METHODS OF MANUFACTURING TURBOMACHINES BLADES WITH SHAPED CHANNELS BY ADDITIVE MANUFACTURING, TURBOMACHINE BLADES AND TURBOMACHINES
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Dec 13, 2013
filing date -
Dec 13, 2012
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Abstract
A hollow blade for a turbomachine comprises an airfoil portion; the airfoil portion extends longitudinally for a length; the airfoil portion is defined laterally by an external surface; the airfoil portion has at least one internal cavity extending along said length and defined laterally by an internal surface; the airfoil portion has a set of channels extending from the external surface to the internal surface; the openings of said channels on said external surface are aligned along a curved line that reflects an isobar on said external surface.
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