EP2204542A3 - Tilted turbine blade root configuration - Google Patents

Tilted turbine blade root configuration Download PDF

Info

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Withdrawn
Application number
EP09178822A
Other languages
German (de)
French (fr)
Other versions
EP2204542A2 (en
Inventor
Bradley T. Boyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP2204542A2 publication Critical patent/EP2204542A2/en
Publication of EP2204542A3 publication Critical patent/EP2204542A3/en
Withdrawn legal-status Critical Current

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

A rotor blade (120), (126) for use in a turbine engine, the rotor blade (120), (126) comprising a root (138) and, extending in a radial direction from the root (138), an airfoil (136), wherein the root (138) includes at least one root aligned surface (178) that is tilted. Tilted may comprise a non-radial orientation. The root aligned surfaces (178) may comprise the surfaces along the root (138) that are configured to align with and be relatively closely spaced from or in contact with the root aligned surfaces (178) of the root (138) of a neighboring rotor blade (120), (126). The rotor blade (120), (126) may comprise at least two root aligned surfaces (178), one of which resides on a pressure side (143) of the rotor blade (120), (126) and the other of which resides on a suction side (144) of the rotor blade (120), (126). The root aligned surfaces (178) may be tilted.
EP09178822A 2008-12-30 2009-12-11 Tilted turbine blade root configuration Withdrawn EP2204542A3 (en)

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)

* Cited by examiner, † Cited by third party
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
US10830065B2 (en) * 2015-06-02 2020-11-10 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
WO2003104616A1 (en) * 2002-06-07 2003-12-18 三菱重工業株式会社 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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
US20100166561A1 (en) 2010-07-01
CN101793168A (en) 2010-08-04
EP2204542A2 (en) 2010-07-07
KR20100080451A (en) 2010-07-08

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