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:
May. 02, 2017
Filed:
Jun. 24, 2014
Maschinenfabrik Reinhausen Gmbh, Regensburg, DE;
Hurbert Zwirglmaier, Regensburg, DE;
Silke Wrede, Zeitlarn, DE;
Thomas Schuster, Regensburg, DE;
Ulli Laubereau, Regensburg, DE;
Gerhard Baeuml, Regenstauf, DE;
MASCHINENFABRIK REINHAUSEN GMBH, Regensburg, DE;
Abstract
A load selector for tapped transformers has an oil tank and a preselector having a first preselector contact and a second preselector contact for each phase to be switched by the load selector. The first preselector contact and the second preselector contact are mounted on a wall of the oil tank and extending through the wall of the oil tank. A first zero contact and a second zero contact separate from the first zero contact are provided for each phase to be switched by the preselector. The first zero contact and the second zero contact are each mounted on the wall of the oil tank and extend through the wall of the oil tank.