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:
Mar. 15, 2016
Filed:
Jan. 29, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Mark W. Peters, Wolverine Lake, MI (US);
Matthew Werner, Marysville, MI (US);
Scott A. Bohr, Plymouth, MI (US);
Aed M. Dudar, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0809 (2013.01); Y02T 10/40 (2013.01);
Abstract
A method for a vehicle having a fuel vapor canister coupled between a fuel tank and an engine intake manifold via an electronically controlled purge valve, comprises initiating a vapor leak test under predetermined conditions and in response to the initiation, fully opening the purge valve from a closed position to a fully open position for a predetermined time, and then fully closing the purge valve after the predetermined time and commencing the leak test.