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  2. Railway air brake - Wikipedia

    en.wikipedia.org/wiki/Railway_air_brake

    Piping diagram from 1909 of a Westinghouse 6-ET Air Brake system on a locomotive Control handle and valve for a Westinghouse air brake. A railway air brake is a railway brake power braking system with compressed air as the operating medium. [1]

  3. Air brake (road vehicle) - Wikipedia

    en.wikipedia.org/wiki/Air_brake_(road_vehicle)

    Truck air-actuated disc brake. An air brake or, more formally, a compressed-air-brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to both release the parking/emergency brakes in order to move the vehicle, and also to apply pressure to the brake pads or brake shoes to slow and stop the vehicle.

  4. Air brake (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Air_brake_(aeronautics)

    Air brakes on Airbus A320 Air brakes on the rear fuselage of a Eurowings BAe 146-300 Convair F-106 Delta Dart air brake deployed A U.S. Air Force F-16 Fighting Falcon showing its split speed brakes inboard of the stabilators or "tailerons" An F-15 landing with its large dorsal air brake panel deployed Extended DFS type air brakes on a Slingsby Capstan

  5. Railway brake - Wikipedia

    en.wikipedia.org/wiki/Railway_brake

    An air brake compressor is usually capable of generating a pressure of 90 psi (620 kPa; 6.2 bar) vs only 15 psi (100 kPa; 1.0 bar) for vacuum. With a vacuum system, the maximum pressure differential is atmospheric pressure (14.7 psi or 101 kPa or 1.01 bar at sea level, less at altitude). Therefore, an air brake system can use a much smaller ...

  6. Westinghouse Air Brake Company - Wikipedia

    en.wikipedia.org/wiki/Westinghouse_Air_Brake_Company

    Although the plain automatic air brake was a great improvement over the straight air brake, in an emergency the system still applied the brakes to the last cars in a train later than to the first cars in a train. To remedy that condition, George Westinghouse invented the quick-action triple valve in 1887.

  7. Steam locomotive components - Wikipedia

    en.wikipedia.org/wiki/Steam_locomotive_components

    Air pump / Air compressor Westinghouse pump (US+) Powered by steam, it compresses air for operating the train air brake system. [3]: 2 The Westinghouse air brake system is used world-wide; [3]: 93 in Europe two systems that use the same principle are the Kunze-Knorr and Oerlikon systems. It can be a single-stage or, when larger capacity is ...

  8. Kunze–Knorr brake - Wikipedia

    en.wikipedia.org/wiki/Kunze–Knorr_brake

    The Kunze-Knorr brake (Kunze-Knorr-Bremse or KK-Bremse) is an automatic compressed-air brake for goods, passenger and express trains. It was the first graduated brake for goods trains in Europe . When it was introduced after the First World War , goods train brakes switched from hand operation to compressed-air in various European countries.

  9. Relay valve - Wikipedia

    en.wikipedia.org/wiki/Relay_valve

    A relay valve is an air-operated valve typically used in air brake systems to remotely control the brakes at the rear of a heavy truck or semi-trailer in a tractor-trailer combination. Relay valves are necessary in heavy trucks in order to speed-up rear-brake application and release, since air takes longer to travel to the rear of the vehicle ...