Patent · US Expired

Tap changer

US6091032A · kind A · utility

12Cited by

6References

5Claims

0Family size

Assignee

MASCHINENFABRIK REINHAUSEN GMBH · DE

Inventors

Dieter Dohnal · Lappersdorf, DE
Klaus Hopfl · Maxhütte-Haidhof, DE
Silke Wrede · Zeitlarn, DE

Key dates

Filing date	Oct 1, 1998
Grant date	Jul 18, 2000
Priority date	—
Expiry date	Oct 1, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH01H9/0016
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A tap changer has a bypass switch with a rotary pair of movable contacts engaging arc segmental fixed contacts of a length greater than the spacing between the movable contact which spacing is greater than the spacing between the fixed contacts of the bypass switch.

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