(under subclass 461) Apparatus in which there is provided either (1) a plurality of redirecting or dispersing surfaces spaced in the direction of the flowing stream, or (2) a single such redirecting or dispersing means having a plurality of surfaces also spaced in the direction of flow so
that in either case at least part of the fluid leaving the egress opening impinges on two or more of such surfaces.
SEE OR SEARCH THIS CLASS, SUBCLASS:
504, for a single dispersing or redirecting surface which is apertured to permit flow therethrough.
522, for multiple redirecting or dispersing surfaces in other than serial arrangement combined with the terminal flow element.