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Relatively coarse compressed air filter (fineness approx. 3 μm ), which is placed upstream of high-performance filters in the case of dusty air to increase its service life. Pre-filters are generally

Arise with all displacement machines as the sum of the leaked oil and compression losses. The pressurised chambers in the devices are sealed off from moving components by mating surfaces and rods. The

The volumetric efficiency describes the ratio of the effective (actually absorbed or issued) flow rate to the theoretical flow rate based on the displacement kinematics and the rotation speed. For pum

In the case of continuously adjustable directional valves and flow control valves: Dependence of the flow rate on the input signal given an constant valve pressure difference (DIN 24 311) ( Figure V 3

The torque M of a pump is calculated from the pressure p, the volume per revolution Vg and the hydraulic mechanic efficiency factor ηhm of the pump. Calculate the torque input of a pump directly and e

The torque M of a motor is calculated from the pressure p, the volume per revolution Vg and the hydraulic mechanic efficiency factor ηhm of the motor. Calculate the torque output of a hydraullic motor

Device, which converts the pressure energy of a medium into mechanical energy. The drive movement is normally straight. Piston cylinder : The mechanical force F K is created by the influence of the pr

Ratio of the mechanical output power P a to the fluid input power P e: It is comprised of the volumetric efficiency η 2vol, which is 100% in the case of non-leaking seals : and the hydromechanical eff

Complete sequence of events or conditions that repeat periodically ( working cycle ).

Cycle number possible per time unit under defined operating conditions.