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.

The valve motion for an oscillating engine consists of an ordinary eccentric gear or motion, with the addition of various mechanical arrangements to accommodate the valve gear to the vibrating motion of the valve chest.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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.

The side lever engine, however, and the oscillating engine, are the only kinds of paddle engines which have been received with wide or general favor.

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