作者: Harada Makoto , Sugiyama Masanori , Nagata Hiroki , Hakamata Teppei
DOI:
关键词: Internal combustion engine 、 Mechanics 、 Physics 、 Starter 、 Breather 、 Crank 、 Crankcase 、 Cylinder block
摘要: PROBLEM TO BE SOLVED: To provide a crank case structure of an internal combustion engine in which starter motor disposed on is hardly affected by heat, and at comparatively low position.SOLUTION: In engine, breather chamber (41) formed rear part cases (30, 50) state being separated from cylinder block (3) projecting upward, (20) above upper wall regions (34, 54) the between (41), slit recessed portions (34s, 54s) respectively biting to vicinity split faces (32a, 52a) right left outer side toward 52a), are below (20).