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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 internalcombustion engine, and with a nozzle s...
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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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JP2023045547A |
To provide an auxiliary chamber-type gas engine in which stable combustion in a main combustion chamber can be materialized, even when pressure difference between an intake pressure and a pressure of an auxiliary chamber changes.An auxil...
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JP2023512901A |
A back-burning, valve-controlled ignition prechamber (1) comprises a stratified cavity (6) into which a pilot charge injector (32) opens, contains an ignition pilot charge (27) and an ignition means (11). ) is housed in the layered cavit...
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JP2023040901A |
To smoothly introduce a new air-fuel mixture from outside to an auxiliary chamber to improve ignitability in an internal combustion engine having a cap in which the auxiliary chamber accommodating at least a center electrode of an igniti...
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JP2023040900A |
To reduce the sizes of a cap and a plug hole for mounting an ignition plug to a cylinder head in an internal combustion engine including the cap in which an auxiliary chamber accommodating a center electrode and a ground electrode is pro...
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JP7243430B2 |
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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JP7238459B2 |
To suppress accidental fire under a low load situation in a gasoline engine adopting premixed compression ignition.An engine controller estimates a combustion chamber wall surface temperature of a cylinder 12 in low-load HCCI control; wh...
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JP7238970B2 |
This fuel injection control system for an auxiliary-chamber-type internal combustion engine comprises a main chamber, an auxiliary chamber, a communication passage, an injection unit, and a control unit. The auxiliary chamber is separate...
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JP2023032007A |
To provide a spark plug for an internal combustion engine, in which overheat of a plug cover can be suppressed.In a spark plug 1, a nozzle hole 51 is formed in a plug cover 5. A screw portion 21 having a nominal diameter of M14 or less i...
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JP2023030452A |
To avoid an increase in a fuel injection amount while preventing a miss fire during a cold start in an internal combustion engine having an auxiliary combustion chamber.An internal combustion engine control device (10) comprises: a combu...
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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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JP7226638B2 |
An auxiliary chamber engine is provided with: a main combustion chamber (21); an auxiliary chamber (22) which is partitioned from the main combustion chamber (21) via a partition wall (23); a plurality of connecting passages (24) provide...
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JP7226639B2 |
This sub-chamber spark ignition engine comprises a main chamber (21), a sub-chamber (22) sectioned by the main chamber (21) and a dividing wall (23), a plurality of communication paths (24) provided to the dividing wall (23), a fuel inje...
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JP7225439B2 |
The present subject matter relates to a control unit and a method for controlling an ignition device with a fuel-fed prechamber in an internal combustion engine, wherein the control unit controls a jet strength of reactive jets entering ...
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JP7225438B2 |
The present subject matter relates to a control unit and a method for controlling the temperature of a fuel-fed prechamber of an ignition device included in an internal combustion engine. In order to avoid inadmissible high temperatures ...
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