EP2932047A4 - Gas turbine engine fan blade platform seal - Google Patents
Gas turbine engine fan blade platform sealInfo
- Publication number
- EP2932047A4 EP2932047A4 EP13862661.9A EP13862661A EP2932047A4 EP 2932047 A4 EP2932047 A4 EP 2932047A4 EP 13862661 A EP13862661 A EP 13862661A EP 2932047 A4 EP2932047 A4 EP 2932047A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas turbine
- turbine engine
- fan blade
- blade platform
- engine fan
- 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.)
- Withdrawn
Links
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
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and rotor
- F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- 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
- F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
-
- 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
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
- F05D2300/437—Silicon polymers
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Architecture (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/715,388 US20140169979A1 (en) | 2012-12-14 | 2012-12-14 | Gas turbine engine fan blade platform seal |
PCT/US2013/070096 WO2014092925A1 (en) | 2012-12-14 | 2013-11-14 | Gas turbine engine fan blade platform seal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2932047A1 EP2932047A1 (en) | 2015-10-21 |
EP2932047A4 true EP2932047A4 (en) | 2015-12-09 |
Family
ID=50931100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13862661.9A Withdrawn EP2932047A4 (en) | 2012-12-14 | 2013-11-14 | Gas turbine engine fan blade platform seal |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140169979A1 (en) |
EP (1) | EP2932047A4 (en) |
WO (1) | WO2014092925A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10119423B2 (en) | 2012-09-20 | 2018-11-06 | United Technologies Corporation | Gas turbine engine fan spacer platform attachments |
US20150117804A1 (en) * | 2013-10-30 | 2015-04-30 | United Technologies Corporation | Gas turbine engine bushing |
US9988920B2 (en) | 2015-04-08 | 2018-06-05 | United Technologies Corporation | Fan blade platform seal with leading edge winglet |
FR3052822B1 (en) | 2016-06-16 | 2020-03-27 | Safran Aircraft Engines | BLADE OF TURBOMACHINE EQUIPPED WITH AN ELASTOMER SEAL |
GB2554650B (en) | 2016-09-30 | 2019-02-06 | Rolls Royce Plc | Side seal for a gas turbine engine |
FR3082876B1 (en) * | 2018-06-21 | 2021-01-22 | Safran Aircraft Engines | BLOWER INCLUDING A PLATFORM AND A LOCK LOCK |
US11028714B2 (en) * | 2018-07-16 | 2021-06-08 | Raytheon Technologies Corporation | Fan platform wedge seal |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2436087A (en) * | 1944-12-04 | 1948-02-17 | Ernest H Benson | Cooling fan for aircraft engines |
US3451654A (en) * | 1967-08-25 | 1969-06-24 | Gen Motors Corp | Blade vibration damping |
GB1331209A (en) * | 1969-10-28 | 1973-09-26 | Secr Defence | Bladed rotors for fluid flow machines |
EP0277884A2 (en) * | 1987-02-05 | 1988-08-10 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Outer stator shroud of a fan jet engine fitted on the fan housing |
US6634863B1 (en) * | 2000-11-27 | 2003-10-21 | General Electric Company | Circular arc multi-bore fan disk assembly |
EP1609952A1 (en) * | 2004-06-23 | 2005-12-28 | General Electric Company | Turbine vane collar seal |
US20110037233A1 (en) * | 2009-08-14 | 2011-02-17 | Rolls-Royce Plc | Sealing assembly |
US7972113B1 (en) * | 2007-05-02 | 2011-07-05 | Florida Turbine Technologies, Inc. | Integral turbine blade and platform |
US20120244007A1 (en) * | 2011-03-22 | 2012-09-27 | Rolls-Royce Plc | Bladed rotor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045149A (en) * | 1976-02-03 | 1977-08-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Platform for a swing root turbomachinery blade |
GB9209895D0 (en) * | 1992-05-07 | 1992-06-24 | Rolls Royce Plc | Rotors for gas turbine engines |
GB9602129D0 (en) * | 1996-02-02 | 1996-04-03 | Rolls Royce Plc | Rotors for gas turbine engines |
US6161839A (en) * | 1998-02-27 | 2000-12-19 | United Technologies Corporation | Valve seal assembly |
GB9915637D0 (en) * | 1999-07-06 | 1999-09-01 | Rolls Royce Plc | A rotor seal |
US6343912B1 (en) * | 1999-12-07 | 2002-02-05 | General Electric Company | Gas turbine or jet engine stator vane frame |
US6431835B1 (en) * | 2000-10-17 | 2002-08-13 | Honeywell International, Inc. | Fan blade compliant shim |
GB0614640D0 (en) * | 2006-07-22 | 2006-08-30 | Rolls Royce Plc | An annulus filler seal |
FR2939836B1 (en) * | 2008-12-12 | 2015-05-15 | Snecma | SEAL FOR PLATFORM SEAL IN A TURBOMACHINE ROTOR |
US8382432B2 (en) * | 2010-03-08 | 2013-02-26 | General Electric Company | Cooled turbine rim seal |
-
2012
- 2012-12-14 US US13/715,388 patent/US20140169979A1/en not_active Abandoned
-
2013
- 2013-11-14 EP EP13862661.9A patent/EP2932047A4/en not_active Withdrawn
- 2013-11-14 WO PCT/US2013/070096 patent/WO2014092925A1/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2436087A (en) * | 1944-12-04 | 1948-02-17 | Ernest H Benson | Cooling fan for aircraft engines |
US3451654A (en) * | 1967-08-25 | 1969-06-24 | Gen Motors Corp | Blade vibration damping |
GB1331209A (en) * | 1969-10-28 | 1973-09-26 | Secr Defence | Bladed rotors for fluid flow machines |
EP0277884A2 (en) * | 1987-02-05 | 1988-08-10 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Outer stator shroud of a fan jet engine fitted on the fan housing |
US6634863B1 (en) * | 2000-11-27 | 2003-10-21 | General Electric Company | Circular arc multi-bore fan disk assembly |
EP1609952A1 (en) * | 2004-06-23 | 2005-12-28 | General Electric Company | Turbine vane collar seal |
US7972113B1 (en) * | 2007-05-02 | 2011-07-05 | Florida Turbine Technologies, Inc. | Integral turbine blade and platform |
US20110037233A1 (en) * | 2009-08-14 | 2011-02-17 | Rolls-Royce Plc | Sealing assembly |
US20120244007A1 (en) * | 2011-03-22 | 2012-09-27 | Rolls-Royce Plc | Bladed rotor |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014092925A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2932047A1 (en) | 2015-10-21 |
WO2014092925A1 (en) | 2014-06-19 |
US20140169979A1 (en) | 2014-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20150714 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ALARCON, ANDREW G. Inventor name: TATTON, ROYCE E. |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20151111 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 11/08 20060101AFI20151105BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNITED TECHNOLOGIES CORPORATION |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160608 |