Patent · US Expired

Contact arrangement for vacuum switches

US4334133A · kind A · utility

8Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1980
Grant dateJun 8, 1982
Priority date
Expiry dateMar 24, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H33/6642
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A contact arrangement for vacuum switches with coaxially arranged cup contacts, the slotted contact carrier of which is provided with a contact ring, in which, the exposed surface of the contact ring is provided with bevels extending radially inward and outward and the contact ring and/or the contact carrier contain an annular zone with an electric conductivity which is substantially reduced in comparison with the material of the contact carrier.

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