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. 17, 2011
Filed:
Mar. 12, 2009
Mark Peters, Wolverine Lake, MI (US);
Darrell Erick Butler, Macomb, MI (US);
Kenneth James Miller, Canton, MI (US);
Eric J. Bensen, Farmington Hills, MI (US);
Kenneth L. Pifher, Holly, MI (US);
Mark Peters, Wolverine Lake, MI (US);
Darrell Erick Butler, Macomb, MI (US);
Kenneth James Miller, Canton, MI (US);
Eric J. Bensen, Farmington Hills, MI (US);
Kenneth L. Pifher, Holly, MI (US);
Ford Global Technologies LLC, Dearborn, MI (US);
Abstract
A method for controlling an automotive canister purge valve in fluid communication with an evaporative canister includes selecting a purge flow rate of increase for the purge valve based on a hydrocarbon concentration in a fluid stream exiting the evaporative canister, and operating the purge valve based on the selected rate.