Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1979-11-13
1982-01-05
Caldwell, Sr., John W.
Heat exchange
Movable heating or cooling surface
Rotary drum
340521, 340501, 340506, 340588, 165 16, 165 26, 165 30, 236 46R, F24F 300, G08B 2300
Patent
active
043089119
ABSTRACT:
A system particularly suited for residential use for monitoring various input sensors and for controlling various output devices including heat and air condition units, control motors, and alarms. A system in accordance with the invention includes one or more of the following control subsystems:
REFERENCES:
patent: 3709289 (1973-01-01), Weatherston
patent: 3724534 (1973-04-01), Weatherston
patent: 3942718 (1976-03-01), Palmieri
patent: 4071745 (1978-01-01), Hall
patent: 4078601 (1978-03-01), Kolbow
Caldwell Sr. John W.
Crosland Donnie L.
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