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. 19, 1993
Filed:
Feb. 03, 1992
Applicant:
Inventors:
Joseph Fornuto, Rochester, NY (US);
William E Gifford, Hemlock, NY (US);
Karen M Meyer, Avon, NY (US);
Otto Muller-Girard, Jr, Rochester, NY (US);
Harold M Haskew, Milford, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ; F02B / ;
U.S. Cl.
CPC ...
123519 ; 1231 / ;
Abstract
A device for detecting a malfunction of the evaporative control system comprises a two-way flow device in the atmospheric air vent of the evaporative canister with a sensor to detect whether fluid is flowing through the canister during selected operating conditions.