piston engine


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piston engine

[′pis·tən ¦en·jən]
(mechanical engineering)
A type of engine characterized by reciprocating motion of pistons in a cylinder. Also known as displacement engine; reciprocating engine.

piston engine

A term most commonly used for reciprocating engines. In airplanes, normally four-stroke engines are used. See four-stroke engine.
References in periodicals archive ?
"Motion Control of Free Piston Engine Generator Based on LQR," presented at 34th Chinese Control Conference (CCC), China, July 28-30, 2015, doi:10.1109/ChiCC.2015.7260927.
The principle operating method for inlet air charge transfer utilised in the SPV580 and most other even numbered cylinder stepped piston engines is shown schematically for reference in Fig 1.
The nitric oxide emission increases by 15.67% for multilayered ceramic coated piston engine when compared to uncoated piston engine.
Most of us fly aircraft powered by piston engines, a basic technology dating back to the late 19th century.
The new engine would weigh a fraction of piston engines in the 100 horsepower class and have 10 times the life span, according to the Air Force.
Propeller drive units with four-stroke piston engines are mainly used for the propulsion of UAVs weighting more than 50 kg.
Typical was the O-1E, powered by the 435-horsepower Curtiss V-1150-5 piston engine and was capable of reaching 145 miles per hour.
The piston engine produced by Napier called the Sabre was a 24 cylinder, 'H' (laid flat configuration, six cylinders to a bank) of 26.7 litres capacity producing in the Sabre VII, 3000 hp on take off.
Unlike a conventional piston engine, the Mazda RX-8's rotary engine has no cylinders, piston or valves.
for the codevelopment of a hybrid electric drive-train with an integrated oscillating piston engine (OPE), for which Apollo will provide a lightweight lead foam cobalt battery and fuel cell.
for the codevelopment of a hybrid electric drivetrain with an integrated oscillating piston engine (OPE).