Patent · US Expired

Electric capacitor with an excessive-pressure safety protection mechanism

US4577257A · kind A · utility

19Cited by

2References

3Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Werner Erhardt · Langenau, DE
Udo Hieber · Heidenheim, DE

Key dates

Filing date	Jul 9, 1984
Grant date	Mar 18, 1986
Priority date	—
Expiry date	Jul 9, 2004

Classification

Technology area (CPC H)Electricity
CPC primaryH01G2/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric capacitor includes a housing having an inwardly-arched, substantially spherical, dome-shaped bottom membrane, a capacitor winding disposed in the housing, an excessive-pressure protection safety device disposed in the housing in vicinity of the bottom membrane, a central core tube disposed in the winding, and an insulating disc disposed between the winding and the bottom membrane, the disc having at least two parts and including an extension protruding into the central core tube.

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