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JP6883072B2 |
To improve fuel consumption in combustion efficiency and contribute to the problem of exhaust gas.In a cylinder head, a chamber is provided, and a mixed gas of air and combustion gas is put into the cylinder again.SELECTED DRAWING: Figure 6
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JP2021080892A |
To effectively use mixture in a recessed hole.A combustion chamber structure is equipped with a main chamber 17 defined by a piston 13, a cylinder 12, and a cylinder head 14, an ignition plug 20, a plug casing 30 that stores the ignition...
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JP2021067234A |
To favorably control generation of deposit in an area close to an injection hole communicating a main combustion chamber with an auxiliary combustion chamber.An engine comprises: a main combustion chamber 41 facing a piston reciprocating...
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JP6851961B2 |
To provide an indirect injection diesel engine which is improved to suppress the generation of PMs by reviewing and devising the shape of a recess formed in the ceiling wall of a piston.The indirect injection diesel engine includes a mai...
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JP2021038715A |
To provide a technology which can inject a proper flame in response to an operation situation of an engine, in an internal combustion engine with a sub-combustion chamber.A sub-combustion chamber 12 comprises a housing 15 formed with a t...
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JP2021025425A |
To secure toughness of a member forming an auxiliary combustion chamber and prevent generation of soot in the auxiliary combustion chamber to enable more suitable combustion.An engine 1 includes: a main combustion chamber 4 formed betwee...
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JP2021021377A |
To provide an engine system which is advantageous to the improvement of the thermal efficiency of an internal combustion engine.An engine system S comprises an internal combustion engine 1 and a control unit 100. The internal combustion ...
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JP6830045B2 |
To provide a diesel engine improved in thermal efficiency in indirect injection by minimizing a larger heat loss than direct injection by devising surface treatment of each combustion chamber.In a diesel engine, a main combustion chamber...
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JP6830057B2 |
To provide an indirect injection diesel engine which is improved to suppress the generation of PMs by reviewing and devising the shape of a recess formed in the ceiling wall of a piston.The indirect injection diesel engine includes a mai...
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JP2021014851A |
To provide an improved method for cooling a pre-combustion chamber.A two-stroke uniflow scavenging crosshead internal combustion engine comprises at least one cylinder 101, a cylinder cover 112, a piston 103, a fuel gas supply system, a ...
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JP6825553B2 |
An auxiliary chamber (51) having a spark plug (54) and an auxiliary fuel injector is formed at the central part of the top surface of the main combustion chamber (2). When making an air-fuel mixture in the auxiliary chamber (51) burn by ...
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JP6824801B2 |
To provide an auxiliary chamber structure of an internal combustion engine which can inhibit falling of a partition wall member.An auxiliary chamber structure of an internal combustion engine 1 has: a combustion chamber wall surface 7 wh...
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JP6824218B2 |
To provide a sub combustion chamber for an internal combustion engine capable of causing an air-fuel mixture deeper than an air-fuel mixture in a main combustion chamber to flow into the sub and main combustion chambers in a simple confi...
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JP6818077B2 |
To provide a spark plug that can reduce heat loss and improve engine efficiency.When a spark plug 100 is arranged in an internal combustion engine, a point at which the center axis HX of an injection hole 61 intersects with the upper sur...
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JP6810770B2 |
A pre-chamber bottom section (1) for a pre-chamber of a cylinder of an internal combustion engine comprises an ignition chamber lower part (2) with a vertical axis (3) for mixing of gas and air and igniting the gas-air-mixture in a pre-c...
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JP6804373B2 |
To provide an engine capable of maintaining ignition while restraining deterioration of thermal efficiency by maintaining a lean combustion state, for example, even in unstable combustion such as at a starting or at occurrence of combust...
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JP2020197203A |
To provide an internal combustion engine which enables air in a subsidiary chamber to be freshened efficiently after an expansion stroke.An internal combustion engine 31 includes: a cylinder block 34 which defines a cylinder bore 44 whic...
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JP6796471B2 |
A precombustion chamber gas engine includes a main-chamber forming portion forming a main combustion chamber, a precombustion-chamber forming portion forming a precombustion chamber communicating with the main combustion chamber via nozz...
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JP6795377B2 |
To provide a heater device capable of mounting even on an engine block on which special processing for mounting a block heater is not added, and an engine having the heater device.A heater device 40 is applied to an engine having a coola...
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JP6795985B2 |
To provide an auxiliary chamber type gas engine capable of preventing occurrence of knocking caused by local stagnation of flame propagation in a main combustion chamber.An auxiliary chamber type gas engine includes: a main chamber forma...
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JP6768585B2 |
To provide an engine capable of enlarging a lean limit while maintaining sufficient ignition in an ignition chamber even when a supercharging pressure fluctuates.An engine includes an ignition point position adjusting section for adjusti...
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JP6770474B2 |
The invention provides a sub-chamber structure of an internal combustion engine, which can suppress temperature rise of a separation wall part. The sub-chamber structure of the internal combustion engine (1) comprises a combustion chambe...
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JP2020159238A |
To further promote mixing of a natural gas and air while reducing discharge of an unburned gas.A dual fuel engine according to the present invention includes: a cylinder; a piston reciprocating in the cylinder; a cylinder head that faces...
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JP6762712B2 |
This auxiliary chamber type engine is provided with a cylinder, a cylinder head disposed on the top part of the cylinder, and a piston which is arranged to reciprocate inside the cylinder and which defines a main combustion chamber betwe...
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JP6762241B2 |
To provide an auxiliary chamber type gas engine capable of suppressing variation in flame propagation in a main combustion chamber.An auxiliary chamber type gas engine comprises: a main chamber formation part which forms a main combustio...
