Analog service brake response enhancing circuit for railway vehicles
 An analog service brake response enhancing circuit including an intelligent filter circuit for removing voltage transients appearing on input feedback signals, a friction brake request circuit for receiving input brake command request signals, a force motor calculating circuit for calculating the degree of service brake which is to be applied on a railway vehicle, and service brake control apparatus for controlling whether an application or a release mode of braking should be instituted on the vehicle and for accelerating the operation of an analog valve device to produce a full service brake condition for a predetermined time period. 
Westinghouse Air Brake Company
B
B60T
inventional
John W. James A. Richard J.
Drake Wood Mazur