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JP2018131912A |
To further improve combustibility in a main combustion chamber in an internal combustion engine that performs spark ignition in an auxiliary chamber provided in the main combustion chamber.An internal combustion engine comprises a main c...
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JP6368853B2 |
Air/fuel mixture is received from a combustion chamber of the internal combustion engine into an enclosure about a flame kernel initiation gap between a first ignition body and a second ignition body. Air/fuel mixture received into the e...
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JP2018115589A |
To improve combustion performance in an internal combustion engine in which flame is jetted from an auxiliary chamber to a main combustion chamber.An internal combustion engine includes a main combustion chamber, an auxiliary chamber 50 ...
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JP2018115588A |
To improve ignitability in utilizing an EGR, in an internal combustion engine starting combustion by executing spark ignition in an auxiliary chamber.An internal combustion engine includes: a main combustion chamber 10; an auxiliary cham...
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JP2018096270A |
To provide a gas engine control device and a control method capable of performing an operation of a gas engine appropriately in response to a variation of calorific power of the fuel gas even if the calorific power of fuel gas is not adj...
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JP2018091267A |
To provide a controller of an internal combustion engine capable of suppressing occurrence of deposit in a fuel injector and improving control accuracy of fuel injection, in a case of causing the fuel injector of dividedly executing fuel...
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JP6337717B2 |
To provide an auxiliary chamber type internal combustion engine which can form a stratified air-fuel mixture in a main combustion chamber without installing an air injection valve in an auxiliary combustion chamber, and can properly mana...
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JP6329926B2 |
An ignition system 10 for an internal combustion engine 12 having at least one combustion chamber 22 where the ignition system 10 includes a housing 42, an ignition device 86, an injector 90, and a pre-chamber 50 having a nozzle 92 dispo...
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JP2018076844A |
To provide an internal combustion engine.A mesh-fixing internal combustion type internal combustion engine has a pressure control preliminary chamber for providing internal combustion which is controlled by a substantially constant press...
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JP6319125B2 |
To stabilize a behavior of a check valve used for an auxiliary chamber type gas engine with a simple structure.An auxiliary chamber type gas engine 1 having a main combustion chamber 11 and an auxiliary combustion chamber 13 connected to...
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JP6320111B2 |
To provide an engine capable of improving the operation stability and the durability by inhibiting the occurrence of preignition.In an engine, an ignition plug 30 using the inside of an ignition cover 35, which covers an ignition point, ...
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JP6307102B2 |
A cylinder head comprising a cavity for receiving a pre-chamber gas valve, wherein an opening extending substantially or completely around the pre-chamber gas valve forms an annular passage with a wall of the cavity, that surrounds the p...
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JP6293720B2 |
Generally, embodiments of a pre-chamber unit having a pre-combustion chamber including one or more induction ports in a configuration which achieves flow fields and flow field forces inside the pre-combustion chamber which act to direct ...
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JP6278779B2 |
To provide an engine capable of accelerating the solution of an accidental fire trouble even if it is equipped with a pre-chamber ignition plug.Control means 3 is constituted to control air-fuel ratio adjusting means 11 for lowering an e...
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JP6266663B2 |
An internal combustion engine including a pre-chamber connected to a pre-chamber feed conduit for supplying the pre-chamber with a fuel (F), and a main combustion chamber. Fuel (F) in the main combustion chamber can be ignited by an igni...
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JP2018003831A |
To improve a starting characteristic of an internal combustion engine.A method for starting an internal combustion engine 1 is a step for providing an internal combustion engine having at least one cylinder 2 and a piston 3 supported wit...
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JP2017214922A |
To create a novel method and control device for operating a gas engine.A cylinder 11 has main combustion chambers and precombustion chambers, and a part of exhaust gas 23 can be led to the cylinder 11 via an exhaust gas recirculation par...
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JP6239402B2 |
The objective of the present invention is to improve operating efficiency and reduce combustion fluctuation in a gas engine that is equipped with a combustion chamber and an auxiliary chamber and that controls the supply of a fuel gas wi...
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JP6236520B2 |
In certain embodiments with large size prechambers and/or with prechambers that have large spark-gap electrode assemblies, a poor scavenge of the crevice volume may cause deterioration of the preignition margin, which then may limit the ...
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JP6196695B2 |
To improve ignitability of a pre-chamber spark plug and improve durability.The pre-chamber spark plug includes: a terminal cap 116 mounted to a shell 112; an insulator 104 disposed in the shell; a center electrode 102 extending from the ...
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JP2017137853A |
To improve the ignition performance of a mixture in an auxiliary chamber and a main chamber, and to enable the leaning of a mixture of a main chamber, in a gas engine equipped with the auxiliary chamber.A gas engine 1 with 4-stroke, has ...
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JP6175143B2 |
In certain embodiments, a two-stage precombustion chamber may be used to reduce engine NOx levels, with fueled precombustion chambers, while maintaining comparable engine power output and thermal efficiency. One or more fuel admission po...
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JP6158375B2 |
A prechamber spark plug may have a prechamber having a pre-determined aspect ratio and hole pattern to achieve particular combustion performance characteristics. The aspect ratio and hole pattern may induce a rotational flow of fuel-air ...
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JP6148601B2 |
To provide an auxiliary chamber type gas engine capable of preventing the deterioration of fuel consumption even when fuel gas having different composition is supplied.An auxiliary chamber type gas engine 100 is equipped with an ECU 50 w...
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JP6146339B2 |
To provide an indirect injection engine capable of supplying fuel to a main combustion chamber and a sub-combustion chamber from one fuel supply system, and setting equivalence ratios in the main combustion chamber and the sub-combustion...
