Inducer with cavitation instability controls to reduce vibrations and radial loads
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United States of America Patent
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Dec 8, 2015
Grant Date -
Dec 12, 2013
app pub date -
Jun 11, 2012
filing date -
Jun 11, 2012
priority date (Note) -
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Abstract
An inducer includes a hub having an inlet end and an outlet end. At least one full size blade has an inner edge is affixed to the hub and an outer edge. This full size blade extends rearwardly from the inlet end in a helical configuration. A partial shroud encloses a first length of the full size blade outer edge adjacent the inlet end. A second length of the full size blade outer edge that is adjacent to the outlet end is free of the partial shroud. It is within the scope of the disclosure to include short blades symmetrically offset from the two full size blades. These short blades have a short blade inner end affixed to the partial shroud and a short blade outer end extending from the partial shroud towards the hub, but terminating prior to reaching the hub.
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