.~.~ With concentrate outlet means in one of parallel plates mounting spaced whirler vanes
DEFINITION
Classification: 55/453
(under subclass 447) Apparatus comprising parallel end members supporting between them vanes directed obliquely to a common axis to direct the inflow angularly with respect to the axis, at least one of the end members provided with one or more openings for the escape of the rotating concentrate layer.
SEE OR SEARCH THIS CLASS, SUBCLASS:
455, for other similar structures for causing gas whirl.