Thermal cut-off fuse

Details Thermal cut-off fuse Thermal cut-off fuse

1980-02-21

1981-07-28

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Expansible or vaporizable fluid-actuated

337118, 337122, 337407, H01H 3736

Patent

active

042813077

ABSTRACT:
A thermal cut-off fuse of a self-restoring type, which breaks the electric continuity between a pair of lead wires in response to melting and voluminal expansion of a temperature-sensitive member upon rise of the ambient temperature to a prescribed temperature and, in response to restoration of spring means upon fall of the ambient temperature below the prescribed temperature, reestablishes the electric continuity between the pair of lead wires.

REFERENCES:
patent: 2955179 (1960-10-01), Milton et al.
patent: 3909763 (1975-09-01), Soeno et al.
patent: 3956725 (1976-05-01), Merrill et al.
patent: 4024488 (1977-05-01), Kamino
patent: 4186366 (1980-01-01), McVey

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