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:
Oct. 09, 2007
Filed:
Aug. 02, 2003
Robert Mueller, Daisendorf, DE;
Franz-josef Vogelsang, Ravensburg, DE;
Robert Mueller, Daisendorf, DE;
Franz-Josef Vogelsang, Ravensburg, DE;
Zeppelin Silo- und Apparatetechnik GmbH, Friedrichshafen, DE;
Abstract
The invention relates to a switch for branching off bulk material flows, the switch includes a rotary plug () which is arranged in a fixed housing having preferably three connection openings. In a first position the plug establishes a connection between a first pair of connection openings and, by rotation into a second position, establishes a connection between a second pair of connection openings, a gap being provided between the rotary plug () and the housing in such a way as to arrange the rotary plug () in the housing in a non-contact manner without any additional contact sealing elements. The plug () and/or said housing includes at least one labyrinth sealing arrangement ().