Puffer piston gas blast circuit interrupter with insulating nozz

Details Puffer piston gas blast circuit interrupter with insulating nozz Puffer piston gas blast circuit interrupter with insulating nozz

1974-04-05

1976-03-23

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3388

Patent

active

039461831

ABSTRACT:
A gas blast circuit interrupter of the puffer piston type is provided having one relatively solid contact and one vented contact which make valve closed engagement in the closed position. In all embodiments of the invention, the insulating nozzle and the vented contact are fixedly interconnected by means of a vented electrically conducting ring. The vented contact comprises a cluster nozzle for venting gas during contact parting and for grasping the solid conductor during contact. The cooperating arrangement among the parts allows the puffer gas to vent through parallel paths.

REFERENCES:
patent: 3291948 (1966-12-01), Telford
patent: 3659065 (1972-04-01), Roidt et al.
patent: 3814883 (1974-06-01), Milianowicz

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