Fuse wire switch

Details Fuse wire switch Fuse wire switch

1989-01-05

1990-03-06

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337148, H01H 8536, H01H 7120

Patent

active

049069624

ABSTRACT:
A spring powered switching mechanism in which the energy required to complete switching is stored in a spring (or springs) which are constrained in a "cocked" or stressed condition by a fuse wire. The fuse wire has the characteristic of having a relative flat coefficient of resistivity over a large temperature range. The mechanism is operative to close (or open) electrical circuits permanently upon receipt of the appropriate electrical signal to the "fuse" or "bridge" wire which is caused to break as a result of the receipt of the electrical signal.

REFERENCES:
patent: 2934625 (1960-04-01), Patrichi
patent: 3076078 (1963-01-01), Murdock et al.
patent: 3517366 (1970-06-01), Patrichi
patent: 4058781 (1977-11-01), Schantz

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