Title:
4サイクル多気筒エンジンの始動装置
Document Type and Number:
Japanese Patent JP4293075
Kind Code:
B2
Abstract:
To surely re-start an engine by stopping a piston at an appropriate position at the time of engine automatic stop with a simple structure.
Timing of last compression top dead center of each cylinder at the time of engine stop is grasped based on engine speed and stroke of each cylinder. After the last top dead center is passed in each cylinder 12A-13D at the time of automatic engine stop, a variable valve timing system is controlled to open a port of the cylinder 12C which is in a compression stroke at the time of stop. After that, a port of the cylinder 12A which is in an expansion stroke is opened at predetermined timing.
COPYRIGHT: (C)2006,JPO&NCIPI
Inventors:
Tetsuno Masayuki
Junichi Taga
Keiji Araki
Junichi Taga
Keiji Araki
Application Number:
JP2004208802A
Publication Date:
July 08, 2009
Filing Date:
July 15, 2004
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02D17/00; F02D13/02; F02D29/02; F02D41/04; F02D41/06; F02D45/00; F02N11/08; F02N15/00; F02P5/15
Domestic Patent References:
JP2004124753A | ||||
JP2003517134A | ||||
JP2004183613A | ||||
JP60128975U | ||||
JP62255557A |
Attorney, Agent or Firm:
Etsushi Kotani
Takao Ito
Jiro Higuchi
Takao Ito
Jiro Higuchi