US PATENT SUBCLASS 60 / 560
.~.~.~ Power fluid also fed into a separate expansible chamber directly driving output means

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
533  DF  .~ Pulsator {25}
547.1  DF  .~.~ With control of or by a separate power fluid, etc. {9}
560.~.~.~ Power fluid also fed into a separate expansible chamber directly driving output means

DEFINITION

Classification: 60/560

(under subclass 547) Apparatus including a distinct expansible chamber motor means arranged to drive the output driven by the slave, the external power fluid being admitted directly into the chamber of said motor.