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:
Jan. 16, 1990
Filed:
Feb. 27, 1989
Applicant:
Inventors:
William E Gifford, Hemlock, NY (US);
Carl H Sherwood, Brockport, NY (US);
Charles H Covert, Manchester, NY (US);
Kenenth W Turner, Webster, NY (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
137202 ; 137588 ; 220 / ;
Abstract
A TVVA with a buoyant overfill protection float contains the float closely and axially slidably within a sleeve, and feeds a negative pressure created by the rapid flow of fill vapors over the outside of the sleeve into the sleeve to hold the float down and prevent it from corking.