Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1976-09-27
1977-11-29
Wayner, William E.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
70 57, 236 47, 236 51, 340417, 361165, G05D 2324, F05B 6500
Patent
active
040601234
ABSTRACT:
An improved energy saving control apparatus particularly designed for providing energy saving control of individual room heating and cooling units in direct response to the active occupancy status of the room. Switching means selectively interrupt energization of the load element of a room heating/cooling unit in response to an interrupt control signal. An electronic energy saving control circuit responds to changes in the ambient air room temperature and overrides the heating/cooling unit thermostat to selectively generate the interrupt control signal for maintaining the ambient air room temperature within a broad predetermined and pre-settable energy saving temperature range whenever the room is not actively occupied. Occupancy status detector means, including a uniquely detectable and detachable member typically carried by the room occupant and cooperative detector means within the room provides a real time indication of the active occupancy status of the room. Circuit means responsive to the detected occupancy status overrides the electronic energy saving control circuit whenever the room is actively occupied, causing the heating/cooling unit thermostat to regulate the ambient room air temperature within a narrow settable comfort temperature range.
REFERENCES:
patent: 1597773 (1926-08-01), Dodge
patent: 2655806 (1953-10-01), Stiler
patent: 3188618 (1965-06-01), Rentz
patent: 3352490 (1967-11-01), Dalzell et al.
patent: 3729735 (1973-04-01), Dageford
Bolton Dewayne P.
Hoffman Gerald F.
Fabri-Tek Incorporated
Golla Charles E.
Wayner William E.
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