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Micro controlled classification yard

  • US 4,610,206 A
  • Filed: 04/09/1984
  • Issued: 09/09/1986
  • Est. Priority Date: 04/09/1984
  • Status: Expired due to Fees
First Claim
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1. A control system for a railroad classification yard including a hump track, a master retarder located in said hump track, a plurality of group tracks connected to said hump track by track switches, each said group track including a group retarder, and a plurality of bowl tracks connected to said group tracks by track switches, said control system comprising:

  • (a) a hump control module including a microprocessor and related peripheral circuits;

    (b) an operator communication module coupled to said hump control module, including a microprocessor and related peripheral circuits for transferring information to said hump control module;

    (c) a retarder control subsystem including a retarder control module for each of said retarders, each said module including a microprocessor and related peripheral circuits;

    (d) a switching control subsystem including a separate switch control module for each group of said track switches, each said module including a microprocessor and related peripheral circuits;

    (e) a crest monitor module including a microprocessor and related peripheral circuits for generating information respecting characteristics and performance of a railroad car or cars traversing a crest of said hump;

    (f) a communication subsystem comprising a plurality of communication modules for respectively interconnecting said hump control module with said crest monitor module, each of said retarder control modules and each of said switch control modules;

    each of said communication modules comprising a microprocessor and dedicated communication link.

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