.~ Having a valve system responsive to a wheel lock signal {12}
118.1
.~.~ Pneumatic (relay or motorman) type
DEFINITION
Classification: 303/118.1
Pneumatic (relay or motorman) type:
(under subclass 113.1) Apparatus wherein the fluid pressure regulator includes valve means for controlling braking pressure to admit the necessary amount of air pressure to the brakes of a vehicle or a railroad vehicle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
40, for a valve actuated in response to a change in fluid pressure to connect a source of fluid pressure to a motor.
50, for a motorman valve adapted to connect a source of fluid supply to a motor.
SEE OR SEARCH CLASS
137, Fluid Handling,
627.5, for systems including sequentially closing and opening alternately seating flow controllers.
