Title:
ガスタービンエンジンのシュラウドシール
Document Type and Number:
Japanese Patent JP3947227
Kind Code:
B2
Abstract:
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 platform and radially extending ribs, and the seal fits tightly in the groove providing an axial and 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.
Inventors:
Piji, Antonio.
Krone, James Sea.
Krone, James Sea.
Application Number:
JP54130897A
Publication Date:
July 18, 2007
Filing Date:
May 20, 1997
Export Citation:
Assignee:
Pratt & Whitney Canada, Inc.
International Classes:
F01D11/08; F01D11/00; F01D25/24; F02C7/28; F16J15/08
Domestic Patent References:
| JP7030684B2 |
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi