Title:
ENGINE AND SADDLE-TYPE VEHICLE
Document Type and Number:
WIPO Patent Application WO/2012/160968
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an engine wherein a cam chain is easy to attach. In the present invention, a crank case (84) contains the following: a support shaft (240) that pivotably supports a tension-applying member (158); and a temporary-support shaft (252) that supports the tension-applying member (158) and, viewed from the axial direction of a crankshaft (84), is located on the opposite side from a second sprocket (146) with respect to a straight line (L2) that connects the center of the support shaft (240) to the center of a first sprocket (108). A chain chamber (210) contains a temporary-support surface (213) that, with the tension-applying member (158) supported by the temporary-support shaft (252), contacts part of the tension-applying member (158) and slidably supports another part thereof. Viewed from the axial direction of the crankshaft (84), the temporary-support shaft (252) is located towards the temporary-support surface (213) with respect to the part of a chain (154) wrapped around the first sprocket (108).
Inventors:
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
NAKAJIMA AKITOSHI (JP)
Application Number:
PCT/JP2012/061821
Publication Date:
November 29, 2012
Filing Date:
May 09, 2012
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
International Classes:
F02B67/06; F02B61/02; F16H7/08; F16H7/18
Foreign References:
| JP2009228790A | 2009-10-08 | |||
| JP2011064259A | 2011-03-31 | |||
| JP2009228673A | 2009-10-08 |
Other References:
See also references of EP 2589772A4
Attorney, Agent or Firm:
UEBA Hidetoshi et al. (JP)
Hidetoshi Ueha (JP)
Hidetoshi Ueha (JP)
Download PDF:
Claims: