Patent · US Active

Double-contact switch having vacuum switching chambers

US10964497B2 · kind B2 · utility

0Cited by

8References

7Claims

0Family size

Assignee

Eaton Intelligent Power Limited · IE

Inventors

Johannes Meissner · Bonn, DE
Gerd Schmitz · Niederkassel, DE
Marcel Uedelhoven · Kall, DE
Oliver Kreft · Bonn, DE
Michael Wohlang · Bornheim, DE
Kai Schroeder · Niederkassel, DE

Key dates

Filing date	Jun 6, 2018
Grant date	Mar 30, 2021
Priority date	—
Expiry date	Jun 6, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH01H33/664
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A double-contact switch includes: a first and second tubular vacuum switching chamber formed as partial switching chambers of a switching tube; an electrode fixed in the switching tube and arranged between the first and second vacuum switching chambers and having a first fixed contact projecting into the first vacuum switching chamber and a second fixed contact projecting into the second vacuum switching chamber; a first electrode arranged in the first vacuum switching chamber and movable within the first vacuum switching chamber in an axial direction thereof, the first electrode having a region which bears a contact and is closed off in a gastight manner relative to an exterior of the first vacuum switching chamber; a second electrode arranged in the second vacuum switching chamber and movable within the second vacuum switching chamber in an axial direction thereof, the second electrode having a region which bears a contact.

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