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JP7451463B2 |
Disclosed is a two-stroke uniflow scavenging crosshead internal combustion engine which includes at least one cylinder, a cylinder cover, a piston, a fuel supply system, and a scavenging air system. The cylinder has a cylinder wall. The ...
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JP2024511013A |
The present invention comprises a first partial head cooling chamber (16) spaced from the fire deck (4) and adjacent to said fire deck (4) of the cylinder head (2) and by an intermediate deck (18). A cylinder head (2) with a top-down coo...
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JP7446458B2 |
A pre-chamber spark plug for a combustion chamber of a combustion engine includes a pre-chamber which has a plurality of openings and an electrode device which is disposed in the pre-chamber. An ignition spark for igniting a fuel-air mix...
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JP2024031403A |
An object of the present invention is to improve the ignitability of a combustion chamber at low cost without installing additional parts in a cold state of an engine provided with a prechamber. [Solution] When the engine is cold, the fi...
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JP7445099B2 |
[Problem] To provide a diesel engine which makes it possible to simultaneously reduce NOx and PM. [Solution] A diesel engine 1 comprises an injector 15 for injecting fuel into an auxiliary combustion chamber 13 and is provided so as to f...
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JP2024027998A |
[Problem] To suppress separation of gas flow from a sub-combustion chamber into a main combustion chamber and form a strong flow. The present invention includes a cylinder, a cylinder head, and a piston that defines a main combustion cha...
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JP7441082B2 |
To provide an internal combustion engine which can promote combustion in a combustion chamber by a sub-combustion chamber compared with a conventional constitution, and is improved in combustion efficiency by shortening a combustion peri...
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JP7439685B2 |
To provide a spark plug for an internal combustion engine, capable of improving ignitability and provide the internal combustion engine.A spark plug 1 includes: an insulator 3; a center electrode 4; a housing 2; a plug cover 5 on which a...
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JP7438930B2 |
To provide an IDI type (sub chamber type) diesel engine in which eddy currents are promoted to improve combustion efficiency with further diligent research.In a diesel engine, a main combustion chamber 5 and a sub chamber 6 provided at a...
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JP7436159B2 |
The invention relates to pre-chambers for a cylinder of an internal combustion engine and to a cylinder device.The pre-chamber (9) comprises an ignition chamber 12 for igniting of the gas-air mixture and a duct (4) for connecting the ign...
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JP7432495B2 |
To provide an electronic fuel injection type diesel engine which can perform precise fuel injection control despite the accumulation of soot on the exit of a fuel injection hole of a fuel injector.An electronic fuel injection type diesel...
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JP7432494B2 |
To provide an electronic fuel injection type diesel engine which can perform precise fuel injection control despite the accumulation of soot on the exit of a fuel injection hole of a fuel injector.An electronic fuel injection type diesel...
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JP7432493B2 |
To provide an electronic fuel injection type diesel engine which can perform precise fuel injection control despite the accumulation of soot on the exit of a fuel injection hole of a fuel injector.An electronic fuel injection type diesel...
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JP2024507169A |
The present invention relates to an internal combustion engine (1) comprising at least one cylinder (10) and four charge cycle openings (4) per cylinder (10), first and second charge cycle openings (4). ) are each an intake opening (41),...
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JP2024506921A |
The present invention relates to a pre-combustion chamber spark plug (22) for a combustion chamber (18) of an internal combustion engine (10), comprising a pre-combustion chamber (30) and a plurality of connection channels (36a, b), the ...
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JP7430813B2 |
A pre-chamber spark plug for a combustion chamber of an internal combustion engine includes a pre-chamber which has a plurality of openings. A fuel-air mixture is introducible from the combustion chamber into the pre-chamber via the plur...
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JP7430805B2 |
A method for operating an internal combustion engine of a motor vehicle, where the internal combustion engine includes a combustion chamber and a prechamber spark plug which is assigned to the combustion chamber and which has a prechambe...
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JP7430806B2 |
An internal combustion engine for a motor vehicle includes a combustion chamber in which a first tumble-shaped current of a fuel-air mixture is settable. A pre-chamber spark plug is allocated to the combustion chamber which has a pre-cha...
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JP7426511B2 |
A pre-chamber (20) of a pre-chamber-combustion four-stroke engine (1) is formed such that between the length (L1) of the internal space of a pre-chamber in a plug axial direction (DP) of a pre-chamber sparkplug (23) and the maximum lengt...
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JP7419912B2 |
To provide an internal combustion engine that performs stable lean burning.An engine 1 is an internal combustion engine that comprises a main combustion chamber 11 and a sub-combustion chamber 25 linked to the main combustion chamber 11,...
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JP7419172B2 |
To provide a swirl chamber type diesel engine having high combustion performance.A swirl chamber type diesel engine comprises a swirl chamber 2 provided in a cylinder head 1, an injector insertion hole 3, a fuel injector 4 inserted into ...
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JP2024005029A |
An object of the present invention is to detect the occurrence of knocking and combustion noise. [Solution] A control device 100 for an internal combustion engine, which has a main combustion chamber, a sub-combustion chamber, and an ign...
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JP2024005028A |
An object of the present invention is to detect the occurrence of knocking and combustion noise. [Solution] A control device 100 for an internal combustion engine having a main combustion chamber, a subcombustion chamber, a main chamber ...
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JP2024005030A |
An object of the present invention is to detect the occurrence of knocking and combustion noise. A control device 100 for an internal combustion engine having a main combustion chamber, a sub-combustion chamber, a main chamber ignition s...
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JP2024005027A |
An object of the present invention is to detect the occurrence of knocking and combustion noise. [Solution] A control device 100 for an internal combustion engine includes a main combustion chamber, a sub-combustion chamber, and an ignit...
