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. 05, 2007
Filed:
May. 04, 2005
Applicants:
Sam R. Reddy, West Bloomfield, MI (US);
David H. Coleman, Highland, MI (US);
Inventors:
Sam R. Reddy, West Bloomfield, MI (US);
David H. Coleman, Highland, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 37/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for reducing or preventing hydrocarbon emissions from an air induction system of an automotive vehicle during diurnal periods opens the fuel line to ambient fuel tank pressure when fuel pressure in the fuel line decreases due to cooling of the fuel.