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JP2005171975 |
To provide a combustion control method and a combustion control device in a gas engine capable of obtaining stable ignition combustion in all operating ranges of the engine, when gas having a low calorific value is used as main fuel gas ...
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JP2005133664 |
To provide an engine capable of supplying fuel directly into a combustion chamber at a low pressure with the following simple structure: the engine is equipped with an intake passage for introducing fresh air into the combustion chamber,...
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JP2005127302 |
To provide a two-stage combustion system for a gasoline engine, burning an air-fuel mixture in two-stage for the purpose of reducing difference between maximum and minimum rotational force of a crankshaft.This combustion system for the g...
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JP3676964 |
To enable arbitrary selection from gas operation and diesel operation, to reduce NOx even in diesel operation, to enable a change and adjustment of a compression ratio according to an operation state in gas operation, and to execute oper...
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JP2005113806 |
To provide an indirect injection internal combustion engine for reducing bulk quench to reduce an emission amount of unburnt hydro carbon (UHC), while keeping high combustion efficiency comparable with that of an indirect injection inter...
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JP3672805 |
To perform smooth starting of an engine by effecting reliable compression ignition through injection of pilot oil from a liquid fuel injection valve. The cylinder head of a pilot ignition gas engine (a gas engine) 10 is provided with a p...
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JP2005098246 |
To provide a sealing structure having a static seal function for low pressure fuel and a dynamic seal function for high temperature high pressure combustion gas at an auxiliary chamber valve support part of a gas engine.In a sealing stru...
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JP3663912 |
To prevent combustion gas from remaining in the inside of a subsidiary chamber in this subsidiary chamber type gas engine, by forming two communicating openings wherein respective control valves are arranged in the subsidiary chamber, su...
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JP2005090381 |
To perform ignition and combustion securely, enable stable combustion operation, reduce exhaust of nitrogen oxide, and improve thermal efficiency.A precombustion chamber 6 of this pilot oil ignition gas engine is provided with a precombu...
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JP3653964 |
To provide a control valve drive unit in an engine, which drives the opening and closing of the control valve provided in the connecting holes that connect the main chamber and the sub chamber, as well as drives the lift that forces igni...
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JP3653819 |
To realize a subsidiary combustion chamber-type gas engine provided with an ignition device, for changing the ignition point in a subsidiary combustion chamber according to engine load, and stabilizing combustion. In a subsidiary combust...
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JP3651145 |
To enable gas fuel in a counter chamber to be compressible and volumetrically variable so as to reduce pumping loss, to enhance the expansion efficiency and the thermal efficiency. A variable compression ratio counter chamber type gas en...
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JP2005054746 |
To actualize a wider operable region than usual one with premixture compression ignition and properly control an ignition timing.This diesel engine of a premixture compression ignition type comprises a control chamber 10 provided at a po...
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JP2005054749 |
To actualize a wider operable region than usual one with premixture compression ignition and properly control an ignition timing.This diesel engine of a premixture compression ignition type comprises a control chamber 10 provided between...
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JP2005048717 |
To provide a swirl chamber type combustion chamber of a diesel engine, heightening the utilization factor of air in the central part of a swirl chamber through an auxiliary communicating hole.In this swirl chamber type combustion chamber...
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JP3647355 |
To provide operation technique sufficiently mixing a fuel for a prechamber and new air fed from a main combustion chamber 2 in the prechamber 7 and improving the efficiency in a precombustion engine feeding prechamber fuel to the precham...
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JP3639799 |
To attain the improvement of air using ratio in a main chamber, the contribution to the higher speed rotation of an engine, and the enhancement of combustion performance by sufficiently carrying a combustion gas flow to the rear part are...
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JP3618626 |
To surely achieve an improvement of igniting and combusting abilities by providing an auxiliary injection hole 12 without lowering an output and increasing a cost when the swirl flow A of the compressed air pushed up after passing from a...
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JP2004308656 |
To provide an internal combustion engine with a spare combustion chamber and an ignition control device which improve unstable combustion at the time of a low load, especially deceleration.The internal combustion engine with the ignition...
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JP2004308513 |
To increase output, reduce combustion noise and to clean exhaust gas of a two-cycle internal combustion engine having a scavenging port 5 and an exhaust port 6 of a cylinder 2 structured in a cross flow scavenging type or a loop scavengi...
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JP2004285928 |
To achieve high compression ratio as in a diesel cycle and achieve a technique for operating with extremely high efficiency in a subsidiary chamber for jetting out flame jet in a main combustion chamber from the subsidiary chamber via a ...
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JP2004278536 |
To provide a reciprocating internal combustion engine for improving performance as compared with a known engine.The reciprocating internal combustion engine has at least one double cylinder unit 17. Pistons 10, 12 are arranged at individ...
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JP2004278428 |
To realize a technology for injecting fuel into a combustion chamber and excellently self-igniting the fuel even when the fuel of low ignitability such as LP gas is used without need of any expensive additives in a diesel engine 100 havi...
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JP2004257257 |
To provide a gas engine capable of changing an air excess ratio in a combustion chamber with fine responsiveness, and stabilizing combustion during start up speedily.There is provided a fuel supply means supplying fuel to the vicinity of...
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JP2004257268 |
To enhance combustion efficiency by uniforming combustion and reducing the volume of a cavity right under an auxiliary chamber and a crevice volume to reduce emission of NOx and unburned hydrocarbon, prevent a ring carrier part from bein...
