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Figure 2.2: - Basic Hydraulic Circuit
2.1 Hydraulic Pump
Hydraulic pumps convert mechanical energy, such as the rotations of motors or
engines, to fluid energy. They are called positive displacement pumps and are
distinguished from the centrifugal types, such as water pumps and fans, because flow
and pressure energies are generated in a closed space. Table 2-1 shown comparison
of pump in hydraulic system.
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