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    • 1. 发明申请
    • DUPLEX SHEAR FORCE ROTOR
    • 双面剪力转子
    • WO2003027444A1
    • 2003-04-03
    • PCT/US2002/030502
    • 2002-09-26
    • SHEAR FORCE, LTD.
    • PACELLO, JohnTYBOR, Frank, J.
    • F01D1/36
    • F04D29/2255
    • A single (110) or multi-stage (510) centrifugal pump or mixer duplex shear force rotor consisting of two non-parallel shrouds (17, 18). The driven shroud (18) contains a center opening (19). The rotor has an open, unobstructed entrance section (7) and includes a protrusion (22) designed to force-feed the discharge section in a smooth laminar flow pattern. The discharge section incorporates a series of raised ribs (1). The raised ribs (1) begin at the peripheral edge (28) of the shrouds (17, 18) and extend to approximately 50 % of the distance from the peripheral edge towards the center of the rotor (32). Cast-in place spacers (23) space the drive (17) and driven (18) shrouds. Alternatively, the rotor (710) can include no raised ribs. In addition, the raised ribs (812, 814) can have a cross-section that includes a tapered trailing edge to reduce wear. Alternatively, neither the drive (617) nor driven (618) shrouds are perpendicular to the axis of rotation (42).
    • 由两个非平行罩(17,18)组成的单(110)或多级(510)离心泵或混合器双相剪切力转子。 从动护罩(18)包含一个中心开口(19)。 转子具有开放的,无障碍的入口部分(7),并且包括设计成以平滑层流模式强制供给排出部分的突出部(22)。 排放部分包括一系列凸起的肋(1)。 升高的肋(1)从护罩(17,18)的周边边缘(28)开始并且延伸到从周向边缘朝向转子(32)的中心的距离的大约50%。 嵌入式垫片(23)将驱动器(17)和驱动(18)护罩空间。 或者,转子(710)可以不包括凸起肋。 此外,凸起的肋(812,814)可以具有包括锥形后缘的横截面以减少磨损。 或者,驱动器(617)或驱动(618)护罩都不垂直于旋转轴线(42)。