Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1975-12-18
1977-08-02
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
337358, H01H 3770, H01H 3774
Patent
active
040399915
ABSTRACT:
A trip free miniature thermostatic switch having a bimetallic disc located therein is responsive to temperature for localized control of an electrical circuit. A reset mechanism in said switch provides for closing of the circuit therein, but only after the temperature has returned the bimetallic disc to the switch closed position. For example, a bimetallic member may move a switch component to the open position where it is releasably retained until the temperature change has reversed and the release mechanism is positively operated.
REFERENCES:
patent: 3081388 (1963-03-01), Cox
patent: 3500278 (1970-03-01), Them
Broome Harold
Elmwood Sensors Inc.
Rosen Alfred H.
Steinhilper Frank A.
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