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Turbine blade with metallic attachment and method of making the same

  • US 5,314,309 A
  • Filed: 12/10/1991
  • Issued: 05/24/1994
  • Est. Priority Date: 05/25/1990
  • Status: Expired due to Term
First Claim
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1. A turbine blade comprising an elongated, molded blade of composite material consisting essentially of short fibers positioned in an epoxy resin, and a rotor retention member having an insert at a first end of said member and a hub securing end at a second opposite end of said member, said insert being integrally molded into said composite material of said molded blade at one end of said blade with said hub securing end of said member protruding from said one end of the blade for connecting the turbine blade to a hub of a turbine rotor, wherein short fibers of said composite material are aligned in parallel to each other in a longitudinal direction of said elongated blade as a result of flow of the composite material in said direction occurring during a molding of the molded blade, so as to rigidify the elongated turbine blade.

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