Patent · US Active

Switching device with two stationary contacts and a movable contact in a switching chamber

US11462379B2 · kind B2 · utility

1Cited by

2References

12Claims

0Family size

Assignee

TDK Electronics AG · JP

Inventors

Frank Werner · Berlin, DE
Robert Hoffmann · Berlin, DE

Key dates

Filing date	Apr 12, 2019
Grant date	Oct 4, 2022
Priority date	—
Expiry date	Apr 12, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2050/028
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In an embodiment a switching device includes at least two stationary contacts and one movable contact in a switching chamber, wherein the switching chamber has a switching chamber wall, wherein each of the stationary contacts projects into the switching chamber through a respective opening in the switching chamber wall, and wherein, on an inner side of the switching chamber that faces the movable contact, a continuous surface region occluded from the stationary contacts is located between the openings in the switching chamber wall.

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