Patent · US Expired

Ventilation and/or pressure-equalizing system for a fuel tank

US6871662B2 · kind B2 · utility

4Cited by

8References

32Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Ewald Duermeier · Heubach, DE
Stefan Klein · Meitingen, DE
Michael Koenig · Oviedo, US
Stefan Leuchtenberg · Abstatt, DE
Dieter Scheurenbrand · Wolfschlugen, DE
Manfred Weil · Schorndorf, DE

Key dates

Filing date	Dec 17, 2001
Grant date	Mar 29, 2005
Priority date	—
Expiry date	Dec 17, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86324
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A ventilation and/or a pressure-equalizing system for a fuel tank, in particular for a fuel tank of a motor vehicle, includes at least one aeration and/or de-aeration line leading into the fuel tank, via which the gases and/or vapors may be removed from or conducted into the fuel tank. A collection device for liquid fuel is coupled into the aeration and/or de-aeration line, the collection device including at least two chambers, of which one is used as a temporary storage device for liquid fuel and is connected to a return line into the fuel tank.

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