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. 26, 1993
Filed:
May. 20, 1991
Applicant:
Inventors:
Assignee:
Paul Journee S.A., Colombes Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137202 ; 137588 ; 220746 ;
Abstract
A venting system for a motor vehicle fuel tank comprises a fuel tank having a filling pipe, an overflow duct, a gas vent duct, a safety valve; fresh air duct for removal of excess fuel vapour from the fuel tank through the fresh air duct. A scavenging duct and an auxiliary valve for overcoming failure of the scavenging duct and/or of the safety valve, in order to ensure that the fuel tank is vented through the fresh air duct are also provided.