US PATENT SUBCLASS 417 / 406
.~.~.~ Unitary pump and motor rotors

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
405  DF  .~.~ Rotary motor {1}
406.~.~.~ Unitary pump and motor rotors {3}
407  DF  .~.~.~.~> Overhung from central support
408  DF  .~.~.~.~> Axial flow motor and pump
409  DF  .~.~.~.~> Axial flow motor and centrifugal pump

DEFINITION

Classification: 417/406

(under subclass 405) Apparatus in which the rotary motor working member is directly connected to or integral with a rotary pumping member such that the working member rotates the pumping member in unison therewith.

SEE OR SEARCH THIS CLASS, SUBCLASS:

348, for a fluid motor driven pump having a rotor, at least one portion of the rotor during different segments of a revolution thereof serving alternately as both a pumping member and a fluid motor working member.