Patent · US Expired

Surge absorber

US5036420A · kind A · utility

1Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 1989
Grant dateJul 30, 1991
Priority date
Expiry dateJul 28, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01T4/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A surge absorber utilizes a varistor electrically connected to a surge absorbing element. The varistor voltage and nonlinearity factor are chosen so that the varistor has a preselected voltage-current characteristic which prevents the varistor from breaking down and short circuiting and resulting in a thermal runaway.

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