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All signals, apart from the input signal , required for the functionality and monitoring of a device. These include dither signals , feedback signals, , testing signals and the like (DIN 24 311).

Device for removing undissolved air (gas) that may be carried in the hydraulic fluid in a hydraulic system . The valve must be fitted at the highest point in the system and can trigger automatically o

Measuring amplifier, in which an AC generator supplies a with a supply voltage with a constant amplitude and frequency. Where the transducer is strained at the outlet of an amplitude-modulated AC sign

Process to control the rotation speed by adjusting the torque with a reversible hydraulic motor in a system with impressed pressure ( constant pressure network ( Figure S 43 ). The rotation speed of t

Temperature at which the mineral oil still just flows under defined test conditions. It is somewhere between 6 and 8°C above the pour point . The pour point cannot be used to assess the characteristic

Basic structure whereby interactions take place within a kind of circle. This is the structure for resulting from the feedback of controlled variables required in this context ( Figure K 38 ).

Devices (e.g. measuring instrument or measuring devices ) on which the error and also the effects in defined test conditions are within defined limits; they can have a class identifier that mostly cor

Valve with two switching positions. In the case of the directional valves these are 2/2, 3/2 and 4/2 directional valves.

Hydraulic accumulators

Law for hydraulics. Equation defined by Daniel Bernoulli (1700—1782) in 1738 for the steady-state flow of incompressible fluids and gasses free of friction. Bernoulli’s equation is a fundamental law d