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:
May. 20, 2025
Filed:
Jun. 07, 2023
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventor:
Aed Dudar, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 37/00 (2006.01); F02D 13/02 (2006.01); F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
F16K 37/0091 (2013.01); F02D 13/0242 (2013.01); F02M 25/0809 (2013.01); F02M 25/0836 (2013.01);
Abstract
Methods and systems are provided for diagnosing a fuel refill pressure relief valve that is located along a passage that extends from an exhaust system to a fuel tank. The method may include commanding the fuel refill pressure relief valve open while monitoring flow through particulate filter via a differential pressure sensor.