Chemically augmented electrical fuse

Details Chemically augmented electrical fuse Chemically augmented electrical fuse

1975-06-12

1976-05-18

Miller, J. D.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337160, 337296, 337401, 337405, H01H 3776

Patent

active

039582060

ABSTRACT:
A conventional fusible element is combined with exothermic reactive material such as PETN or a ribbon of aluminum-palladium to supply quickly released chemical energy for fast circuit interruption where the circuit-derived electrical energy available for interruption is low. An arc quenching substance preferably surrounds the fusible element. The exothermic reaction is initiated thermally or by supplementary electrical energy from a trigger circuit.

REFERENCES:
patent: 2305436 (1942-12-01), McMorris
patent: 2892062 (1959-06-01), Bruckner et al.
patent: 3184726 (1965-05-01), Hellgren
patent: 3377448 (1968-04-01), Baumbach
patent: 3851219 (1974-11-01), Kozorezov

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