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JP4235059B2 |
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 p...
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JP4231855B2 |
To provide a swirl type combustion chamber for a diesel engine which can improve exhaust emission performance. In the swirl chamber type combustion chamber diesel engine having a main combustion chamber formed in a cylinder and formed wi...
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JP4229721B2 |
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 o...
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JP2009036123A |
To provide a non-equilibrium plasma discharge engine in which volumetric ignition is performed by non-equilibrium plasma discharge.This non-equilibrium plasma discharge engine 100 in which fuel is ignited by non-equilibrium plasma discha...
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JP2009036157A |
To provide an ignition device performing a multiple-point ignition at a low voltage.An ignition device is configured to ignite by a dielectric breakdown of an electrical discharge gap between a center electrode and an outside electrode. ...
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JP2009036068A |
To improve combustion stability by generating a large volume of plasma in an auxiliary combustion chamber with small energy consumption.This combustion control device of an internal combustion engine comprises a main combustion chamber 1...
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JP4195672B2 |
To provide an indirect injection type internal combustion engine which freely performs heating and breaking inside a sub-chamber according to operation conditions of an engine, can control the temperature inside the sub-chamber at requir...
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JP4191586B2 |
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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JP2008286142A |
To provide a piston for an internal combustion engine preventing deterioration of combustion efficiency, deterioration of exhaust emission conditions, occurrence of knocking, and the like, by specifying a shape of a cavity of the piston,...
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JP2008286143A |
To provide a piston for an auxiliary chamber type gas engine preventing deterioration of combustion efficiency, deterioration of exhaust emission conditions, occurrence of knocking, and the like, by specifying ratio of parallel length T ...
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JP4181941B2 |
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 betwee...
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JP4183127B2 |
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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JP4184322B2 |
To provide an operation method of a gas engine and the gas engine, capable of suppressing a detrimental effect due to exhaust gas at starting, and shortening the starting time. Each cylinder 2 of the gas engine 1 is provided with a main ...
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JP4174135B2 |
To suppress the initial combustion to prevent the self-ignition of unburned air-fuel mixture by spraying a flame jet supplied from a sub-combustion chamber to a main combustion chamber through a sub-chamber injection port to a piston sur...
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JP2008248727A |
To provide a multicylinder auxiliary chamber type engine, in which maintenance of parts disposed to an auxiliary chamber is safely performed, while continuing operation.The auxiliary chamber type engine 100 is constituted by arranging a ...
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JP4157690B2 |
To enhance the performance of mixing air with a fuel to make effective use of air by widely spreading an air vortex from the central space portion of a vortex chamber to both side space portions thereof. An outside peripheral edge portio...
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JP4157691B2 |
To enhance the performance of mixing air with a fuel to make effective use of air by widely spreading an air vortex from the central space portion of a vortex chamber to both side space portions thereof. An outside peripheral edge portio...
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JP4145177B2 |
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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JP2008180235A |
To provide a high efficiency prime mover for smaller output requirement than the maximum one of an engine, having lighter and smaller construction than conventional one.An internal combustion engine uses a variable compression ratio and ...
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JP4126971B2 |
To perform the premixing compressive combustion of an internal combustion engine without knocking even under high load condition. A premixed air-fuel mixture is compressed and self-ignited in a low load area. The lean air-fuel mixture wh...
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JP4122166B2 |
A combustion chamber system (1) having a pre-combustion chamber (2) in communication with a final combustion chamber (3), where the length (B) of said pre-combustion chamber (2) is substantially greater than its width (A). The pre-combus...
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JP2007537392T5 |
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JP4105458B2 |
A combustion chamber system (1) comprises a pre-combustion chamber (2) and a final combustion chamber (3) separated by means of a combustion control wall (4). The pre-combustion chamber (2) is structured so as to define a multi-stage ann...
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JP4100345B2 |
To prevent contraction of a spray of fuel so that at least a part of the fuel spray surely and directly reach a spark plug. A cylinder injection type spark ignition internal combustion engine has an inward opening type fuel injection val...
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JP4088545B2 |
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 cyl...
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JP4086440B2 |
To provide a highly efficient engine with a high compression ratio without requiring a complicated and expensive fuel injection device for injecting fuel in high pressure, and more particularly, to provide a highly efficient engine appli...
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JP4085035B2 |
PURPOSE: A swirl combustion chamber of a diesel engine is provided to decrease both nitrogen oxide and smoke by mixing the air and fuel by generating effective vortex and dispersing the fuel in the chamber. CONSTITUTION: A swirl combusti...
