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Overload protection helps secure the system against excessive operating pressures. In fluid technology, the overload protection is provided by the working method of the pressure-limiting valve, which

Device which divides the delivery flow of a hydraulic pump into two or more equal or unequal sub-flows. It consists of a suitable number of displacement units based on gears or pistons, whose shafts a

Auxiliary device for measuring pressure and/or temperature at devices and when installed (in operation). This is only possible if some thought has already been paid during the planning stage for a sys

Transient response of a hydraulic motor during the run up to working speed. In this context, the run up time constant is of most interest, as is any overshoot.

Safety circuit for the elimination of a faulty device or part of a control system with redundant circuits. The signal is generally triggered by measures for fault detection .

Periodic pressure surge in a hydraulic fluid that is caused by the constant changing of the individual displacement units in a hydraulic pump from the suction phase to the pressure phase and vice-vers

Is used to characterise the dynamic behaviour of devices in hydraulics, above all of proportional valves and servo valves. In the Bode diagram the amplitude response and phase-frequency response are s

Pilot pressure below which a component adopts the 0 position.

Collective term for fluid and gaseous media. Here fluids is above all a common term for hydraulic fluids and compressed air.

Processing of digital signals (instead of analogue signals). Digital signal processing has experienced rapid growth due to the development of the microprocessor as a signal processing module. Digital