EP2204542A3 - Tilted turbine blade root configuration - Google Patents
Tilted turbine blade root configuration Download PDFInfo
- Publication number
- EP2204542A3 EP2204542A3 EP09178822A EP09178822A EP2204542A3 EP 2204542 A3 EP2204542 A3 EP 2204542A3 EP 09178822 A EP09178822 A EP 09178822A EP 09178822 A EP09178822 A EP 09178822A EP 2204542 A3 EP2204542 A3 EP 2204542A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- root
- rotor blade
- tilted
- turbine blade
- blade root
- 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- Withdrawn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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
-
- 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
- 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
-
- 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
-
- 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
- F05D2240/00—Components
- F05D2240/80—Platforms for stationary or moving blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/346,301 US20100166561A1 (en) | 2008-12-30 | 2008-12-30 | Turbine blade root configurations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2204542A2 EP2204542A2 (en) | 2010-07-07 |
EP2204542A3 true EP2204542A3 (en) | 2013-04-03 |
Family
ID=42041743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09178822A Withdrawn EP2204542A3 (en) | 2008-12-30 | 2009-12-11 | Tilted turbine blade root configuration |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100166561A1 (en) |
EP (1) | EP2204542A3 (en) |
KR (1) | KR20100080451A (en) |
CN (1) | CN101793168A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8007245B2 (en) * | 2007-11-29 | 2011-08-30 | General Electric Company | Shank shape for a turbine blade and turbine incorporating the same |
FR2944050B1 (en) * | 2009-04-02 | 2014-07-11 | Turbomeca | DISCHARGED BLADE TURBINE WHEEL COMPRISING A DAMPING DEVICE |
US20120156045A1 (en) * | 2010-12-17 | 2012-06-21 | General Electric Company | Methods, systems and apparatus relating to root and platform configurations for turbine rotor blades |
US10036261B2 (en) * | 2012-04-30 | 2018-07-31 | United Technologies Corporation | Blade dovetail bottom |
US9470098B2 (en) * | 2013-03-15 | 2016-10-18 | General Electric Company | Axial compressor and method for controlling stage-to-stage leakage therein |
EP3303773B1 (en) * | 2015-06-02 | 2019-03-27 | Siemens Aktiengesellschaft | Attachment system for a turbine airfoil usable in a gas turbine engine |
FR3045709B1 (en) * | 2015-12-21 | 2020-01-17 | Safran Aircraft Engines | BLOWER DAWN |
WO2017209752A1 (en) * | 2016-06-02 | 2017-12-07 | Siemens Aktiengesellschaft | Asymmetric attachment system for a turbine blade |
WO2019046006A1 (en) * | 2017-08-28 | 2019-03-07 | Siemens Aktiengesellschaft | Advanced geometry platforms for turbine blades |
FR3107551B1 (en) * | 2020-02-20 | 2022-08-12 | Safran Aircraft Engines | turbine blade |
KR20220165474A (en) | 2021-06-08 | 2022-12-15 | 이희두 | Virtuality (VR)-based mobile commerce total service platform |
KR20220166111A (en) | 2021-06-09 | 2022-12-16 | 이희두 | Traditional market mobile commerce service platform based on virtuality (VR) |
CN114263632A (en) * | 2021-10-22 | 2022-04-01 | 中国航发沈阳发动机研究所 | Rotor component of engine fan |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1953709A1 (en) * | 1968-10-28 | 1970-04-30 | Elin Union Ag | Blading of the rotors of steam or gas turbines |
US3545882A (en) * | 1968-01-17 | 1970-12-08 | Rolls Royce | Pressure exchanger rotor |
JPS5493702A (en) * | 1977-12-28 | 1979-07-25 | Kawasaki Heavy Ind Ltd | Rotor for multistage axial-flow rotary machine |
GB2139295A (en) * | 1983-05-05 | 1984-11-07 | Tuomo Kaivola | Thermal joint e.g. for a turbine |
US5160242A (en) * | 1991-05-31 | 1992-11-03 | Westinghouse Electric Corp. | Freestanding mixed tuned steam turbine blade |
JPH04123302U (en) * | 1991-04-22 | 1992-11-09 | 三菱重工業株式会社 | rotor blade |
US5183389A (en) * | 1992-01-30 | 1993-02-02 | General Electric Company | Anti-rock blade tang |
