Control method and apparatus for air conditioners

Automatic temperature and humidity regulation – With timing element – Timer other than clock

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236 91C, 165 12, G05D 2300

Patent

active

043457142

ABSTRACT:
In control of an air conditioner, a first deviation corresponding to the rate of change of the actual air temperature in a compartment is detected such that an expected value of the actual air temperature to be obtained as a stable value under the control of the air conditioner is detected to detect a second deviation in relation to a desired temperature. When the second deviation is larger than a predetermined value, a third deviation is also detected in relation to the second deviation to adjust the temperature of air flow supplied from the air conditioner and to eliminate undesired temperature deviation caused by fluctuation of the heat load in the compartment.

REFERENCES:
patent: 4172555 (1979-10-01), Levine
patent: 4266599 (1981-05-01), Saunders et al.
patent: 4274475 (1981-06-01), Rall et al.

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