Wheel lock detection arrangement for multiple-axle railway vehicles
 An automatic and dynamic health monitoring system for detecting wheel lockup conditions caused by an unintentional unreleased handbrake or an unexpected traction motor seizure on multiple-axle railway vehicles by logically sensing and determining the status and operations of the input sensors and indicators to quickly and accurately diagnose the situation and to initiate an output fault code log signal. 
Westinghouse Air Brake Company
B B
B60T B60T
inventional inventional
James A. John W. David J.
Wood Drake Pcsolar