air engine

noun

1. an engine that uses the expansion of heated air to drive a piston

2. a small engine that uses compressed air to drive a piston

Example Sentences

He said he believed his liquid air engine would prevail against other storage technologies because it did not rely on potentially scarce materials for batteries.

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Herring made for this a compressed air engine and claimed that with this he accomplished a flight of seventy-three feet.

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Samuel Brown, in patents dated 1823 and 1826, proposed to fill a closed chamber with a gas flame, and so expel the air; then he condensed the flame by injecting water, and operated an air engine by exhausting into the partial vacuum so obtained.

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The sister invention of the gas engine is the air engine.

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It is recorded that Amontons of France, in 1699, had an atmospheric fire wheel or air engine in which a heated column of air was made to drive a wheel.

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