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. 09, 2010
Filed:
Oct. 01, 2007
Hisao Haga, Wako, JP;
Norio Suzuki, Wako, JP;
Katsuji Wada, Wako, JP;
Honda Motor Co., Ltd, Tokyo, JP;
Abstract
An exhaust gas purifying apparatus for an internal combustion engine having a NOx removing device provided in an exhaust system of the engine and at least one fuel injector for injecting fuel into a combustion chamber of the engine. A temperature of the NOx removing device is detected and a regeneration process, which removes sulfur oxide accumulated in the NOx removing device, is performed. The regeneration process is performed by performing at least one post injection after performing a main injection by the at least one fuel injector to raise a temperature of the NOx removing device or by increasing a main injection amount of fuel to raise the temperature of the NOx removing device without performing the post injection. The exhaust gases are then controlled to flow into the NOx removing device in the reducing state.