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:
Dec. 14, 1993
Filed:
Dec. 02, 1992
Joachim Heinemann, Weinheim, DE;
Reinhard Tinz, Gross-Biberau, DE;
Firma Carl Freudenberg, Weinheim, DE;
Abstract
A device for the temporary storing and dosed feeding of volatile fuel constituents found in a free space of a tank installation into an intake manifold of an internal combustion engine capable of being charged by a supercharger, comprising a venting line connecting the free space to a storage chamber containing an absorption element, at least one line connecting the storage chamber to the intake manifold, a valve having at least one inlet port, at least two outlet ports, a main valve seat, and an auxiliary valve seat, a first non-return valve allocated to a first outlet port of the at least two outlet ports, and a second non-return valve allocated to a second outlet port of the at least two outlet ports, wherein the first outlet port of the at least two outlet ports communicates with the intake manifold, and the second outlet port of the at least two outlet ports communicates with a low-pressure area of the supercharger.