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gasoline engine

(Encyclopedia)gasoline engine: see internal-combustion engine. ...

jet engine

(Encyclopedia)jet engine: see jet propulsion.

Wankel engine

(Encyclopedia)Wankel engine: see internal-combustion engine. ...

search engine

(Encyclopedia)search engine: see Internet, the. ...

rotary engine

(Encyclopedia)rotary engine, internal-combustion engine whose cycle is similar to that of a piston engine, but which produces rotary motion directly without any conversion from reciprocating motion. A major problem...

Benz, Karl

(Encyclopedia)Benz, Karl bĕnts [key], 1844–1929, German engineer, credited with building the first automobile powered by an internal-combustion engine. The car, driven in Mannheim in 1885 and patented in 1886, h...

valve

(Encyclopedia)valve, device for controlling the flow of fluids (liquids and gases). Valves vary in construction and size depending upon their function. Some are classified according to their method of operation or ...

tractor

(Encyclopedia)tractor, in agriculture, vehicle used to pull such equipment as plows, cultivators, and mowers; to power stationary devices such as saws and winches; and to push snowplows and earth-moving implements....

ignition

(Encyclopedia)CE5 Ignition system ignition, apparatus for igniting a combustible mixture. The German engineer Nikolaus A. Otto, in his first gas engine, used flame ignition; another method was heating a metal t...

motorboating

(Encyclopedia)motorboating, sport of navigating a motor-powered vessel on the water. It is done on either fresh- or saltwater and may be competitive or recreational. The first successful motorboat traveled (1887) a...