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. 01, 2022
Filed:
Jan. 19, 2021
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
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 ...
F02P 5/14 (2006.01); F02D 41/14 (2006.01); F02D 41/38 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/1498 (2013.01); F02D 41/009 (2013.01); F02D 41/1446 (2013.01); F02D 41/38 (2013.01); F02P 5/14 (2013.01); F02D 2041/389 (2013.01); F02D 2200/101 (2013.01);
Abstract
Systems and methods determining a presence or absence of engine misfire at low engine load are disclosed. In one example, the presence or absence of engine misfire is based on a fuel target error value and an exhaust temperature error. Operation of an engine may be adjusted when engine misfire is detected.