Mixing and dispensing device
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Jun 10, 1999
filing date -
Jun 11, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A mixing device for fluids, comprising a column within which there is an internal core, a space between the column and core defining a channel for the flow of the fluids, the surface of the column facing the core having fluid guide elements which impart helical flow in a first twist direction upon a fluid flowing along the channel, the surface of the core having fluid guide elements thereon which impart helical flow in an opposite twist direction upon the fluid. On part of the channel, the helical flow imparted to the fluid is predominantly in the twist direction of the elements on the core and on a part of the channel upstream or downstream of this part the helical flow imparted to the fluid is predominantly in the twist direction of the elements on the column.
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