US PATENT SUBCLASS 415 / 57.4
.~.~ Re-entry into blade in radial plane of blade

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}
57.4.~.~ Re-entry into blade in radial plane of blade

DEFINITION

Classification: 415/57.4

Reentry into blade in radial plane of blade:

(under subclass 57.1) Device wherein one of the (reentry) means directs the working fluid* into the blade* or blade row along a direction generally contained in a plane perpendicular to the runner's* axis of rotation which plane

passes through the blade or blade row.

(1) Note. The (reentry) flow directed back to the blade or blade row can be in any direction prior to being directed into the blade or blade row.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57.3, for a device having plural, independent, serially acting means for the reentry of working fluid to a blade or blade row wherein reentry is from opposite sides of a blade face; such working fluid reentry may be in a radial plane which passes through the blade or blade row.