| 摘要 |
Plural pressure-displacement type air diffusion modules have separate diffusion means between a control plenum and a space to be conditioned. A single control valve between a source of pressurized air and the control plenum regulates the volume of air admitted into the plenum, whereby laminar flow of air is uniformly produced by pressure displacement through each of the modules. The control valve is either a gate-type valve or a valve head and seat arrangement.
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