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:
Jan. 28, 2014
Filed:
Jun. 17, 2009
Rahul Mital, Rochester Hills, MI (US);
David B. Brown, Brighton, MI (US);
Yongsheng He, Sterling Heights, MI (US);
Jong H. Lee, Rochester Hills, MI (US);
Rahul Mital, Rochester Hills, MI (US);
David B. Brown, Brighton, MI (US);
Yongsheng He, Sterling Heights, MI (US);
Jong H. Lee, Rochester Hills, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An exhaust gas treatment system for a diesel engine is disclosed. The exhaust gas treatment system includes a lean NOtrap (LNT) in fluid communication with a diesel engine to receive an exhaust gas flow therefrom. The system also includes a two-way catalyst in fluid communication with the LNT to receive the exhaust gas flow therefrom, the two-way catalyst comprising a urea selective catalytic reduction catalyst and a diesel particulate filter (DPF).