Spring operating devices for high-voltage circuit-breakers

Details Spring operating devices for high-voltage circuit-breakers Spring operating devices for high-voltage circuit-breakers

1979-03-05

1981-03-17

Little, Willis

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 510

Patent

active

042569419

ABSTRACT:
In a spring operating device for high-voltage circuit-breakers, opening springs include at least two cooperating torsion bars clamped at one end to each other and connected at the free end to a movable contact of the breaker such that the torsion bars have opposite directions of rotation.

REFERENCES:
patent: 3213214 (1965-10-01), Hyuga
patent: 3470750 (1969-10-01), Wetter
patent: 3582591 (1971-06-01), Few
patent: 3898409 (1975-08-01), Liebig et al.
patent: 3898420 (1975-08-01), Evans
patent: 4156803 (1979-05-01), Barkan

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