode 3 forms a discharge gap G from...
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JP7172577B2 |
To suppress abnormal combustion during transition when the load of an engine turns from a low load state to a high load state.An ECU 100 outputs control signals to an electromagnetic clutch 45 for selecting a supercharger 44 to be driven...
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JP7172109B2 |
To provide a combustion chamber structure of a diesel engine which can enhance a compression ratio of a diesel engine by expanding a rib volume while suppressing the deterioration of a combustion state of fuel.In a combustion chamber str...
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JP7167830B2 |
To compatibly suppress abnormal combustion and improve fuel consumption performance in a high-load region.A control device in this invention is applied to an engine which enables premixed compression ignition combustion to combust fuel i...
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JP7163634B2 |
To suppress the generation of soot or others to the utmost by making effective use of air in a combustion chamber part of which is defined by a crown surface having cavities to form homogeneous and lean air-fuel mixture.The bottom surfac...
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JP7163635B2 |
To suppress the generation of soot or others to the utmost by making effective use of air in a combustion chamber part of which is defined by a crown surface having cavities to form homogeneous and lean air-fuel mixture.The bottom surfac...
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JP7161828B2 |
To provide a control device of an internal combustion engine which can stably perform HCCI after restoration from a fuel cut.A control device 1 of an internal combustion engine controls the internal combustion engine 2 which can switch p...
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JP7159821B2 |
To reduce output torque with high response while ensuring combustion stability, when there is a torque down request for temporarily reducing output torque.A controller of a vehicular engine comprises: a torque down determination unit tha...
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JP7156057B2 |
To ensure both quietness and excellent fuel economy performance in a vehicle mounted with a compression ignition engine.A fuel injection control section 73 causes an injector 15 to execute first stage injections P1 and P2 in which fuel i...
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JP7155947B2 |
An engine control device is provided. A fuel injection valve performs a pre-injection and a main injection on a retarding side of the pre-injection so that pressure waves resulting from combustions caused by the injections cancel each ot...
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JP7155918B2 |
A combustion chamber structure for an engine includes a combustion chamber where SI combustion by spark ignition and CI combustion by self-ignition are conducted. A crown surface includes a cavity recessed to have a bowl-shape, and a pai...
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JP7155917B2 |
To provide a combustion chamber structure for an engine capable of actualizing high combustion efficiency by maintaining a swirl flow in SPCCI combustion until a late period for a compression stroke.A combustion chamber of an engine body...
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JP7155916B2 |
To provide a combustion chamber structure for an engine capable of actualizing high combustion efficiency by maintaining a swirl flow in SPCCI combustion until the late period for a compression stroke.A combustion chamber of an engine bo...
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JP7155946B2 |
A control device for an engine is provided. A cavity formed in a crown surface of a piston of the engine includes a first cavity part disposed in a radially center area, a second cavity part disposed radially outward of the first cavity ...
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JP7151882B2 |
According to the present invention, a spark ignition internal combustion engine (1) is provided with a fuel injection valve (16) for injecting a fuel into a cylinder and performs lean combustion. This internal combustion engine (1) is pr...
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JP2022152223A |
To suppress the knocking of an engine.An engine system 1 comprises a piston 22 accommodated in a cylinder 30, and a cylinder head 24 arranged on the cylinder 30. When the piston 22 is located at a top dead point, a small-diameter combust...
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JP2022150464A |
To appropriately perform split injection of fuel to utilize a swirl flow in a cylinder and effectively suppress adhesion of fuel to a piston when performing control for bringing a catalyst in an active state.In an engine system 100, a PC...
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JP2022150465A |
To improve the degradation of combustion stability due to an increase of internal EGR gas when an opening of a swirl control valve changes to an opening side.An engine system 100 has an engine 1 that is equipped with a cylinder 2, a pist...
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JP2022150468A |
To improve deterioration in combustion stability due to an increase in internal EGR gas when the opening of a swirl control valve changes to the open side.An engine system 100 has: an engine 1 including a cylinder 2, a piston 14, an inje...
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JP2022150793A |
To provide an opposed piston engine capable of reducing thermal load on an outer peripheral portion of a piston.An opposed piston engine includes: a cylinder; a one-side piston disposed at one side in an axial direction inside of the cyl...
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JP2022150466A |
To suppress uneven distribution of fuel in a cylinder to ensure combustion stability, in an engine system that generates a swirl flow in a cylinder with a swirl control valve in a low load area and injects a flue during an intake stroke....
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JP2022150721A |
To provide an opposed piston engine capable of reducing thermal load of an exhaust-side piston.An opposed piston engine includes: a cylinder provided with a scavenging port at one side in an axial direction and an exhaust port at the oth...
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JP2022150467A |
To improve the deterioration of combustion stability due to excessive EGR gas, when a swirl control valve is switched from full closing to full opening.An engine system 100 includes: an engine 1 that is equipped with a cylinder 2, a pist...
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JP2022149420A |
To provide a combustion chamber structure and an engine including the same, the structure being capable of dispersing fuel to the whole combustion chamber and decreasing fuel loss by reducing influences of reverse squish flow by use of e...
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