| 摘要 |
<p>A volumetric pump rotor comprising a central casing (7) equipped with a peripheral edge (8) and a hollow seat (16) for engaging a respective rotary shaft, at least two elastically deformable vanes (10a,10b,10c,10d,10e,10f) connectable to the central casing (7) in such a way as to protrude from the peripheral edge (8) in order to transfer a fluid into a volumetric pump, each vane comprises a core (15) made of a metallic material and a cover layer (14) for at least partly covering the core (15) at least at the latter's distal end.</p> |
