Double-flow compressed-gas operating mechanism for a high-voltag

Details Double-flow compressed-gas operating mechanism for a high-voltag Double-flow compressed-gas operating mechanism for a high-voltag

1978-03-16

1980-05-27

Truhe, J. V.

Electricity: circuit makers and breakers

Fluid pressure

Piston

91415, 200148A, H01H 3538

Patent

active

042052084

ABSTRACT:
An improved double-flow-type of compressed-gas operating mechanism is provided for actuating a high-voltage circuit-breaker including a double driving head, movable, actuating piston, having different opposite working areas to thereby accommodate the higher power required to effect the opening operation (which may be as much as ten times the power needed for the closing operation) and the provision of suitable means for resiliently retaining the driving piston in either of its open or closed-circuit end positions.

REFERENCES:
patent: 2997564 (1961-08-01), Baker
patent: 3189700 (1965-06-01), Eidson
patent: 3485046 (1969-12-01), Gebhardt
patent: 3858485 (1975-01-01), Rosaen et al.

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