METHOD OF MANUFACTURING A TURBINE BLADE HALF, A TURBINE BLADE HALF, A METHOD OF MANUFACTURING A TURBINE BLADE, AND A TURBINE BLADE
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United States of America Patent
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Issued Date -
May 19, 2011
app pub date -
May 14, 2009
filing date -
May 16, 2008
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Abandoned
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Abstract
An aspect of the invention relates to a method of producing a turbine blade half using resin infusion molding. The method includes providing a mold for a turbine blade shell with fiber mats, placing a strengthening member over the fiber mats in the mould; placing a air-impermeable sealing layer over the fiber mats and against the strengthening member; introducing a curable resin in the fiber mats under reduced pressure, including in the area below the strengthening member; and curing the resin to form a turbine blade half, said turbine blade half comprising a turbine blade shell attached to the strengthening member. An aspect of the invention also relates to a turbine blade half, a method of producing a turbine blade, and to a turbine blade.
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