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Symbolic representation of functional interactions between the signals of a system or a number of interacting systems. The functional dependence of the output signals on the input signals is shown as

Valve that switches the pump to a pressure-free circulation as soon as its flow rate is no longer needed in the circuit. Special 2/2 directional valves or pressure valves are suitable for use as a shu

Of a characteristic curve : A curve ( characteristic curve ), whose course deviates continuously or intermittently from a straight, line is approached by straight line at a certain operating point. Su

Describes the flow rate through laminar flow resistors ( capillary tube , gap). It is assumed, based on a steady-state laminar flow and a constant cross section flow, that the compressive force will b

Method for installing hydraulic valves, in which individual function blocks are stacked on one another like a tower ( Figure T 20 ). In this way, valves can be fitted on three or four free surfaces.

The force required to actuate a valve . The control force reaches its maximum value at the full input signal and is zero with zero input signal. Here there is a device-specific dependency for the outp

Hydraulic pump , consisting of several single pumps working in series. The aim is to achieve a higher pressure than permitted by the single pump. Sample application: Internal gear pump , which reaches

Adaptation of controller properties to the respective task by changing the control parameters with the aim of optimising the controller .

Specific type of seal, e.g. roof-shaped seal , u-shaped seal.

Design element that on piston pumps supports the piston at the sliding surface (swash plate, raceway). To reduce the contact force and therefore the friction the slipper is designed such that it can a