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Self powered end of train unit

  • US 5,267,473 A
  • Filed: 10/18/1991
  • Issued: 12/07/1993
  • Est. Priority Date: 10/18/1991
  • Status: Expired due to Term
First Claim
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1. An end-of-train unit for a railroad train, said railroad train having an air brake pipe, said end-of-train unit comprising in combination:

  • electrically operated end-of-train components;

    an air-driven electric power generator having an air input and an electric power output;

    means to couple said air input of said air-driven electric power generator to said air brake pipe;

    means to couple said electric power output of said air-driven electric power generator to said electrically operated end-of-train components to supply all power coupled to said electrically operated end-of-train components;

    a back-up electric storage battery; and

    means to couple said back-up electric storage battery to said electrically operated end-of-train components in the event that the power output of said air-driven electric powered generator falls below a predetermined level.

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