Air flow control device

Details Air flow control device Air flow control device

F - Mech Eng,Light,Heat,Weapons

24

F

98/18

F24F 13/10 (2006.01) F24F 11/053 (2006.01)

Patent

CA 1053062

A B S T R A C T In an air distribution system according to the present invention in which conditioned air at a ~ substantially constant temperature is delivered to a plurality of zones there is provided an improved control system which comprises a damper for varying the volume of conditioned air delivered to at least one of the zones, a pneumatic thermostat responsive to the temperature in said one zone, a sensor for measuring the velocity pressure of the conditioned air near said one zone, a pressure responsive device communication with the sensor and a damper actuator normally responsive to the thermostat, the damper actuator being responsive to the pressure responsive device when the velocity pressure exceeds a preselected maximum.

312676

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