Temperature responsive reed switch

Details Temperature responsive reed switch Temperature responsive reed switch

1976-02-20

1977-05-10

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Thermomagnetic

335217, H01H 3732

Patent

active

040231283

ABSTRACT:
A temperature responsive reed switch having magnetic reed pieces, a permanent magnet disposed near a contact of the reed switch and being magnetized in an axial direction of the reed switch, two temperature responsive magnetic materials disposed adjacent the ends of the permanent magnet in the axial direction of the reed switch and a magnetic yoke disposed adjacent the outer surfaces of the temperature responsive magnetic material.

REFERENCES:
patent: 3008019 (1961-11-01), Scheidig
patent: 3750064 (1973-07-01), Kato et al.
patent: 3812441 (1974-05-01), Sakamoto et al.
patent: 3895328 (1975-07-01), Kato et al.
patent: 3903492 (1975-09-01), Endo et al.

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