Patent ID: 8424805
Filing Date: 2013-04-23
Classification: B64C,F01D,F05D,Y02T

Abstract:
1. An apparatus comprising: an airfoil structure including a root, a tip, and a span extending along a spanwise direction between said root and said tip, said span having a top surface opposite a bottom surface, wherein at least part of said span is defined by a plurality of molded monolithic members that extend in a side-by-side manner along the spanwise direction, each molded monolithic member including a corrugated portion with a top flange portion and a bottom flange portion extending from the corrugated portion, said top flange portions of adjacent molded monolithic members overlap one another to define said portion of the top surface; and said bottom flange portions of adjacent molded monolithic members overlap one another to define said portion of the bottom surface, said corrugated portion integrally formed with and joined to said top flange portion and said bottom flange portion, the overlapping top and bottom flange portions have a stepped interface to aid in side-by-side alignment of the plurality of molded monolithic members and provide four distinct planes by which to glue, bond or otherwise affix in sheer the plurality of molded monolithic members.