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. 11, 2022
Filed:
Dec. 27, 2016
Cummins Inc., Columbus, IN (US);
Jinyong Luo, Columbus, IN (US);
Ashok Kumar, Columbus, IN (US);
Krishna Kamasamudram, Columbus, IN (US);
Neal W. Currier, Columbus, IN (US);
Aleksey Yezerets, Columbus, IN (US);
Yadan Tang, Columbus, IN (US);
Michael J. Cunningham, Greenwood, IN (US);
Di Wang, Columbus, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
A method of recovering selective catalytic reduction catalysts relates to metal-Zeolite based catalysts. A selective catalytic reduction catalyst service event where a metal-Zeolite based selective catalytic reduction catalyst of an exhaust aftertreatment system may perform below a threshold level of performance is determined. The selective catalytic reduction catalyst then exposed to a recovery fluid selected to facilitate movement of metal ions.