Vane wheel for radial turbine
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United States of America Patent
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Sep 13, 2005
Grant Date -
Jun 17, 2004
app pub date -
Jan 6, 2003
filing date -
Jan 4, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A radial turbine impeller is provided, comprising a circular main disk provided with a plurality of blades, each having a negative pressure surface and a positive pressure surface; scallops being formed by cutting off the main disk between the negative pressure surface of the one blade and the positive pressure surface of the other blade adjacent to the one blade, respectively; wherein a minimum radius portion of the scallop having a minimum distance between a center of the circular main disk and the edge of the scallop is positioned closer to the positive pressure surface so that the scallop is asymmetric between the negative pressure surface of the one blade and the positive pressure surface of the other blade adjacent thereto.
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