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Rfid Tag for Train Wheels

  • US 20090303023A1
  • Filed: 05/22/2007
  • Published: 12/10/2009
  • Est. Priority Date: 05/23/2006
  • Status: Abandoned Application
First Claim
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1. A monitoring system for a wheel and axle assembly of a rail vehicle on a railway comprising at least one tag comprising a carrier configured to be fitted on the wheel and axle assembly of the rail vehicle, the carrier carrying a radio frequency (RF) transponder comprising transponder circuitry, an antenna and a sensor for a parameter associated with the assembly in use connected to the circuitry and being responsive to cause the transponder to transmit a first RF signal when a value of the parameter exceeds a threshold value;

  • at least one associated reader positioned alongside the railway, the system being configured such that the first signal is received by the at least one reader alongside the railway.

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