Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CAM-SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/171208
Kind Code:
A1
Abstract:
The cam profiles of both a reference intake cam 15 and a low-speed cam 16 are established so as to form a first cam angle range (θ1­-θ2) in which the amount of valve lift in the reference intake cam 15 is greater than the amount of valve lift in the low-speed cam 16, and a second cam angle range (θ2­θ4) in which the amount of valve lift in the low-speed cam 16 is greater than the amount of valve lift in the reference intake cam 15. When a switch is made from the reference intake cam 15 to the low-speed cam 16, the opening/closing action of an intake valve V1 is stopped by a cylinder deactivation mechanism 2 and an ECU 3, and sliding movement of an outer-side camshaft 32 is initiated in the first cam angle range by a camshaft movement mechanism 1 and the ECU 3, and when a switch is made from the low-speed cam 16 to the reference intake cam 15, the opening/closing action of the intake valve V1 is stopped and the sliding movement of the outer-side camshaft 32 is initiated in the second cam angle range.

Inventors:
TSUNODA HIROSHI (JP)
Application Number:
PCT/JP2016/062624
Publication Date:
October 27, 2016
Filing Date:
April 21, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01L13/00
Domestic Patent References:
WO2009151352A12009-12-17
Foreign References:
JP2014031745A2014-02-20
JP2013040614A2013-02-28
JP2014521876A2014-08-28
JPS61266804A1986-11-26
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (JP)
Hibiya Masahiko (JP)
Download PDF: