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:
Jan. 03, 2023
Filed:
Oct. 23, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Aed Dudar, Canton, MI (US);
Eric A. Macke, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/00 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0836 (2013.01); F02D 41/004 (2013.01); F02D 2041/224 (2013.01); F02D 2200/0406 (2013.01); F02D 2200/703 (2013.01); F02M 25/0854 (2013.01);
Abstract
Methods and systems are provided for diagnostics and subsequent cleaning of an ejector in a fuel vapor purge system of a vehicle with a boosted internal combustion engine. In one example, a method may include, in response to indication of blockage in a fuel vapor purge system, a purge system valve may be actuated to a position enabling routing of contaminants blocking the ejector to an engine intake manifold, thereby cleaning the ejector.