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Air brake

Explanation

  1. Air brake: In aeronautics, air brakes or speedbrakes are a type of flight control surface used on an aircraft to increase drag or increase the angle of approach during landing.
  2. Air 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 apply the pressure to the brake pad needed to stop the vehicle. Air brakes are used in large heavy vehicles, particularly those having multiple trailers which must be linked into the brake system, such as trucks, buses, trailers, and semi-trailers in addition to their use in railroad trains. George Westinghouse first developed air brakes for use in railway service. He patented a safer air brake on March 5, 1872. Westinghouse made numerous alterations to improve his air pressured brake invention, which led to various forms of the automatic brake. In the early 20th century, after its advantages were proven in railway use, it was adopted by manufacturers of trucks and heavy road vehicles.
  3. Air brake a.k.a. 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.

Printed dictionaries and other books with definitions for Air brake

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Google previewL.S.A., List of C.F.R. Sections Affected (2003)

Air brake means a combination of devices operated by compressed air, arranged in a system, and controlled manually, electrically, electronically, or pneumatically, by means of which the motion of a railroad car or locomotive is retarded or ...

Google previewThe Code of Federal Regulations of the United States of America (2006)

Air brake means a combination of devices operated by compressed air. arranged in a system, and controlled manually, electrically, electronically, or pneumatically, by means of which the motion of a railroad car or locomotive is retarded or ...

Google previewTitle 49 Transportation

Air brake means a combination of devices operated by compressed air, arranged in a system, and controlled manually, electrically, electronically, or pneumatically, by means of which the motion of a railroad car or locomotive is retarded or ...

Google previewTitle 49 Transportation Parts 200 to 299 (Revised as of October 1, 2013) (2013)

49-CFR-Vol-4 by Office of The Federal Register, Enhanced by IntraWEB, LLC

Air brake means a combination of devices operated by compressed air, arranged in a system, and controlled manually, electrically, electronically, or pneumatically, by means of which the motion of a railroad car or locomotive is retarded or ...

Google previewInvestigations (2002)

by Stuart A. Kauffman

But what about a small umbrella on the back of a Cessna 172 that opens upon landing: Ah, an air brake is a possible new good in the adjacent possible a few steps from here. And still more. What are the statistics of the transformation of an ...

Google previewRailway Signal (1898)

Or, Lights Along the Line

The air brake is a stored power. God's grace is a stored power. "Enough for all. enough for each, enough for evermore:' The air brake is an unseen power, but ic is a power felt when ...

Google previewHazardous Materials Dictionary, Second Edition (1994)

by Ronny J. Coleman

Brake Pipe Air brake piping of a locomotive or RR car acting as a supply pipe for the reservoirs. Brake Ratchet (Hand brake) Wheel attached to the brake shaft with teeth which the pawl engages. Brake Shaft A shaft on which a chain is wound ...

Google previewThe 100 Most Significant Events in American Business: An Encyclopedia (2012)

An Encyclopedia by Quentin R. Skrabec Jr.

The Westinghouse “straight air brake” could do it within 500 feet. Word of the trial did travel quickly in local railroad circles. The railroads, however, were cautious. First, to many railroad executives, brakes were a safety issue, not a profit issue.

Google previewDictionary of Automotive Engineering (2013)

by Don Goodsell

air brake (1) Brake in which the force that actuates the brake mechanism is provided by compressed air acting on a diaphragm within a brake chamber or servo. Used mainly in commercial vehicles. (2) Aerodynamic ...

Google previewLocomotive Dictionary (1906)

An Illustrated Vocabulary of Terms which Designate American Railroad Locomotives Their Parts Attachments and Details of Construction with Definitions and Illustrations of Typical British Locomotive Practice

Air Brake. Any brake operated ...

Google previewElectric railway dictionary (1911)

definitions and illustrations of the parts and equipment of electric railway cars and trucks by Rodney Hitt, American Transit Association

Air Brake. Figs. 451-567. A brake operated by admitting air behind a piston moving in a brake cylinder mounted under the car body. The pressure against the piston is transmitted through « system of rods and levers to the brake shoes on the ...

Google previewThe Encyclopedia Americana (1903)

Editor in Chief, Frederick Converse Beach ... Managing Editor, George Edwin Rines ... Associate and Advisory Editors ... Simon Newcomb ... James E. Creighton ... Robert S. Woodward

The straight air brake was the earliest and simplest form and was introduced by Mr. Westinghouse about the year I869. An air compressor was attached to and operated by steam from the locomotive, and compressed atmospheric air into a ...

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