DISCHARGING MATERIAL FROM HOPPERS AND THE LIKE
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
May 12, 2008
filing date -
May 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus to effect optimum delivery of dry bulk material from a hopper includes a device to provide vibratory stimulus to the hopper. The device for providing vibratory stimulus includes a device to identify the resonant frequency of the hopper and its contents at any time and to automatically continuously vary the frequency of the vibratory stimulus to maintain this frequency at, or close to, the resonant frequency of the hopper and its contents.
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