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2. 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.

3. 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]

4. Electronically controlled pneumatic brakes - Wikipedia

   en.wikipedia.org/wiki/Electronically_controlled...

   When the brake pipe and car components are charged with air, the brakes release. When the engineer needs to make a brake application, control valves in the locomotive reduce the brake pipe pressure. As the brake pipe pressure is reduced, the service portions on each car divert air from their reservoirs to their brake cylinders.

5. Air brake (aeronautics) - Wikipedia

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

   Flight spoilers operating as speed 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

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. S-cam - Wikipedia

   en.wikipedia.org/wiki/S-cam

   An S-cam is part of a braking system used in heavy vehicles such as trucks and wheeled machinery. It consists of a shaft, usually around 4 to 25 inches long, turned at one end by means of an air-powered brake booster and lever with an S-shaped cam at the wheel end. Turning the shaft pushes the brake shoes against the drum, producing friction.

8. 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 ...

9. Air brake - Wikipedia

   en.wikipedia.org/wiki/Air_brake

   Air brake (aeronautics), a type of flight control system used on aircraft to reduce speed; On ground vehicles, (more formally, specified as) compressed-air-actuated braking systems: Air brake (road vehicle), friction-mediated type of brake used on large road vehicles in place of hydraulic brakes; Railway air brake (used on both locomotives, and ...