Electric circuit protector comprising parallel-connected liquid-

Details Electric circuit protector comprising parallel-connected liquid- Electric circuit protector comprising parallel-connected liquid-

1975-05-07

1976-11-09

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Expansible or vaporizable fluid-actuated

357 82, H01H 8700

Patent

active

039913961

ABSTRACT:
A liquid-metal circuit protector comprises two liquid-metal current limiting devices electrically connected in parallel with each other. Each current limiting device comprises a pair of spaced terminals and a passageway extending between said terminals and containing liquid metal. The passageways are hydraulically connected in series in a hydraulic circuit loop. Pumping means operated by current through the protector forces liquid metal around the loop via each of the passageways, and heat exchange means external to the passageways cools the liquid metal during its flow through the loop.

REFERENCES:
patent: 3902150 (1975-08-01), Wada et al.

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