The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2006
Filed:
Mar. 24, 2004
Satoshi Hiranuma, Tokyo, JP;
Yoshinaka Takeda, Tokyo, JP;
Toru Kawatani, Tokyo, JP;
Reiko Doumeki, Tokyo, JP;
Satoshi Hiranuma, Tokyo, JP;
Yoshinaka Takeda, Tokyo, JP;
Toru Kawatani, Tokyo, JP;
Reiko Doumeki, Tokyo, JP;
Abstract
In regenerating a filter there are performed a first additional fuel injection involving additional injection of fuel into a cylinder after a main fuel injection in an engine to raise the temperature of an oxidation catalyst and a second additional fuel injection involving fuel injection after the first additional fuel injection to supply the oxidation catalyst with the fuel, a second additional fuel injection quantity is set in accordance with an engine speed and an engine load and is changed in accordance with an outlet temperature of the oxidation catalyst.