Method for compression molding a fan blade

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5843354
SERIAL NO

08972689

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for compression molding a resin-impregnated preform to fabricate an impact-resistance, fiber-reinforced composite fan blade for use in a high bypass turbofan engine. The method is compatible with the use of high viscosity resin systems that contribute greater impact resistance to the fan blade, but whose flow through the fan blade during molding would cause unacceptable movement of the reinforcing fibers. The method entails restricting the flow of the resin system within the preform through selective placement of a resin-impervious material on certain surfaces of the preform, so as to prevent resin loss and fiber movement during the compression molding operation.

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Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANYSCHENECTADY NY 12345

International Classification(s)

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  • 1997 Application Filing Year
  • B63H Class
  • 244 Applications Filed
  • 107 Patents Issued To-Date
  • 43.86 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances1997199819992000200120020255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Campbell, James M Burlington, KY 11 158
Evans, Charles R Cincinnati, OH 8 727
Jones, Jackie D Fairfield, OH 7 358

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Patent Citation Ranking

  • 28 Citation Count
  • B63H Class
  • 91.72 % this patent is cited more than
  • 27 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges11013110201 - 1011 - 2021 - 3031 - 4005101520253035404550556065707580859095100105110

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