Automatic temperature and humidity regulation – Thermostatic – Hot and cold
Patent
1992-09-02
1993-05-11
Tanner, Harry B.
Automatic temperature and humidity regulation
Thermostatic
Hot and cold
236 9A, 236 37, 236 493, 165 16, G05D 2300
Patent
active
052093980
ABSTRACT:
A temperature control system and method for maintaining the temperature of air within an air pressure controlled enclosure at a desired temperature. The system uses an energy flow model to determine the temperature to which the air supplied to the enclosure must be heated to attain the desired temperature within the enclosure. The energy flow model determines the desired supply air temperature based on the temperature and flow rate of the supply air, the current temperature of the air in the enclosure, the heat transfer rate within the enclosure, and the temperature and flow rate of make-up air entering the enclosure.
REFERENCES:
patent: 4548355 (1985-10-01), Stolz et al.
patent: 4630670 (1986-12-01), Wellman et al.
patent: 4757944 (1988-07-01), Kagohata et al.
patent: 5139197 (1992-08-01), Seshomo et al.
Five (5) page brochure of Krueger (Divison of Philips Industries) entitled "System 3-Custom DDC VAV Laboratory Ventilation Equipment, 1988".
Johnson Service Company
Tanner Harry B.
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