| 摘要 |
PURPOSE:To enable to improve the controllability of a control blade, by supporting one turning shaft of the control blade independently of the shaft of a fan motor in the state that it is extended through the inside of the fan motor shaft. CONSTITUTION:In deflecting the direction of fluid flow, a turning shaft 20 of a control blade 17 is extended through the inside of a hollow shaft 10 of a motor 3 and supported by a support section 21 in the manner that it is not kept in contact with the shaft 10. Further, since a turning shaft 18 is also disposed to extend through the inside of a hollow shaft of an end plate 4, the control blade 17 can be controlled independently of the turning system of the motor 3. Therefore, it is enabled to improve controllability, durability and safety of operation of the apparatus. |
