Title:
火花点火式直噴ガソリンエンジン
Document Type and Number:
Japanese Patent JP4816383
Kind Code:
B2
Abstract:
To avoid knocking with a low cost structure and improve emission in materialization of high compression ratio engine.
An engine body 20 of which geometrical compression ratio is set to 14 or higher is provided. An exhaust pipe 140 of the engine body 20 is set in such a manner that distance from an exhaust port 29 to a catalyst unit 146 is length L to be a predetermined low exhaust pressure specification. A control means executes cold start control to retard fuel injection timing to compression stroke at cold start.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
Mitsuo Hitomi
Masahisa Yamakawa
Nishimoto Toshiro
Naohiro Yamaguchi
Koji Shizume
Tatsuya Fujikawa
Masahisa Yamakawa
Nishimoto Toshiro
Naohiro Yamaguchi
Koji Shizume
Tatsuya Fujikawa
Application Number:
JP2006269938A
Publication Date:
November 16, 2011
Filing Date:
September 29, 2006
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02D41/06; F02D13/02; F02D15/00; F02D41/34; F02D43/00
Domestic Patent References:
| JP2004316561A | ||||
| JP2004028022A | ||||
| JP11324746A | ||||
| JP11229915A | ||||
| JP60240809A | ||||
| JP9126028A | ||||
| JP2001020765A |
Attorney, Agent or Firm:
Etsushi Kotani
Takao Ito
Takao Ito