Stirring Apparatus
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United States of America Patent
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N/A
Issued Date -
Jul 15, 2010
app pub date -
May 21, 2008
filing date -
May 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An object is to provide a stirring apparatus which can exhibit excellent mixing characteristics and shorten the mixing time. The stirring apparatus includes a stirred tank having a bottomed cylindrical shape, a rotational shaft disposed coaxially or substantially coaxially within the stirred tank, a plate-shaped bottom blade having a lower end edge shaped to conform to a bottom wall surface of the stirred tank, the bottom blade having an opening for communication between one face side and an opposite face side, of the bottom blade, the ratio (h/d) between the blade height h of the bottom blade and the impeller diameter d of the bottom blade satisfies 0.4≦h/d, and the ratio of the opening area to the projection area of the bottom blade as viewed from the rotational direction thereof (opening ratio of the bottom blade) is 10-60%.
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