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2. S-cam - Wikipedia

   en.wikipedia.org/wiki/S-cam

   The S-cam is generally used in heavy trucking applications or commercial vehicles where an air supply is readily available from the vehicle. It is normally powered by air, but hydraulic power can be used too. The S-cam foundation brake is being used in over 85% of vehicles in the U.S. that run with air brakes. [1]

3. Westinghouse Air Brake Company - Wikipedia

   en.wikipedia.org/wiki/Westinghouse_Air_Brake_Company

   The Westinghouse Air Brake Company was established by George Westinghouse in 1869. In 1889, the Air Brake plant was moved to Wilmerding, Pennsylvania, a small farming town located 14 miles (23 km) outside of Pittsburgh. [9] At the time, was only inhabited by about 5,000 people.

4. Air brake (road vehicle) - Wikipedia

   en.wikipedia.org/wiki/Air_brake_(road_vehicle)

   Air brakes are typically used on heavy trucks and buses. Typical operating pressure is approximately 100–120 psi or 690–830 kPa or 6.9–8.3 bar. A compressed-air-brake system is divided into a supply system and a control system.

5. Relay valve - Wikipedia

   en.wikipedia.org/wiki/Relay_valve

   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 ...

6. Retarder (mechanical engineering) - Wikipedia

   en.wikipedia.org/wiki/Retarder_(mechanical...

   Exhaust brakes are simpler in operation than an engine brake.Essentially, the exhaust pipe of the vehicle is restricted by a valve.This raises the pressure in the exhaust system, forcing the engine to work harder on the exhaust stroke of its cylinders, so again the engine is acting as an air compressor, with the power required to compress the air being withheld from the exhaust pipe, retarding ...

7. Haldex (company) - Wikipedia

   en.wikipedia.org/wiki/Haldex_(company)

   Haldex focuses on brake products, air suspension systems and products to enhance safety for heavy vehicles. The Foundation Brake product line includes brake products for wheel ends such as disc brakes, brake adjusters for drum brakes and actuators.