Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Having wear liner – sheathing or insert
Reexamination Certificate
2007-07-24
2007-07-24
Kershteyn, Igor (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Having wear liner, sheathing or insert
C416S09700R, C416S22900R, C416S22900R, C415S200000
Reexamination Certificate
active
11169477
ABSTRACT:
A component (10) for a gas turbine engine formed of a stacked plurality of ceramic matrix composite (CMC) lamellae (12) supported by a metal support structure (20). Individual lamellae are supported directly by the support structure via cooperating interlock features (30, 32) formed on the lamella and on the support structure respectively. Mating load-transferring surfaces (34, 36) of the interlock features are disposed in a plane (44) oblique to local axes of thermal growth (38, 40) in order to accommodate differential thermal expansion there between with delta alpha zero expansion (DAZE). Reinforcing fibers (62) within the CMC material may be oriented in a direction optimized to resist forces being transferred through the interlock features. Individual lamellae may all have the same structure or different interlock feature shapes and/or locations may be used in different groups of the lamellae. Applications for this invention include an airfoil assembly (10) and a ring segment assembly (82).
REFERENCES:
patent: 3301526 (1967-01-01), Chamberlain
patent: 3378228 (1968-04-01), Davies et al.
patent: 3515499 (1970-06-01), Beer et al.
patent: 3619077 (1971-11-01), Wile et al.
patent: 3778183 (1973-12-01), Luscher et al.
patent: 3872563 (1975-03-01), Brown et al.
patent: 4042162 (1977-08-01), Meginnis et al.
patent: 4051289 (1977-09-01), Adamson
patent: 4221539 (1980-09-01), Corrigan
patent: 4260326 (1981-04-01), Scott et al.
patent: 4314794 (1982-02-01), Holden et al.
patent: 4472866 (1984-09-01), Moracz et al.
patent: 4573872 (1986-03-01), Nakata
patent: 4583274 (1986-04-01), Moracz et al.
patent: 4594053 (1986-06-01), Sohngen
patent: 5064727 (1991-11-01), Naik et al.
patent: 5074753 (1991-12-01), Covington et al.
patent: 5222297 (1993-06-01), Graff et al.
patent: 5236151 (1993-08-01), Hagle et al.
patent: 5269658 (1993-12-01), Carlson et al.
patent: 5279892 (1994-01-01), Baldwin et al.
patent: 5314309 (1994-05-01), Blakeley et al.
patent: 5439353 (1995-08-01), Cook et al.
patent: 5640767 (1997-06-01), Jackson et al.
patent: 5806796 (1998-09-01), Healey
patent: 6013592 (2000-01-01), Merrill et al.
patent: 6197424 (2001-03-01), Morrison et al.
patent: 6322322 (2001-11-01), Rhodes et al.
patent: 6451416 (2002-09-01), Holowczak et al.
patent: 6457939 (2002-10-01), Ghasripoor et al.
patent: 6464456 (2002-10-01), Darolia et al.
patent: 6514046 (2003-02-01), Morrison et al.
patent: 6689246 (2004-02-01), Hirahara et al.
patent: 6696144 (2004-02-01), Holowczak et al.
patent: 6709230 (2004-03-01), Morrison et al.
Albrecht Harry A.
Morrison Jay A.
Shteyman Yevgeniy
Thompson Daniel G.
Kershteyn Igor
Siemens Power Generation, Inc.
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