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steam engine

(Encyclopedia)CE5 Steam engine steam engine, machine for converting heat energy into mechanical energy using steam as a medium, or working fluid. When water is converted into steam it expands, its volume increa...

engine

(Encyclopedia)engine: see diesel engine; internal-combustion engine; steam engine; rotary engine; automobile. ...

marine engine

(Encyclopedia)marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later ship construction t...

diesel engine

(Encyclopedia)diesel engine, type of internal-combustion engine invented by the German engineer Rudolf Diesel and patented by him in 1892. Although his engine was designed to use coal dust as fuel, the diesel engin...

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...

Stirling engine

(Encyclopedia)Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from a variety of so...

gasoline engine

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

Wankel engine

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

search engine

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

fire engine

(Encyclopedia)fire engine: see fire fighting.