| 摘要 |
PCT No. PCT/AU94/00116 Sec. 371 Date Sep. 8, 1995 Sec. 102(e) Date Sep. 8, 1995 PCT Filed Mar. 10, 1994 PCT Pub. No. WO94/21923 PCT Pub. Date Sep. 29, 1994A centrifugal seal assembly for a pump, including a pump casing having a pump chamber, a pump impeller, an impeller passageway and a rotatable pump impeller shaft, the seal assembly comprising a rotatable main body disposed within a seal chamber and attached to the pump shaft, a plurality of circumferentially spaced apart vanes on one side of the main body, each vane including a curved leading edge portion, the vanes being configured such that Rv/Deo is in the range from 0.3 to 0.7, where Rv equals the curvature of the leading edge of the vanes and Deo equals the outer diameter of the vanes. |
