Method and apparatus for monitoring and controlling air handling

Details Method and apparatus for monitoring and controlling air handling Method and apparatus for monitoring and controlling air handling

1994-03-15

1995-09-12

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

236 51, 374197, G01K 500, F24F 700

Patent

active

054491126

ABSTRACT:
A flow control device (34) is provided and is interfaced with at least one of the HVAC ducts (14). The flow control device (34) is operable to control the flow of air through the HVAC ducts (14) in response to flow control signals. A flow control command device (24) is disposed proximate to one efferent end (16) of the HVAC duct (14) for generating flow control commands. An ultrasonic transmitter (23) is provided and is coupled to the flow control command device (24). The transmitter (24) is operable to generate and transmit an ultrasonic carrier (26) modulated with the flow control commands to the flow control device (34) through the HVAC duct (14). An ultrasonic receiver (28) is provided for receiving the ultrasonic carrier modulated with the flow control commands and extracting the flow commands therefrom. A control system (30) is provided for converting the flow control commands to flow control signals for transfer to the flow control device (34) to control the operation thereof. A remotely disposed central control system (84) is provided for interpreting and analyzing the flow control commands received by the ultrasonic transceiver (82) in accordance with a control program and generating flow control signals to control the flow control devices (34) in response to receipt of the flow control commands by the ultrasonic transceiver (82).

REFERENCES:
patent: 4382543 (1983-05-01), Morrison

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