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:
May. 30, 2017
Filed:
Aug. 27, 2015
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Robert Roy Jentz, Westland, MI (US);
John Eric Rollinger, Troy, MI (US);
Rommel Racelis, Ann Arbor, MI (US);
Michael Stephen Sweppy, Manchester, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 35/10 (2006.01); F01M 13/00 (2006.01); F01M 13/02 (2006.01); F01M 11/10 (2006.01); F02M 25/06 (2016.01); F02D 41/00 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
F01M 13/021 (2013.01); F01M 11/10 (2013.01); F01M 13/00 (2013.01); F02D 41/003 (2013.01); F02D 41/22 (2013.01); F02M 25/06 (2013.01); F02M 35/1038 (2013.01);
Abstract
Methods and systems are provided for using a crankcase vent tube pressure or flow sensor for diagnosing a location and nature of crankcase system integrity breach. Integrated CVT pressure readings are used to diagnose disconnection of the CVT on the air intake side and distinguish from disconnection on the crankcase side. Use of integrated pressure readings allows for a more reliable and quicker diagnosis even at lower engine airflows.