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:
Aug. 10, 1999
Filed:
Nov. 18, 1997
Applicant:
Inventors:
Mathieu Guillemenet, Esslingen, DE;
Roland Schirmer, Stuttgart, DE;
Georg Georg, Stuttgart, DE;
Manfred Weil, Schorndorf, DE;
Hermann Horrer, Herrenberg, DE;
Dieter Scheurenbrand, Wolfschlugen, DE;
Manfred Stotz, Aichwald, DE;
Assignee:
Daimler-Benz A.G., Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 43 ; 137202 ;
Abstract
In a fuel tank for motor vehicles including a tank vent with a venting valve, which automatically closes when the fuel in the tank reaches a predetermined level and when the vehicle is in an upside down position, the venting valve includes a vent closing member and a float structure engaging to the vent closing member and having a buoyancy, which is variable depending on the amount of fuel contained in the tank.