Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Patent
1998-12-09
2000-12-05
Lazarus, Ira S.
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
165265, 236 91D, 236 91G, 236 94, 236DIG9, F24F 1104
Patent
active
061553417
ABSTRACT:
A method for adjusting the continuous speed of the blower of a heating and/or cooling system of the type including a thermostat having a mode selector switch which has at least one heating position, a cooling position, and an off position, a fan switch having an on position or state and an auto position or state, and a programmable control device responsive to the thermostat for generating speed select signals for use in setting the speed of the blower motor. The programmable control device is programmed or reprogrammed so that, when the mode selector switch is in its off position or when there is no call for heating or cooling at the thermostat, time dependent movements of the fan switch away from and back to its on position are recognized as requests for changes in the continuous speed of the blower motor. The programmable control device is further programmed or reprogrammed to change the blower speed from one value to the next adjacent value each time the programmable control device recognizes the occurrence of a request for a change in speed.
REFERENCES:
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patent: 4534406 (1985-08-01), Newell, III et al.
patent: 5197667 (1993-03-01), Bowsky et al.
patent: 5511724 (1996-04-01), Freiberger et al.
patent: 5983146 (1999-11-01), Sarbach
patent: 5984003 (1999-11-01), Butler
Dempsey Daniel J.
Thompson Kevin D.
Van Ostrand William F.
Carrier Corporation
Ciric Ljiljana V.
Lazarus Ira S.
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