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:
Oct. 04, 2016
Filed:
Oct. 31, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Aed M. Dudar, Canton, MI (US);
Dennis Seung-Man Yang, Canton, MI (US);
Rob Ognjanovski, Jr., Shelby Township, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0809 (2013.01); F02D 41/0045 (2013.01); F02D 2200/0611 (2013.01);
Abstract
A method for an evaporative emissions leak test, comprising: adjusting a pressure threshold based on a fuel volatility of a fuel contained in a fuel tank; and performing the evaporative emissions leak test based on the adjusted pressure threshold. By determining fuel volatility and adjusting a pressure threshold based on the fuel volatility, a more robust and accurate evaporative emissions leak test may be employed without adding additional components to a fuel system.