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Automatic Air Brake

Automatic Air Brake. Aasha Sutton Sterling Hurd. What is the automatic air brake?. Braking system used in case of undesired train parting It can start automatically or the train engineer control it with a valve in the cab. Why is it important?.

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Automatic Air Brake

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  1. Automatic Air Brake Aasha Sutton Sterling Hurd

  2. What is the automatic air brake? • Braking system used in case of undesired train parting • It can start automatically or the train engineer control it with a valve in the cab.

  3. Why is it important? • Before the automatic air brake, power was cut from the train and “brake men” jumped from car to car turning the brakes off. • Insures no “runaway” trains

  4. Parts of the Automatic air brake • Train compressor (air pump) • Main reservoir • Auxiliary reservoir • Triple valve • Brake cylinder • Brake valve • Main pipe

  5. How does the Automatic Air Brake works? • Air travels from air pump to brake valve • When the brake valve is put in service position air is released to the main reservoir and each individual auxiliary reservoir • High pressure air pushes against the brake cylinder which pushes into the brake shoes stopping the wheel from turning

  6. Improvements Eaton 7.5 HP two stage air compressor- • 50,000+ hours of use • 7.5 horse power • 80 gallons

  7. Sources • http://www.railfame.ca/sec_ind/technology/en_2002_AutomaticAirBrake.asp • http://www.engineeringtoolbox.com/air-compressor-types-d_441.html • http://www.aircompressorsdirect.com/EMAX-EP07V080V1-Air-Compressor/p3799.html

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