US20060222501A1 (en) * | 2005-04-01 | 2006-10-05 | Shuhei Nogami | Steam turbine blade, steam turbine rotor, steam turbine with those blades and rotors, and power plant with the turbines |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3378230A (en) * | 1966-12-16 | 1968-04-16 | Gen Electric | Mounting of blades in turbomachine rotors |
US3490852A (en) * | 1967-12-21 | 1970-01-20 | Gen Electric | Gas turbine rotor bucket cooling and sealing arrangement |
US3986793A (en) * | 1974-10-29 | 1976-10-19 | Westinghouse Electric Corporation | Turbine rotating blade |
US4767275A (en) * | 1986-07-11 | 1988-08-30 | Westinghouse Electric Corp. | Locking pin system for turbine curved root side entry closing blades |
US5017091A (en) * | 1990-02-26 | 1991-05-21 | Westinghouse Electric Corp. | Free standing blade for use in low pressure steam turbine |
US5310318A (en) * | 1993-07-21 | 1994-05-10 | General Electric Company | Asymmetric axial dovetail and rotor disk |
FR2723397B1 (en) * | 1994-08-03 | 1996-09-13 | Snecma | TURBOMACHINE COMPRESSOR DISC WITH AN ASYMMETRIC CIRCULAR THROAT |
GB9615826D0 (en) * | 1996-07-27 | 1996-09-11 | Rolls Royce Plc | Gas turbine engine fan blade retention |
GB9814567D0 (en) * | 1998-07-07 | 1998-09-02 | Rolls Royce Plc | A rotor assembly |
JP4316168B2 (en) * | 2001-08-30 | 2009-08-19 | 株式会社東芝 | Method for selecting blade material and shape of steam turbine blade and steam turbine |
CN100338337C (en) * | 2002-06-07 | 2007-09-19 | 三菱重工业株式会社 | Turbine bucket assembly and its assembling method |
US7300253B2 (en) * | 2005-07-25 | 2007-11-27 | Siemens Aktiengesellschaft | Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or vane ring |
FR2900989B1 (en) * | 2006-05-12 | 2008-07-11 | Snecma Sa | AIRCRAFT ENGINE COMPRESSOR ASSEMBLY COMPRISING AUBES WITH FOOT HAMMER ATTACHMENT |
-
2008
- 2008-12-30 US US12/346,301 patent/US20100166561A1/en not_active Abandoned
-
2009
- 2009-12-11 EP EP09178822A patent/EP2204542A3/en not_active Withdrawn
- 2009-12-29 CN CN200910266646A patent/CN101793168A/en active Pending
- 2009-12-29 KR KR1020090133235A patent/KR20100080451A/en not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3545882A (en) * | 1968-01-17 | 1970-12-08 | Rolls Royce | Pressure exchanger rotor |
DE1953709A1 (en) * | 1968-10-28 | 1970-04-30 | Elin Union Ag | Blading of the rotors of steam or gas turbines |
JPS5493702A (en) * | 1977-12-28 | 1979-07-25 | Kawasaki Heavy Ind Ltd | Rotor for multistage axial-flow rotary machine |
GB2139295A (en) * | 1983-05-05 | 1984-11-07 | Tuomo Kaivola | Thermal joint e.g. for a turbine |
JPH04123302U (en) * | 1991-04-22 | 1992-11-09 | 三菱重工業株式会社 | rotor blade |
US5160242A (en) * | 1991-05-31 | 1992-11-03 | Westinghouse Electric Corp. | Freestanding mixed tuned steam turbine blade |
US5183389A (en) * | 1992-01-30 | 1993-02-02 | General Electric Company | Anti-rock blade tang |
US20060222501A1 (en) * | 2005-04-01 | 2006-10-05 | Shuhei Nogami | Steam turbine blade, steam turbine rotor, steam turbine with those blades and rotors, and power plant with the turbines |
Also Published As
Publication number | Publication date |
---|---|
CN101793168A (en) | 2010-08-04 |
KR20100080451A (en) | 2010-07-08 |
EP2204542A2 (en) | 2010-07-07 |
US20100166561A1 (en) | 2010-07-01 |
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Legal Events
Date | Code | Title | Description |
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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 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: AL BA RS |
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PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): 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 SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: AL BA RS |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F01D 5/30 20060101AFI20130222BHEP |
|
17P | Request for examination filed |
Effective date: 20131004 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): 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 SE SI SK SM TR |
|
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: 20140123 |