Automatic temperature and humidity regulation – Heating radiator – Combined radiator and apartment controlled
Patent
1979-12-12
1982-03-23
Tapolcai, Jr., William E.
Automatic temperature and humidity regulation
Heating radiator
Combined radiator and apartment controlled
236 91F, 236 84, 165 40, F28F 2700
Patent
active
043208703
ABSTRACT:
A temperature control system for maintaining a selected location at a preselected temperature comprises a supply of heat transfer fluid, a first control for controlling the temperature of the heat transfer fluid, a heat exchanger for receiving the heat transfer fluid and establishing a heat exchange relationship between the heat transfer fluid and the material at the selected location, a second control for controlling the supply of heat transfer fluid to the heat exchanger, and a thermostat. The thermostat is a differential thermostat having a first sensor to sense the temperature at the selected location and a second sensor to sense the temperature of the heat transfer fluid, and is connected to the second control and is operative to actuate the second control to maintain the difference between the temperatures sensed by the first and second sensors at a selected value. Therefore, adjustment of the first control cause the preselected temperature to be adjusted accordingly.
REFERENCES:
patent: 2075160 (1937-03-01), Baker
patent: 2299335 (1942-10-01), McGrath
patent: 2594477 (1952-04-01), Miner et al.
patent: 2816712 (1957-12-01), Herreshoff
patent: 2869832 (1959-01-01), McElgin
patent: 4017028 (1977-04-01), Manor
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