JP5989972B2 - 低延性タービンシュラウド及び取り付け装置 - Google Patents
低延性タービンシュラウド及び取り付け装置 Download PDFInfo
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- JP5989972B2 JP5989972B2 JP2011116726A JP2011116726A JP5989972B2 JP 5989972 B2 JP5989972 B2 JP 5989972B2 JP 2011116726 A JP2011116726 A JP 2011116726A JP 2011116726 A JP2011116726 A JP 2011116726A JP 5989972 B2 JP5989972 B2 JP 5989972B2
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- Prior art keywords
- shroud
- wall
- stationary structure
- shroud segment
- radially
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
- F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/226—Carbides
- F05D2300/2261—Carbides of silicon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (11)
- ガスタービンエンジン用のタービンシュラウド装置であって、
(a)環状シュラウドを形成するように配置された複数のアーチ形シュラウドセグメント(24、124)であって、該シュラウドセグメント(24、124)の各々は、低延性材料から成り、対向し合う前壁及び後壁(38、40、138、140)と、対向し合う内壁及び外壁(34、134、36、136)とによって画定された断面形状を有し、前記壁は、対向し合う第1の端面と第2の端面との間に延在しており、前記前壁及び後壁(38、40、138、140)の各々の少なくとも一部が、前記外壁(36、136)に対して鋭角に配向されており、前記前壁及び後壁(38、40、138、140)の半径方向内側の端部が、前記前壁及び後壁の半径方向外側の端部よりも大幅に互いに近接し合っている、アーチ形シュラウドセグメントと、
(b)環状の定置構造であって、前記シュラウドセグメントの前記前壁及び後壁(38、40、138、140)にそれぞれ直接当接することで、該定置構造に対する前記シュラウドセグメント(24、124)の軸方向移動及び半径方向内側の移動を抑止する、実質的に剛性の前方及び後方の環状支承面(70、60)を含む環状の定置構造と
を含み、
前記支承面(70、60)のうち1つは、該支承面から延在するタブ(78)を含み、該タブ(78)が前記シュラウドセグメント(24、124)に形成されたノッチ(52)に入れ込まれることで、前記シュラウドセグメント(24、124)と前記定置構造との相対的な回転を防止する、
タービンシュラウド装置。 - 前記タブ(78)が設けられた前記支承面(70、60)には、該タブ(78)が複数設けられ、前記シュラウドセグメント(24、124)には、前記複数のタブ(78)の各々に対応する複数の前記ノッチ(52)が設けられている、請求項1に記載のタービンシュラウド装置。
- 前記前壁及び後壁(38、40)の各々が、該前記前壁及び後壁の半径方向内側の端部と半径方向外側の端部との間に直線状に延在する、請求項1又は2に記載の装置。
- (a)前記前壁及び後壁(138、140)が各々、
(i)前記外壁(136)から内側に延在する外側部分(142、146)であって、前記半径方向外側部分(142、146)の半径方向内側端部どうしが、該半径方向外側部分の半径方向外側の端部どうしよりも互いに近接し合っている、外側部分(142、146)と、
(ii)前記外側部分(142、146)と前記内壁(134)との間にほぼ半径方向に延在する内側部分(144、148)とを含み、
(b)前記前方及び後方の支承面が、前記前壁及び後壁(138、140)の前記外側部分(142、146)に当接している、請求項1乃至3のいずれか1項に記載の装置。 - 前記シュラウドセグメント(24、124)が、セラミックマトリックス複合材料から成る、請求項1乃至4のいずれか1項に記載の装置。
- 前記定置構造は、
(a)前記シュラウドセグメント(24)を取り囲む環状のタービンケース(56)と、
(b)前記タービンケースから半径方向内側に延在し、前記後方の支承面(60)を画定するフランジ(58)と、
(c)前記タービンケース(56)から半径方向内側に延在し、前記前方の支承面(70)を画定する取り外し可能に取り付けられた保持器(62)と
を含む、請求項1乃至5のいずれか1項に記載の装置。 - 前記定置構造は、半径方向内側に延在する位置決めピン(76)であって、前記シュラウドセグメント(24、124)のうちの1つの前記外壁(36、136)に形成された溝又は穴(50)に嵌合することで、前記シュラウドセグメント(24、124)と前記定置構造との相対的な回転を防止する位置決めピン(76)を支持する、請求項1乃至6のいずれか1項に記載の装置。
- 前記定置構造と前記シュラウドセグメント(24、124)との間に配置された少なくとも1つのシュラウドロードばね(74)であって、前記シュラウドセグメント(24、124)を前記支承面(70、60)の方向に付勢する、少なくとも1つのシュラウドロードばね(74)を更に含む、請求項1乃至7のいずれか1項に記載の装置。
- 前記シュラウドセグメント(24、124)と前記定置構造の各々との間に板状のシュラウドロードばね(74)が配置された、請求項1乃至8のいずれか1項に記載の装置。
- 各々のシュラウドロードばね(74)は、前記定置構造によって支持された位置決めピン(76)によって保持される、請求項8に記載の装置。
- 少なくとも1つの前記シュラウドセグメント(24、124)の前記外壁(36、136)は、該外壁から延在する少なくとも1つのリブ(53)であって、前記定置構造によって支持された位置決めピンに当接することで、前記シュラウドセグメント(24、124)と前記定置構造との相対的な回転を防止する少なくとも1つのリブ(53)を含む、請求項1乃至10のいずれか1項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/790,209 | 2010-05-28 | ||
