发明名称 |
GAS TURBINE ENGINE SHROUD SEALS |
摘要 |
A seal assembly for a turbine blade tip shroud including a one-piece bent metallic sheet inter-segment seal having an axial component and a vertical component adapted to fit in a groove formed in the end walls of each shroud segment, wherein the shroud segment has a plateform and radially extending ribs, and the seal fits tightly in the groove providing an axial an a radial component to the seal. A ring seal is also provided for sealing a joint between the shroud and a mounting structure where an annular gap is formed having an "L" shaped cross section, the ring seal having a "C" shaped configuration and one of the legs of the "C" extending within an axial component of the "L" shaped gap. The leg has a wave pattern with the peaks of the wave in contact with opposite radial walls of the axial component of the gap for creating a gas seal at the joint.
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申请公布号 |
CA2255077(C) |
申请公布日期 |
2007.09.25 |
申请号 |
CA19972255077 |
申请日期 |
1997.05.20 |
申请人 |
PRATT & WHITNEY CANADA INC. |
发明人 |
CRONE, JAMES C.;PIZZI, ANTONIO |
分类号 |
F01D11/08;F01D11/00;F01D25/24;F16J15/08 |
主分类号 |
F01D11/08 |
代理机构 |
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代理人 |
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主权项 |
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