Means for recycling liquified insulating gas in a gas insulated

Details Means for recycling liquified insulating gas in a gas insulated Means for recycling liquified insulating gas in a gas insulated

1975-07-31

1976-10-12

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

174 11R, 200 84B, H01H 3357

Patent

active

039859878

ABSTRACT:
Liquid SF.sub.6 from the high pressure storage tanks within the gas sealed enclosure of a multi-interrupter gas insulated circuit breaker is collected in a tank located externally of the circuit breaker enclosure. A float within the liquid collecting tank operates a micro switch to effect operation of a solenoid actuated valve to pass the liquid SF.sub.6 into the low pressure system of the circuit breaker wherein it again returns to its gaseous state. The collected SF.sub.6 gas in the low pressure system is pumped back into the high pressure system through a compressor.

REFERENCES:
patent: 3622725 (1971-11-01), McConnell
patent: 3686451 (1972-08-01), Pottharst, Jr.
patent: 3846602 (1974-11-01), Hoffmann

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