Patent ID: 6126247
Filing Date: 2000-10-03
Classification: B60T

Abstract:
A locomotive and end of train telemetry apparatus wherein a Locomotive Control Unit includes means for transmitting signals to an End of Train Unit, and the End Train Unit has means for transmitting signals to the Locomotive Control Unit each under the control of a microprocessor located respectively in said Units, the microprocessor in said Locomotive Control Unit being provided with memory that stores brake pipe and equalizing reservoir pressure values occurring over a predetermined period of time as received from an equalization pressure reservoir and from a brake pipe extending continuously from the locomotive through a railway train of cars to a remote car of the train, the apparatus comprising:a System Interface Unit interfacing the microprocessor of the Locomotive Control Unit with the brake pipe and the equalizing reservoir for providing the microprocessor in the Locomotive Control Unit with said brake pipe and equalizing pressure values,a pressure transducer interfacing the brake pipe with the microprocessor in the End of Train Unit for providing said microprocessor with brake pipe pressure values, andthe means for transmitting information between the Locomotive and End of Train Units includes respective radio transceivers electrically connected to the microprocessors located in the Locomotive and End of Train Units.