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:
Nov. 19, 2019
Filed:
Apr. 13, 2016
Maschinenfabrik Reinhausen Gmbh, Regensburg, DE;
Alfred Bieringer, Geiselhoering, DE;
Christian Hammer, Regensburg, DE;
Christian Hurm, Deuerling, DE;
Andreas Sachsenhauser, Mallersdorf-Pfaffenberg, DE;
MASCHINENFABRIK REINHAUSEN GMBH, Regensburg, DE;
Abstract
A load stepping switch () for uninterrupted changeover between winding taps (n, n+1) on a control winding () comprises —a changeover switch () that comprises a first, second and third changeover contact () and can adopt a first position, in which the first and third changeover contacts are connected, a second position, in which the second and third changeover contacts are connected, and a bridge position, in which the changeover contacts are connected; —a first fixed contact () that can be connected to a first winding tap; —a second fixed contact () that can be connected to a second winding tap; —a first moving contact () that can optionally make contact with each of the fixed contacts; —a second moving contact () that can optionally make contact with each of the fixed contacts; —a main path () that connects the first moving contact to the first changeover contact; —an auxiliary path () that connects the second moving contact to the second changeover contact via a current-limiting element (); —a switching element () that is connected between the main path and the second changeover contact.