Turbine disc sealing assembly

Diakunchak, Ihor S.

Title: Turbine disc sealing assembly

Patent · Tue Mar 05 00:00:00 EST 2013

OSTI ID:1083471

Diakunchak, Ihor S.

A disc seal assembly for use in a turbine engine. The disc seal assembly includes a plurality of outwardly extending sealing flange members that define a plurality of fluid pockets. The sealing flange members define a labyrinth flow path therebetween to limit leakage between a hot gas path and a disc cavity in the turbine engine.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42644

Assignee:: Siemens Energy, Inc. (Orlando, FL)

Patent Number(s):: 8,388,310

Application Number:: 12/022,302

OSTI ID:: 1083471

Country of Publication:: United States

Language:: English

References (17)

Sealing device Borgstrom, Leonard; Carlsson, Claes-Goran; Franzen, Peter https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6155574 US Patent Document 6,155,574	patent	December 2000
Turbine interstage sealing arrangement Brushwood, John Samuel; Chupp, Raymond Edward https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6220814 US Patent Document 6,220,814	patent	April 2001
Rim seal for turbine wheel Glezer, Boris; Boyd, Gary L.; Norton, Paul F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5503528 US Patent Document 5,503,528	patent	April 1996
Multi-point seal Synnott, Remy https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7172388 US Patent Document 7,172,388	patent	February 2007
Deflector for controlling entry of cooling air leakage into the gaspath of a gas turbine engine Walters, Cameron; Valentini, Valerio https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6077035 US Patent Document 6,077,035	patent	June 2000
Turbine wheel for turbomachine and the assembly method for such a wheel Lardellier, Alain M. J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7134843 US Patent Document 7,134,843	patent	November 2006
Seal usable between a transition and a turbine vane assembly in a turbine engine Zborovsky, James M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7246995 US Patent Document 7,246,995	patent	July 2007
Gas turbine shroud and platform seal system Tomita, Yasuoki; Fukuno, Hiroki; Ito, Eisaku https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5967745 US Patent Document 5,967,745	patent	October 1999
Methods and apparatus to reduce seal rubbing within gas turbine engines Habedank, Mark Steven; Wines, Daniel Edward; League, Christopher James https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6899520 US Patent Document 6,899,520	patent	May 2005
Gap control system for turbine engines Brillert, Dieter; Giddens, Wayne; Hoell, Harald https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7234918 US Patent Document 7,234,918	patent	June 2007
Air sealing for turbomachines Speak, Trevor H.; Kernon, John D.; Roberts, Derek A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4425079 US Patent Document 4,425,079	patent	January 1984
Labyrinth-Gland Packing Baumann, Karl https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/1708044 US Patent Document 1708044	patent	April 1929
Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles Wang, John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6506016 US Patent Document 6,506,016	patent	January 2003
Seal assembly for a rotary machine Paprotna, Hubertus E. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6854736 US Patent Document 6,854,736	patent	February 2005
Box rim cavity for a gas turbine engine Ebert, Todd A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7540709 US Patent Document 7,540,709	patent	June 2009
Compressor system with movable seal lands Garner, Chad https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7059829 US Patent Document 7,059,829	patent	June 2006
Turbine nozzle backflow inhibitor Correia, Victor Hugo Silva; Albrecht, Richard W.; Frederick, Robert Alan https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5358374 US Patent Document 5,358,374	patent	October 1994

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