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:
Aug. 23, 2016

Filed:

Apr. 14, 2014
Applicant:

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

Inventors:

Kyle Pohlkamp, Superior Township, MI (US);

Brien Lloyd Fulton, West Bloomfield, MI (US);

Assignee:

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

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02B 1/12 (2006.01); F02D 41/00 (2006.01); B60W 20/00 (2016.01); F02M 25/07 (2006.01); F02D 29/02 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0077 (2013.01); B60W 20/00 (2013.01); F02D 29/02 (2013.01); F02D 41/0065 (2013.01); F02M 25/0709 (2013.01); F02M 25/0718 (2013.01); F02M 25/0728 (2013.01); F02M 25/0751 (2013.01); F02M 25/0755 (2013.01); F02D 41/0055 (2013.01); F02D 41/0072 (2013.01); F02D 41/1458 (2013.01); Y02T 10/47 (2013.01); Y10S 903/905 (2013.01);
Abstract

A method for an engine may comprise, in response to an EGR valve closing, determining an EGR oxygen content, and purging an EGR system when the EGR oxygen content is less than a threshold oxygen content.


Find Patent Forward Citations

Loading…