air piston
41air gun — a gun operated by compressed air. [1745 55] * * * ▪ weapon weapon based on the principle of the primitive blowgun that shoots bullets, pellets, or darts by expansion of compressed air. Most modern air guns are inexpensive BB guns… …
42piston displacement — [1] Amount (volume) of air displaced by a piston when moved through the full length of its stroke. [2] Volume obtained by multiplying area of cylinder bore by length of piston stroke. [3] Also see displacement …
43Air gas — Gas Gas (g[a^]s), n.; pl. {Gases} (g[a^]s [e^]z). [Invented by the chemist Van Helmont of Brussels, who died in 1644.] 1. An a[ e]riform fluid; a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be …
44air spring — noun a mechanical device using confined air to absorb the shock of motion • Syn: ↑air cushion • Hypernyms: ↑shock absorber, ↑shock, ↑cushion * * * Mach. a springlike support utilizing the compressibility of air confined behind a piston in a… …
45Air Tractor AT-501 — NOTOC Infobox Aircraft name=AT 500 family caption= type=Agricultural aircraft manufacturer=Air Tractor designer= first flight=1986 introduced= retired= status= primary user= more users= produced= number built= variants with their own articles=The …
46piston — A sliding plug in an actuating cylinder that converts pressure into force and then into work. In reciprocating engines, a piston compresses the fuel air mixture and transmits force from expanding gases in the cylinder to the crankshaft …
47piston engine — A form of internal combustion engine. It is a heat engine in which the expansion of gas causes (by the explosion or a fuel and air mixture or the introduction of steam) a piston inside a cylinder to move and turn a crank shaft …
48Air operated valve — An Air Operated Valve is a type of power operated valve that uses air pressure against a piston or diaphragm to produce linear or circular movement to operate a valve …
49air cylinder — /ˈɛə sɪləndə/ (say air siluhnduh) noun a cylinder containing air, especially (with a piston) as a device for checking the recoil of a gun …
50air brake — noun Date: 1871 1. a brake operated by a piston driven by compressed air 2. a surface that may be projected into the airstream for increasing drag and lowering the speed of an airplane …
