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:
Aug. 07, 2018
Filed:
Jan. 19, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Paul Mahlon Ranspach, Allen Park, MI (US);
Marc G. Uphues, Ann Arbor, MI (US);
Allen Lehmen, Howell, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F02D 41/02 (2006.01); F02D 41/04 (2006.01); F02D 41/06 (2006.01); F02D 41/14 (2006.01); F02N 11/08 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0295 (2013.01); F02D 41/042 (2013.01); F02D 41/065 (2013.01); F02D 41/1454 (2013.01); F02N 11/0814 (2013.01); F02D 2200/0814 (2013.01);
Abstract
Embodiments for reactivating a catalyst are provided. In one example, a method for reactivating a catalyst coupled to an engine comprises when the engine is restarted following deactivation, adjusting a degree of fuel enrichment based on an engine off duration and an engine air amount during the restart.