Patent · US Active

Switching system with preselector

US9984833B2 · kind B2 · utility

1Cited by

14References

8Claims

0Family size

Assignee

MASCHINENFABRIK REINHAUSEN GMBH · DE

Inventors

Uwe Kaltenborn · Regensburg, DE
Thomas Strof · Gumpoldskirchen, AT
Christian Hurm · Regensburg, DE
Anatoli Saveliev · Zeitlarn, DE
Gerhard Baeuml · Regenstauf, DE
Alfred Bieringer · Geiselhöring, DE
Eduard Zerr · Regensburg, DE
Wolfgang Albrecht · Wenzenbach, DE
Martin Hausmann · Lappersdorf, DE
Andreas Stocker · Neutraubling, DE

Key dates

Filing date	Sep 26, 2014
Grant date	May 29, 2018
Priority date	—
Expiry date	Dec 18, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH01H9/0038
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a step switch, comprising a pre-selector and a fine selector. The invention is characterized in that the step switch has a connection (36) between the pre-selector and the fine selector (18), at least one coupling switch (38) being arranged in said connection. A pre-selector can be switched in a largely gas-free manner by means of said switchable connection with the aid of the fine selector.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.