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:
Sep. 20, 2016
Filed:
Jul. 17, 2014
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Hassene Jammoussi, Canton, MI (US);
Imad Hassan Makki, Dearborn Heights, MI (US);
Michael James Uhrich, West Bloomfield, MI (US);
Michael Casedy, Ann Arbor, MI (US);
Kenneth John Behr, Farmington Hills, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/14 (2006.01); F02D 41/22 (2006.01); F02D 41/12 (2006.01); F02D 41/24 (2006.01);
U.S. Cl.
CPC ...
F02D 41/1454 (2013.01); F02D 41/123 (2013.01); F02D 41/1402 (2013.01); F02D 41/1439 (2013.01); F02D 41/1495 (2013.01); F02D 41/222 (2013.01); F02D 41/2441 (2013.01); F02D 41/2454 (2013.01); F02D 41/126 (2013.01); F02D 41/1456 (2013.01); F02D 2041/224 (2013.01); Y02T 10/40 (2013.01);
Abstract
Methods and systems are described for evaluating presence of fuel shifts in an engine. In one example, a method comprises indicating a fuel shift based on a time delay of an exhaust gas sensor during an entry into and an exit out of deceleration fuel shut off (DFSO).