| 摘要 |
The invention relates to a blade (20) for a single-blade vacuum pump comprising a bowl-shaped housing (12) which is provided with a rotor (18) eccentrically and rotatably mounted therein, wherein the blade (20) is movably and orthogonally mounted with respect to a rotational axis (21), abuts on the inner circumferential surface of the housing by the free ends thereof (36) and is provided with a closed surface which extends in the direction of inner circumferential surface (34) and is formed by an external wall (32). Said invention is characterised in that the core of the blade (20) has a framework structure (38) enclosed by said external wall (32).
|
