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JP2023143082A |
To provide an engine capable of reducing deflection of a fuel to a downstream side in a gas flowing direction in a main chamber.An engine includes: a piston; a cylinder block provided with a cylinder in which the piston is reciprocated; ...
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JP2023140870A |
To improve the combustion of an air-fuel mixture in a main chamber by equally diffusing a flame injected from a sub-chamber in the main chamber by making the flame collide with a guide part arranged at a piston apex face, in a sub-chambe...
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JP2023142638A |
To disclose a cylinder head which can promote lean burn and high EGR.A pocket-shaped sub-chamber 11 is opened in a center part of a downward recess 6 which is formed at a cylinder head 4. An outlet 14a of an auxiliary intake port 14 and ...
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JP2023136490A |
To provide an engine capable of further quickly reducing sub chamber gas pressure and ensuring good load responsivity.A gas engine 1 is equipped with a sub chamber 21 that ignites fuel gas to generate flame, and a main chamber 20 that bu...
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JP7347308B2 |
To improve ignition property by a discharge spark when ignition is performed by the discharge spark after compression top dead point.An ignition system includes an ignition plug 40 and an ignition control part for controlling the ignitio...
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JP2023124427A |
To improve knocking determination accuracy in knocking determination device and method for an engine.An auxiliary chamber type engine in which a flame of an auxiliary chamber is jetted out to a main chamber for combustion includes: a pre...
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JP7339157B2 |
The purpose of the present invention is to improve the ignition performance of a prechamber-type ignition device upon starting of an engine. A prechamber-type ignition device 100A is provided with a prechamber-forming member 201 forming ...
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JP7337019B2 |
Engines provided with auxiliary chambers are prone to unstable combustion and the extinguishing of the fire in said auxiliary chambers in conditions when the auxiliary chamber temperature is low such as immediately after starting the eng...
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JP7334636B2 |
A subsidiary chamber type ignition system (70) comprises: a partition wall (34) that partitions a combustion chamber (30) of an engine (90) into a subsidiary chamber (38) and a main chamber (31); and an ignition plug (40) that ignites fu...
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JP2023119121A |
To provide a detection system for an auxiliary chamber type internal combustion engine that detects the state of an auxiliary combustion chamber by detecting vibration.A detection system for an auxiliary chamber type internal combustion ...
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JP2023116067A |
To provide an engine that uses two types or more of fuel and can suppress damage of the engine caused by backfire.An engine includes: an engine body; an intake line connected to a combustion chamber of the engine body; a first fuel line ...
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JP7327466B2 |
An auxiliary chamber type internal combustion engine includes a main chamber, an auxiliary chamber, a plurality of connecting passages connecting the main chamber with the auxiliary chamber, and an ignition plug configured to ignite a mi...
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JP2023535141A |
The present invention relates to a pre-chamber spark plug (1) suitable for use in a combustion chamber (12) of an internal combustion engine, said pre-chamber spark plug being adapted in intended use through at least one opening (3) to t...
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JP7323008B2 |
To provide an internal combustion engine capable of suppressing interference of a flame and efficiently performing combustion.An internal combustion engine includes a combustion chamber 50 comprising a main chamber 51 in which a main ign...
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JP2023533483A |
A precombustion chamber spark plug having a housing (6) and a cap (3) at least partially defining a precombustion chamber (2). The cap (3) has a plurality of through holes (30), and these through holes (30) connect the precombustion cham...
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JP7313409B2 |
To provide an internal combustion engine capable of suppressing deterioration of a heat conductive member.An internal combustion engine (1) includes: a cylinder head (10) for defining a main combustion chamber (13); and a nozzle (20) mou...
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JP2023101437A |
To provide a spark plug for an internal combustion engine, which is excellent in ignitability.Provided is a spark plug 1 in which a plug cover 5 is formed with injection holes 51. At least one of the injection holes 51 is an axial inject...
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JP7312362B2 |
An engine system includes an engine, a main combustion chamber formed by a cylinder head and a piston, an auxiliary chamber formed with a communicating hole communicating with the main combustion chamber, an injector configured to inject...
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JP7306924B2 |
To provide an internal combustion engine with an auxiliary combustion chamber, which achieves stable operation by ensuring scavenging of combustion gas in the auxiliary combustion chamber.An auxiliary combustion chamber 12 is arranged at...
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JP2023097540A |
To provide a gas engine which can prevent a leaked fuel gas from catching a fire by a simple constitution.A gas engine 1 includes: an engine frame 2 including a crank chamber 21 for accommodating a crankshaft 22; a cylinder 3 protruding ...
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JP2023093105A |
To provide a spark plug for an internal combustion engine capable of suppressing pre-ignition and improving productivity.In a spark plug 1, a ground electrode 6 protrudes from a fixed end 61, which is fixed in a distal end of a housing 2...
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JP2023092771A |
To provide an internal combustion engine which can improve productivity while securing a stable fixed state between a housing and a plug cover, and a spark plug.In an internal combustion engine 10 having a spark plug 1, the spark plug 1 ...
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JP7300071B2 |
The spark plug is provided with: an insulator; a main metal fitting in which a shelf portion for locking the insulator is provided; and a cap joined to the main metal fitting by way of a melted portion. The cap forms an auxiliary chamber...
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JP2023526964A |
The internal combustion engine (31) includes multiple fuel injections external to the precombustion chamber (65). A further aspect uses a pre-assembled and/or removable cartridge (51) containing an igniter (91) and a fresh air intake inj...
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JP2023085849A |
To provide an auxiliary chamber ignition plug that comprises a plurality of ground electrodes to extend its life and can prevent the occurrence of self ignition before ignition, and an engine.An auxiliary chamber ignition plug 20 used fo...
