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JP2016138546A |
To provide a spark ignition engine capable of performing high performance combustion and simultaneously reduction of discharge, and an operational method thereof.This invention comprises some steps for forming combustible mixture by subs...
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JP5939836B2 |
To provide a technology capable of enhancing stability by introducing possibility of changing over a combustion mode from a lean combustion mode where lean mixture gas is combusted into stoichiometric combustion mode to make combustion o...
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JP2016109102A |
To accurately calculate an air-fuel ratio.A control device, when an engine is operated in a stoichiometric region (YES at S100), executes control processing including the steps of: acquiring a command value for a supply term of fuel of a...
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JP5920317B2 |
Auxiliary chamber type internal combustion engine has a main combustion chamber and an auxiliary chamber having an injection port through which the main combustion chamber communicates. The auxiliary chamber has a passage sectional area ...
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JP2016079968A |
To clarify characteristics and disadvantages of an internal combustion engine fuel hole nozzle required for performing a combustion of EFI jump spark ignition type internal combustion engine, diminish them and to develop the internal com...
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JP5915458B2 |
To provide a combustion chamber structure of a diesel engine capable of improving performance thereof throughout a whole region from low rotation to high rotation.A combustion chamber structure of a diesel engine 10 comprises: a main cha...
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JP5916372B2 |
To provide a sub-chamber engine capable of properly preventing misfire, and preventing excessive temperature increase of oxidation catalyst even when the oxidation catalyst is provided in an exhaust passage.A plurality of main chambers 1...
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JP5878982B2 |
A combustion stabilization device (100) is applied to a prechamber gas engine (1) that includes a combustion chamber (32) having a main chamber (33) and a prechamber (34) connected to the main chamber (33) and that includes an ignition d...
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JP5872335B2 |
To provide a sub chamber type gas engine capable of changing a gas pressure acting on a sub chamber without generating delay to the generation of a new operation state.A sub chamber type gas engine 1 having a main pressure adjusting valv...
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JP5868233B2 |
To eliminate the occurrence of operational failure by high temperature oxidation, burning damage and carbon.A hanging bell-shaped valve body 32 for closing a valve receiving seat part 23, is arranged in a valve hole 31 formed between the...
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JP2015214963A |
To improve energy saving and low pollution related to an internal combustion engine through lean and fine formation of injection fuel, an air mixing condition and a combustion chamber structure.This invention constitutes a lean fuel inje...
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JP5826095B2 |
To provide a method of operating an auxiliary chamber type gas engine capable of preventing misfire from occurring by controlling the combustion concentration in an auxiliary chamber while maintaining a sufficient engine power output by ...
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JP5828037B2 |
Disclosed herein is a precombustion chamber structure for a gas engine. The precombustion chamber structure is configured to facilitate disassembly of a precombustion chamber tip, thus making maintenance, repair or inspection of the prec...
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JP2015187419A |
To avoid a problem of the repetition of accidental fire resulting from a fuel adhering to electrode parts of an ignition plug in a direct-fuel-injection internal combustion engine.An internal combustion engine that is a direct-fuel-injec...
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JP2015187392A |
To complete starting a direct-fuel-injection internal combustion engine as early as possible while suppressing the occurrence of undesired pre-ignition at a time of starting the engine.An internal combustion engine that is a direct-fuel-...
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JP2015187391A |
To suppress the occurrence of undesired pre-ignition at a time of starting an internal combustion engine.An internal combustion engine that can implement active ignition for producing plasmas in a combustion chamber of each cylinder by t...
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JP5779521B2 |
To provide an auxiliary chamber type combustion chamber of a diesel engine, capable of reducing fuel consumption ratio and combustion noise.In an auxiliary chamber type combustion chamber of a diesel engine, an auxiliary chamber 1 and a ...
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JP5768984B2 |
The aim of the invention is to improve the efficiency of an axial-piston motor. To this end, the axial-piston motor comprises at least one compressor cylinder, at least one working cylinder and at least one pressure line guiding the comp...
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JP5744862B2 |
An internal combustion engine having two combustion chambers separated by separate valves from each piston cylinder and wherein each cylinder has a suction valve and an exhaust valve and each combustion chamber has at least one fuel nozz...
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JP2015117581A |
To provide a gas engine capable of improving ignitability to an air-fuel mixture while reducing pressure loss of intake air and exhaust air, by largely securing cross-sectional areas of an exhaust port and an intake port.A gas engine inc...
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JP2015117582A |
To prevent degradation of environmental resistance and fuel consumption rate by improving accuracy in positioning a cap to a cylinder head while suppressing cost-up.A gas engine includes a cylinder head 30, a pre-chamber cap 43 inserted ...
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JP5711443B2 |
The material has a chemical composition expressed by: (Cr xNi yA z)N k, where x+y+z = 100%. The component A z comprises one or more of La, Ce, Y, Hf, Sc, Si, C, S P, Al, Zr, B, Mo, Fe, Mn, O and the rare earths. The chromium content is 5...
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JP2015063991A |
To provide an arrangement comprising a cylinder head and a prechamber system, which extends the life.An arrangement comprises a cylinder head 1 and a prechamber system 2 for an internal combustion engine. The cylinder head has a flame pl...
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JP2015055185A |
To provide a gas engine which efficiently exhausts an exhaust gas in an ignition chamber and improves the durability.A gas engine 1 includes: a combustion chamber 2 into which an air fuel mixture M, in which a fuel gas and air are mixed,...
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JP2015055184A |
To provide a gas engine which burns a lean mixture in an ignition chamber thereby improving the durability.A gas engine 1 includes: a combustion chamber 2 into which an air fuel mixture M, in which a fuel gas and air are mixed, is suctio...
