US PATENT SUBCLASS 417 / 483
.~.~.~ Having discharge distributor in pumping member

Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
481  DF  .~ Oscillating pumping member {2}
482  DF  .~.~ Inlet distributor in abutment wall for pumping member {1}
483.~.~.~ Having discharge distributor in pumping member

DEFINITION

Classification: 417/483

(under subclass 482) Apparatus including means for controlling the discharge of fluid from the chamber, said means comprising a distributor positioned in the pumping member.