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. 25, 2019
Filed:
Dec. 22, 2016
Ford Global Technologies, Llc, Dearborn, MI (US);
Aed M. Dudar, Canton, MI (US);
Douglas Raymond Martin, Canton, MI (US);
Robert Roy Jentz, Westland, MI (US);
Kevin Lucka, Southfield, MI (US);
Mohammad R. Aghili, Dearborn, MI (US);
Donald P. Tinsley, III, Huntington Woods, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Methods and systems are provided for conducting tests for undesired evaporative emissions on a vehicle fuel system and evaporative emissions system. In one example, a method may include learning routes commonly traveled by the vehicle, including altitude changes and stop durations, and may further include diagnosing the fuel system and evaporative emissions system based on the learned altitude changes in one example, and may include diagnosing the fuel system and evaporative emissions system based on a learned stop duration in another example. By conducting tests for undesired evaporative emissions as a function of learned travel routes, completion rates for tests for undesired evaporative emissions tests may be increased, and the release of undesired evaporative emissions to atmosphere may be reduced.