Environmental control system

Details Environmental control system Environmental control system

1975-11-28

1978-08-22

Schwadron, Martin P.

Refrigeration

Automatic control

Of external fluid or means

236 1R, 236 49, F25D 1704

Patent

active

041079418

ABSTRACT:
An environmental control system for enclosures that accommodate human activities. The system includes an environmental conditioner such as a heating or air conditioning unit for supplying temperature conditioned air to the enclosure and a sensor for detecting the presence of humans occupying the enclosure. In response to an absence of humans within the enclosure, the sensor fails to produce a signal causing a control system to either reduce or terminate the flow of conditioned air into the enclosure and thereby reduce the level of energy consumed by the unoccupied enclosure.

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patent: 3934797 (1976-01-01), Perlmutter

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