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:
Aug. 23, 2011
Filed:
Mar. 26, 2007
Applicants:
Toru Nishizawa, Yokohama, JP;
Hiroaki Kaneko, Yokohama, JP;
Hitoshi Onodera, Yokosuka, JP;
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for regenerating a filter that traps particulate matter contained in exhaust gas of an internal combustion engine. The regeneration method includes increasing an amount of soot having a low degree of graphitization in the filter. After the amount of soot having the low degree of graphitization is increased, a temperature of the filter is increased.