Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With longitudinally expansible solid element
Patent
1977-01-10
1978-09-12
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With longitudinally expansible solid element
337383, 337394, H01H 3748
Patent
active
041141296
ABSTRACT:
There is disclosed a thermally responsive actuator useful for solenoids of electromagnetic valves and the like that includes a thermally responsive assembly of first and second metallic members that function as a thermocouple to generate an electrical voltage and also as a bimetallic operator for a switch carried within a housing of the device and operative to make and break the thermocouple circuit.
REFERENCES:
patent: 2705747 (1955-04-01), Strange
patent: 3213244 (1965-10-01), McCarrick
patent: 4008454 (1977-02-01), Bowling
Parsons Bruce B.
Wolfe Denis G.
Broome Harold
Robertshaw Controls Company
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