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:
Jul. 04, 1995
Filed:
Dec. 03, 1993
Applicant:
Inventors:
Jurgen Wojts-Saary, Reinheim, DE;
Joachim Heinemann, Weinheim, DE;
Reinhard Tinz, Gross-Biberau, DE;
Stefan Knapp, Waldmichelbach, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123520 ; 1231 / ; 137883 ;
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.