Actuator mechanism for a high-voltage circuit breaker

Details Actuator mechanism for a high-voltage circuit breaker Actuator mechanism for a high-voltage circuit breaker

1988-12-13

1990-11-06

Recla, Henry J.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

200 81R, 200501, H01H 500

Patent

active

049688618

ABSTRACT:
In a stored-spring-energy type actuator mechanism for a high-voltage circuit breaker, energy is stored in a spiral spring in order to switch on the circuit breaker and also to load a switch-off spring of the circuit breaker. To store sufficient energy for more than one switch-on operation, a fluid-pressure accumulator is provided in which sufficient energy is stored to wind up the spiral ring at least one additional time through a fluid-pressure motor. Between the pressure accumulator and the motor is a control valve which opens when the spiral spring is partly unloaded, causing the hydraulic motor to rewind the spring.

REFERENCES:
patent: 2822445 (1958-02-01), Schindler et al.
patent: 3867814 (1975-02-01), Schneider
patent: 4166937 (1979-09-01), Imam et al.
"Super-Baby", Sprecher Energie Revue, No. 1/86, pp. 4 and 5.

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