rotary pump

American  

noun

1. a pump for transferring water or other fluids by the rotating action of its component parts, as by the meshing of vanes or screws.

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rotary pump British  

noun

1. engineering a pump in which a liquid is displaced through a shaped stator by a shaped rotor

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Example Sentences

Firemen ran an air hose down the well, began pumping air down by a rotary pump.

From Time Magazine Archive

If a rotary pump leaks, the efficiency is not impaired so much as in a piston or plunger pump, all that is necessary being to run the pump at a high speed.

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

Frank, glad to do something to warm himself, set to work at the little rotary pump, and a stream of water splashed and spread about the deck, which slanted and straightened irregularly.

From The Boy Ranchers of Puget Sound by Bindloss, Harold

Lubrication is of the complete forced circulating system, the oil being supplied to every bearing under high pressure by a rotary pump of large capacity.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

The tide had covered the wreck, but the big rotary pump was running and, since the men had loosened the top of the cargo, it lifted the slimy stuff.

From Lister's Great Adventure by Bindloss, Harold