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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 9657672 B1

PDFFull Text
Date of Patent:
May. 23, 2017

Filed:

Oct. 14, 2015

Non-intrusive exhaust gas sensor monitoring based on fuel vapor purge operation

Applicant:

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

Inventors:

Adam Nathan Banker, Canton, MI (US);

Michael James Uhrich, West Bloomfield, MI (US);

Imad Hassan Makki, Dearborn Heights, MI (US);

James Michael Kerns, Trenton, MI (US);

Assignee:

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

Attorneys:

Julia Voutyras

McCoy Russell LLP

Primary Examiner:

Thomas Moulis

Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 41/14 (2006.01); F01N 11/00 (2006.01); F02D 41/12 (2006.01);
U.S. Cl.
CPC ...
F02D 41/1454 (2013.01); F01N 11/007 (2013.01); F02D 41/003 (2013.01); F02D 41/1486 (2013.01); F02D 41/1495 (2013.01); F02D 41/0035 (2013.01); F02D 41/123 (2013.01); Y02T 10/47 (2013.01);
Abstract

A method of monitoring an exhaust gas sensor coupled in an engine exhaust in an engine is provided. The method includes adjusting engine operation responsive to exhaust gas sensor degradation, the degradation identified during deceleration fuel shut-off (DFSO) and compensated based on whether vapor purge operation is occurring in the engine during DFSO.

Find Patent Forward Citations

Banker, Adam. (2017). Non-intrusive exhaust gas sensor monitoring based on fuel vapor purge operation (U.S. Patent No. 9657672). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9657672

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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