| 摘要 |
An air conditioning system in a building space having side walls and a hollow horizontal partition (10) or wall which provides a generally unobstructed chamber or plenum (18) for preconditioned air at or close to atmospheric pressure, a hollow column (12) extending from the horizontal partition at a selected location for receiving conditioned air, air outlets (60) in the column (12) for distributing air to the immediate environs of the column (12), a fan (31) in the column (12) for moving air from the plenum (18) into the column (12) and through the air outlets (60), and a selectably variable fan control (70) in the building space. |
