US10385716B2 - Seal for a gas turbine engine - Google Patents
Seal for a gas turbine engine Download PDFInfo
- Publication number
- US10385716B2 US10385716B2 US14/790,076 US201514790076A US10385716B2 US 10385716 B2 US10385716 B2 US 10385716B2 US 201514790076 A US201514790076 A US 201514790076A US 10385716 B2 US10385716 B2 US 10385716B2
- Authority
- US
- United States
- Prior art keywords
- shield
- gas turbine
- seal
- turbine engine
- vane
- 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.)
- Active, expires
Links
Images
Classifications
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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
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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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D11/005—Sealing means between non relatively rotating elements
-
- 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
-
- 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
- F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/790,076 US10385716B2 (en) | 2015-07-02 | 2015-07-02 | Seal for a gas turbine engine |
EP16177836.0A EP3112606B1 (en) | 2015-07-02 | 2016-07-04 | A seal for a gas turbine engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/790,076 US10385716B2 (en) | 2015-07-02 | 2015-07-02 | Seal for a gas turbine engine |
Publications (2)
Publication Number | Publication Date |
---|---|
US20170002675A1 US20170002675A1 (en) | 2017-01-05 |
US10385716B2 true US10385716B2 (en) | 2019-08-20 |
Family
ID=56345055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/790,076 Active 2037-04-18 US10385716B2 (en) | 2015-07-02 | 2015-07-02 | Seal for a gas turbine engine |
Country Status (2)
Country | Link |
---|---|
US (1) | US10385716B2 (en) |
EP (1) | EP3112606B1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5717904B1 (en) * | 2014-08-04 | 2015-05-13 | 三菱日立パワーシステムズ株式会社 | Stator blade, gas turbine, split ring, stator blade remodeling method, and split ring remodeling method |
US10378371B2 (en) * | 2014-12-18 | 2019-08-13 | United Technologies Corporation | Anti-rotation vane |
US10533446B2 (en) | 2017-05-15 | 2020-01-14 | United Technologies Corporation | Alternative W-seal groove arrangement |
KR101937586B1 (en) * | 2017-09-12 | 2019-01-10 | 두산중공업 주식회사 | Vane of turbine, turbine and gas turbine comprising it |
US10822964B2 (en) | 2018-11-13 | 2020-11-03 | Raytheon Technologies Corporation | Blade outer air seal with non-linear response |
US10934941B2 (en) | 2018-11-19 | 2021-03-02 | Raytheon Technologies Corporation | Air seal interface with AFT engagement features and active clearance control for a gas turbine engine |
US10920618B2 (en) | 2018-11-19 | 2021-02-16 | Raytheon Technologies Corporation | Air seal interface with forward engagement features and active clearance control for a gas turbine engine |
FR3096395B1 (en) * | 2019-05-21 | 2021-04-23 | Safran Aircraft Engines | Turbine for a turbomachine, such as a turbojet or an aircraft turboprop |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4687413A (en) * | 1985-07-31 | 1987-08-18 | United Technologies Corporation | Gas turbine engine assembly |
US4820116A (en) | 1987-09-18 | 1989-04-11 | United Technologies Corporation | Turbine cooling for gas turbine engine |
US5158430A (en) | 1990-09-12 | 1992-10-27 | United Technologies Corporation | Segmented stator vane seal |
US5224822A (en) * | 1991-05-13 | 1993-07-06 | General Electric Company | Integral turbine nozzle support and discourager seal |
US5429478A (en) | 1994-03-31 | 1995-07-04 | United Technologies Corporation | Airfoil having a seal and an integral heat shield |
US6076835A (en) | 1997-05-21 | 2000-06-20 | Allison Advanced Development Company | Interstage van seal apparatus |
US6273683B1 (en) | 1999-02-05 | 2001-08-14 | Siemens Westinghouse Power Corporation | Turbine blade platform seal |
US7121790B2 (en) * | 2001-12-11 | 2006-10-17 | Alstom Technology Ltd. | Gas turbine arrangement |
US7500824B2 (en) | 2006-08-22 | 2009-03-10 | General Electric Company | Angel wing abradable seal and sealing method |
US20100281879A1 (en) * | 2007-12-27 | 2010-11-11 | General Electric Company | Multi-source gas turbine cooling |
US20110058933A1 (en) | 2008-02-28 | 2011-03-10 | Mtu Aero Engines Gmbh | Device and method for redirecting a leakage current |
US20120107122A1 (en) * | 2010-10-29 | 2012-05-03 | General Electric Company | Resilient mounting apparatus for low-ductility turbine shroud |
US20120128465A1 (en) | 2010-11-19 | 2012-05-24 | General Electric Company | Self-aligning flow splitter for steam turbine |
