US PATENT SUBCLASS 415 / 57.3
.~.~ Re-entry from opposite sides of blade face

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

52.1  DF  WITH MEANS FOR RE-ENTRY OF WORKING FLUID TO BLADE SET (E.G., RE-ENTRY TYPE DEVICE, PASSAGE, ETC.) {11}
57.1  DF  .~ Plural, independent, serially acting re-entry means {3}
57.3.~.~ Re-entry from opposite sides of blade face

DEFINITION

Classification: 415/57.3

Reentry from opposite sides of blade face:

(under subclass 57.1) Device wherein two of the (reentry) means direct the working fluid* back to the first blade or blade row from separate locations which locations substantially confront (oppose) each other across the blade or the blade row.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.1, for a device comprising means for directing (reentry) working fluid to a face of the blade or blade row opposite that face which was first contacted by the working fluid.