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Function principle in which a small pilot piston is deflected, the main control piston then follows by means of pressure actuation as long as the actuation lasts. As a rule the pilot piston is in the

Given by the natural frequency as

In general : Drive elements activated by an amplifying auxiliary force (e.g. power steering, servo brake). In fluid technology : Collective term for an automatic drive system, which contains a power a

Macromolecular materials whose molecules are made up of simple, repeated molecular units (blocks). Their number determines the level of polymerisation. The materials used in fluid technology in terms

The input signal U E for a device (e.g. high response proportional valve) or a system (e.g. control circuit) generally covers a range of U E = 0->U Nominal (max. signal). For high response proportiona

Given by the corner frequency f E as:

Control electronics that are integrated into a larger magnetic plug with a configuration in accordance with DIN 43650. Control electronics integrated in a magnetic plug for proportional valves . The e

Variant of a central hydraulic oil supply in which the pressure in the manifold is only applied by variable pumps that are equipped with pressure controllers. The size necessary for the pumps is based

Hydraulic drive unit operated electrically using a stepper motor or DC motor with integrated control unit ( following control valve ) and integrated, mostly mechanical feedback . The following control

Device that sets the delivery flow of a variable pump to zero on reaching a set pressure such that this pressure is maintained in the system (Figure D 71) . This means that all internal and external p