Acoustic control for zone heat control system

Details Acoustic control for zone heat control system Acoustic control for zone heat control system

1981-06-19

1983-05-10

Wayner, William E.

Automatic temperature and humidity regulation

Hot-air furnace

165 11R, 236 51, 367 82, G05D 2300

Patent

active

043825435

ABSTRACT:
Thermostatically controlled valves and acoustic transducers are energized by thermostats in individual zoned heated areas of a structure. The thermostatic valves or dampers permit heated fluid to convey heat to their respective zoned heated areas and the acoustic transducer couples an acoustic signal to a feed or return duct or line. The acoustic signal is transmitted on the duct or line to an acoustic receiver in the vicinity of the furnace which, upon receiving the acoustic signal transduces the acoustic signal to an electric signal which is effective to control a controller. In one embodiment of the invention, periodic listening pulses are employed in the operation of the furnace and/or circulator to avoid interference with the communication system due to noise of these components.

REFERENCES:
patent: 2406859 (1946-09-01), Smith
patent: 3202208 (1965-08-01), Geiringer
patent: 3988896 (1976-11-01), Matthews
patent: 4073341 (1978-02-01), Parker

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