Patent · US Active

MOV failure mode identification

US7593209B2 · kind B2 · utility

4Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 2008
Grant dateSep 22, 2009
Priority date
Expiry dateMay 23, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02H9/042
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A surge protector includes a thermal fuse, a metal oxide varistor electrically connected in series relation to the thermal fuse, and a detection network electrically connected in parallel relation to the thermal fuse and the metal oxide varistor. A first indicating means indicates whether or not the thermal fuse is in operation and a second indicating means indicates whether or not the metal oxide varistor is in operation.

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