Centrifugal separator for separating solid contaminants from...

Details Centrifugal separator for separating solid contaminants from... Centrifugal separator for separating solid contaminants from...

2006-01-10

2006-01-10

Cooley, Charles E. (Department: 1723)

Imperforate bowl: centrifugal separators

Rotatable bowl

Driven by energy of material supplied

C494S065000, C494S067000

Reexamination Certificate

active

06984200

ABSTRACT:
A centrifugal separator110(FIG.1) for removing contaminants from a pumped liquid such as engine lubricant, having a separation rotor130rotatable about axis124at high speed by a jet178of the liquid impinging upon impulse turbine blades174. The rotor includes a separation and containment vessel132having impervious side wall134spaced from the rotation axis and at least one end wall138open at142permit liquid to leave the vessel as fast as it can enter, so that a zone140is defined adjacent side wall134that 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 permit it to be spaced further from the axis than is conventional, with improved separation efficiency. Liquid may be supplied to zone140in any convenient manner but as shown spent turbine liquid178′ is collected on a rotating surface158of a divider wall152that spreads and/or directs the liquid to transfer passages164from which it is flung centrifugally to the separation zone140. The outer side wall134of the vessel which collects contaminants may be a replaceable attachment to the divider wall/turbine part. The rotor may alternatively comprise such a vessel surrounding a conventional, filled canister to effect a radial increase in such rotor without comparable increase in the volume of liquid contained.

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