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Westinghouse Automatic Air Brake. In 1869, George Westinghouse patented an automatic air brake system for railroads. It had a built-in safeguard to apply the brakes on the entire train should it separate. It made possible longer and faster trains and improved the safety of rail transportation. 1872 Pittsburgh Pennsylvania United States ASME ...
The concept of brake pads or disc brakes as an alternative to drum brakes had been around at least as early as a patent by F. W. Lanchester in 1902. [2] However, due to high cost and inefficiencies compared to drum brakes they were not commonly implemented until after World War II. [3]
Drum brake (upper right) with the drum removed (lower left, inside facing up), on the front of a Ford Falcon Sprint A rear drum brake on a Kawasaki W800 motorcycle. A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating bowl-shaped part called a brake drum.
An example of CMC manufacture, which was introduced for the production of ceramic brake discs, is the reaction of silicon with a porous preform of C/C. [14] The process temperature is above 1,414 °C (2,577 °F), that is above the melting point of silicon, and the process conditions are controlled such that the carbon fibers of the C/C-preform ...
The brake lining may also become contaminated by oil or leaked brake fluid. Typical symptoms will be brake chatter, where the pads vibrate as the lining grabs and releases the rotor's surface. The solution is to repair and clean the source of the contamination, replace the damaged pads and possibly also have the rotors re-skimmed or replaced if ...
US 2366093 Brake. Forbes Joseph A. 1944-12-26; US 2140752 Brake. La Brie 1938-12-20; US 2084216 V-type brake for motor vehicles. Poage Robert A. and Poage Marlin Z. 1937-06-15; US 2028488 Brake. Avery William Leicester 1936-02-21; US 1959049 Friction Brake. Buus Niels Peter Valdemar 1934-05-15; US 1954534 Brake. Norton Raymond J 1934-04-10
Band brake for rear wheel of a bicycle A GE electric motor with band brake to control its speed. Band brakes were common on winch drums and chain saws and is also used for some bicycle brakes. [1] Band brakes were commonly used to control the winding drum on railway inclines that lowered loaded wagons while raising empty ones over a steep slope ...
This describes the electrically controlled drum brake principles. The brake is built with the brake shield (1) as a base that contains the mechanism. The brake shield is mounted on an axle/spindle using the holes in the centre. The brake shoes (3) are the items performing the braking by pressing outwards at the drum that covers all the innards.