Adaptive control system

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

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165 12, F23N 520

Patent

active

046206680

ABSTRACT:
An adaptive control system uses a controller for controlling an air temperature treatment apparatus at a reduced energy consuming level during periods of non-occupancy of a building and for energizing the air treatment apparatus before occupancy so that a desired internal building temperature is reached by a time of occupancy. The controller includes a temperature sensor for sensing an environmental temperature within the building, a control timer responsive to the actual time-of-day for initiating the start of a pre-occupancy control cycle for the temperature treatment apparatus at a first predetermined real time, an adjustable timer for defining a second predetermined time following the first time, and logic means for incrementing or decrementing the second predetermined time by an incremental time in response to a comparison of the environmental temperature reached in the building at the end of the sum of the first and second real times with a setpoint temperature representative of the desired building temperature.

REFERENCES:
patent: 4156502 (1979-05-01), Day
patent: 4475685 (1984-10-01), Grimado et al.
patent: 4522336 (1985-06-01), Culp

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