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    • 1. 发明公开
    • CENTRIFUGAL SEPARATION APPARATUS
    • 离心分离
    • EP1368128A1
    • 2003-12-10
    • EP02729436.2
    • 2002-01-09
    • Filterwerk Mann + Hummel GmbH
    • SAMWAYS, Andrew, Leonard
    • B04B5/00B04B9/06B04B11/06
    • B04B11/06B04B5/005
    • Centrifugal separation apparatus (110) for removing contaminants from a pumped liquid such as engine lubricant comprises separation rotor means (130) spun about axis (124) at high speed by a jet (178) of the liquid impinging upon impulse turbine blades (174). The rotor includes a separation and containment vessel (132) having impervious side wall (134) spaced from the rotation axis and at least one end wall (138) open at (142) permit liquid to leave the vessel as fast as it can enter, so that a zone (140) is defined adjacent side wall (134) that holds a volume of liquid much less than the whole volume encompassed by the vessel walls and filled in conventional high speed separators. Lower inertia and reduced pressure gradients in the liquid permits it to be spaced further from the axis than is conventional, with improved separation efficiency. Liquid may be supplied to the zone (140) in any convenient manner but as show spent turbine liquid (178') is collected on a rotating surface (158) of a divider wall (152) that spreads and/or directs the liquid to transfer passages (164) from which it is flung centrifugally to the separation zone (140). The outer side wall (134) of the vessel which collects contaminants may be replaceable attachment to the divider wall/turbine part.