Centrifuge rotor having a fused web

Details Centrifuge rotor having a fused web Centrifuge rotor having a fused web

1992-10-09

1996-10-08

Scherbel, David

Imperforate bowl: centrifugal separators

Including means or structure for promoting safety

494 16, B04B 706

Patent

active

055625541

ABSTRACT:
A centrifuge rotor has a central hub with a mounting recess therein, a ring disposed concentrically about the hub, the ring having a plurality of cavities formed therein, and a relatively thin web connecting the hub and the ring. The web defines a localized region which exhibits a stress therein that is greater than the stress present in any other portion of the rotor when the rotor is operating at the predetermined operating speed, so that, over operation time, the probability that rotor failure will occur only in the web is enhanced. The cavity ring has an annular rim with an upper surface having a predetermined reference line defined thereon. A portion of the upper surface of the rim defined relative to the reference line is relieved. The radial location of the relieved portion of the upper surface with respect to the reference line is governed in accordance with the axial position of the web with respect to the center of mass of the ring.

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