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. 03, 2014
Filed:
Jan. 31, 2012
Applicants:
David Karl Bidner, Livonia, MI (US);
John Eric Rollinger, Sterling Heights, MI (US);
John Smiley, Southfield, MI (US);
Ed Badillo, Flat Rock, MI (US);
Inventors:
David Karl Bidner, Livonia, MI (US);
John Eric Rollinger, Sterling Heights, MI (US);
John Smiley, Southfield, MI (US);
Ed Badillo, Flat Rock, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 11/14 (2006.01); F01P 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments for indicating degradation of a piston-cooling jet system are provided. In one example, an engine method comprises indicating degradation of a piston-cooling jet system in response to a relationship between engine speed and oil pressure at maximum oil pump displacement conditions. In this way, engine operation may be adjusted in response to an indicated degradation.