US PATENT SUBCLASS 415 / 39
.~.~.~.~ Inlet and relief or bypass valves

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

13  DF  WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION OR TORQUE {13}
30  DF  .~ By shaft speed or torque responsive means {5}
36  DF  .~.~ Of working fluid valve or vane {6}
38  DF  .~.~.~ Plural passages with sequential or reverse fluid control {2}
39.~.~.~.~ Inlet and relief or bypass valves

DEFINITION

Classification: 415/39

(under subclass 38) Apparatus in which said control means comprise a plurality of regulators including one controlling the amount of working fluid* discharged towards the runner* and another controlling the amount of working fluid* discharged away from the runner* prior to action on the runner*.