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. 22, 2012
Filed:
Nov. 16, 2007
Koutarou Honda, Ageo, JP;
Yuuji Naitou, Ageo, JP;
Isamu Kanaya, Ageo, JP;
Daisuke Shirai, Yokohama, JP;
Hitoshi Hiramoto, Yokohama, JP;
Naobumi Yamada, Yokohama, JP;
Koutarou Honda, Ageo, JP;
Yuuji Naitou, Ageo, JP;
Isamu Kanaya, Ageo, JP;
Daisuke Shirai, Yokohama, JP;
Hitoshi Hiramoto, Yokohama, JP;
Naobumi Yamada, Yokohama, JP;
Nissan Diesel Motor Co., Ltd., Kanagawa, JP;
Abstract
A reduction catalyst is disposed in an exhaust passage of an engine. A reducing agent added to the exhaust gas is urged to react with NOx in the exhaust gas, catalyzed by the reduction catalyst. A member for distributing the exhaust gas to which the reducing agent has been added is provided. This member is formed by applying of an axial welding and is disposed in the exhaust passage such that the internal surface of its joining portion is disposed to overhang from the topmost position of the joining portion.