Passenger Brake Van

Passenger brake van

Passenger Brake Van 1

A passenger brake van was a combine car originally designed to served the same purpose as a goods brake van, but, when continuous brakes became standard on passenger trains, its use changed. The van may have equipment for the application of continuous brakes in an emergency if fitted alongside the hand brake for when the train is parked without a locomotive present. The vehicle also provides a compartment for the guard, a luggage compartment, and sometimes passenger accommodation, as well. ExamplesExamples of British passenger brake vans include: Brake Gangwayed Brake Standard Open Brake Standard Open (Micro-Buffet)Support coachesIn the UK, converted British Railways Mark 1 passenger brake vans are used as the basis for preserved steam locomotive support coaches.

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Brake couplings

Couplings are needed for any continuous braking systems. Electronically controlled brakesElectronically controlled pneumatic brakes (ECP) need a method of connecting electrically adjacent wagons, both for power and for command signals, and this can be done by plugs and sockets, or by very short range radio signals.

Passenger Brake Van 2

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Vacuum brake - Wikipedia

Today's largest operators of trains equipped with vacuum brakes are the Indian Railways and Spoornet (South Africa), however there are also trains with air brakes and dual brakes in use. South African Railways (Spoornet) operates more than 1 000 electric multiple unit cars, which are fitted with air compressed brakes. The electro-vacuum system uses a 2-inch (51 mm) train pipe and basic automatic vacuum brake system, with the addition of electrically controlled application and release valves in each vehicle. The application and release valves greatly increase the rate of train pipe vacuum destruction and creation. This, in turn, greatly increases the speed of brake application and release. The performance of electro-vacuum brakes on SAR EMUs is equivalent to electro-pneumatic braked EMUs of a similar age.

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Brake Masters

Brake Masters is a privately held automotive repair chain based in Tucson, Arizona. The company has 100 stores throughout the Southwestern United States, including multiple stores in Arizona, California, Nevada, New Mexico and Texas. The company was founded by two Israeli immigrants, Eric and Shalom Laytin, who in their early twenties came to the United States. The two brothers formed Auto Brakes, Inc. in February 1982. In October 1983, the name of the store was changed to Brake Masters, and in May 1984, the company opened a second store. A third store opened in March 1989, and the company decided to expand into other markets. Its first franchise store opened in Sierra Vista in August 1994. Brake Masters specializes in brake repair, offering installation of many replacement parts, including water pumps, starters, alternators, CV boots, U-joints and axles. Other services include oil changes, tire rotation, radiator, brake and transmission fluid exchanges, belts, hoses, batteries and air conditioning service and replacement. The company partners with Valvoline, Bendix and Monroe for products, employs ASE Certified (Automotive Service Excellence) Technicians in the majority of their stores, and has been accredited with the Better Business Bureau since 1986. 19 customer complaints about Brake Masters have been lodged with the Better Business Bureau of Southern Arizona during the past three years. Shalom Laytin, co-owner of Brake Masters, is of the opinion that "those complaints have been properly addressed by the company".

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Brake shoe for railroad cars

A brake shoe can be put on the track to stop a moving car. The wheel rolls up to the tongue and then the brake shoe glides with the car on the track until it stops. They are also called rail skids or rail skates.

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Development of Westinghouse Air Brake

The straight air brakeThe first form of the air brake consisted of an air pump, a main reservoir (pressure vessel), and an engineer's valve on the locomotive, and of a train pipe and brake cylinder on each car. One problem with this first form of the air brake was that braking was applied to the first cars in a train much sooner than to the rear cars, resulting in shocks and damages when the rear cars bunted against the cars ahead of them. The main objection, however, was that it was not an automatic brake, i.e. even a minor mishap like a broken coupling left the entire train without any brake power at all. The plain automatic air brakeIn 1872, George Westinghouse invented the automatic air brake by inventing the triple valve and by equipping each car with its own air cylinder. Air pressure is maintained in the auxiliary reservoirs and in the train pipe at all times when the brakes are not applied. An equilibrium of air pressure is maintained in the train pipe and in the auxiliary air cylinders. To apply the brakes to all of the cars at about the same time, pressure is released from the train pipe, causing the triple valve on each car to apply the brakes. To release the brakes on each car, pressure is increased in the train pipe until an excess pressure above that of the pressure in each auxiliary cylinder is reached, which throws the triple valve so as to close the inlet to the brake cylinder and open the inlet to the auxiliary reservoir from the train pipe, thus allowing the equilibrium of the two pressures to be reached. The quick action triple valveAlthough the plain automatic air brake was a great improvement over the straight air brake, in an emergency the system still applied the brakes to the last cars in a train later than to the first cars in a train. To remedy that condition, George Westinghouse invented the quick action triple valve in 1887. This triple valve system was tested by George Westinghouse on the CB&Q West Burlington hill (Iowa) during 1887. It automatically vents air from the brake pipe locally on each car, which applies the brakes more quickly. Electric railwaysFor the air brake to be employed on electric railways, an air compressor that is powered by electricity is required. Powerful electric locomotives were produced by the Westinghouse Electric & Manufacturing Company and by other companies.

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