Slip-slide detector system for railway car wheels

Details Slip-slide detector system for railway car wheels Slip-slide detector system for railway car wheels

B - Operations, Transporting

60

T

341/74, 340/148.

B60T 8/17 (2006.01)

Patent

CA 1099367

ABSTRACT OF THE DISCLOSURE A sensor mounted on each axle of a railroad car gen- erates digital signals related to axle rotation. The digital outputs from the sensors are fed to counters which drive a detector which compares the speeds of the axles. When wheel slip indicated by a pulse count difference between axles is encountered, the detector provides an output which may, for example operate solenoid-operated dump valves to increase brake pressure on both axles of the slipping axle truck. When axle speed recovers to a non-slipping condition, the dump valves are reset and brake pressure is reduced. The detector circuitry is also able to detect wheel slide thus permitting corrective action. In addition to the above, the system includes provision co prevent synchronous sliding of all axles by sensing the rate of change of count.

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