Definitions for air brake
This page provides all possible meanings and translations of the word air brake
Random House Webster's College Dictionary
a brake or system of brakes operated by compressed air.
a device for reducing the air speed of an aircraft by increasing its drag.
Origin of air brake:
a railway brake operated by condensed air
Railway air brake
An air brake is a conveyance braking system actuated by compressed air. 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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