ENGINE

PROBLEM TO BE SOLVED: To realize a light-weight Atkinson cycle mechanism with a simple structure.SOLUTION: An engine comprises: a piston 12; a piston pin 13; a crankshaft 14 including a crankpin 19; a connecting rod 15 including a small end part 20 connected to the piston pin 13, and a large end par...

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Bibliographische Detailangaben
1. Verfasser:	KITAMOTO YUSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BEARINGS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To realize a light-weight Atkinson cycle mechanism with a simple structure.SOLUTION: An engine comprises: a piston 12; a piston pin 13; a crankshaft 14 including a crankpin 19; a connecting rod 15 including a small end part 20 connected to the piston pin 13, and a large end part 21 connected to the crankpin 19; an internal tooth part 23 and a supporting hole part 22 formed in the large end part 21; an eccentric bearing 16 rotatably attached to the supporting hole part 22, and in which an eccentric hole part 25 eccentric with respect to a center of the large end part 21 is formed; and a gear member 17 being attached to the crankpin 19, and engaging with the internal tooth part 23.SELECTED DRAWING: Figure 1 【課題】簡潔な構造により軽量なアトキンソンサイクル機構を実現する。【解決手段】ピストン１２と、ピストンピン１３と、クランクピン１９を有するクランクシャフト１４と、ピストンピン１３に接続される小端部２０及び、クランクピン１９に接続される大端部２１を有するコンロッド１５と、大端部２１に形成された内歯部２３及び、支持孔部２２と、支持孔部２２に回転自在に取り付けられ、大端部２１の中心に対して偏心した偏心孔部２５が形成された偏心ベアリング１６と、クランクピン１９に取り付けられ、内歯部２３に噛合された歯車部材１７とを備えた。【選択図】図１