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:
Apr. 17, 2007
Filed:
Apr. 07, 2004
Günther Pozgainer, Graz, AT;
Sandor Palvölgyi, Gleisdorf, AT;
Günther Pozgainer, Graz, AT;
Sandor Palvölgyi, Gleisdorf, AT;
Tesma Motgoren-Und Getriebetechnik GmbH, Sinabelkirchen, AT;
Abstract
A fuel tank with ventilation system and activated carbon filter which, on the one hand, is connected by a first line () to the fuel tank and by a second line () to an internal combustion engine, and, on the other hand, by a third line () to the atmosphere, should have as simple and compact a ventilation system as possible, which fulfills all functions in full measure. To this end, a controlled two-way valve unit () is provided, whereof the first path connects the first line () to the third line () and the second path connects the second line () to the third line (), and an electronic control unit () is provided, which on the input side is connected to a refueling sensor () and to a liquid level sensor () and on the output side is connected to the controlled two-way valve unit (). The controlled two-way valve unit () comprises two valves () accommodated in a common housing () and having closing bodies (), whereof the first () closes off or opens up the first path and the second () closes off or controllably opens up the second path.