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. 16, 2017
Filed:
Mar. 16, 2011
Minoru Kowada, Tokyo, JP;
Toshiaki Kuroki, Tokyo, JP;
Ryoji Suzuki, Tokyo, JP;
Hiroshi Uchigata, Fujisawa, JP;
Toshiyuki Yamada, Fujisawa, JP;
Minoru Kowada, Tokyo, JP;
Toshiaki Kuroki, Tokyo, JP;
Ryoji Suzuki, Tokyo, JP;
Hiroshi Uchigata, Fujisawa, JP;
Toshiyuki Yamada, Fujisawa, JP;
HINO MOTORS, LTD., Tokyo, JP;
ISUZU MOTORS LIMITED, Tokyo, JP;
Abstract
Arranged are a selective reduction catalyst for reacting NOin exhaust gaswith ammonia, an exhaust passagefor guiding the exhaust gasto the selective reduction catalyst, and a urea water addition unitincorporated in the exhaust passagefor adding urea waterinto the exhaust gas. A portion of the exhaust passageadjacent to an added position of the urea wateris constituted by a divisional piecemade of material having higher corrosive resistance to a substance produced by addition of the urea waterthan that of a material constituting the remaining portion of the exhaust passageother than the adjacent portion.