compressed-air brake
1Air brake (road vehicle) — Air brakes are used in trucks, buses, trailers, and semi trailers. George Westinghouse first developed air brakes for use in railway service. A safer air brake was patented by him on March 5, 1872. Originally constructed for use on trains, and… …
2Air brake — may refer to the following contexts:* Air brake (aircraft), in aeronautics, a type of flight control system used on aircraft to reduce speed* Railway air brake, a type of brake operated by compressed air and used on locomotives and railroad cars… …
3compressed air — air compressed, esp. by mechanical means, to a pressure higher than the surrounding atmospheric pressure. [1660 70] * * * Air reduced in volume and held under pressure. Force from compressed air is used to operate numerous tools and instruments,… …
4Air brake — (Mach.) A railway brake powered by compressed air. Knight. Syn: airbrake. [1913 Webster] …
5air brake — ☆ air brake n. 1. a brake operated by the action of compressed air on a piston 2. popularly SPEED BRAKE …
6air brake — air′ brake n. 1) mac a brake or system of brakes operated by compressed air 2) aer. a device for reducing the air speed of an aircraft by increasing its drag • Etymology: 1870–75, amer …
7air-brake — airˈ brake noun 1. A brake worked by compressed air 2. A means of reducing the speed of an aircraft • • • Main Entry: ↑air …
8air brake — brake operated by compressed air; surface projected into an airstream for reducing the speed of an airplane …
9air brake — air brakes N COUNT Air brakes are brakes which are used on heavy vehicles such as buses and trains and which are operated by means of compressed air …
10air brake — noun 1. : a brake operated by a piston driven by compressed air from reservoirs connected to brake cylinders by triple valves which upon reduction of air pressure in the brake pipe automatically admit air from the reservoirs into the brake… …
