US PATENT SUBCLASS 415 / 58.3
.~.~ Runner inlet shroud

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}
58.2  DF  .~ Radial flow runner portion guides re-entry working fluid (e.g., hub, back plate, etc.) {1}
58.3.~.~ Runner inlet shroud

DEFINITION

Classification: 415/58.3

Runner inlet shroud:

(under subclass 58.2) Device wherein the runner* structure which assists in directing the working fluid* back to the blade* or blade row comprises a ring shaped rim member (shroud) centered about the runner's axis of rotation and located at a working fluid entrance to the runner.

(1) Note. The rim member (shroud) is usually carried on or supported by a blade or blade row of the runner.