STIRRING ASSEMBLY WITH A STIRRING ELEMENT AND A GASSING DEVICE
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Jan 10, 2008
filing date -
Jan 11, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a stirring assembly comprising a stirring element (2) for stirring a liquid and a gassing device (3 or 3') which supplies gas, such as air, below the stirring element (2) and at the side(s) of the stirring element (2), with the gas to be dispersed by means of the stirring element (2). The gassing device (3; 3') is designed in such a manner that until a critical gas quantity value determining the flooding point is reached, the gassing device (3; 3') supplies the quantity of gas to the stirring element (2) from below and when the flooding point is exceeded, the gassing device (3; 3') simultaneously supplies the gas exceeding the flooding point at the side(s) of the stirring element (2). The aim of the invention is to prevent the stirring element (2) from being flooded and to improve the dispersing effect of the liquid and gas.; For this purpose, the gas supply in the stirring assembly according to the invention is carried out, depending on the quantity of gas to be supplied, from below and from the side(s) in relation to the stirring element (2).
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