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JP7147962B2 |
An indirect injection internal-combustion engine is provided with a main chamber, an auxiliary chamber, a communication path, and a spark plug. The main chamber is defined by a cylinder, a cylinder head, and a piston. The auxiliary chamb...
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JP7142745B1 |
An object of the present invention is to provide an ignition device for an internal combustion engine that enhances ignitability, suppresses misfires, and operates stably when a spark plug smolders under an environment in which scavengin...
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JP2022136398A |
To maintain tumble flow until the second half of a compression stroke and furthermore to suppress knocking in a combustion chamber with a pent roof type ceiling surface.A combustion chamber 5 for an engine is partitioned by a crown surfa...
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JP2022136399A |
To increase combustion speed utilizing tumble flow, in a combustion chamber with a pent-roof type ceiling surface.A combustion chamber 5 for an engine is partitioned by a crown surface 40 of a piston 4, the inner wall surface of a cylind...
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JP2022136396A |
To provide a combustion chamber structure for an engine with a supercharger, capable of improving the fuel economy while maintaining a high compression ratio, by achieving a higher combustion speed utilizing a tumble flow.A combustion ch...
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JP2022136395A |
To provide a combustion chamber structure for an engine with a supercharger, capable of improving the fuel economy while maintaining a high compression ratio, by achieving a higher combustion speed utilizing a tumble flow.A combustion ch...
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JP2022136397A |
To provide a combustion chamber with a pent-roof type ceiling surface for achieving a higher combustion speed utilizing a tumble flow.A combustion chamber 5 for an engine is defined by a crown surface 40 of a piston 4, an inner wall face...
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JP2022135399A |
To provide a natural gas engine and a natural gas engine system that can improve fuel economy.A natural gas engine comprises a cylinder, and a plurality of intake ports connected to the cylinder. A mixture of natural gas and intake air i...
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JP7137145B2 |
To ensure both quietness and excellent fuel economy performance in a vehicle mounted with a compression ignition engine and a motor capable of generating power.A fuel injection control section 73 causes an injector 15 to execute first st...
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JP7137146B2 |
A control device for an engine is provided, which includes a combustion controlling module, and an ignition retard determining module configured to determine whether there is a request for an ignition retard for retarding an ignition tim...
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JP7137118B2 |
A fuel injection control unit causes a fuel injection valve to execute at least: a main injection to inject fuel at timing when a piston is positioned near a compression top dead center; a pilot injection to inject the fuel at timing ear...
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JP7137410B2 |
To suppress the adhesion of fuel to an intake valve.An intake device of an internal combustion engine comprises: a valve opening/closing mechanism for moving an intake port; an injector arranged in a position in which fuel injected into ...
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JP7131172B2 |
A control system for a compression ignition engine is provided, which includes a combustion chamber, a throttle valve, an injector, an ignition, a swirl control valve, a sensor and a controller. The controller is configured to execute a ...
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JP7131171B2 |
A control system for a compression ignition engine is provided, which includes a combustion chamber, a throttle valve, an injector, an ignition plug, an EGR system, a sensor device and a controller. The controller includes a first mode m...
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JP7131169B2 |
A control system for a compression ignition engine is provided, which includes a combustion chamber, a throttle valve, an injector, an ignition plug, a sensor, and a controller. A changing module of the controller outputs a signal to the...
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JP7131170B2 |
A control system for a compression ignition engine is provided, which includes a combustion chamber, a throttle valve, an injector, an ignition plug, a sensor, and a controller. A changing module outputs a signal to the throttle valve so...
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JP2022125010A |
To provide an innovative solution for an internal combustion engine which is characterized by both high operating efficiency and an extremely simple structure.An engine includes at least one cylinder, and a first intake valve and a secon...
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JP7125668B2 |
To enable a prompt change to an appropriate engine temperature corresponding to a difference of a combustion form.As a combustion form of an engine 1, one combustion form is selected from a plurality of preset combustion forms (for examp...
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JP2022124166A |
To provide an internal combustion engine that positively introduces internal EGR for improved fuel efficiency and can also introduce both of the internal EGR gas and the fresh air to achieve its driving.An internal combustion engine 1 ha...
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JP7125669B2 |
To prevent a vapor failure of fuel after an ignition switch is off, without giving long-time operation to an electric fan.In front of an engine 1, a radiator 40, an electric fan 50, and a grille shutter 60 are provided. When the engine 1...
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JP2022537229A |
A method of injecting liquid or gaseous ammonia fuel into a reciprocating engine containing at least two cylinders. The method is such that ammonia fuel is injected into the combustion chamber of each cylinder after at least one exhaust ...
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JP7125670B2 |
To allow the closing operation of a grille shutter basically at a low vehicle speed while preventing the event that water in a water pool accidentally enters into an intake port for intake air.In front of an engine 1, a radiator 40, and ...
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JP7124732B2 |
In a compression-ignition engine having a two-stage cavity, the distribution ratio between fuel for an upper cavity and fuel for a lower cavity is maintained even when the operational state of the engine changes. A piston 5 of the compre...
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JP7124735B2 |
In a compression-ignition engine having a two-stage cavity, the distribution ratio between fuel for an upper cavity and fuel for a lower cavity is maintained even when the operational state of the engine changes. A piston 5 of the compre...
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JP7124734B2 |
In a compression-ignition engine having a two-stage cavity, the distribution ratio between fuel for an upper cavity and fuel for a lower cavity is maintained even when the operational state of the engine changes. A piston 5 of the compre...
