| 摘要 |
<p>It comprises a rotor (1) including evenly spaced discs (3) which are passed through centrally and perpendicularly by a shaft (2), the said discs (3) each including, at their periphery, at least two cutouts (30) in a circular arc concentric with their edge (32), the ends (34) of the said cutouts (30) forming a circular arc, of which the starting point (31) in the edge (32) of the disc (3) points radially, and two adjacent discs (3) being secured to the shaft (2) in such a way that each of the non-cut-out parts of one faces a cutout (30) of the other. <IMAGE></p> |
