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.:

US 8347866 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 08, 2013

Filed:

Mar. 17, 2010
Applicants:

Jason Meyer, Dayton, OH (US);

Shawn W. Midlam-mohler, Columbus, OH (US);

Kenneth P. Dudek, Rochester Hills, MI (US);

Stephen Yurkovich, Columbus, OH (US);

Yann G. Guezennec, Upper Arlington, OH (US);

Inventors:

Jason Meyer, Dayton, OH (US);

Shawn W. Midlam-Mohler, Columbus, OH (US);

Kenneth P. Dudek, Rochester Hills, MI (US);

Stephen Yurkovich, Columbus, OH (US);

Yann G. Guezennec, Upper Arlington, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An engine control system includes a saturation determination module, an adjustment factor generation module, and a fuel control module. The saturation determination module determines when a first exhaust gas oxygen (EGO) sensor is saturated, wherein the first EGO sensor is located upstream from a catalyst. The adjustment factor generation module generates an adjustment factor for an integral gain of a fuel control module when the first EGO sensor is saturated. The fuel control module adjusts a fuel command for an engine based on differences between expected and measured amounts of oxygen in exhaust gas produced by the engine, a proportional gain, the integral gain, and the integral gain adjustment factor.


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Meyer, Jason. (2013). Fuel control system and method for more accurate response to feedback from an exhaust system with an air/fuel equivalence ratio offset (U.S. Patent No. 8347866). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8347866

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