Patent · US Expired

Device for feeding vapors of a fuel tank into an internal combustion engine

US5429097A · kind A · utility

24Cited by

9References

20Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Jurgen Wojts-Saary · Reinheim, DE
Joachim Heinemann · Weinheim, DE
Reinhard Tinz · Masserberg, DE
Stefan Knapp · Hösbach, DE

Key dates

Filing date	Dec 3, 1993
Grant date	Jul 4, 1995
Priority date	—
Expiry date	Dec 3, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/87877
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A device for feeding the vapors present in the free space of a fuel tank into the intake manifold of an internal combustion engine wherein the free space and the intake manifold are connected by a line in which an activated carbon container and a stop valve are connected in series, the activated carbon container being connected with the atmosphere by a vent line and the vent line can be closed by a vent line valve. The device further comprises an excess pressure valve and/or a vacuum valve which may be in the same housing as the vent line valve.

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