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:
May. 25, 2010
Filed:
Mar. 07, 2006
Akira Odajima, Wako, JP;
Yuzuru Koike, Wako, JP;
Yoshitaka Takasuka, Wako, JP;
Atsushi Izumiura, Wako, JP;
Hiroshi Nagashima, Wako, JP;
Kiyoshi Saito, Wako, JP;
Akira Odajima, Wako, JP;
Yuzuru Koike, Wako, JP;
Yoshitaka Takasuka, Wako, JP;
Atsushi Izumiura, Wako, JP;
Hiroshi Nagashima, Wako, JP;
Kiyoshi Saito, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
An exhaust gas purifying apparatus for an internal combustion engine including a first filter and a second filter. The first filter traps particulates in exhaust gases from said engine. The second filter is provided for failure detection and disposed downstream of the first filter. The trapping state of the second filter is detected and a filtering capability of the first filter is diagnosed based on the detect trapping state of the first filter.