Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ENGINE SYSTEM AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2016/203687
Kind Code:
A1
Abstract:
The present invention rotates a camshaft in a forward direction and a reverse direction, in conjunction with the rotation of the crankshaft in the forward direction and reverse direction. The camshaft is provided with an intake cam and a sub-intake cam. The intake cam acts on an intake valve in a crank angle range that corresponds to an intake step, by integrally rotating with the camshaft. The sub-intake cam is capable of moving between a startup position and a normal position in the circumferential direction of the camshaft, by being capable of rotating within a fixed angle range relative to the camshaft. When rotating the crankshaft in the reverse direction, the sub-intake cam moves to the startup position by rotating at a delay relative to the intake cam.

Inventors:
MASUDA TAKAHIRO (JP)
KAKU JUN-ICHI (JP)
SAKAI KOUJI (JP)
Application Number:
PCT/JP2016/002057
Publication Date:
December 22, 2016
Filing Date:
April 15, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F02D29/02; F01L1/04; F01L13/00; F01L13/02; F02D13/02; F02D27/00
Foreign References:
JP2014077405A2014-05-01
JPS62195608U1987-12-12
JPS60190911U1985-12-18
JPH0191007U1989-06-15
Other References:
See also references of EP 3309376A4
Attorney, Agent or Firm:
FUKUSHIMA, Yoshito (JP)
Yoshihito Fukushima (JP)
Download PDF: