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:
Dec. 22, 2020
Filed:
Jun. 24, 2019
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Robert Roy Jentz, Westland, MI (US);
Matthew Carpenter, Northville, MI (US);
Michael Stephen Sweppy, Manchester, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/06 (2016.01); F01M 1/20 (2006.01); F01M 13/04 (2006.01); G01M 3/02 (2006.01); F01M 1/10 (2006.01); F01M 13/00 (2006.01);
U.S. Cl.
CPC ...
F02M 25/06 (2013.01); F01M 1/10 (2013.01); F01M 1/20 (2013.01); F01M 13/00 (2013.01); F01M 13/0011 (2013.01); F01M 13/04 (2013.01); G01M 3/025 (2013.01);
Abstract
Methods and systems are provided for diagnosing a positive crankcase ventilation (PCV) system. In one example, a PCV system diagnostic method is provided that includes a determining a fault condition in a positive crankcase ventilation (PCV) system by comparing a pressure sampled from a pressure sensor positioned on a clean side of an oil separator coupled to a crankcase with a modeled pressure representing an expected pressure on the clean side of the oil separator.