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. 17, 2023
Filed:
Sep. 10, 2021
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Andrew Couzens, Southend-on-Sea, GB;
Jonathan Saville, Dearborn, MI (US);
Robert Jentz, Westland, MI (US);
Matthew Russell Carpenter, Northville, MI (US);
Michael Casedy, Ann Arbor, MI (US);
Adam Krach, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/00 (2006.01); F02D 41/22 (2006.01); F02D 41/00 (2006.01); F01M 13/02 (2006.01);
U.S. Cl.
CPC ...
F02D 41/22 (2013.01); F01M 13/00 (2013.01); F02D 41/0007 (2013.01); F01M 2013/0005 (2013.01); F01M 2013/0083 (2013.01); F01M 2013/027 (2013.01); F01M 2250/60 (2013.01); F02D 2250/08 (2013.01);
Abstract
A method and a system for diagnosing positive crankcase ventilation (PCV) systems are disclosed. In one example, the method diagnoses a PCV system based on a pressure that may be observed during engine cranking. In another example, the PCV system is diagnosed during vehicle driving conditions after the engine exits cranking.