Vacuum brake — The vacuum brake is a braking system used on trains. It was first introduced in the mid 1860s and a variant, the automatic vacuum brake system became almost universal in British train equipment, and in those countries influenced by British… … Wikipedia
brake booster — [1] A mechanical device which attaches to the brake system to multiply the force the driver applies with his foot (or hand as in the case of a motorcycle). The device uses air, vacuum, or hydraulic fluid to accomplish this purpose. Sometimes… … Dictionary of automotive terms
Vacuum servo — A vacuum servo is a component used on motor vehicles in their braking system, to provide assistance to the driver by increasing the braking effort. It is used on virtually all vehicles which use hydraulic brakes for their primary braking circuit … Wikipedia
brake — [1] To slow down a vehicle. [2] The mechanism that converts motion (kinetic energy) into heat energy through friction. The most common instance is found in the wheels of cars where the brake shoes or disc pads are designed to press against the… … Dictionary of automotive terms
Vacuum packing — Salt baked chicken feet sold in China: vacuum packed and ready to eat Vacuum packing or vacuum packaging is a method of packaging that removes air from the package prior to sealing. It can involve both rigid and flexible types of packaging. The… … Wikipedia
Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive … Wikipedia
Railway brake — A traditional clasp brake: the brake shoe (brown) bears on the surface (tyre) of the wheel (red), and is operated by the levers (grey) on the left … Wikipedia
Electro-pneumatic brake system on British railway trains — The Electro pneumatic brake system on British railway trains was introduced in 1950. The Southern Region of British Railways operated an intensive self contained fleet of electric multiple units for suburban and middle distance passenger trains.… … Wikipedia
Retarder (mechanical engineering) — A retarder is a device used to augment or replace some of the functions of primary friction based braking systems of (usually) heavy vehicles.Friction based braking systems are susceptible to fade when used extensively, and this can become… … Wikipedia
Manifold vacuum — Not to be confused with Vacuum manifold. Manifold vacuum, or engine vacuum in an internal combustion engine is the difference in air pressure between the engine s intake manifold and Earth s atmosphere. Manifold vacuum is an effect of a piston s… … Wikipedia
Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with … Wikipedia