(under the class definition) Apparatus in which a variation of rotational load imposed upon the rotating shaft of the motor controls the flow of motive fluid to or from the motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
76, for rotary expansible chamber motors in which the motive fluid is controlled by the speed of the motor.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
731.1, for gearing with fluid drive having speed and/or torque responsive ratio change and see the search notes thereunder. 192, Clutches and Power-Stop Control,
.032, and .034 for interrelated motor and clutch controls having automatic torque responsive control and see the search notes thereunder.
475, Planetary Gear Transmission Systems or Components,
31+, for fluid drive or control of planetary gearing.
