Composite wind turbine blade spar mandrel and method of...

Details Composite wind turbine blade spar mandrel and method of... Composite wind turbine blade spar mandrel and method of...

B - Operations, Transporting

65

H

26/150, 170/32

B65H 81/00 (2006.01) B29C 53/82 (2006.01) F03D 11/00 (2006.01)

Patent

CA 1122125

COMPOSITE WIND TURBINE BLADE SPAR MANDREL AND METHOD OF FABRICATING ABSTRACT OF THE DISCLOSURE A hollow, stiff, one piece filament-reinforced composite mandrel of nonuniform wall thickness for a wind turbine blade spar is comprised of bonded inner and outer filament- reinforced shells. The inner shell is fabricated by bonding together separately formed tubular halves. The outer shell is built up on the outer surface of the inner shell pre- ferably by judicious winding of a plurality of turns of filament-reinforced epoxy resin material.

341887

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