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General : Graphically represented mutual dependency between two operating variables, often with a constant third being used as the parameter. Example: In Figure D79, the flow rate Q is applied to a co

The required filter size is based on the permissible flow resistance of the oil filter at the nominal flow rate. The selection of the filter size is affected by: The selected filtration grade , The fl

Valve with a proportional connection between the input signal and pressure in the working lines (consumer ports). This includes construction designs of proportional pressure-limiting valves and pressu

( single or separate drive for machines ) Each output element has a dedicated drive element or a dedicated pump. Separate circuit hydraulics are used on simple drives and in systems with several drive

Pneumatic time element, which has the same construction as an RC element, i.e. a combination of a throttle valve and a small air container. After the container is filled, a valve is reversed ( Figure

Hydraulic circuit that is predominantly used in mobile hydraulics . Here the directional valves are closed in the centre position; the flow rate is either routed Via an idle circulation valve (on cons

Measuring instrument that acquires at its input the measured variable "pressure" and outputs a corresponding electrical signal on its output. The pressure transducer therefore comprises a housing with

in which only one physical variable (e.g. distance or pressure or speed), the controlled variable , is fed back (Figure E 8) .

Behaviour of a hydraulic motor on transition from standstill to motion. Due to its design and the related friction and leakage losses, during starting a motor outputs a significantly lower useful torq

Setting values of the controller, which can be used to adapt the controller properties to the conditions of the controlled subsystem, and the quality requirements of the .