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Title:
SHROUD SEGMENT AND ASSEMBLY WITH SURFACE RECESSED SEAL BRIDGING ADJACENT MEMBER
Document Type and Number:
Japanese Patent JP2004204839
Kind Code:
A
Abstract:

To provide a shroud segment and a shroud assembly of a gas turbine engine formed out of a ceramic matrix composite material.

A radially outer surface 24 of the shroud segment 12 includes opposed first and second edge portion surface depressions 32, 34 spaced circumferentially. The surface depressions have a seal surface 40 shaped to receive a radially outer fluid seal member 44 in a surface depression 36 formed between the segments 12, 14 or the segment and an engine member. The depression seal surface 40 is joined with the radially outer surface 24 of the shroud segment through an arcuate transition surface 42. The surface depressions 32, 34 have a first shape, and the fluid seal member 44 disposed at the depression 32, 34 has a surface 46 of a second shape matched in shape with the first shape.


Inventors:
ALFORD MARY ELLEN
DARKINS TOBY GEORGE JR
NOE MARK EUGENE
Application Number:
JP2003357151A
Publication Date:
July 22, 2004
Filing Date:
October 17, 2003
Export Citation:
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Assignee:
GEN ELECTRIC
International Classes:
F01D5/28; F01D9/02; F01D9/04; F01D11/00; F01D11/10; F02C7/00; F02C7/18; F02C7/28; F16J15/10; (IPC1-7): F02C7/28; F01D5/28; F01D11/10; F02C7/00; F02C7/18; F16J15/10
Domestic Patent References:
JP2000145406A2000-05-26
JP2002295202A2002-10-09
Foreign References:
US20020187040A12002-12-12
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito