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For example, the braking system known as EPB or BS from Wabco incorporates ABS and ASR functions. The stopping distance of the Actros was drastically reduced compared to its predecessor, the SK. In later models of Actros 2 and all Actros 3 models, the braking system was improved to EPB 2.
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.
WABCO Holdings, Inc. was a U.S.-based provider of electronic braking, stability, suspension and transmission automation systems for heavy-duty commercial vehicles. [2] In 2007, the Vehicle Control Systems was spun off as WABCO Holdings Inc., an American provider of electronic braking, stability, suspension and transmission automation systems for heavy-duty commercial vehicles.
An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles, such as cars, motorcycles, trucks, and buses. [1] ABS operates by preventing the wheels from locking up during braking, thereby maintaining tractive contact with the road surface and allowing the driver to maintain more control over the ...
A relay valve is an air-operated valve typically used in air brake systems to remotely control the brakes at the rear of a heavy truck or semi-trailer in a tractor-trailer combination. Relay valves are necessary in heavy trucks in order to speed-up rear-brake application and release, since air takes longer to travel to the rear of the vehicle ...
Elaborate ESC and ESP systems (including Roll Stability Control [75]) are available for many commercial vehicles, [76] including transport trucks, trailers, and buses from manufacturers such as Daimler, Scania, [77] and Prevost. [78] In heavy trucks the ESC and ESP functions must be realized as part of the pneumatic brake system. [79]
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The trailer brake consists of a direct two-line system: the supply line and the separate control or service line. The supply line receives air from the prime mover park brake air tank via a park brake relay valve and the control line is regulated via the trailer-brake relay valve. The operating signals for the relay are provided by the prime ...