Flow adjustment mechanism for air distributor systems
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United States of America Patent
Stats
-
Jan 26, 1982
Grant Date -
N/A
app pub date -
Oct 27, 1980
filing date -
Oct 27, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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