Hollow blade for a turbomachine and method of manufacturing said blade
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United States of America Patent
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Sep 6, 1994
Grant Date -
N/A
app pub date -
Aug 26, 1993
filing date -
Sep 2, 1992
priority date (Note) -
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Abstract
A hollow blade for a turbomachine comprises a unitary body having a multiplicity of transverse cavities in at least the airfoil shaped portion of the blade, and plugs disposed within the cavities and restoring the surface continuity of the intrados and extrados faces of the aerofoil shaped portion, the plugs being rigidly secured to the unitary body, such as by welding.
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