US PATENT SUBCLASS 415 / 221
.~.~ Having specific features for liquid flow

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}
220  DF  .~ Casing with axial flow runner {3}
221.~.~ Having specific features for liquid flow

DEFINITION

Classification: 415/221

Having specific features for liquid flow:

(under subclass 220) Device comprising structure particularly adapted to working fluid* which is in the liquid (i.e.,

incompressible) state.