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JP7124731B2 |
In a compression-ignition engine having a two-stage cavity, the distribution ratio between fuel for an upper cavity and fuel for a lower cavity is maintained even when the operational state of the engine changes. A piston 5 of the compre...
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JP7124518B2 |
A control system for a compression ignition engine configured to start compression ignition combustion by igniting mixture gas formed by injecting fuel into combustion chambers is provided, which includes combustion chambers each defined...
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JP7124733B2 |
In a compression-ignition engine having a two-stage cavity, the distribution ratio between fuel for an upper cavity and fuel for a lower cavity is maintained even when the operational state of the engine changes. A piston 5 of the compre...
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JP2022119265A |
To suppress the knocking of an engine.An engine system 1 is equipped with a combustion chamber 34 formed in a cylinder 30, and an air supply portion 14 that supplies air to a peripheral area around an inner peripheral surface 36 of a cyl...
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JP2022118759A |
To stabilize the timing in which CI combustion generates when assisting compression ignition by spark ignition or the ratio of SI combustion and CI combustion.At a ceiling part 2 of a combustion chamber of a cylinder, an ignition plug 4 ...
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JP7118943B2 |
An internal combustion engine includes: a piston guided by a cylinder to reciprocate along a cylinder axis and forming a combustion chamber with a crown surface facing a cylinder head; and a fuel injection valve having an injection port ...
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JP2022118327A |
To suppress the knocking of an engine.An engine system 1 is equipped with a combustion chamber 34 formed in a cylinder 30, an air injector 80 that opens a nozzle 82 to the combustion chamber 34 and jets air in a tangential direction of a...
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JP2022118724A |
To suppress generation of nitrogen oxide and improve thermal efficiency by distribution of water supplied to the inside of a combustion chamber.A reciprocating internal combustion engine 10 comprises a fuel injection nozzle 18 that is di...
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JP7115028B2 |
A control system for a compression-ignition engine which performs SPCCI combustion in which mixture gas is ignited with a spark plug to be partially combusted by SI combustion and the rest of mixture gas self-ignites to be combusted by C...
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JP7110654B2 |
To provide an internal combustion engine which can suppress a stress concentration of a cylinder head.An internal combustion engine comprises: a cylinder head having a combustion chamber ceiling face constituting a combustion chamber, an...
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JP2022110734A |
To provide an internal combustion engine capable of preventing fuel from attaching to a piston and preventing soot from being generated.An engine 1 comprises: a piston 20; a cylinder 30 which stores the piston 20; and an injector 10 whic...
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JP2022106738A |
To improve a device, system and method for attaining and/or controlling compression ignition (and/or spark-auxiliary or fuel-auxiliary compression ignition) in an internal combustion engine.A system comprises: a cylinder 300 that utilize...
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JP7093480B2 |
Disclosed are a flame-ejecting spark plug, and an internal combustion engine and an automobile having same. On the basis of a conventional spark plug, a space near to an electrode is closed to form a cavity (10), an end face is provided ...
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JP2022529627A |
The present invention relates to a gas intake device (1) for a cylinder of an internal combustion engine. The gas intake device is inside the cylinder in two intake pipes (5a, 5b), two intake valves (4), two intake valve calibration part...
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JP2022528716A |
The present invention relates to a gas intake device (1) for a cylinder of an internal combustion engine. The gas intake device (1) forms a tumble-type aerodynamic motion of the gas in the cylinder with the intake port (5), the intake va...
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JP7082523B2 |
To provide a heat shielding membrane member that can suppress an increase in cost required for maintaining heat shielding performance of a heat shielding layer.At least one heat shielding membrane member is formed to a combustion chamber...
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JP2022083620A |
To provide a combustion chamber structure for an engine capable of improving engine output while suppressing knocking, and of compatibly improving fuel consumption performance and improving the engine output.A crown surface 50 of a pisto...
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JP2022083616A |
To actualize similar combustion at the same engine speed and the same load between engines different in displacement.A combustion chamber structure for an engine where a geometric compression ratio is set in a range of 13.5-15.5 includes...
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JP2022083615A |
To provide a combustion chamber structure for an engine capable of improving engine output while suppressing knocking.A combustion chamber 6 for an engine is defined by a crown surface 50 of a piston 5, the inner wall surface of a cylind...
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JP2022083619A |
To provide a combustion chamber structure for an engine capable of improving engine output while suppressing knocking.A combustion chamber 6 for an engine is defined by a crown surface 50 of a piston 5, the inner wall surface of a cylind...
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JP2022083618A |
To actualize similar combustion at the same engine speed and the same load in engines having respective displacements when manufacturing the plurality of types of engines different in displacement.An engine where a compression ratio is 1...
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JP2022083617A |
To actualize similar combustion at the same engine speed and the same load between engines different in displacement.A combustion chamber structure for an engine where a geometric compression ratio is set in a range of 13.5-15.5 includes...
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JP2022083621A |
To provide a combustion chamber structure for an engine capable of improving engine output while suppressing knocking, and of compatibly improving fuel consumption performance and improving the engine output.A crown surface 50 of a pisto...
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JP2022083622A |
To provide a combustion chamber structure for an engine, capable of improving engine output while suppressing knocking, and of compatibly making a compression ratio higher and maintaining a tumble flow.A crown surface 50 of a piston 5 in...
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JP7077768B2 |
A compression-ignition engine control system is provided, which includes an intake variable mechanism and a controller. Within a first operating range and a second operating range on a higher engine load side, the controller controls the...
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