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:
Mar. 12, 2013
Filed:
Oct. 09, 2009
Kevin L. Perry, Fraser, MI (US);
Karthik Ramanathan, Karnataka, IN;
Ashok Gopinath, Karnataka, IN;
Steven J. Schmieg, Troy, MI (US);
Kevin L. Perry, Fraser, MI (US);
Karthik Ramanathan, Karnataka, IN;
Ashok Gopinath, Karnataka, IN;
Steven J. Schmieg, Troy, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A method for operating an internal combustion engine includes controlling the engine to a preferred air/fuel ratio to generate an engine-out exhaust gas feedstream including preferred concentrations of nitric oxide, carbon monoxide, and hydrogen, converting the nitric oxide, carbon monoxide, and hydrogen to ammonia across a first catalytic device; and storing the ammonia on an ammonia-selective catalytic reduction device fluidly serially connected downstream of the first catalytic device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile