Definitions for air brake

This page provides all possible meanings and translations of the word air brake

Random House Webster's College Dictionary

air′ brake`(n.)

  1. a brake or system of brakes operated by compressed air.

    Category: Machinery

  2. a device for reducing the air speed of an aircraft by increasing its drag.

    Category: Aeronautics

Origin of air brake:

1870–75, Amer.

Webster Dictionary

  1. Air brake

    a railway brake operated by condensed air

Freebase

  1. Railway air brake

    A railway air brake is a power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on March 5, 1868. The Westinghouse Air Brake Company was subsequently organized to manufacture and sell Westinghouse's invention. In various forms, it has been nearly universally adopted. The Westinghouse system uses air pressure to charge air reservoirs on each car. Full air pressure signals each car to release the brakes. A reduction or loss of air pressure signals each car to apply its brakes, using the compressed air in its reservoirs.

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