US PATENT SUBCLASS 60 / 489
.~.~ Having valve means controlling flow between pump and motor

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
487  DF  .~ Input pump and rotary output motor system having displacement varying type of direction or speed selector {3}
489.~.~ Having valve means controlling flow between pump and motor

DEFINITION

Classification: 60/489

(under subclass 487) Apparatus having in addition to the displacement varying structure an adjustable flow controlling means in a flow line of the circuit including the rotary pump and motor.