Double-flow puffer-type compressed-gas circuit-interrupter

Details Double-flow puffer-type compressed-gas circuit-interrupter Double-flow puffer-type compressed-gas circuit-interrupter

H - Electricity

01

H

306/230

H01H 33/91 (2006.01)

Patent

CA 1129916

46,399 ABSTRACT OF THE DISCLOSURE An improved puffer-type, compressed-gas circuit- interrupter is provided having an improved double-flow operation, and improved cooling means for cooling the com- pressed gas prior to its ejection through the insulating movable nozzle and into the established arc. Additionally, the instant invention comprises the use of flexible movable arcing contact fingers with a surrounding cylindrical guide-valve sleeve to prevent premature leakage of com- pressed gas through the longitudinal finger slots provided in the movable arcing contact fingers during the opening operation. Such movable cylindrical guide-valve sleeve may be either insulating or metallic, as desired.

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