Patent · US Expired

Two path voltage arrester

US4015172A · kind A · utility

6Cited by

1References

3Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Gerhard Peche · Berlin, DE
Gerhard Lange · Berlin, DE

Key dates

Filing date	Mar 17, 1975
Grant date	Mar 29, 1977
Priority date	—
Expiry date	Mar 17, 1995

Classification

Technology area (CPC H)Electricity
CPC primaryH01T1/22
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A two path overvoltage arrester comprising two frustum-shaped main electrodes which have facing portions forming planar electrode surfaces facing toward each other and which are mounted into opposite ends of a tubular insulator member which also has a ring electrode mounted at its center and wherein both sides of the ring electrode as well as the planar electrode surfaces of the main electrodes are provided with relatively thin ring shaped attachments so as to provide hollow electrodes into which can be inserted an activation material.

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