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:
Jan. 10, 2017
Filed:
Mar. 25, 2013
Alfred Bieringer, Geiselhoering, DE;
Christian Hammer, Regensburg, DE;
Martin Pankofer, Plattling, DE;
Rolf Strempel, Regensburg, DE;
Andreas Stocker, Neutraubling, DE;
Alfred Bieringer, Geiselhoering, DE;
Christian Hammer, Regensburg, DE;
Martin Pankofer, Plattling, DE;
Rolf Strempel, Regensburg, DE;
Andreas Stocker, Neutraubling, DE;
MASCHINENFABRIK REINHAUSEN GMBH, Regensburg, DE;
Abstract
The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.