Separation device having a centrifugal rotor

Details Separation device having a centrifugal rotor Separation device having a centrifugal rotor

2005-10-18

2005-10-18

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

Including sealing means

For sealing between stationary and moving elements

C494S042000, C494S062000, C494S065000

Reexamination Certificate

active

06955637

ABSTRACT:
In a separation device for separating particles from a liquid, which is present in a container, a centrifugal rotor is rotatable around a vertical rotational axis. The centrifugal rotor has a tubular inlet member, which extends down into liquid to be treated and which upon rotation of the centrifugal rotor forms a pumping member adapted to pump liquid upwardly and into the centrifugal rotor. The rotatable inlet member is surrounded by a non-rotatable wall, a sealing device being adapted to seal between the rotatable inlet member and the non-rotatable wall. Thereby is avoided that liquid is pumped upwardly on the outside of the inlet member. Furthermore, a smallest possible part of the outside of the inlet member can be in contact with liquid, independent of the level of the liquid surface in the container.

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