Flow adjustment mechanism for air distributor systems

Details Flow adjustment mechanism for air distributor systems Flow adjustment mechanism for air distributor systems

1980-10-27

1982-01-26

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Ventilator type

137 84, 236 82, F24F 706

Patent

active

043124755

ABSTRACT:
An adjustment mechanism for adjusting the maximum flow rate of conditioned air in an air distribution system controlled by a pneumatic control circuit. An air bladder controls the distribution of air, and the pressure is bled from the bladder under the control of a diaphragm against which pressure is fed back from the downstream side of the bladder. The control orifice through which the bladder pressure is exhausted is formed in the end of an exhaust tube that is axially adjustable. A cam and set screw arrangement serves to extend and retract the exhaust tube to move the control orifice toward and away from the diaphragm for adjustment of the maximum flow rate.

REFERENCES:
patent: 3125109 (1964-03-01), Kreuter
patent: 3941310 (1976-03-01), Travaglio
patent: 3994434 (1976-11-01), Boyer et al.
patent: 4077567 (1978-03-01), Ginn et al.
patent: 4231515 (1980-11-01), Ring, Jr.

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