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JP2015021391A |
To provide an internal combustion engine capable of reliably burning all of mixed gas existing in a main combustion chamber.A gas engine 1 has a cylinder 3 and a piston 4 which form a main combustion chamber 7. A subsidiary combustion ch...
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JP5655697B2 |
To provide a sub-chamber type gas engine, which is low-cost, and in which a supply amount of fuel gas is accurately controlled.The sub-chamber type gas engine 1 includes: cylinders 2a to 2d; pistons 3 movably housed in the cylinders 2a t...
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JP5647588B2 |
To more certainly increase ejection length of flame to attain excellent ignitability.An ignition plug 1 includes: a center electrode 5 which extends in a direction of an axial line CL1; an insulator 2 into which the center electrode 5 is...
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JP5649160B2 |
To prevent generation of preignition and damage to an engine, by detecting a phenomenon possibly leading to preignition and performing an operation for preventing the preignition.A spark plug 6 is installed in a cylinder head 5 such that...
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JP5644663B2 |
An internal combustion engine is provided with a heat-generation chamber disposed so as to be adjacent to a combustion chamber, a heat-generation chamber valve capable of setting up either a communicating state or a shut-down state betwe...
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JP5644998B2 |
To provide an engine ignition device capable of stably supplying a mixture from an electrode pair with a short distance between the electrodes to an electrode pair with a long distance between the electrodes using the flow of the mixture...
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JP2014238089A |
To improve an ignition device for removing disadvantages.An ignition device (1) is proposed for igniting a gaseous mixture in a main combustion chamber (11) of an internal combustion engine driven by using gas. The ignition device (1) co...
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JP5640524B2 |
To provide a diesel engine that can reduce an NOx exhaust amount without causing an increase of a part cost and the enlargement of an engine size.In the diesel engine having a sub-combustion chamber communicating to a main combustion cha...
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JP5597726B2 |
A pre-chamber arrangement to be fitted onto the cylinder head (2) of a combustion engine (1), which comprises a separate body portion (4) and nozzle portion (5), which are supported by one another and which together substantially define ...
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JP5598763B2 |
The engine (1) has a combustion chamber (2) designed to operate with a two-stage combustion, where a fuel-air-mixture is ignited and burned in the combustion chamber. The combustion chamber is divided into a processing chamber (5) and a ...
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JP2014525546A |
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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JP5585300B2 |
To provide an auxiliary chamber type gas engine capable of reducing backflow of unburned gas from a main combustion chamber to an auxiliary chamber with a simple structure.The auxiliary chamber type gas engine includes a piston 6 movably...
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JP5564538B2 |
To provide an engine combustion chamber structure capable of providing a high thermal efficiency.The structure of the engine combustion chamber comprises a plurality of ignition parts 25 provided in the combustion chamber in such an arra...
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JP5561957B2 |
To provide a reliable auxiliary chamber type ignition device executing ignition by injecting flame into a main combustion chamber from an auxiliary chamber communicating to the main combustion chamber of the internal combustion engine, s...
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JP5562927B2 |
In an auxiliary chamber gas supplying device for a gas engine including an auxiliary chamber gas supply path (5, 14, 28, and 29) through which fuel gas is supplied to an auxiliary chamber (4), the auxiliary chamber gas supply path is con...
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JP5555030B2 |
To provide an engine with a prechamber type ignition plug which can be quickly and stably started even during the startup.This engine with an ignition plug at the distal end of which an ignition chamber is formed includes a heating means...
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JP5555090B2 |
To prevent a preignition thereby prevent damage of an engine.An ignition plug comprises: a plug body 13 having a center electrode 11 and an earth electrode 12; and a plug cover 14 provided on the plug body 13 so as to cover the center el...
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JP5551918B2 |
To control ignition timing in an ignition chamber appropriately when an ignition plug is not used while reducing the use frequency of the ignition plug to suppress deterioration in its electrode. In this engine 1, the ignition plug 11 in...
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JP5543540B2 |
To provide an engine that has a degree of freedom in a layout position of an ignition plug, and can almost uniformly disperse flares injected from injection holes.The ignition plug spark-ignites mixed air flowing from a combustion chambe...
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JP5537323B2 |
To provide a method of operating an engine by which an air-fuel mixture in an ignition chamber is properly ignited and the occurrence of pre-ignition is prevented regardless of the engine load being high or low.An ignition plug 12 in whi...
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JP5527119B2 |
To provide an internal combustion engine that a variable volume device having a cylindrical part and a moving member which moves in the cylindrical part, and estimates an amount of a lubricant arranged in the variable volume device.The i...
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JP2014101824A |
To improve combustion efficiency by increasing an average maximum cylinder internal pressure by suppressing intensity of flame generated in a sub-chamber, and fluctuation in every cycle, of combustion in a main combustion chamber by the ...
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JP2014084742A |
To provide a gas engine with an auxiliary chamber in which heat efficiency of the engine is improved, and occurrence of knocking is suppressed by uniformly mixing torch flame from the auxiliary chamber to a main combustion chamber, with ...
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JP5486645B2 |
To provide an appropriate and stable combustion state while appropriately preventing blow-by of fuel gas from a sub-chamber to a main chamber with a reasonable structure, in a sub-chamber type engine provided with the main chamber facing...
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JP5476309B2 |
The invention relates to a prechamber arrangement to be fitted into the cylinder head (2) of a combustion engine (1), comprising a separate body part(4) and a nozzle part (5), which together mainly define a prechamber (3), which is conne...
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