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:
Jul. 12, 2005
Filed:
Jan. 27, 2003
Gopichandra Surnilla, West Bloomfield, MI (US);
Jeffrey Scott Hepburn, Birmingham, MI (US);
John M. Roth, Grosse Ile, MI (US);
Gopichandra Surnilla, West Bloomfield, MI (US);
Jeffrey Scott Hepburn, Birmingham, MI (US);
John M. Roth, Grosse Ile, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method is described for operating an engine coupled to an emission control device that stores and reacts oxidants such as NO. The method transitions from lean to stoichiometric or rich operation under various conditions. For example, a periodic transition is performed with an amount of NOstored in the device reaches a threshold, or when a tip-in from idle conditions has been identified.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile