Anticipating dual set-point bistable thermostat

Details Anticipating dual set-point bistable thermostat Anticipating dual set-point bistable thermostat

1989-03-21

1990-02-20

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

165 12, F23N 520

Patent

active

049019171

ABSTRACT:
Automatically adjusting the time when control is returned to the operational set-point, in compensation for changing load conditions, is accomplished by measuring the operation of a heating or cooling system controller in its standby mode, and using this measurement to calculate the advance time required to return the system to its operational temperature. The operational factor to be measured depends on the control system: with a bistable or on-off thermal source, such as a household furnace, measurement of the time required to heat the house the few degrees between the set-back on and off set-points will permit calculation of the time required to reheat the house to its operational temperature.

REFERENCES:
patent: 4172555 (1979-10-01), Levine
patent: 4298946 (1981-11-01), Hartsell et al.
patent: 4333316 (1982-06-01), Stamp, Jr. et al.
patent: 4388692 (1983-06-01), Jones et al.
patent: 4442972 (1984-04-01), Sahay et al.
patent: 4645908 (1987-02-01), Jones
patent: 4685307 (1987-08-01), Jones
patent: 4799176 (1989-01-01), Cacciatore

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