Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1987-11-02
1989-01-03
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
310 68C, 337372, 361388, H01H 3704
Patent
active
047959975
ABSTRACT:
Snap action thermostat has a housing molded onto two flat terminals to form a cavity wherein inner portions of the terminals are exposed. A contact arm is welded to the inner portion of one terminal, a dished bistable bimetal element is placed loosely in the cavity, and a fulcrum plate is provided thereover to bias the bimetal element against the contact arm in one of the stable positions to close the circuit. A mounting plate fixed to the housing provides a heat sink to ensure prompt temperature response.
REFERENCES:
patent: 4045761 (1977-08-01), Peterson
patent: 4308517 (1981-12-01), Peterson
patent: 4620175 (1986-10-01), Karr et al.
Fisher David F.
Sprankle David A.
Broome H.
Faller F. Brice
North American Philips Corporation
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