Invention Grant
- Patent Title: Internal combustion engine and straddle-type vehicle including the same
- Patent Title (中): 内燃机和包括其的跨骑式车辆
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Application No.: US13744661Application Date: 2013-01-18
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Publication No.: US09163550B2Publication Date: 2015-10-20
- Inventor: Satoshi Kumagai
- Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Applicant Address: JP Shizuoka
- Assignee: Yamaha Hatsudoki Kabushiki Kaisha
- Current Assignee: Yamaha Hatsudoki Kabushiki Kaisha
- Current Assignee Address: JP Shizuoka
- Agency: Keating & Bennett, LLP
- Priority: JP2012-012230 20120124
- Main IPC: F01P5/04
- IPC: F01P5/04 ; F01P1/00 ; F01P11/10 ; F01P7/04 ; F01P7/08 ; F01P5/12 ; F01P1/02
Abstract:
A forced air-cooled engine includes a crankcase, a cylinder block, a cylinder head, a cooling fan, and a shroud arranged to cover a portion of the crankcase, the cooling fan, and a portion of the cylinder block and a portion of the cylinder head. Fins are provided at least in a region of the cylinder block covered by the shroud. The shroud includes a facing wall portion that faces the fins. An exhaust opening is provided between the facing wall portion and the cylinder block, and opens away from the cooling fan.
Public/Granted literature
- US20130186352A1 INTERNAL COMBUSTION ENGINE AND STRADDLE-TYPE VEHICLE INCLUDING THE SAME Public/Granted day:2013-07-25
Information query
