Title:
内燃機関の可変動弁装置
Document Type and Number:
Japanese Patent JP4907416
Kind Code:
B2
Abstract:
A variable valve actuating apparatus for an internal combustion engine includes an intake valve operating angle varying mechanism, an intake valve timing varying mechanism, and an exhaust valve timing varying mechanism. Before startup of the engine, the intake valve operating angle varying mechanism holds an intake valve operating angle at an intermediate value, the intake valve timing varying mechanism holds intake valve opening and closing timings most advanced, and the exhaust valve timing varying mechanism holds exhaust valve opening and closing timings most retarded.
Inventors:
Nobu Nakamura
Application Number:
JP2007112559A
Publication Date:
March 28, 2012
Filing Date:
April 23, 2007
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F02D13/02; F01L13/00
Domestic Patent References:
| JP2005105874A | ||||
| JP2003035167A | ||||
| JP2005264804A |
Attorney, Agent or Firm:
Hiromichi Kobayashi