US PATENT SUBCLASS 494 / 77
.~.~ Each element concentric with axis of bowl

Current as of: June, 1999
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494 /   HD   IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS

43  DF  ROTATABLE BOWL {16}
76  DF  .~ Including plurality of axially-extending, tubular elements located within vertically-oriented bowl {1}
77.~.~ Each element concentric with axis of bowl {1}
78  DF  .~.~.~> And at least one element having other-than-circular periphery

DEFINITION

Classification: 494/77

Each element concentric with axis of bowl:

(under subclass 76) Apparatus wherein each of the elements has, as its center, the axis of the member, whereby the elements are located one within another.

(1) Note. The annular space between adjacent elements sometimes is subdivided by one or more vertical partitions into two or more, less-than-annular spaces, the purpose being to break up or prevent flow in a direction circumferentially of the elements.