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

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 Sorata would not lie-to without somebody at the helm, and he could only leave the tiller lashed for a few minutes now and then while he labored at the little rotary pump.

From Thrice Armed by Bindloss, Harold

The water was expelled either by means of compressed air or by a rotary pump worked by an electro-motor.

From Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons by Abbot, Willis J. (Willis John)

In 1593 Serviere, a Frenchman, born in Lyons, invented the rotary pump.

From Inventions in the Century by Doolittle, William Henry