FLYWHEEL COOLING STRUCTURE OF ENGINE

PROBLEM TO BE SOLVED: To provide a flywheel cooling structure of an engine which can suppress the wear of a clutch disc by surely and stably cooling a flywheel, without involving increase in the cost of the flywheel cooling structure.SOLUTION: A flywheel 7 is fixed to an external end 1c of a crank s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HARA TAKASHI, IKOMA KATSUHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a flywheel cooling structure of an engine which can suppress the wear of a clutch disc by surely and stably cooling a flywheel, without involving increase in the cost of the flywheel cooling structure.SOLUTION: A flywheel 7 is fixed to an external end 1c of a crank shaft 1 protruding from a cylinder block 3 in which a lubricating oil passage 4 for supplying lubricating oil to parts 1a, 1b to be lubricated is formed, a clutch disc 9 of a clutch mechanism 8 is separably arranged at the flywheel 7, a lubricating oil passage 13 for lubricating the lubricating oil is formed in the flywheel 7, and the lubricating oil passage 4 of the crank shaft 1 is extended so as to communicate with the lubricating oil passage 13. 【課題】フライホイールを確実にかつ安定的に冷却することでクラッチディスクの摩耗を抑制でき、かつコスト高になることもないエンジンのフライホイール冷却構造を提供する。【解決手段】被潤滑部１ａ，１ｂに潤滑油を供給する潤滑油路４が形成されたクランク軸１の、シリンダブロック３から突出する外端部１ｃにフライホイール７が固定され、該フライホイール７にクラッチ機構８のクラッチディスク９が接離可能に配設され、前記フライホイール７内に、前記潤滑油を循環させる循環油路１３が形成され、前記クランク軸１の前記潤滑油路４が前記循環油路１３に連通するように延長された。【選択図】図１