Milling and drying apparatus incorporating a cyclone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 12, 2013
Grant Date -
Mar 18, 2010
app pub date -
Oct 27, 2009
filing date -
Aug 29, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A cyclone comprising: an upper cylindrical portion which opens into the wider end of a lower frusto-conical portion, with the longitudinal axes of said upper and lower portions aligned and substantially vertical; a primary air inlet into the cyclone arranged such that the inlet air is substantially tangential to the circumference of the cyclone; an exhaust outlet at or adjacent the top of the cylindrical portion; a control valve associated with said exhaust outlet and capable of partially or completely shutting off said exhaust outlet; a secondary air inlet associated with the narrow end of the frusto-conical portion and provided with an airflow stabilizing device which is adapted to admit a stream of air substantially along or spirally around the longitudinal axis of the cyclone; means for removing processed product from the cyclone; means for moving said airflow stabilizing device into and out of the narrow end of the frusto-conical portion during product processing and/or between product processing.
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