Means for automatic ambient temperature control

Automatic temperature and humidity regulation – High and low temperature alternate

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Details

200 6162, 165 111, G05D 2300, H01H 316

Patent

active

045851620

ABSTRACT:
An improved automatic energy-efficient temperature control system for a room or suite of rooms. This system is used in addition to the normal temperature responsive switch which is used to control a heating and/or cooling unit. This system involves a second temperature sensitive switch, set to a temperature which utilizes less heating or cooling. While using the normal operating temperature while persons are in the room, the second temperature responsive switch is short-circuited by a manual switch, or one operated by a magnetic or gravity means. The control of the shorting switch is made responsive to the entry or departure of persons from the room. Thus while they are present, a more comfortable operating temperature is provided and when they are absent from the room, a more energy-efficient situation is imposed.

REFERENCES:
patent: 4058740 (1977-11-01), Dalton et al.
patent: 4060123 (1977-11-01), Hoffman et al.
patent: 4091866 (1978-05-01), Curatolo
patent: 4095740 (1978-06-01), Wirth
patent: 4293020 (1981-10-01), Day
patent: 4319712 (1982-03-01), Bar
patent: 4333604 (1982-06-01), Petrillo

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