ディーゼルエンジン - Mazda Corporation Inc

Title:

ディーゼルエンジン

Document Type and Number:

Japanese Patent JP4475083

Kind Code:

B2

Abstract:

To prevent excessive regeneration treatment of a diesel smoke purification means and deterioration of fuel economy at an early stage of use.

A regeneration treatment means is provided with a use period determination part. The use period determination part identifies use period D of the diesel smoke purification means. A threshold changing part establishing a regeneration completion threshold value Mβ high if the identified use period of the diesel smoke purification means does not exceed a predetermined initial condition determination value Dstd. Excessive regeneration treatment can be avoided by changing the threshold value Mβ even in the diesel smoke purification means at the early stage of use with which detection of collection quantity of exhaust particulate gets incorrect due to influence of impurities.

Inventors:

Eiji Nakai
Shinichi Morinaga
Tomoyuki Wada

Application Number:

JP2004286951A

Publication Date:

June 09, 2010

Filing Date:

September 30, 2004

Export Citation:

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Assignee:

Mazda Corporation Inc

International Classes:

F01N3/02; B01D53/94; F01N3/18; F01N3/24; F02D45/00; B01D46/42

Domestic Patent References:

JP2003222015A
JP5288037A
JP4066717A

Attorney, Agent or Firm:

Etsushi Kotani
Takao Ito
Jiro Higuchi

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