Patent · US Expired

Vacuum-type circuit interrupter

US4797522A · kind A · utility

3Cited by
17References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 11, 1988
Grant dateJan 10, 1989
Priority date
Expiry dateFeb 11, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2033/66269
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A vacuum circuit interrupter comprising an insulated, evacuated, cylindrical housing for a stationary electrode and a movable electrode, with an arc shield provided with a predetermined spacing from and connected to the stationary electrode. The dimensions of the electrodes are asymmetrical with the movable electrode being smaller.

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