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HOLLOW FAN BLADE WITH STRUCTURAL RIBS

  • US 20180347582A1
  • Filed: 05/31/2017
  • Published: 12/06/2018
  • Est. Priority Date: 05/31/2017
  • Status: Active Grant
First Claim
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1. A fan blade for a gas turbine engine, comprising:

  • a first member and a second member;

    the first member having a first surface and the second member having a second surface, each of the first surface and the second surface extending from a leading edge to a trailing edge of the fan blade and from a tip edge to or proximate to a root of the fan blade;

    the first surface being externally facing and being one of concave or convex between the leading edge and the trailing edge and the second surface being externally facing and being another of convex or concave between the leading edge and the trailing edge; and

    wherein the second member includes structural ribs extending to the first member, and wherein the first member is bonded to the second member at free edges of the structural ribs and about a perimeter of the fan blade.

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