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Hand pump

Controller combination in which the setpoint Q for the flow rate controller and the setpoint p for the pressure controller are pre-defined electrically on proportional valves. In this way the performa

Flow rate of a pump

If different speeds are required, constant pumps are used in throttle control and variable pumps in pump controls .

The power input P of a pump is calculated from the pressure p and the flow Q as well as from the efficiency factor η of the pump. Alternatively, the power input can also be calculated from the torque M

Hydraulic pump/motor with two or more gears working together in one housing. They may take the form of an external geared pump/motor , an internal geared pump/motor or an annular gear pump/motor .

Power at the pump drive shaft at a given point in time or under given load conditions.

Pump direction switching

Displacement machine, in which two or three screw spindles engage one another such that the edges seal against one another and against the housing. In displacement areas between the housing and the sp

Charge pump