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Turbine blade platform seal

  • US 6,273,683 B1
  • Filed: 02/05/1999
  • Issued: 08/14/2001
  • Est. Priority Date: 02/05/1999
  • Status: Expired due to Term
First Claim
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1. A blade group in a turbo-machine comprising:

  • a first blade having a first platform section with a first edge;

    a second blade having a second platform section with a second edge located adjacent said first edge and forming a gap therebetween;

    a first groove formed in said first edge;

    a second groove formed in said second edge; and

    a first seal plate inserted into said first groove and said second groove and spanning a first portion of said gap;

    a third groove formed in said first edge;

    a fourth groove formed in said second edge;

    a second seal plate inserted into said third groove and said fourth groove and spanning a second portion of said gap, a fifth groove formed in said first edge, said fifth groove having a first end proximate a first end of said first groove and a second end proximate a first end of said third groove;

    a seal pin inserted into said fifth groove, said seal pin having a first end proximate a first end of said first seal plate and a second end proximate a first end of said second seal plate, said seal pin operable to make contact with said second edge and to span a third portion of said gap.

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