Gas insulated circuit breaker

Details Gas insulated circuit breaker Gas insulated circuit breaker

1993-07-28

1995-09-05

Pellinen, A. D.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

218 84, 218 2, H01H 3382

Patent

active

054480302

ABSTRACT:
A gas insulated circuit breaker includes a closed tank filled with an insulation gas, one pair of separable contacts disposed in the closed tank, a supporting frame supporting the closed tank, an opening spring for performing an opening operation of the pair of contacts, a closing spring for performing a closing operation of the pair of contacts, and an actuating mechanism box accommodating an opening coil which is adapted to receive a circuit opening command for the contacts, a closing coil which is adapted to receive a circuit closing command for the contacts and an actuating mechanism for rendering the opening spring and the closing spring operative in response to an activation of the opening coil and the closing coil. A first spring casing accommodates the opening spring and is secured on the closed tank, and a second spring casing accommodates the closing spring and is secured on the supporting frame.

REFERENCES:
patent: 4839476 (1989-06-01), Okuno
patent: 5128502 (1992-07-01), Hux

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