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Hydraulic Pump Motor
Hydraulic cylinders, which are one aspect of the three part hydraulic pump motors, have two chambers and a piston rod. The basic concept behind hydraulic systems is fairly simple: force applied to incompressible liquid triggers linear motion in a piston. When the hydraulic fluid is pumped into the bottom chamber of a hydraulic cylinder, the piston rod is pushed up, pushing the fluid in the other chamber back into the reservoir. This process pressurizes the chamber and extends the piston to its full length, giving the hydraulic cylinder its ability to push. Hydraulic pump motors, and hydraulic motors in general, are often used in construction vehicles, automobiles and aircrafts. There are also a vast amount of industrial machinery that employs hydraulic motors for specific action that require heavy lifting or will experience strong pressure.