US20120207603A1 (en) | 2009-06-16 | 2012-08-16 | General Electric Company | Trapped spring balance weight and rotor assembly |
US8534995B2 (en) | 2009-03-05 | 2013-09-17 | United Technologies Corporation | Turbine engine sealing arrangement |
US8696320B2 (en) | 2009-03-12 | 2014-04-15 | General Electric Company | Gas turbine having seal assembly with coverplate and seal |
WO2015089431A1 (en) | 2013-12-12 | 2015-06-18 | United Technologies Corporation | Blade outer air seal with secondary air sealing |
-
2015
- 2015-07-02 US US14/790,076 patent/US10385716B2/en active Active
-
2016
- 2016-07-04 EP EP16177836.0A patent/EP3112606B1/en active Active
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4687413A (en) * | 1985-07-31 | 1987-08-18 | United Technologies Corporation | Gas turbine engine assembly |
US4820116A (en) | 1987-09-18 | 1989-04-11 | United Technologies Corporation | Turbine cooling for gas turbine engine |
US5158430A (en) | 1990-09-12 | 1992-10-27 | United Technologies Corporation | Segmented stator vane seal |
US5224822A (en) * | 1991-05-13 | 1993-07-06 | General Electric Company | Integral turbine nozzle support and discourager seal |
US5429478A (en) | 1994-03-31 | 1995-07-04 | United Technologies Corporation | Airfoil having a seal and an integral heat shield |
US6076835A (en) | 1997-05-21 | 2000-06-20 | Allison Advanced Development Company | Interstage van seal apparatus |
US6273683B1 (en) | 1999-02-05 | 2001-08-14 | Siemens Westinghouse Power Corporation | Turbine blade platform seal |
US7121790B2 (en) * | 2001-12-11 | 2006-10-17 | Alstom Technology Ltd. | Gas turbine arrangement |
US7500824B2 (en) | 2006-08-22 | 2009-03-10 | General Electric Company | Angel wing abradable seal and sealing method |
US20100281879A1 (en) * | 2007-12-27 | 2010-11-11 | General Electric Company | Multi-source gas turbine cooling |
US20110058933A1 (en) | 2008-02-28 | 2011-03-10 | Mtu Aero Engines Gmbh | Device and method for redirecting a leakage current |
US8534995B2 (en) | 2009-03-05 | 2013-09-17 | United Technologies Corporation | Turbine engine sealing arrangement |
US8696320B2 (en) | 2009-03-12 | 2014-04-15 | General Electric Company | Gas turbine having seal assembly with coverplate and seal |
US20120207603A1 (en) | 2009-06-16 | 2012-08-16 | General Electric Company | Trapped spring balance weight and rotor assembly |
US20120107122A1 (en) * | 2010-10-29 | 2012-05-03 | General Electric Company | Resilient mounting apparatus for low-ductility turbine shroud |
US20120128465A1 (en) | 2010-11-19 | 2012-05-24 | General Electric Company | Self-aligning flow splitter for steam turbine |
WO2015089431A1 (en) | 2013-12-12 | 2015-06-18 | United Technologies Corporation | Blade outer air seal with secondary air sealing |
Non-Patent Citations (1)
Title |
---|
Extended European Search Report for European Application No. 16177836.0 dated Nov. 9, 2016. |
Also Published As
Publication number | Publication date |
---|---|
EP3112606A1 (en) | 2017-01-04 |
US20170002675A1 (en) | 2017-01-05 |
EP3112606B1 (en) | 2019-04-10 |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: UNITED TECHNOLOGIES CORPORATION, CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LUTJEN, PAUL M.;MOORE, CHRISTOPHER WILLIAM;GRIFFIN, DAVID RICHARD;REEL/FRAME:035968/0784 Effective date: 20150629 |
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Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
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STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
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AS | Assignment |
Owner name: RAYTHEON TECHNOLOGIES CORPORATION, MASSACHUSETTS Free format text: CHANGE OF NAME;ASSIGNOR:UNITED TECHNOLOGIES CORPORATION;REEL/FRAME:054062/0001 Effective date: 20200403 |
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Owner name: RAYTHEON TECHNOLOGIES CORPORATION, CONNECTICUT Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE AND REMOVE PATENT APPLICATION NUMBER 11886281 AND ADD PATENT APPLICATION NUMBER 14846874. TO CORRECT THE RECEIVING PARTY ADDRESS PREVIOUSLY RECORDED AT REEL: 054062 FRAME: 0001. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF ADDRESS;ASSIGNOR:UNITED TECHNOLOGIES CORPORATION;REEL/FRAME:055659/0001 Effective date: 20200403 |
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Owner name: RTX CORPORATION, CONNECTICUT Free format text: CHANGE OF NAME;ASSIGNOR:RAYTHEON TECHNOLOGIES CORPORATION;REEL/FRAME:064714/0001 Effective date: 20230714 |