| 摘要 |
PURPOSE:To change flow directions in the first and second passages in opposite directions by forming a vane with the first stage vane rotating in the first passage and the second stage vane rotating in the second passage so that both vanes are faced in opposite directions. CONSTITUTION:A vane 3 is driven and rotated by a motor and is provided with the first stage vane 3a rotating in an inside casing 1a, i.e., in the first passage 2a, and the second stage vane 3b rotating between inside and outside casings, i.e., in the second passage 2b. By making the direction of the second stage vane 3b opposite to that of the first stage vane 3a, flow directions of the fluid in the first passage 2a and the second passage 2b can be made reverse as shown in the figure. Accordingly, multiple flow directions of the fluid can be available with one unit. |
