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The usable volume ΔV of a hydraulic accumulator results from the nominal volume V0 of the accumulator, the precharge pressure p0 and the upper accumulator pressure p2 and lower accumulator pressure p1

Flow through a valve as determined by a given load and a specific signal. With continuously adjustable valves , the load flow is described in terms of the flow rate load function Q L=f(y,pL).

Tabular summary of the dirt particles in a hydraulic fluid according to their particle size. The profile of contamination is increasingly being demanded of filter manufacturers by users as a purity re

Power drawn at the shaft of a hydraulic pump at a specific point in time or under specific load conditions. It differs from the hydraulic power by the sum of the pump losses ( volumetric efficiency, h

This assumes there are linear relationships within the . As well as the controller (linear controller), the model ( model of open loop system ) for the controlled subsystem must also behave in a linea

Intermittent duty is one of the other Nominal mode of operation denoted in the international standard IEC 60034-1. Hydraulic power packs work in intermittent operation if they are switched on and off