Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyoshi Saito0
Hiroshi Nagashima0
Yuzuru Koike0
Yoshitaka Takasuka0
Akira Odajima0
Atsushi Izumiura0
Date of Patent
May 25, 2010
0Patent Application Number
113685270
Date Filed
March 7, 2006
0Patent Primary Examiner
Patent 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.
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