Automatic temperature and humidity regulation – Ventilator type
Patent
1978-11-27
1980-12-30
Wayner, William E.
Automatic temperature and humidity regulation
Ventilator type
98 15, 98 33R, 236 1E, B64D 1300, F24F 700
Patent
active
042418712
ABSTRACT:
An automatic ventilation system for an enclosure for animals, fowl and the like, whereby plural banks of exhaust fans are controlled by respective thermostats set for operation at respective individual temperatures over an operating range of temperatures, while movable baffles or the like at air inlet apertures are adjusted under the control of a differential-pressure sensing means to regulate the rate of flow of air through the inlet apertures to maintain a desired difference between the barometric pressure within and without the enclosure irrespective of the number of banks of fans in operation at a given time; when the thermostat set at the highest temperature is actuated, the movable baffles are adjusted for maximum flow irrespective of the output of the differential-pressure sensing means, thereby establishing a second, and smaller, differential pressure; upon failure of the primary power source, a second power source is automatically utilized to adjust the inlet baffles to a position of maximum opening, with automatic return to normal operation upon revival of the primary power source.
REFERENCES:
patent: 3601030 (1971-08-01), Bryant
patent: 3611906 (1971-10-01), Lorenz
Newell, III Alfred T.
Newell, Jr. Alfred T.
Hill David H.
Wayner William E.
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