There are three basic types of pumps: positive-displacement, centrifugal and axial-flow pumps. In centrifugal pumps the direction of flow of the fluid changes by ninety degrees as it flows over …

Nov 20, 2025 · Pump, a device that expends energy in order to raise, transport, or compress fluids. The earliest pumps were devices for raising water, such as the Persian and Roman …

The meaning of PUMP is a device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both. How to use pump in a sentence.

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Force liquids through pipes or closed circuits for heating and cooling or filling and emptying tanks. Replace impellers on your pumps. Raise pumps off of floors to prevent motor damage from …

The pump is powered by a small electric motor. Fish tanks often have a pump that oxygenates the water. The pump is driven by steam.

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