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JP2017510745A |
The system has an engine. The engine has a combustion chamber, a pre-combustion chamber away from the combustion chamber, and an opening connecting the combustion chamber and the pre-combustion chamber. The engine also has a first fuel s...
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JP6095181B2 |
An internal combustion engine, in particular a gas Otto-cycle engine, comprising a plurality of cylinders, wherein each cylinder is provided with a respective pre-chamber, a pre-chamber gas supply conduit through which the pre-chambers c...
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JP6080224B2 |
The invention relates a two-stroke internal combustion engine (10) comprising at least one cylinder (20) with a piston (24) arranged reciprocateably between its top dead center and bottom dead center, and a cylinder cover (26) defining a...
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JP6078056B2 |
The purpose of the present invention is to provide an ammonia engine which can achieve an enhanced combustion efficiency. In this ammonia engine, a catalyst member (6) which can decompose the ammonia gas fed as fuel into nitrogen gas and...
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JP6076662B2 |
The purpose of the invention is to provide a prechamber gas engine such that occurrences of knocking are suppressed, said prechamber gas engine (1) comprising: a cylinder (2); a cylinder head (4); a piston (6) which defines a main combus...
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JP6072284B2 |
An object is to improve a trap effect to trap ignition fuel gas supplied to a pre-combustion chamber and reduce an amount of non-combusted ignition fuel gas flowing out of the pre-combustion chamber to suppress a decrease in combustion e...
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JP6071619B2 |
To provide a gas engine system capable of improving the responsiveness to a change of a load.The gas engine system includes a gas engine body 11 for combusting mixed gas of air and fuel gas supplied to a main combustion chamber 15, a mix...
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JP6066667B2 |
To provide a method of controlling an auxiliary chamber type gas engine, by which a fuel gas supply amount to an auxiliary chamber can be controlled by directly predicting an excess air ratio of a main combustion chamber based on a signa...
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JP6069032B2 |
A spark ignition engine includes a main combustion chamber configured to suction a mixture through an intake port, a pre-chamber configured to communicate with the main combustion chamber, an auxiliary cylinder configured to communicate ...
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JP6069062B2 |
A fuel supply controlling device (100) includes: an auxiliary chamber fuel supply valve (18) configured to supply a gaseous fuel to an auxiliary chamber (24); a non-return valve (19) interposed between the auxiliary chamber fuel supply v...
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JP6060260B2 |
Air/fuel mixture is received from a combustion chamber of the internal combustion engine into an enclosure about a flame kernel initiation gap between a first ignition body and a second ignition body. Air/fuel mixture received into the e...
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JP2017004882A |
To improve ignition performance of an ignition plug.An ignition plug 10 to be used for an internal combustion engine comprises: a center electrode 20 including a discharge part; an insulator 21 which is provided outside of the center ele...
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JP2017002728A |
To quickly activate a spark ignition type gas engine under a high-humidity environment.A spark ignition type gas engine includes: an ignition plug having an electrode arranged in a combustion chamber; a nozzle opened to the combustion ch...
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JP6052060B2 |
To provide an abnormal condition detection device of an auxiliary chamber type engine capable of inexpensively detecting an abnormal condition of a fuel system component of a main chamber or a fuel system component of an auxiliary chambe...
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JP6049450B2 |
To provide a precombustion chamber type gas engine where combustion stability of an engine is enhanced by increasing flow velocity of combustion flame injected from an injection hole so as to sufficiently combust lean mixture air inside ...
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JP6039503B2 |
To provide an internal combustion engine capable of improving thermal efficiency.An engine 1 for gas fuel comprises a first piston 41 and a second piston 51 forming a main combustion chamber 11 in which air-fuel mixture containing gas fu...
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JP6038339B2 |
To provide a piston for a prechamber-type gas engine and a prechamber-type gas engine taking into consideration the shape of the piston top surface portion so that the region where flame propagation due to torch jet is delayed, a piston ...
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JP6030473B2 |
To improve ignitability of an ignition plug.An ignition plug has at least a pair of electrodes to generate spark discharge. The ignition plug has a center axis, and is provided with a plug cover having a space at a tip side in the center...
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JP2016186283A |
To provide a diesel engine having a divided chamber type combustion chamber and improved to achieve a satisfactory combustion state and stabilization of combustion and thereby achieving reduction of variation in performance and improveme...
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JP6016666B2 |
To provide a gas engine system capable of being smoothly started without causing a reduction in the thermal efficiency.The gas engine system includes a gas engine body 11 for igniting sub-chamber gas supplied into a sub chamber 16 and in...
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JP6016682B2 |
An object is to provide a precombustion-chamber fuel supply device for a precombustion-chamber gas engine having high reliability and low operation cost by reducing outflow of fuel gas to the precombustion chamber in the exhaust stroke a...
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JP6013295B2 |
To provide a gas engine and a method for designing a plug cover in the gas engine capable of preventing misfire and deterioration in fuel economy, and allowing suitable design for effective combustion of air-fuel mixture, when an ignitio...
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JP6002234B2 |
A combustion stabilization device (100) equipped with: a primary chamber fuel supply device (21) that supplies gas fuel to a primary chamber (33); an auxiliary chamber fuel supply device (22) that supplies gas fuel to an auxiliary chambe...
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JP5995748B2 |
To provide an auxiliary chamber type gas engine and an operation control method thereof capable of improving a flame propagation combustion efficiency and low emission even in a lean mixture.In the auxiliary chamber type gas engine, a la...
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JP2016160934A |
To provide a pre-chamber gas valve which is improved over the state of the art, and a process for producing a pre-chamber gas valve.A pre-chamber gas valve (5) includes a valve body (24), at least one valve spring (15), and at least one ...
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