(under subclass 220) Apparatus in which the condition sensed to stop the motor is the speed of operation of the motor or the failure of a driving connection between the motor and a speed regulating governor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
435, for expansible chamber motors having a valve controlled in response to the speed of the motor and see the subclasses there noted for other speed controlled expansible chamber motors.
SEE OR SEARCH CLASS
73, Measuring and Testing,
508, for speed responsive governors having governor drive failure responsive means.
