Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – Plural diverse actuating means in single switch
Patent
1988-07-28
1989-12-12
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
Plural diverse actuating means in single switch
337 3, 337107, H01H 3702, H01H 7116
Patent
active
048870625
ABSTRACT:
A thermal sensor assembly is shown as having a housing formed of first and second body sections with the first being a probe-like portion for introduction into a medium the temperature of which is to be monitored; a thermistor and an electrical switch are electrically isolated from each other and situated within the housing; the thermistor is in series with and between one of the body sections and a terminal which is connectable to associated circuitry external of the sensor assembly; the electrical switch is effective to close an electrical circuit as between the same one of the body sections and a second terminal which is connectable to additional associated circuitry external of the sensor assembly.
REFERENCES:
patent: 3890588 (1975-06-01), Kanaya et al.
patent: 4208786 (1980-06-01), Merchant et al.
patent: 4223293 (1980-09-01), Springer et al.
patent: 4306210 (1981-12-01), Saur
Broome H.
Hi-Stat Manufacturing Co., Inc.
Romanski Lon H.
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