| 摘要 |
An air plenum system is disclosed which is adapted to distribute air from a central air plenum through a plurality of air duct lines, with a predetermined and readily adjustable air flow rate through each of the lines. A damper plate is pivotally mounted in each of the lines at a location sufficiently close to the outlet end of the line so as to permit a person to reach into the line through the outlet end, and manually pivot the damper plate to a desired setting. Also, the damper plate is mounted by a pair of rods which mount spring loaded washers which bear against the wall of the air duct line and provide a simple, reliable, and readily adjustable system for controlling the pivotal movement of the damper plate. An adjustable air diffuser is preferably mounted to cover the outlet end of each line.
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