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Composite blade with reinforced leading edge

  • US 5,439,353 A
  • Filed: 06/09/1994
  • Issued: 08/08/1995
  • Est. Priority Date: 02/06/1992
  • Status: Expired due to Fees
First Claim
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1. A composite propulsor blade comprising:

  • a spanwisely extending load bearing spar assembly having a leading edge, a trailing edge, and a pressure side and a suction side extending therebetween; and

    an outer shell disposed about said spar assembly, said shell having a first relatively uniform thickness overlapping the leading edge of said spar assembly and a second relatively uniform thickness overlapping the remainder of said spar assembly, said first thickness being about twice as thick as said second thickness.

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