Dynamic characteristics of continuously adjustable valves
and phase-frequency response . Characteristic points of these functions are the time constant that can be damped natural frequency and the damping.
Multi-media connector
Arrangement whereby a greater number of pipes for hydraulics, pneumatics and/or electrics can be connected or disconnected in one go ( Figure M 31 ). It must be set up in a way that allows a high number
Electronic Flow Sharing
functions and thus individual valve sections. This can be implemented as required with the help of electronic flow sharing. Example: A hydraulic pump can deliver 100 l/min. Two consumers (actuators) are [...] proportionally, i.e. each valve receives 50 l/min. "Electronic Flow Sharing" can be implemented in valve banks with the CAN-BUS . The electronic control unit onboard knows and monitors each individual
Piston rings for sealing
The kind of piston ring associated with the combustion engine can also be found in mechanical engineering. As a piston seal installed in a hydraulic cylinder , it has the advantage of showing very little [...] achieve a complete seal with it — not least because of the inevitable impact involved. The seal effect can be improved, however, if the impact occurs at an angle or in stages and by installing more than one
Secondary measures (in the case of sound)
means: measures, which can reduce the transmission of structure-borne noise. This relates primarily to the oscillation-insulated assembly of the pump to prevent the bodies which can oscillate greatly, such
Overrun
The switching time of the directional valves is also a factor. Delay influences, which are constant, can be taken into account using derivative action. The overrun poses great difficulties when approaching [...] switching valves , a crawl speed must first be used. In the case of proportional valves the delay can be brought under control using corresponding specifications for the ramp .
Variable area principle
devices can only be installed perpendicular and are primarily used in pneumatic systems. Loading a floating body with a spring force means that the measuring device is position-independent and can be designed
Time-based workflow control
time. For example, timer elements, time counters, gear shift drums with a constant rotation speed can be used to produce the switching conditions. The term timing control is reserved for the time-dependent
Blowing past piston seals
of a double acting hydraulic cylinder, in the case of a poorly designed piston seal, pressure fluid can flow from one side of the piston to another in a short time, normally if very rapid pressure changes
Power density
the compactness of the device (drive). A high power density thus means that large amounts of power can be transferred with relatively small components.