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JP7413746B2 |
To provide a spark plug for an internal combustion engine, which can improve the ignitability, and an internal combustion engine provided with the spark plug.A spark plug 1 for an internal combustion engine includes a cylindrical insulat...
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JP2024001450A |
An object of the present invention is to improve the combustion stability of an engine having a sub-combustion chamber. The engine includes a main chamber spark plug 9 that ignites an air-fuel mixture inside a main combustion chamber, an...
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JP7409785B2 |
This gas engine control device includes: a main chamber defined by a cylinder and a piston; a sub-chamber that has a nozzle hole and that is connected with the main chamber via the nozzle hole; and a sub-chamber gas regulating valve for ...
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JP2023184033A |
To reduce a processing load on an ECU for controlling actuation of ignition plugs.An engine includes a main chamber ignition plug for igniting an air-fuel mixture inside a main combustion chamber, and a sub-chamber ignition plug for igni...
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JP7405604B2 |
To significantly suppress heat loss by reducing the amount of flame directed toward a piston from a sub-flame injection hole while improving scavenging property/air-fuel mixture inflow property by forming the downward sub-frame injection...
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JP7397664B2 |
To provide a structure capable of smoothly jetting flame to an optimum direction from an auxiliary combustion chamber, in an internal combustion engine with the auxiliary combustion chamber.An auxiliary combustion chamber 13 is disposed ...
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JP7393971B2 |
To provide an ignition plug that prevents an injection hole in an auxiliary chamber from being blocked by water even when dew condensation occurs in a main combustion chamber in an ignition plug with the auxiliary chamber.An ignition plu...
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JP7394120B2 |
The magnetic valve return device (42) is provided for a valve ignition prechamber (1) which has a stratification cavity (8) which is connected by a stratification conduit (7), which a stratification valve (13) can close, to a combustion ...
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JP7393368B2 |
This internal combustion engine control device comprises: an ignition time estimation unit, a crank angle information acquisition unit, a rotation fluctuation acquisition unit, and a jet intensity acquisition unit. The ignition time esti...
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JP7388224B2 |
An internal combustion engine is provided with a pre-chamber provided inside a main combustion chamber. The pre-chamber includes an ignition plug, and a casing provided to a ceiling part to cover the ignition plug, the casing isolating a...
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JP2023168841A |
To provide an internal combustion engine with an auxiliary chamber, which can suppress injection of fuel in a liquid state into the auxiliary chamber.An internal combustion engine 100 with an auxiliary chamber comprises: a main chamber 1...
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JP2023165582A |
To provide a technology of controlling premixed compression ignition combustion.A cylinder head is provided with an air supply valve variable valve device 10 varying a valve close timing of an air supply valve 4, and an auxiliary combust...
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JP7381176B2 |
To improve reliability by preventing melting loss of an ignition plug, in an internal combustion engine in which a tip portion of the ignition plug is covered by an auxiliary combustion chamber.An ignition plug 10 and an igniter 11 are d...
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JP2023162779A |
To provide a method for producing a prechamber-forming member of a prechamber engine that can improve the combustion efficiency of the mixture, and a prechamber-forming member of a prechamber engine .A method for producing a prechamber-f...
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JP2023160754A |
To provide a device capable of further improving processes of ignition and combustion of a fuel-air mixture.A device (1) for igniting a fuel-air mixture in a combustion chamber (3) of a cylinder (2) of an internal combustion engine (100)...
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JP7372903B2 |
To provide an IDI type (sub chamber type) diesel engine in which a combustion rate is increased to improve combustion efficiency with further diligent research focusing on the relation between an injection hole and a recess.In a diesel e...
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JP7366880B2 |
To provide a diesel engine for actualizing precise fuel injection.A fuel injector 7 includes a large-diameter body part 7c, a small-diameter nozzle part 7d, and a thrust surface 7e formed on a step area between the body part 7c and the n...
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JP7366879B2 |
To provide a diesel engine for actualizing precise fuel injection.A fuel injector 7 includes a large-diameter body part 7c, a small-diameter nozzle part 7d, and a thrust surface 7e formed on a step area between the body part 7c and the n...
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JP7365564B2 |
To provide an engine system capable of surely burning an air-fuel mixture in a main combustion chamber in an engine provided with a sub-chamber even in a state of low engine water temperature.An engine system 1 includes: an engine 2; a m...
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JP7365790B2 |
A spark plug includes a housing, a porcelain insulator, a center electrode, a ground electrode, and a prechamber-defining portion. The prechamber-defining portion has a prechamber formed therein. The prechamber-defining portion has a plu...
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JP2023149893A |
To enable an engine to perform the fundamental thermal efficiency and performance of the engine quickly and sufficiently when changing an operating state during an operation mode to travel on engine drive force.In a hybrid vehicle having...
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JP2023149881A |
To secure excellent combustion under various operation conditions.A controller of an engine device comprises: an engine 10 comprises a combustion chamber C comprising a main chamber 1 and a sub-chamber 11, an injection device 9 that supp...
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JP2023151028A |
To provide an internal combustion engine capable of using a plurality of types of fuel and coping with abnormal combustion while maintaining output.An internal combustion engine (1) comprises: a cylinder (5) which forms a combustion cham...
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JP2023143114A |
To provide an engine capable of uniformly injecting flame flow injected from at least one fuel inflow communication passage and at least two or more swirl flow generation communication passages in a circumferential direction of a main ch...
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JP2023143150A |
To provide an engine which can generate swirl flow in a sub chamber and suppress reduction in injection energy of flame stream injecting from a swirl generation communication passage.A partition wall of an engine has at least two swirl g...
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