oscillating engine

American  

noun

1. a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.

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Etymology

Origin of oscillating engine

First recorded in 1815–25

Example Sentences

Q.--Would any difficulty be experienced in keeping the trunnions tight in a high pressure oscillating engine?

From A Catechism of the Steam Engine by Bourne, John, C.E.

Cylinder of oscillating engine,   of direct acting screw engine.

From A Catechism of the Steam Engine by Bourne, John, C.E.

Q.--Will you explain in detail the construction of the valve gearing, or such parts of it as are peculiar to the oscillating engine?

From A Catechism of the Steam Engine by Bourne, John, C.E.

He usually built an oscillating engine, and rarely attached a condenser.

From A History of the Growth of the Steam-Engine by Thurston, Robert H.

Q.--Will you describe the structure of an oscillating engine as made by Messrs. Penn?

From A Catechism of the Steam Engine by Bourne, John, C.E.