Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1975-11-19
1977-03-22
Geoghegan, Edgar W.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 27, F24F 300
Patent
active
040131181
ABSTRACT:
Incremental heating and cooling sources are energized and deenergized as required to meet the maximum heating and cooling demands of any of the zones in a temperature controlled space. Common references and comparators are employed for both heating and cooling controls.
REFERENCES:
patent: 3724534 (1973-04-01), Weatherston
patent: 3785432 (1974-01-01), Kabat et al.
patent: 3788386 (1974-01-01), Demaray
patent: 3820713 (1974-06-01), Demaray
Brace Paul H.
Zimmer Darrel E.
Barber-Colman Company
Geoghegan Edgar W.
Koch A. Richard
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