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air brake |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.06 sec. |
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air brake: see brake brake, in technology, device to slow or stop the motion of a mechanism or vehicle.
TypesFriction BrakesFriction brakes, the most common kind, operate on the principle that friction can be used to convert the mechanical energy of a moving ..... Click the link for more information. . air brakeEither of two kinds of braking systems. The first, used by trains, trucks, and buses, operates by a piston driven by compressed air from reservoirs connected to brake cylinders (see piston and cylinder). When air pressure in the brake pipe is reduced, air is automatically admitted into the brake cylinder. The first practical air brake for railroads was invented in the 1860s by George Westinghouse. The second type, used by aircraft and race cars, consists of a flap or surface that can be mechanically projected into the airstream to increase the resistance of the vehicle to air and lower its speed. |
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? Mentioned in | ? References in periodicals archive | |
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Moisture in the air brake lines of your M939-series truck leads to
corrosion. The truck violations included worn tires, worn brakes, improper
loads and defective air brake lines. The Indiana farmer tapped into the air brake system of the semi
tractor to blow air pressure into the fertilizer lines. |
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air brake
