Electric fuse having gas-evolving material

Details Electric fuse having gas-evolving material Electric fuse having gas-evolving material

1978-01-09

1979-09-11

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337161, H01H 8538

Patent

active

041677234

ABSTRACT:
An electric fuse having a gas evolving substance to generate arc-quenching blasts of gas when arcing inside the fuse occurs. Fuses of this type are known. However, fuses according to present fuses are far simpler to manufacture than prior art fuses of this description. They comprise a block of gas evolving material shorter than the diameter of the casing of the fuse arranged substantially transversely to and between a pair of fusible elements, the pair of fusible elements hugging a portion of the periphery of the block so as to position the block loosely at a predetermined point between the terminal elements.

REFERENCES:
patent: 2142840 (1938-04-01), Grosse

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