EP2573322A3 - Fan blade - Google Patents
Fan blade Download PDFInfo
- Publication number
- EP2573322A3 EP2573322A3 EP20120185422 EP12185422A EP2573322A3 EP 2573322 A3 EP2573322 A3 EP 2573322A3 EP 20120185422 EP20120185422 EP 20120185422 EP 12185422 A EP12185422 A EP 12185422A EP 2573322 A3 EP2573322 A3 EP 2573322A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan blade
- ribs
- main body
- dovetail
- channels
- 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.)
- Granted
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/13—Two-dimensional trapezoidal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/241,756 US20130078103A1 (en) | 2011-09-23 | 2011-09-23 | Hollow fan blade rib geometry |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2573322A2 EP2573322A2 (en) | 2013-03-27 |
EP2573322A3 true EP2573322A3 (en) | 2015-05-20 |
EP2573322B1 EP2573322B1 (en) | 2020-04-29 |
Family
ID=47008323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12185422.8A Active EP2573322B1 (en) | 2011-09-23 | 2012-09-21 | Fan blade |
Country Status (2)
Country | Link |
---|---|
US (1) | US20130078103A1 (en) |
EP (1) | EP2573322B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015122947A2 (en) | 2013-12-06 | 2015-08-20 | United Technologies Corporation | Aluminum alloy airfoil with designed crystallographic texture |
US11867084B1 (en) | 2022-12-20 | 2024-01-09 | Rtx Corporation | Hollow airfoil construction using cover subassembly |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0731874A1 (en) * | 1994-02-22 | 1996-09-18 | United Technologies Corporation | Hollow fan blade dovetail |
EP0924380A2 (en) * | 1997-12-22 | 1999-06-23 | General Electric Company | Striated turbomachine blade |
EP0926312A2 (en) * | 1997-12-24 | 1999-06-30 | General Electric Company | Damped turbomachine blade |
US6033186A (en) * | 1999-04-16 | 2000-03-07 | General Electric Company | Frequency tuned hybrid blade |
EP1152123A2 (en) * | 2000-05-05 | 2001-11-07 | General Electric Company | Hybrid blade with submerged ribs |
EP1439281A2 (en) * | 2003-01-18 | 2004-07-21 | Rolls-Royce Deutschland Ltd & Co KG | Gas turbine engine blade |
EP2014386A1 (en) * | 2007-07-13 | 2009-01-14 | Rolls-Royce plc | A component with a damping filler |
EP2239083A1 (en) * | 2009-03-31 | 2010-10-13 | United Technologies Corporation | Internally supported airfoil and method for internally supporting a hollow airfoil during manufacturing. |
EP2500263A2 (en) * | 2011-03-17 | 2012-09-19 | United Technologies Corporation | Improved retention for bonded hollow fan blade cover |
-
2011
- 2011-09-23 US US13/241,756 patent/US20130078103A1/en not_active Abandoned
-
2012
- 2012-09-21 EP EP12185422.8A patent/EP2573322B1/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0731874A1 (en) * | 1994-02-22 | 1996-09-18 | United Technologies Corporation | Hollow fan blade dovetail |
EP0924380A2 (en) * | 1997-12-22 | 1999-06-23 | General Electric Company | Striated turbomachine blade |
EP0926312A2 (en) * | 1997-12-24 | 1999-06-30 | General Electric Company | Damped turbomachine blade |
US6033186A (en) * | 1999-04-16 | 2000-03-07 | General Electric Company | Frequency tuned hybrid blade |
EP1152123A2 (en) * | 2000-05-05 | 2001-11-07 | General Electric Company | Hybrid blade with submerged ribs |
EP1439281A2 (en) * | 2003-01-18 | 2004-07-21 | Rolls-Royce Deutschland Ltd & Co KG | Gas turbine engine blade |
EP2014386A1 (en) * | 2007-07-13 | 2009-01-14 | Rolls-Royce plc | A component with a damping filler |
EP2239083A1 (en) * | 2009-03-31 | 2010-10-13 | United Technologies Corporation | Internally supported airfoil and method for internally supporting a hollow airfoil during manufacturing. |
EP2500263A2 (en) * | 2011-03-17 | 2012-09-19 | United Technologies Corporation | Improved retention for bonded hollow fan blade cover |
Also Published As
Publication number | Publication date |
---|---|
EP2573322A2 (en) | 2013-03-27 |
US20130078103A1 (en) | 2013-03-28 |
EP2573322B1 (en) | 2020-04-29 |
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