Fluid-handling or transfer devices are not basically concerned with the modulation or transfer of power, but only with the movement of fluid. Two major types of fluid-transfer pumps are ...

A key element in fluid systems is the means of transmitting power from one location to another. Constructing a hydraulic or pneumatic system involves the design or selection of numerous components, ...

Engineers have long dreamed of eliminating moving parts from hydraulic valves, clutches and other basic mechanical workhorses as a way to build machines that are cheaper, lighter and more reliable.