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JP6757283B2 |
A sub-chamber type gas engine provided with: a main chamber formation section which forms a main combustion chamber; a sub-chamber formation section which forms a sub-chamber communicating with the main combustion chamber via multiple in...
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JP2020133491A |
To suppress occurrence of knocking due to ω tumbling, in an engine in which ω tumbling is generated in a cylinder at the latter half of a compression stroke in a predetermined operation state such as high rotation and high load.An engi...
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JP2020133463A |
To suppress discharge of a particulate material.An auxiliary chamber (51) having an auxiliary fuel injection valve (53) is formed on the top surface of a main combustion chamber (2), and when air-fuel mixture in the auxiliary chamber (51...
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JP2020133464A |
To detect clogging of a communication hole.An auxiliary chamber (51) having an auxiliary fuel injection valve (53) is formed on the top surface of a main combustion chamber (2), and when air-fuel mixture in the auxiliary chamber (51) is ...
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JP2020128713A |
To provide an internal combustion engine that includes a main combustion chamber, an auxiliary chamber and an ignition plug provided so as to perform ignition in the auxiliary chamber, and can strike a balance between suppressing preigni...
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JP6729941B2 |
A system for igniting a mixture in an internal combustion engine includes an elongate plug body generally residing around a center longitudinal axis and adapted to couple to the internal combustion engine. The system also includes a firs...
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JP2020097896A |
To reduce vibration and noise during high load operation in an internal combustion engine provided with a main combustion chamber and an auxiliary combustion chamber.When an internal combustion engine 2 is operated under a high load of a...
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JP6714198B2 |
To stably ignite mixed gas in a main chamber in an engine mounted with the main chamber and a sub-chamber.A four-stroke gas engine 1 comprises: a main chamber 8; a sub-chamber 20 which is separated from the main chamber with a bulkhead m...
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JP2020094554A |
To securely predict favorable combustion irrespective of an EGR rate.A control device of an internal combustion engine with a sub-chamber comprises a main combustion chamber (2), the sub-chamber (53) communicating with the inside of the ...
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JP2020084844A |
To provide an auxiliary chamber type diesel engine in which fuel injected from an injector is finely mixed with air in an auxiliary combustion chamber.An injector 23 diffuses and injects fuel in a direction orthogonal to a vortex flow of...
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JP2020084845A |
To provide an indirect injection diesel engine that has regenerative function but does not complicate the fuel system thereof.An indirect injection diesel engine is provided with an injector 24 capable of jetting fuel at optional timing ...
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JP2020084869A |
To suppress the generation of early ignition.A cylinder head (3) is formed with an auxiliary chamber (12) surrounded by a thin-wall auxiliary chamber wall (11) projecting out from an inner wall surface of the cylinder head (3) into a mai...
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JP2020084870A |
To detect the erroneous attachment of an ignition plug.A flame ejector (11) equipped with an auxiliary chamber (12) is screwed in attaching holes (16 and 20) formed on a cylinder head (3). Sensors (16 and 20) for detecting a combustion s...
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JP2020084891A |
To predict the occurrence of misfire.On a top surface of a main combustion chamber (2), an auxiliary chamber (51) is formed, and a mixture in the main combustion chamber (2) is burned by jet flame blowing out from a communication hole (5...
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JP2020084847A |
To provide an indirect injection diesel engine in which fuel jetted from an injector is preferably mixed with air inside a subsidiary combustion chamber.In an indirect injection diesel engine, a corner space part 32 where a forced swirl ...
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JP6699050B2 |
A gasoline internal combustion engine has, for each cylinder (2), a combustion chamber (4) and a combustion pre-chamber (13) communicating with the combustion chamber (4). A first spark plug (11) is associated with the combustion pre-cha...
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JP6674268B2 |
To improve the ignition performance of a mixture in an auxiliary chamber and a main chamber, in a gas engine equipped with the auxiliary chamber.A gas engine has a main chamber 8 defined by a wall surface of a cylinder 4 and a crown surf...
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JP6672348B2 |
To suppress or improve the phenomenon that a valve body of a plate type check valve is fastened due to carbon, the plate type check valve configured to supply pilot fuel gas to a precombustion chamber provided in a main combustion chambe...
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JP6640178B2 |
To provide an internal combustion engine realizing an auxiliary chamber capable of being easily applied to a cylinder having a bore of a small diameter by contributing on miniaturization of the auxiliary chamber.An internal combustion en...
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JP2020017341A |
To provide an ignition device with an auxiliary chamber, achieving an improvement in ignitability and a reduction in manufacturing cost.An ignition device 1 includes a spark plug 20 in an auxiliary chamber formation part 10 that forms an...
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JP6633270B2 |
To provide a uniflow scavenging two-cycle engine for performing appropriate scavenging in response to a compression ratio.A uniflow scavenging two-cycle engine is configured so that a scavenging port 126 comprises a swirl guide part 126a...
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JP6630576B2 |
A precombustion-chamber type gas engine, comprising includes: a check valve disposed in the precombustion-chamber gas supply passage and configured to block a backflow of fuel gas from a precombustion chamber; a supply pressure control v...
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JP2019218869A |
To provide an auxiliary chamber type internal combustion engine with improved ignitability.An auxiliary chamber type internal combustion engine 1 has a spark plug 10, an auxiliary chamber 20 formed at a tip of the spark plug 10, a main c...
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JP2019534974A |
It contains multiple cylinders, at least one cylinder (102) is made to operate in a two-stroke cycle during use, and at least one cylinder (104) is made to operate in a four-stroke cycle. , International Patent Gazette WO / 2007/080366 i...
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JP2019206960A |
To provide an internal combustion engine superior in ignitability.An internal combustion engine 1 includes an ignition plug 2 having a distal end exposed to a combustion chamber 11, a fuel injection valve 3 directly injecting fuel into t...
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