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m. There are 3 basic designs available: single acting cylinders and double-acting cylinders with 1 or 2 piston rods. There are also numerous special forms. The load for a hydraulic cylinder is based on [...] Cylinder designed to be used with hydraulic fluids at generally higher pressures (of around 100 bar and above). Given the relatively low compressibility of the fluid and the low weight of a piston, hydraulic

will become unequal. At the output of the transducer, an AC voltage U will then be present in proportion to how far the plunger has been moved. In most cases, coils are operated at a carrier frequency of [...] by an ohmic half bridge in the amplifier with carrier frequency (Figure I 7 b) . The output voltage at the bridge rectifier is proportional to how far the iron core of a solenoid has been moved. The measured [...] amplifier. These transducers, which are also contact-free, are particularly suitable for short distances (0.1 to 3 mm). A major area of application is measurement of the distance shifted for continuously adjustable

as well as potential leakages must be taken into consideration here. The critical flow speed occurs at the smallest diameter. The pump is driven by the electric drive and converts the electrical energy [...] case. This loading is described as Nominal mode of operation in the international standard IEC 60034-1. It will be familiar from selecting appropriate motors and can also be applied when choosing hydraulic

measure angular velocities, essentially DC generators have been used up to now (Figure G 9 a) . Even at low rotation speed these devices provide a DC signal that can be evaluated without problems. This voltage [...] the phase offset on the two voltages. Problems can arise with the uniformity of the measured signal at very low rotation speeds. Angular velocity transducer A very simple rotation speed measurement is provided [...] unit time, that is the velocity. The transducers are in practice used for measuring lengths of up to 1 m. If the distance is measured, it is also possible to obtain the velocity from the differentiation