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Energy produced by the effect of the pressure of a fluid.

Measure of the stability of a hydraulic system. Whatever applies to this also applies to general natural frequency . With hydraulic drives, it is more or less equivalent to the natural angular frequen

Damping D h of a hydraulic system which also applies in the absence of any leakage or friction: where A = piston area, σ = hydr. conductance of the system, m = total weight moved, V = oil volume under

1. Arrangement whereby a combination of two half bridges results in a full (Wheatstone) bridge. This is the case, for example, with the control edges of continuously adjustable valves whereby deflecti

Leakage occurring inside a device. It is not visible from the outside, but can involve a loss of power. With pumps, for example, this may be a flow of leaking oil from the high-pressure side towards t

Refers to the supply and discharge of the pressure fluid in pumps/motors through the inside of the displacement unit. For example, with valve plate controlled radial piston machines where the pistons

The displacement units in a hydrostatic displacement machine (pistons or rigid vanes) are supported by a cam (eccentric) in an eccentric position on the shaft. The size of the stroke determines the le

Pump with two gear wheels in most cases whose outer (ring gear) has teeth on the inside. The inner sprocket is smaller. The fluid is conveyed in the spaces between the gaps in the teeth of the two gea

Pressure within a system or its parts (DIN 24 312).

Growth of a variable in identical individual stages Δ s .