INTERNAL COMBUSTION ENGINE

To provide an internal combustion engine that enables change of a compression ratio and output characteristics of an alcohol concentration of mixed fuel including alcohol fuel and enhances fuel economy and output as much as possible.SOLUTION: An internal combustion engine uses mixed fuel including a...

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Bibliographische Detailangaben
Hauptverfasser:	CHO MASAKI, TOMIZAWA KENGO, INOUE YOSUKE, OKANO NORIAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	To provide an internal combustion engine that enables change of a compression ratio and output characteristics of an alcohol concentration of mixed fuel including alcohol fuel and enhances fuel economy and output as much as possible.SOLUTION: An internal combustion engine uses mixed fuel including alcohol fuel, and includes an alcohol concentration sensor 125, a variable compression ratio mechanism 30, an internal combustion engine control device 70 and an intake passage variable mechanism 40. The internal combustion engine control device 70 changes a compression ratio in accordance with an alcohol concentration of the mixed fuel by using the variable compression ratio mechanism 30. The intake passage variable mechanism 40 changes length of an intake passage 15. Knocking is suppressed in accordance with the alcohol concentration of the mixed fuel, and fuel economy and output are enhanced as much as possible.SELECTED DRAWING: Figure 5 【課題】アルコール燃料を含む混合燃料のアルコール濃度に応じて圧縮比と出力特性を変更し、できるだけ燃費と出力を高めた内燃機関を提供する。【解決手段】アルコール燃料を含む混合燃料を使用し、アルコール濃度センサ125、可変圧縮比機構30、内燃機関制御装置70、および吸気通路可変機構40を備え、内燃機関制御装置70は、混合燃料のアルコール濃度に応じて、圧縮比を可変圧縮比機構30により変更して吸気通路可変機構40は吸気通路15の長さを変更して、混合燃料のアルコール濃度に応じてノッキングを抑制するとともに、できるだけ燃費と出力を高めた内燃機関を提供する。【選択図】図５