Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1987-12-21
1989-05-02
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
337354, H01H 3704, H01H 3752
Patent
active
048272396
ABSTRACT:
A heat collector for thermostatic fire detectors comprises a one-piece circular metal member having a closed central depression that forms the bottom of a bimetal snap disc chamber in a thermostatic switch.
REFERENCES:
patent: 3297845 (1967-01-01), Mertler
patent: 4591822 (1986-05-01), Versaw et al.
patent: 4623866 (1986-11-01), Hutchison
Holden Ronald L.
Versaw Douglas P.
Broome H.
Therm-O-Disc Incorporated
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