Air conditioning system utilizing a Karman vortex detecting type

Details Air conditioning system utilizing a Karman vortex detecting type Air conditioning system utilizing a Karman vortex detecting type

1984-06-29

1986-04-22

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

165 16, 417 43, F04B 4900, F25B 2900

Patent

active

045836833

ABSTRACT:
Fluid flowmeter, air conditioning system and method of controlling the air conditioning system which includes a Karman vortex generator, ultrasonic transmitter and receiver apparatus and networks for detecting the Karman vortices and for detecting and controlling information of a received wave and a reference wave of the ultrasonic transmitter. The flowmeter detects an air flow volume and/or speed by Karman vortex detecting means using ultrasonic waves. The air conditioning system utilizes the fluid flowmeter for measuring air flow volume and/or flow speed in a duct between an air conditioning apparatus and a chamber to control air flow volume in response to information from the flowmeter.

REFERENCES:
patent: 3726473 (1973-04-01), Sapir
patent: 4406397 (1983-09-01), Kamata et al.

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