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JP2004251195 |
To provide a gas engine capable of sufficiently reducing NOx.This gas engine is provided with a main combustion chamber 16 formed in a cylinder 13 to obtain a driving output by burning the lean gas supplied from the outside, an auxiliary...
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JP2004251194 |
To provide a gas engine capable of sufficiently reducing NOx in an auxiliary combustion chamber.This gas engine is provided with a main combustion chamber 16 formed in a cylinder 13 to obtain a driving output by burning the lean gas supp...
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JP2004251213 |
To improve combustion efficiency by uniforming combustion and reduce the exhaust amount of NOx and unburned hydrocarbon.In this auxiliary chamber type internal combustion engine having a main combustion chamber 6 and an auxiliary chamber...
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JP2004218645 |
To provide an internal-combustion engine having high efficiency capable of operating while emitting less detrimental substances.The internal-combustion engine including at least one cylinder in which a mixture gas of fuel and air in the ...
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JP2004211633 |
To provide a subsidiary chamber type engine operable with extremely high efficiency by realizing the high compression ratio equal to a diesel engine.In this subsidiary chamber type engine 100, fresh air I sucked in a main chamber 1 is co...
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JP2004211632 |
To provide an engine for realizing low NOx and high efficiency by maintaining a desirable operation state, and further making an air-fuel mixture lean even if an operation state of an engine changes.This engine has a combustion chamber c...
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JP2004204835 |
To assure stable combustion with a simple structure by securely scavenging the inside of a sub combustion chamber.The spark ignition type internal combustion engine is provided with the sub combustion chamber 12 separated from a main com...
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JP2004197625 |
To provide a pilot ignition gas-engine which has a high durability and improved maintainability at a low cost for driving an engine with a sure and improved pilot-ignitability throughout the range of the drive from an engine start to a r...
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JP2004197623 |
To substantialize stable combustion over the entire driving region of a gas engine equipped with an ignition plug and a fuel injection valve for oil fuel injection inside a sub chamber, and to improve durability of the ignition plug by p...
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JP2004197751 |
To provide technology for greatly reducing the emission of nitrogen oxide and hydrocarbon from a gas engine.The gas engine comprises a high pressure gas accumulator 2, a blower 8, a distribution header 3 arranged between the high pressur...
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JP2004190640 |
To provide a gas engine capable of reducing throttle loss.First and second fuel gas supply pipes 111 and 112 to which first and second flow rate control valves 81 and 82 are respectively attached are connected to first and second fuel ga...
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JP2004162687 |
To largely and effectively reduce NOx and smoke without excessively increasing HC and CO.Two sub-injection holes 4 are directed from a main combustion chamber toward a swirl chamber 2 to be vertically raised roughly in parallel to a cyli...
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JP2004156482 |
To provide an economically superior gas engine which prevents solidified siloxane from adhering to an electrode of an ignition plug, and enables the ignition plug to prolong its service life.The gas engine is equipped with a main combust...
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JP2004116338 |
To combine the lowering of concentration of blue-white smoke generated in exhaust gas at the cold start of an engine, and the suppression of degradation of combustion performance following the fall of a compression ratio caused by expans...
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JP2004116337 |
To reduce the concentration of blue-white smoke generated in exhaust gas and to shorten the generation time of blue-white smoke by suppressing the occurrence of temperature drop in a swirl chamber at the cold start of a diesel engine, an...
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JP2004116339 |
To lower the concentration of blue-white smoke generated in exhaust gas and to shorten the generation time of blue-white smoke by increasing the temperature rise speed in a swirl chamber at the cold start of a diesel engine, and to suppr...
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JP2004116438 |
To improve cold engine start performance of a diesel engine by making it hard for a frame closure peripheral wall to be cooled by hole peripheral wall of a frame closure attaching hole and to prevent deformation and deterioration of the ...
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JP3541502 |
To improve heat resistance and oxidation resistance of a member adopted to a combusion part of an engine. A heat resistant member is composed of ferrite heat resistant cast steel having C: 0.1 to 0.4wt.%, Si: 1.0wt.% or lower, Mn: 0.6% o...
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JP2004108158 |
To improve combustion performance to improve fuel consumption, smoke, and output by improving mixing performance in a swirl chamber, and improving an air utilization factor in a front side space in a nozzle hole in a main combustion cham...
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JP2004108224 |
To ensure improvement in the fuel consumption in the partial loading and to reduce the load for reducing emission in a direct injection type internal combustion engine.The volume of a fuel/air mixture forming area 30 is controlled by for...
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JP2004108225 |
To clean exhaust gas, and to reduce the fuel consumption by controlling the combustion timing by the self-ignition in an internal combustion engine which comprises a cylinder 2, a piston 4 to be reciprocated in the cylinder toward a comb...
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JP2004100498 |
To further shorten a time for exhausting white smoke during cold start of a diesel engine by reducing the thickness of a connector peripheral wall, and to easily and efficiently assembly a swirl chamber connector to an assembling hole of...
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JP2004092579 |
To provide a whirl chamber type combustion chamber having a low gas amount loss when flowing from a whirl chamber type combustion chamber to a main combustion chamber, while sufficiently ensuring mixing performance in the whirl chamber.T...
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JP2004092574 |
To provide a gas engine increasing strength and diffusion of a torch ignition flame injected from an auxiliary chamber into a combustion chamber and increasing stability by reducing remaining gas amount in the auxiliary chamber, promptly...
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JP3534429 |
PURPOSE: To dissolve an important problem on the practical use of a methanol engine by preventing the generation of unburnt methanol and aldehyde. CONSTITUTION: In an engine provided with a pilot fuel injection pump and a main fuel injec...
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