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:
Jul. 16, 2013
Filed:
Sep. 12, 2007
Michel Arnalsteen, Groot-Bijgaarden, BE;
Alex Blieux, Saint Felix, FR;
Vincent Cuvelier, Brussels, BE;
Jerome Ropert, Laval, FR;
Thierry Rouxel, Argentre, FR;
Michel Arnalsteen, Groot-Bijgaarden, BE;
Alex Blieux, Saint Felix, FR;
Vincent Cuvelier, Brussels, BE;
Jerome Ropert, Laval, FR;
Thierry Rouxel, Argentre, FR;
Inergy Automotive Systems Research (S.A.), Brussels, BE;
Abstract
Liquid tank venting system comprising a chamber that is inside the tank and that is equipped with a drainage device that comprises at least one opening made in the chamber and an elastomer-based non-return valve capable of sealing/freeing this opening, according to which this non-return valve is forced into a position for leaktight closure of the opening via a specific device starting from a certain liquid level in the tank.