US PATENT SUBCLASS 415 / 199.4
.~.~ Including an axial-flow blade set

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

182.1  DF  WORKING FLUID PASSAGE OR DISTRIBUTING MEANS ASSOCIATED WITH RUNNER (E.G., CASING, ETC.) {24}
198.1  DF  .~ Plural rigidly related blade sets {2}
199.4.~.~ Including an axial-flow blade set {2}
199.5  DF  .~.~.~> Plural serial axial-flow blade sets with intermediate stationary flow diverter(s)
199.6  DF  .~.~.~> And radial-flow blade set in series therewith

DEFINITION

Classification: 415/199.4

(under subclass 198.1) Apparatus wherein the working fluid* moves through at least one of the blade* sets in a direction predominately parallel to the axis of the runner.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74, for a device comprising plural rigidly related blade* sets, one of which is a spirally arranged blade* or fluid conducting passage of at least 360 deg. flight.

77+, for an axial flow runner* comprising blades* extending radially inwardly and outwardly from a common annulus.