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JP2023084002A |
To make a heat efficiency improvement request in a middle load operation of an engine and a knocking suppression request in a high load operation compatible.An engine 1 is equipped with a main combustion chamber 6 that is formed by a cyl...
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JP2023084013A |
To efficiently suppress strong knocking generated in a high-load and high-rotation operation region in a specified engine equipped with a pre-chamber in a combustion chamber.An engine 1 includes a piston 5 which defines a combustion cham...
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JP2023084003A |
To make a heat efficiency improvement request in a middle load operation of an engine and a knocking suppression request in a high load operation compatible.An engine 1 is equipped with a main combustion chamber 6 that is formed by a cyl...
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JP2023084014A |
To efficiently suppress strong knocking generated in a high-load and high-rotation operation region in a specified engine equipped with a pre-chamber in a combustion chamber.An engine 1 includes a piston 5 which defines a combustion cham...
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JP2023084004A |
To make a heat efficiency improvement request in a middle load operation of an engine and a knocking suppression request in a high load operation compatible.An engine is equipped with a main combustion chamber that is formed by a cylinde...
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JP2023084012A |
To efficiently suppress strong knocking generated in a high-load and high-rotation operation region in a specified engine equipped with a pre-chamber in a combustion chamber.An engine 1 includes a piston 5 which defines a combustion cham...
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JP2023082668A |
To provide a large engine hardly affected by knocking.In a large engine including at least one cylinder 1 in which a piston 3 is arranged for a reciprocating movement along a cylinder axis A between a top dead center position and a botto...
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JP2023081535A |
To provide a spark plug for an internal combustion engine, the spark plug enabling stable combustibility to be obtained in an operation region of the internal combustion engine from low loading to high loading, and an internal combustion...
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JP7288585B2 |
To provide an engine system capable of surely burning an air-fuel mixture in a main combustion chamber and improving heat efficiency of an engine while suppressing pre-ignition in the engine provided with a sub-chamber.An engine system 1...
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JP7287362B2 |
An engine system S includes an internal combustion engine 1 and a control unit 100. The internal combustion engine includes a main chamber 5 which is defined by a piston 2, a cylinder 3, and a cylinder head 4; a spark plug 10 which is at...
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JP7286711B2 |
A two-stroke uniflow scavenging crosshead internal combustion engine is disclosed. The two-stroke uniflow scavenging crosshead internal combustion engine includes at least one cylinder, a cylinder cover, a piston, a fuel gas supply syste...
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JP2023068723A |
To provide an engine control device capable of sufficiently heating an ignition plug electrode while suppressing an increase in system cost.An ECU 20 controls output of an engine 100 having an ignition device for controlling ignition tim...
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JP7274344B2 |
To provide a spark plug for an internal combustion engine capable of increasing ignitability and an internal combustion engine having the same.A spark plug 1 for an internal combustion engine includes a cylindrical insulator 3, a center ...
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JP2023066893A |
To provide an internal combustion engine and a spark plug therefor which can achieve stable ignitability.Disclosed is an internal combustion engine 10 equipped with a spark plug 1. The spark plug 1 has an insulator 3, a center electrode ...
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JP7272820B2 |
To improve ignition performance to an air-fuel mixture while completing a thermal load to a toch part, in a lean-burn system internal combustion engine having a sub-combustion chamber.A sub-combustion chamber unit 14 is arranged at a cyl...
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JP7267693B2 |
A prechamber arrangement (1) for a cylinder of an internal combustion engine, with a body section (3) for fastening the prechamber arrangement (1) to a cylinder head (2) of a cylinder of the internal combustion engine, and with a nozzle ...
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JP2023518404A |
The present invention relates to a cylinder head (1) having at least one recess (23) for arranging at least one gas valve (20) and at least one spark plug (15), the spark plug (15) being a plug. Reaching into the chamber (17), the spark ...
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JP7263915B2 |
To provide an internal combustion engine and a spark plug which are excellent in ignitability.A spark plug 10 has a housing 2, an insulator 3, a center electrode 4, a ground electrode 5, and an auxiliary chamber formation part 6. Inside ...
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JP7260331B2 |
To improve ignition performance to an air-fuel mixture by accelerating a combustion speed while suppressing a thermal loss of a flame, in a lean-burn system internal combustion engine having a sub-combustion chamber.An intake valve reces...
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JP7260332B2 |
To cut cost and stabilize quality of a lean-burn type internal combustion engine with a pre-combustion chamber without impairing a function of the pre-combustion chamber.A cylinder portion 11 coaxial with a cylinder bore axial center O i...
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JP2023053782A |
To provide a spark plug for an internal combustion engine which enables improvement of productivity while securing heat radiation performance of a plug cover, and to provide the internal combustion engine.A spark plug 1 for an internal c...
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JP7257236B2 |
Provided is a sub-chamber type engine including: a cylinder head that mainly demarcates a main combustion chamber together with a cylinder liner and a piston top; a sub-chamber clasp that is mounted on the cylinder head when a distal-end...
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JP7255673B2 |
An auxiliary-chamber-type internal combustion engine comprises a main chamber, an auxiliary chamber, a communication path, and an injection unit. The injection unit has a plurality of first injection ports that inject fuel into the main ...
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JP7251184B2 |
To control a length of a flame projected from an auxiliary combustion chamber to a main combustion chamber in accordance with an engine load.A gas engine 100 comprises: a communication passage open on a main combustion chamber and an aux...
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JP2023045635A |
To provide a spark plug for internal combustion engine capable of attaining elongation of a lifetime, and an internal combustion engine with the same.In a spark plug 1, a proximal end side face 62 of a ground electrode 6 includes a groun...
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