Title:
自動二輪車用パワーユニット
Document Type and Number:
Japanese Patent JP4751372
Kind Code:
B2
Abstract:
A power unit for a motorcycle includes an internal combustion engine having a crankcase rotatably supporting a crankshaft with an axis located on a split face between an upper case half body and a lower case half body and a continuously variable transmission having a belt. Two types of respective different oils for an internal combustion engine and for a continuously variable transmission are used while the rigidity of the crankcase is enhanced. A crankcase is provided with a partition wall that separates between a crank chamber housing a crankshaft and a continuously variable transmission chamber housing a continuously variable transmission. An axial line of the crankshaft and respective axial lines of the drive pulley and the driven pulley are each located at a corresponding one of apexes of an imaginary triangle on a view projected on a plane perpendicular to the axial line of the crankshaft.
Inventors:
Tomo Shiozaki
Masahiro Shimizu
Masahiro Shimizu
Application Number:
JP2007165155A
Publication Date:
August 17, 2011
Filing Date:
June 22, 2007
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F02F7/00; B60K17/06; B62M7/02; B62M9/08; F02B61/02; F02B67/00; F02B77/00
Domestic Patent References:
| JP2000282884A | ||||
| JP2004218731A | ||||
| JP2001115933A | ||||
| JP5844227A |
Attorney, Agent or Firm:
Ken Ochiai
Kazuaki Niki
Kazuaki Niki