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. 23, 2015
Filed:
Aug. 26, 2014
Roger C Sager, Munith, MI (US);
Joshua P Macchiavello, Northville, MI (US);
Paul J Gregor, Dexter, MI (US);
Christopher G Hadre, LaSalle, CA;
Thomas H Pruett, Westland, MI (US);
Roger C Sager, Munith, MI (US);
Joshua P Macchiavello, Northville, MI (US);
Paul J Gregor, Dexter, MI (US);
Christopher G Hadre, LaSalle, CA;
Thomas H Pruett, Westland, MI (US);
FCA US LLC, Auburn Hills, MI (US);
Abstract
A method is provided for testing the evaporative emission system of a vehicle having a forced induction engine. The method includes controlling a vacuum bypass valve and a purge flow control valve to create the necessary conditions to perform the testing of the evaporative emission system. The method determines whether an evaporative system integrity monitor switch is open after a timer is initiated and the vacuum bypass valve is opened.