What is the basic function of a pump?

The basic function of a pump is to transport fluids. Pumps are mechanical devices designed specifically for moving liquids and gases from one location to another, often against a pressure gradient. This transport function is crucial in a variety of applications, ranging from industrial processes to residential plumbing systems.

Pumps utilize various mechanisms to achieve fluid movement, whether through positive displacement methods, where a specific volume of fluid is moved mechanically, or through centrifugal force, using a rotating impeller to increase fluid velocity and pressure. This fundamental capability is essential for maintaining flow in systems like water supply, chemical processing, and even HVAC systems.

While generating pressure, circulating air, and cooling equipment may involve the use of pumps or be related to their functions, they are not the primary purpose of a pump itself. The essence of a pump's operation lies in its ability to facilitate the movement of fluids, which underpins its role in numerous engineering and mechanical systems.