| 摘要 |
It is disclosed a curved flap of variable surface (fig.1) used in the Savonius Rotor's applications. It is composed of the flexible material (2 ) wrapped on the pipe (3) rotating into the shaft (1) with the help of a chain, belt or wire (8) moving into the curved -shaped blade (10) and the pipe (3), and the shieves (4) serving for guides so that the flexible material can be sectionally deployed on the whole curved surface of the flap. Into the pipes there are placed one or several middle shafts (Ò,õ) to maintain the curved form of the flexible material. |
