Patent · US Active

Switching device

US11557448B2 · kind B2 · utility

0Cited by

12References

20Claims

0Family size

Assignee

TDK Electronics AG · JP

Inventors

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

Key dates

Filing date	Apr 16, 2019
Grant date	Jan 17, 2023
Priority date	—
Expiry date	Apr 16, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2050/025
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In an embodiment a switching device includes at least one stationary contact in a switching chamber containing a gas comprising H2 and one movable contact in the switching chamber, wherein the switching chamber has a switching chamber wall and a switching chamber base, and wherein the switching chamber at least partially comprises a polymer material configured to release hydrogen when heated.

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