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:
Nov. 10, 2009
Filed:
Aug. 30, 2006
Hisashi Akagawa, Ageo, JP;
Hisashi Akagawa, Ageo, JP;
Nissan Diesel Motor Co., Ltd., Ageo-shi, JP;
Abstract
A particulate filteris disposed in an exhaust passageof an internal combustion engine, and a reduction catalystis disposed downstream of the particulate filter. A bypass passagefor bypassing the reduction catalystand a flow path switching valvewhich switches a flow path for the exhaust gas which has passed through the particulate filterbetween the exhaust passageand the bypass passageare disposed. A control unitcontrols the flow path switching valvein association with a temperature Texh of the exhaust gas which has passed through the particulate filter
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