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A railway air brake is a railway brake power braking system with compressed air as the operating medium. [1] Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on April 13, 1869. [ 2 ]
The driver's brake handle passes control voltages down three wires to each EP control valve, which allows air from the brake reservoir to pass into the brake cylinder, thereby activating the disc brake. The presence of the voltage holds the brakes off, providing a fail safe system. The 3 step "Westcode" brake uses three wires and these operate ...
The Westinghouse system uses smaller air reservoirs and brake cylinders than the corresponding vacuum equipment, because a moderately high air pressure can be used. However, an air compressor is required to generate the compressed air and in the earlier days of railways, this required a large reciprocating steam air compressor, and this was ...
[citation needed] The New York Air Brake Company, based in Watertown, N.Y., is a unit of Knorr-Bremse, [5] based in Munich, Germany. Wabtec Railway Electronics, or WRE, a unit of Wabtec, [6] has facilities in Germantown, MD, and Cedar Rapids, Iowa. In the case of the Fortescue railway, the new ECP brakes are incompatible in several ways.
The Westinghouse Air Brake Technologies Corporation (WABCO) was an American company founded on September 28, 1869 by George Westinghouse in Pittsburgh, Pennsylvania. [5] Earlier in the year he had invented the railway air brake in New York state.
A gladhand connector or gladhand coupler is an interlocking hose coupling fitted to hoses supplying pressurized air from a tractor unit to air brakes on a semi-trailer, [1] or from a locomotive to railway air brakes on railroad cars. [2] Gladhand connectors resemble a pair of "hands shaking" when interlocked, hence the name. [1]
Railroads have strict government-approved air brake testing procedures for various circumstances when assembling trains or switching out cars en route. After a cut is made between cars in a train and the train is rejoined, in addition to other tests, the crew must verify that the brakes apply and release on the rear car (to ensure that all of ...
Electro-pneumatic brake system on British railway trains; Electromagnetic brake; Electronically controlled pneumatic brakes; ... Westinghouse Air Brake Company;