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The negative excess pressure created in the intake stroke of the displacement units sucks up the oil automatically. This suction capacity is highly dependent on the construction design of the pump, it

This is understood as the part of the overall control system of a plant, which is to control the compressed air or hydraulic fluid. in terms of direction, strength and pressure potential from the pump

Bernoulli force

The column of fluid in pipes is elastic and affected by both weight and friction. These characteristics are described in terms of the pipe capacity , the pipe inductance and the flow resistance (effec

Normal cooling principle on water-cooled oil coolers. It states that the medium to be cooled flows in the cooling pipes in the cooler in the opposite direction to the cooling water.

Function unit for controlling a single (DIN 19 237). The single control for an actuator is the smallest (and lowest) function unit within the control for a process. It controls a single control elemen

Damage to the hydraulic fluid primarily due to oxidisation (formation of acid residues) and polymerisation (enlargement of the hydrocarbon chains); creates sludge or resin-like coatings on device part

Of a functional group : Qualitative illustration of dependent workflows and states of a functional group, e.g. multiple cylinders in order to get an overview of the function sequence ( Figure W 9 ). T

Control in which the reference variable (n) is delivered by a time-dependent programmer . The programmer can be started by a trigger signal (DIN 19 226).

The signal parameter can only assume defined discrete values (or overlapping value ranges) (DIN 19 225).