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:
Dec. 26, 2006
Filed:
Feb. 22, 2005
Barbara Aschoff, Legal Representative, Duderstadt-Desingerode, DE;
Dorothee Aschoff, Legal Representative, Hannover, DE;
Henning Aschoff, Legal Representative, Duderstadt-Desingerode, DE;
Barbara Aschoff, legal representative, Duderstadt-Desingerode, DE;
Dorothee Aschoff, legal representative, Hannover, DE;
Henning Aschoff, legal representative, Duderstadt-Desingerode, DE;
DaimlerChrysler AG, Stuttgart, DE;
Abstract
In a venting device for a fuel tankof a motor vehicle having a filler neck and a venting valve, a circulation pipe is provided which, due to the suction jet effect when refueling circulates gas from the fuel tank back into the tank with the fuel so as to prevent an excessive inflow of fresh air, and which includes a venting pipe extending between venting valveand a filter for discharging excess gases through a filter in order to prevent the escape of fuel vapors into the environment.