Ceramic gas turbine shroud

Shi, Jun; Green, Kevin E.

Title: Ceramic gas turbine shroud

Patent · Tue Jul 22 00:00:00 EDT 2014

OSTI ID:1149909

Shi, Jun; Green, Kevin E.

An example gas turbine engine shroud includes a first annular ceramic wall having an inner side for resisting high temperature turbine engine gasses and an outer side with a plurality of radial slots. A second annular metallic wall is positioned radially outwardly of and enclosing the first annular ceramic wall and has a plurality of tabs in communication with the slot of the first annular ceramic wall. The tabs of the second annular metallic wall and slots of the first annular ceramic wall are in communication such that the first annular ceramic wall and second annular metallic wall are affixed.

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Research Organization:: Hamilton Sundstrand Corporation, Windsor Locks, CT (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-00CH11060

Assignee:: Hamilton Sundstrand Corporation (Windsor Locks, CT)

Patent Number(s):: 8,784,052

Application Number:: 12/776,673

OSTI ID:: 1149909

Resource Relation:: Patent File Date: 2010 May 10

Country of Publication:: United States

Language:: English

References (16)

Ceramic turbine structures Smale, Charles H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4008978 US Patent Document 4,008,978	patent	February 1977
Element and method for connecting ceramic and metallic parts Maier, Horst; Krauth, Axel; Pohlmann, Hans-Juergen https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4325647 US Patent Document 4,325,647	patent	April 1982
Composite ceramic/metal cylinder for gas turbine engine Hartel, Edward O.; Libertini, Zoltan L.; Manente, Jr., Joseph C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4398866 US Patent Document 4,398,866	patent	August 1983
Ceramic nozzle assembly for gas turbine engine Libertini, Zoltan L.; Jen, Hsianmin; Martinelli, James https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4643636 US Patent Document 4,643,636	patent	February 1987
Turbine ring incorporating elements of a ceramic composition divided into sectors Miraucourt, Carmen; Ritt, Remy P. C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4759687 US Patent Document 4,759,687	patent	July 1988
Ceramic-to-metal stator vane assembly with braze Chase, Don; Fang, Ho T.; Irwin, Craig W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5411368 US Patent Document 5,411,368	patent	May 1995
Integral ceramic blisk assembly Robinson, Daniel; Meacham, Walter Lee https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6250883 US Patent Document 6,250,883	patent	June 2001
Ceramic to metal joint assembly Schenk, Bjoern https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6431781 US Patent Document 6,431,781	patent	August 2002
Attachment of a ceramic shroud in a metal housing Jasklowski, Christophe; Carrier, Gilles; Thibeault, Robert A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6733233 US Patent Document 6,733,233	patent	May 2004
Gas turbine high temperature turbine blade outer air seal assembly Morris, Mark C.; Halfmann, Steve; Wilson, Craig A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6997673 US Patent Document 6,997,673	patent	February 2006
Shrink-fit stress coupling for a shaft of differing materials Shi, Jun https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7255538 US Patent Document 7,255,538	patent	August 2007
Locking device for turbine blades Negulescu, Joana; Davison, Peter https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7442011 US Patent Document 7,442,011	patent	October 2008
Inner ring with independent thermal expansion for mounting gas turbine flow path components Chehab, Abdullatif M.; Waechter, Scott T.; Light, Kevin M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7686575 US Patent Document 7,686,575	patent	March 2010
Mechanical support of a ceramic gas turbine vane ring Shi, Jun; Green, Kevin E.; Mosher, Daniel A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080112803 US Patent Application 11/598450; 20080112803	patent-application	May 2008
Stator Damper Shim Ellis, Charles; Hollis, Terry; Medrano, David https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080273964 US Patent Application 11/744245; 20080273964	patent-application	November 2008
Gas turbine engine systems and methods involving blade outer air seals McCaffrey, Michael G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090208322 US Patent Application 12/032789; 20090208322	patent-application	August 2009

Cited By (1)

Turbine shroud Sippel, Aaron D.; Freeman, Ted J.; Lamusga, Joseph P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9752592 US Patent Document 9,752,592	patent	September 2017

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