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For the control movements of a pilot-controlled valve the necessary pressure fluid is drawn from the same circuit. For this reason a separate control oil circuit is not necessary. As a rule, however,

Frequency with which a system left to itself oscillates after an external excitation ( damped natural oscillation ). For a 2nd order oscillatory delay element (e.g. spring-mass system, hydraulically f

Damping that a system provides due to its nature (that can only be increased by means of specific measures).

The damped natural oscillation of a system (e.g. spring-mass system or control circuit) is formed by oscillations or aperiodic movements that the system makes after external stimuli cease, i.e. when t

"Electronic Flow Sharing" describes the flow rate distribution of the pump flow to the individual consumers in a hydraulic system by means of electronic control. Flow sharing addresses the problem of

Signals on a transfer element that control the on this transfer element (DIN 19 226). Transferred to continuously adjustable valves the input signal is the physical variable, e.g. current or voltage,

Value of the electrical inductance for the input signal under defined conditions (frequency, armature position, type of circuit) (E DIN 24 311).

Pressure at the inlet to a device or a system (DIN 24 312). Self-priming pumps generate a negative pressure during priming if the fluid feed height is not positive. Min. and max. inlet pressure are de

Signal acting directly from the exterior on the signal processing or on an input element signal (DIN 19 237).

As new mineral oil is most definitely not pure (generally contamination class 6...7 according to NAS 1638), it should be filtered on filling the tank. Filler filters and breather filters comprise an a