Impeller assembly
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United States of America Patent
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-
Apr 26, 2005
Grant Date -
Jul 24, 2003
app pub date -
Nov 20, 2002
filing date -
May 19, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An impeller assembly includes an impeller which has a pair of plate means adapted for individual connection to a drive shaft for rotation by the drive shaft about an axis, and vane means disposed intermediate the pair of plate means and adapted for rotation with the pair of plate means. The impeller assembly further includes means for applying force parallel to the axis of the impeller to the impeller so as to clamp the pair of plate means and intermediate vane means together.
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