US Patent 6942460 Vane wheel for radial turbine
Patent 6942460 was granted and assigned to Mitsubishi on September, 2005 by the United States Patent and Trademark Office.
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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.
US Patent 6942460 Vane wheel for radial turbine
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