| 摘要 |
PCT No. PCT/AU93/00428 Sec. 371 Date Dec. 19, 1994 Sec. 102(e) Date Dec. 19, 1994 PCT Filed Aug. 20, 1993 PCT Pub. No. WO94/04826 PCT Pub. Date Mar. 3, 1994.Disclosed is a regenerative pump (1) comprising a casing (11) provided with an inlet port (2) for admission of fluid to the pump (1), an impeller (3) having a plurality of blades (4, 14, 23), each having an inner edge (26) and an outer edge (25) in the radial direction of the impeller (3) to generate, upon rotation, multi-stage compression of the admitted fluid and an outlet port (5) for discharge of fluid compressed by the pump (1) from the casing (11). The inlet port (2) is isolated from the outlet port (5) by a stripper portion (6) and the stripper portion (6) and the blades are relatively configured such that an outer edge (25) of each blade (4, 14, 23) enters the stripper portion (6) after an inner edge (26) thereof. |
