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. 24, 2016
Filed:
Dec. 17, 2012
Doosan Infracore Co., Ltd., Incheon, KR;
Ji Hoon Lim, Seoul, KR;
Min Seok Ko, Gyeonggi-do, KR;
Byoung Gul Oh, Gyeonggi-do, KR;
Kyung Min Park, Gyeonggi-do, KR;
Sang Hoon Kim, Seoul, KR;
Doosan Infracore Co., Ltd., Incheon, KR;
Abstract
The present disclosure relates to an exhaust gas after-treatment apparatus and an exhaust gas after-treatment method including a selective catalytic reduction (SCR) process, and more particularly, to an exhaust gas after-treatment apparatus having improved durability and an exhaust gas after-treatment method, which selectively determine to operate a selective catalyst reducing part and an ammonia oxidation catalyst (AOC) part on the basis of a generated amount and a rate of change of a nitrogen compound (NOx) in exhaust gas.