METHOD OF MANUFACTURING ROTOR SUCH AS IMPELLER OR TURBINE WHEEL
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Jul 30, 2013
filing date -
Aug 2, 2012
priority date (Note) -
Abandoned
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Abstract
Disclosed is a method of manufacturing an impeller or a turbine wheel having a disk hub and an air foil. The method includes forming a mold for casting including a cavity of a shape corresponding to the rotor, arranging a core at a location corresponding to an inside of the rotor in the cavity of the mold for casting, injecting molten metal into the mold for casting where the core has been arranged, and removing the core from a casting which has been cast in the mold for casting.
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