Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1992-09-16
1994-06-07
Rivell, John
Heat exchange
Movable heating or cooling surface
Rotary drum
236 493, F24F 700
Patent
active
053181042
ABSTRACT:
The present invention describes an apparatus and method for controlling the temperature in a plurality of comfort zones within a house or building. The invention contemplates a series of zone control devices which are selectively opened or closed to allow heating and/or cooling to individual zones. The temperature in each zone is sensed and compared to a preferred setpoint temperature to determine a temperature error for each zone. The respective temperature error signals for each zone are used to determine the zone of greatest thermal error. The zone of greatest thermal error is used to turn the heating/cooling plant on and off. The remaining zone or zones of lesser thermal error have their zone control devices closed or opened, depending upon the temperature error signal for their respective zones. In this manner, all zones are synchronized to the zone of greatest thermal error and to the cycle of the heating/cooling plant.
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Buchholz Robert L.
Grald Eric W.
MacArthur J. Ward
Nelson Lorne W.
Shah Dipak J.
Champion Ronald E.
Honeywell Inc.
Rivell John
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