US PATENT SUBCLASS 60 / 447
.~.~ Control actuated by a servo-motor fed by a speed indicating auxiliary pump


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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
445  DF  .~ Condition responsive control of pump or motor displacement {7}
447.~.~ Control actuated by a servo-motor fed by a speed indicating auxiliary pump


DEFINITION

Classification: 60/447

(under subclass 445) Apparatus in which the displacement controller of the motive fluid pump or motor is driven by an adjunctive fluid motor receiving its pressurized fluid from an adjunctive constant displacement pump, the output of which is directly proportional to its speed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

444, for a system in which the displacement is adjusted by a manually controlled servo-motor.