
VELOCITY CONTROL AND VARIABLE FREQUENCY DRIVES
US Patent # 9,731,914
Variable Frequency Drives control the speed of a vacuum pump based on the inlet pressure at the pump, allowing material to be conveyed at a programmed velocity. By controlling the velocity of the material flow through a transport system, angel hair can be reduced and often eliminated altogether. Velocity Control can significantly reduce energy costs by maximizing the efficiency of material convey.
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