Patent · US Expired

Device for trapping fuel vapors during the refuelling of a fuel tank

US4869283A · kind A · utility

33Cited by

4References

20Claims

0Family size

Assignee

Daimler-Benz AG · DE

Inventors

Heiner Oeffling
Harald Bohringer · Bad Liebenzell, DE
Dieter Scheurenbrand · Wolfschlugen, DE
Helmut Wawra · Bad Marienberg, DE

Key dates

Filing date	Dec 12, 1988
Grant date	Sep 26, 1989
Priority date	—
Expiry date	Dec 12, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/0874
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A device for trapping fuel vapors during the refuelling of a fuel tank having a vapor control valve and which during refuelling, is moved into an open position provided outside the tank filler pipe safety valve which closes under the influence of gravity due to certain inclined positions of the fuel tank is connected upstream of the control valve, so that no fuel can escape through the vapor vent line in the case of a crash, even if the control valve no longer closes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.