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Hydrostatic Fan Drives
Fan Drive, Electro-Hydraulically Controlled with Axial Piston Pump and Motor
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The electronic control senses the temperatures which must be controlled and other parameters, evaluates the values according to a given program and generates a control signal to the pump’s electro-hydraulic pressure control. This regulates pump output pressure and consequently fan power. This results in fan power outputs, which are exactly in accordance with the required cooling performance. The use of this type of electronically controlled variable pumps features many advantages.
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Advantages
- Reduction of energy requirements
- High control accuracy
- Sensing and evaluation of several operating parameters
- Fast response times
- Fail safe behavior
- Long service life
- Interface for diagnostic trouble shooting (optional)
In addition, there is the possibility to increase fan idling speed in anticipation of a heavy heat load – i. e. use of retarder.
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Relevant links for Fan Drives
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