Patent · US Expired

Circuit breaker

US4700082A · kind A · utility

3Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1986
Grant dateOct 13, 1987
Priority date
Expiry dateMay 8, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H36/0006
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A circuit breaker for automatically interrupting the flow of an electric current from a power supply to a load such as a microcomputer before the load malfunctions so as to avoid an unexpected accident such as a fire. The circuit breaker includes a wire subject to erosion upon exposure to an acid atmosphere which will separate prior to the malfunction of the load to interrupt the flow of current to the load. Alternatively, the circuit breaker could include a mass of powdery material which expands upon exposure to an acid atmosphere to operate a switch to interrupt the flow of current.

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