Automatic temperature and humidity regulation – Motors – Electric
Patent
1998-11-04
2000-11-14
Wayner, William
Automatic temperature and humidity regulation
Motors
Electric
165210, 236 99D, 337380, H01H 3704, G05D 2312
Patent
active
061457523
ABSTRACT:
This invention generally relates to a thermostat system for use in thermal regulation of an environment.
This invention involves thermal regulation systems for controlling the temperature of an environment and the thermostat systems used in thermal regulation systems. The invention provides a pair of contacts and a creep action bi-metal thermostat, electrically connected to the pair of contacts. The bi-metal thermostat provides an electrical connection between the pair of contacts when the thermostat is exposed to temperatures within one defined range, and the thermostat interrupts any electrical connection between the pair of contacts when the thermostat is exposed to temperatures that are outside of the defined range. A capacitor, is electrically connected between the contacts, in parallel with the creep action bi-metal thermostat to prevent heating caused by electrical arcing within the bi-metal thermostat from altering the performance of the bi-metal thermostat. A cover having an exterior surface confronting the medium being thermally regulated and an interior surface, enveloping the thermostat, creates a thermal drag between the temperatures experienced by the thermostat and the ambient temperature of the medium being thermally regulated.
REFERENCES:
patent: 1478084 (1923-12-01), Whittington
patent: 2649530 (1953-08-01), Dietz
patent: 2836695 (1958-05-01), Johnson
patent: 3993120 (1976-11-01), Iberg et al.
patent: 4338791 (1982-07-01), Stamp, Jr. et al.
patent: 4556169 (1985-12-01), Zervos
patent: 4784212 (1988-11-01), Brimer et al.
patent: 5002226 (1991-03-01), Nelson
patent: 5277244 (1994-01-01), Mehta
http://media4.hypernet.com/.about.ELMWOOD/bimetal.htm. ELMWOOD SENSORS--Bimetal Thermostats.
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