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:
Jun. 12, 2018
Filed:
Nov. 16, 2016
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Justin Trzeciak, Riverview, MI (US);
Joseph Norman Ulrey, Dearborn, MI (US);
Ross Dykstra Pursifull, Dearborn, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02M 63/00 (2006.01); F02M 55/02 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3082 (2013.01); F02M 55/02 (2013.01); F02M 63/0054 (2013.01); F02D 2200/0406 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/101 (2013.01); F02D 2200/60 (2013.01);
Abstract
Methods and systems are provided for operating a lift pump of an engine fuel system. In one example, a method may comprise limiting a lift pump voltage to a lower first level when powering on a lift pump from off. The method may further comprise maintaining the lift pump voltage at the lower first level for a duration before increasing the lift pump voltage above the first level.