Chain pump

Also found in: Encyclopedia, Wikipedia.

Chain´ pump`

1.A pump consisting of an endless chain, running over a drum or wheel by which it is moved, and dipping below the water to be raised. The chain has at intervals disks or lifts which fit the tube through which the ascending part passes and carry the water to the point of discharge.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
This mechanism is central to the operation of modern machinery such as the steam engine and the internal combustion engine.Water-raising machinesFrom his crankshaft and connecting rod mechanism, Al-Jazari developed his crank-driven saqiya chain pump and the double-action reciprocating piston suction pump, both for the transportation of water without manual labor.
And, of course, Tesco are delighted with all the free publicity - and wouldn't it be nice to see the supermarket chain pump some money back into Welsh rugby.
But each salp in the chain pumps to the rhythm of its own built-in pacemaker.