Apparatus for controlling the drive for hydraulically actuated h

Details Apparatus for controlling the drive for hydraulically actuated h Apparatus for controlling the drive for hydraulically actuated h

1976-09-14

1978-07-18

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Piston

200148F, 200308, 200 815, H01H 3538

Patent

active

041017463

ABSTRACT:
Apparatus for controlling the drive for an hydraulically actuated high voltage power circuit breaker is disclosed. More particularly, the apparatus includes a number of position signal transmitter means each associated with a different one of the circuit breaker contact units. These means are each connected to respective freewheel clutches which are connected to the actuating member of a control switch means. The latter switch means is constructed so that it provides off commands to the breaker units only when all the transmitter means connected thereto are in an on or off position. The switch means is also continuously biased toward an off condition with the force of an energy accumulator.

REFERENCES:
patent: 2849627 (1958-08-01), Rigert
patent: 3083277 (1963-03-01), Tsutsui
patent: 3606764 (1971-09-01), Yokouchi

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