US PATENT SUBCLASS 415 / 218.1
.~ With runner having conical hub including small diameter facing upstream

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}
218.1.~ With runner having conical hub including small diameter facing upstream

DEFINITION

Classification: 415/218.1

With runner having conical hub including small diameter facing upstream:

(under subclass 182.1) Device wherein the runner* comprises a rotating base member which support a blade*. The rotating

base member has sides which increase evenly in diameter with the lesser diameter portion facing against the direction of working fluid* flow so as to act somewhat as a guide to direct the flow toward the blade.

SEE OR SEARCH CLASS

416, Fluid Reaction Surfaces (i.e., Impellers),

245+, for a runner comprising a coaxially mounted spinner or fairwater cap, subclass 188 for a rotor comprising a flow confining or deflecting web or end plate which is circumferentially and radially continuous and which is conical.