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JP4075255B2 |
To restrain NOX and unburned carbon in emission gas of a diesel engine. A combustion chamber 2 of the diesel engine is connected with an end of a strip-like shock tube 4, of which the outer end is closed. An ignition plug 8 is disposed a...
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JP2008082221A |
To provide a swirl chamber type combustion chamber for a diesel engine capable of increasing air utilization factor in a main combustion chamber.In the swirl chamber type combustion chamber for the diesel engine provided with a swirl cha...
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JP4073315B2 |
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 c...
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JP4073314B2 |
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 ...
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JP4071928B2 |
To provide an indirect gas engine that is excellent in ignition stability. A nozzle 1 is provided with an external thread 2 over the stem middle and is fastened to an internal thread in a cylinder head. The axial center of the nozzle 1 i...
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JP4052511B2 |
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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JP4052847B2 |
To provide a gas engine reforming natural gas into reformed fuel, improving heat efficiency, and ensuring ignition and combustion in an auxiliary chamber. In the gas engine, an auxiliary chamber control valve 8 is arranged in a communica...
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JP4052422B2 |
To provide a subsidiary chamber valve device for a lean burn gas engine having a mechanically driven subsidiary chamber gas valve, avoiding the irregularity of operation due to misfire or non-uniform combustion by allowing the selective ...
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JP2008038819A |
To provide a premixed compression ignition engine which performs compression ignition combustion even in a low load operation area.A premixed compression ignition engine 1 comprises: a combustion chamber 90; a sub-chamber 20 communicatin...
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JP2008500481A |
An ultra-expansion four-stroke internal combustion engine, includes a cylinder (1) and a piston (2), wherein the compression degree of the admission space (V2) that satisfies the power requirement is maintained at 1.8-5Mpa at the end of ...
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JP2007537392A |
The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15:1, throttle regulation, externally supplied ignition and with direct fuel injection into a precombustion chamber, which is connec...
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JP4021678B2 |
To appropriately set a timing for stopping spark ignition after securing ignition by pilot fuel injection, and to stably continue operation by smoothly and securely starting a gas engine. A controller 22 includes a cooling water temperat...
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JP2007303448A |
To provide a variable compression ratio internal combustion engine having an improved operation performance, and capable of easily being provided with an auxiliary chamber. The variable compression ratio internal combustion engine includ...
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JP2007533897A |
An internal combustion engine includes a body defining at least a portion of a combustion chamber. The combustion chamber is adapted to receive a combustion mixture. A cavity in the body has an open end in fluid communication with the co...
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JP2007297942A |
To improve combustibility in a device igniting by torch shape flame blowing out of an auxiliary chamber. This device is provided with the auxiliary chamber 15 projecting toward lower side in a cylinder axis direction from a ceiling surfa...
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JP4007729B2 |
To realize high-compression and high-efficiency engine maintaining rotation of a crankshaft by burning a fuel (especially, a gas fuel) and an oxygen- containing gas in a main chamber and reciprocating a piston inside a cylinder. This eng...
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JP2007285273A |
To provide a means performing suitable torch injection in a wide operation condition of an engine. This engine is provided with: a main combustion chamber 40; a subsidiary chamber 44 constructed by a cylinder head 30 and a piston 32 at a...
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JP3992325B2 |
To simplify a structure, suppress increasing of friction to the minimum so as to prevent reduction of an output, and prevent a cumulus of carbon and the like. In a two cycle internal combustion engine of a mixture direct injection type, ...
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JP2007255313A |
To provide a technology of making gas flow caused in a sub-chamber regular to inhibit the occurrence of abnormal combustion and allow high power in an indirect injection engine having, as a combustion chamber, a main chamber facing a pis...
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JP2007247420A |
To provide an auxiliary-chamber type internal combustion engine capable of reducing a cooling loss, by restraining the deterioration in fuel economy. This auxiliary-chamber type internal combustion engine 100 has a main combustion chambe...
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JP2007239603A |
To provide a variable compression ratio engine enabling an ultra-lean combustion in which the discharged amount of NOx is so small that an NOx remover such as an NOx trap catalyst is not required in a low-load area. This variable compres...
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JP3973501B2 |
To provide an auxiliary chamber type internal combustion engine capable of preventing unburned mixture in a main combustion chamber from reverse-flowing into an auxiliary chamber or an efficiency from lowering and exhaust gas properties ...
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JP2007224788A |
To improve combustion efficiency by accelerating the mixing of fuel and air. An auxiliary communication pass 15 establishing communication between an main chamber 8 and an auxiliary chamber 9 and supplying air along a canter axis C9 of a...
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