oscillating engine

American  

noun

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

---

Etymology

Origin of oscillating engine

First recorded in 1815–25

Example Sentences

A.--In Messrs. Penn's 50 horse power oscillating engine, the diameter of the cylinder is 3 feet 4 inches, and the length of the stroke 3 feet.

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

Air pump, connecting rod and cross head of oscillating engine.

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

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.

A.--In common with every other improvement, the oscillating engine, at the time of its introduction, encountered much opposition.

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.