Patent · US Active

Circuit breaker with fluid injection

US9312085B2 · kind B2 · utility

0Cited by
16References
66Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2014
Grant dateApr 12, 2016
Priority date
Expiry dateAug 19, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2033/912
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A circuit breaker including an ejection device including an arc-extinction medium for improved extinction of an arc formed during a breaker operation and an exhaust-cooling medium for improved cooling of exhaust gases in the circuit breaker. Thereby, the arc-extinction liquid includes an organofluorine compound having a boiling point Tb at 1 bar higher than −60° C. and being selected from the group of: a fluoroether; a fluoroamine; a fluoroketone; and mixtures thereof.

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