US12/790,209 US8740552B2 (en) | 2010-05-28 | 2010-05-28 | Low-ductility turbine shroud and mounting apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011247262A JP2011247262A (ja) | 2011-12-08 |
JP5989972B2 true JP5989972B2 (ja) | 2016-09-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011116726A Expired - Fee Related JP5989972B2 (ja) | 2010-05-28 | 2011-05-25 | 低延性タービンシュラウド及び取り付け装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8740552B2 (ja) |
JP (1) | JP5989972B2 (ja) |
CA (1) | CA2740538C (ja) |
DE (1) | DE102011050649A1 (ja) |
GB (1) | GB2480766B (ja) |
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US11326476B1 (en) * | 2020-10-22 | 2022-05-10 | Honeywell International Inc. | Compliant retention system for gas turbine engine |
US11674403B2 (en) * | 2021-03-29 | 2023-06-13 | General Electric Company | Annular shroud assembly |
FR3122210A1 (fr) | 2021-04-21 | 2022-10-28 | Safran Aircraft Engines | Ensemble d’anneau de turbine monté sur entretoise |
FR3123943B1 (fr) | 2021-06-14 | 2024-01-26 | Safran Aircraft Engines | Ensemble d’anneau de turbine monté sur entretoise |
FR3146706A1 (fr) | 2023-03-13 | 2024-09-20 | Safran Aircraft Engines | Ensemble d’anneau de turbine à pions axiaux améliorés |
FR3146951A1 (fr) * | 2023-03-24 | 2024-09-27 | Safran Aircraft Engines | Carter pour une turbomachine d’aeronef |
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DE3417171A1 (de) | 1984-05-09 | 1985-11-14 | Hilti Ag, Schaan | Verfahren zum setzen von duebeln und dergleichen verankerungsmittel und vorzugsweise hierfuer verwendbare duebelmasse |
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JP2004036443A (ja) * | 2002-07-02 | 2004-02-05 | Ishikawajima Harima Heavy Ind Co Ltd | ガスタービンシュラウド構造 |
JP4385660B2 (ja) * | 2003-06-20 | 2009-12-16 | 株式会社Ihi | タービンシュラウドの回り止め構造 |
US7052235B2 (en) * | 2004-06-08 | 2006-05-30 | General Electric Company | Turbine engine shroud segment, hanger and assembly |
GB0703827D0 (en) * | 2007-02-28 | 2007-04-11 | Rolls Royce Plc | Rotor seal segment |
US8393858B2 (en) * | 2009-03-13 | 2013-03-12 | Honeywell International Inc. | Turbine shroud support coupling assembly |
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2010
- 2010-05-28 US US12/790,209 patent/US8740552B2/en active Active
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2011
- 2011-05-19 CA CA2740538A patent/CA2740538C/en active Active
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- 2011-05-26 GB GB1108856.4A patent/GB2480766B/en active Active
- 2011-05-26 DE DE102011050649A patent/DE102011050649A1/de active Pending
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US20110293410A1 (en) | 2011-12-01 |
DE102011050649A1 (de) | 2012-09-20 |
GB2480766A (en) | 2011-11-30 |
GB2480766B (en) | 2016-08-24 |
GB201108856D0 (en) | 2011-07-06 |
CA2740538A1 (en) | 2011-11-28 |
CA2740538C (en) | 2018-05-15 |
JP2011247262A (ja) | 2011-12-08 |
US8740552B2 (en) | 2014-06-03 |
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