| 摘要 |
<p>A rotary vane pump in which two sets of vanes (3, 3") are each slidably mounted on a rotor shaft (1), each set of vanes being axially spaced, the vanes of the first set being preferably set at 45o to those of the second set, each set of vanes forming a pumping section which feeds into a common pump outlet (72), preferably the inlet (71) is between the sets of vanes and feeds axially into pump chambers (54a-d) formed between the vanes and the rotor. </p> |
