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.

Date of Patent:
Jun. 23, 2026

Filed:

Sep. 19, 2024
Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventors:

Rani Kiwan, West Bloomfield, MI (US);

Michael Uhrich, Wixom, MI (US);

Chris Paul Glugla, Macomb, MI (US);

Kenneth John Behr, Farmington Hills, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3011 (2013.01); F02D 41/0087 (2013.01);
Abstract

Systems and methods for determining normalized fuel-air ratio error for a cylinder of an engine an engine are disclosed. In one example, the engine is operated in a four-cylinder mode to generate a first normalized fuel-air ratio error for a first cylinder and operated in an eight-cylinder mode to generate a second normalized fuel-air ratio error for a second cylinder.


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