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:
Oct. 15, 2024
Filed:
Jun. 10, 2022
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Jose Francisco Martinez Leyva, Mexico City, MX;
Sumanth Reddy Dadam, New Hudson, MI (US);
Patrick Edward Smithberger, Marine City, MI (US);
Adam Krach, Canton, MI (US);
Edward Doemer, Dearborn Heights, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02M 26/47 (2016.01);
U.S. Cl.
CPC ...
F02D 41/0077 (2013.01); F02D 41/005 (2013.01); F02M 26/47 (2016.02); F02D 2200/021 (2013.01); F02D 2200/0406 (2013.01); F02D 2200/06 (2013.01); F02D 2200/101 (2013.01); F02D 2200/703 (2013.01);
Abstract
Methods and systems are provided for EGR valve diagnostic. In one example, a method includes providing a correction to a position of the EGR valve to compensate for an altitude of the vehicle. The compensation is based on a comparison of a pressure ratio to a curve rationalized with a barometric pressure.