KR100847942B1 - 조립체 및 압축기 블레이드의 에어포일부의 전연 언로딩 방법 - Google Patents

조립체 및 압축기 블레이드의 에어포일부의 전연 언로딩 방법 Download PDF

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Publication number
KR100847942B1
KR100847942B1 KR1020030072517A KR20030072517A KR100847942B1 KR 100847942 B1 KR100847942 B1 KR 100847942B1 KR 1020030072517 A KR1020030072517 A KR 1020030072517A KR 20030072517 A KR20030072517 A KR 20030072517A KR 100847942 B1 KR100847942 B1 KR 100847942B1
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South Korea
Prior art keywords
leading edge
blade
undercut
attachment portion
spacer
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KR1020030072517A
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English (en)
Korean (ko)
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KR20040034516A (ko
Inventor
마틴니콜라스프란시스
가우트로제임스찰스
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제너럴 일렉트릭 캄파니
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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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • 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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR1020030072517A 2002-10-18 2003-10-17 조립체 및 압축기 블레이드의 에어포일부의 전연 언로딩 방법 Expired - Lifetime KR100847942B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/065,453 2002-10-18
US10/065,453 US6769877B2 (en) 2002-10-18 2002-10-18 Undercut leading edge for compressor blades and related method

Publications (2)

Publication Number Publication Date
KR20040034516A KR20040034516A (ko) 2004-04-28
KR100847942B1 true KR100847942B1 (ko) 2008-07-22

Family

ID=32041320

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030072517A Expired - Lifetime KR100847942B1 (ko) 2002-10-18 2003-10-17 조립체 및 압축기 블레이드의 에어포일부의 전연 언로딩 방법

Country Status (4)

Country Link
US (1) US6769877B2 (enExample)
EP (1) EP1411208B1 (enExample)
JP (1) JP2004138067A (enExample)
KR (1) KR100847942B1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6902376B2 (en) * 2002-12-26 2005-06-07 General Electric Company Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge
US7121803B2 (en) * 2002-12-26 2006-10-17 General Electric Company Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge
US20040213672A1 (en) * 2003-04-25 2004-10-28 Gautreau James Charles Undercut leading edge for compressor blades and related method
FR2851285B1 (fr) * 2003-02-13 2007-03-16 Snecma Moteurs Realisation de turbines pour turbomachines ayant des aubes a frequences de resonance ajustees differentes et procede d'ajustement de la frequence de resonance d'une aube de turbine
US7252481B2 (en) * 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US7156621B2 (en) * 2004-05-14 2007-01-02 Pratt & Whitney Canada Corp. Blade fixing relief mismatch
US7549846B2 (en) * 2005-08-03 2009-06-23 United Technologies Corporation Turbine blades
FR2896289B1 (fr) * 2006-01-13 2008-03-28 Snecma Sa Masselotte d'equilibrage, disque de rotor en etant equipe, rotor et moteur d'aeronef les comportant
US7594799B2 (en) * 2006-09-13 2009-09-29 General Electric Company Undercut fillet radius for blade dovetails
US20090297351A1 (en) * 2008-05-28 2009-12-03 General Electric Company Compressor rotor blade undercut
US8834123B2 (en) * 2009-12-29 2014-09-16 Rolls-Royce Corporation Turbomachinery component
FR2963383B1 (fr) * 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
US8813331B2 (en) * 2011-03-29 2014-08-26 General Electric Company Process of preparing a turbine rotor wheel, a repair wheel for a turbine rotor wheel, and a turbine rotor wheel
GB201203303D0 (en) * 2012-02-27 2012-04-11 Rolls Royce Plc Balancing of rotor
US9617860B2 (en) * 2012-12-20 2017-04-11 United Technologies Corporation Fan blades for gas turbine engines with reduced stress concentration at leading edge
EP2853686A1 (de) * 2013-09-27 2015-04-01 Siemens Aktiengesellschaft Turbinenschaufel, und zugehörige Herstellungsverfahren, Stator, Rotor, Turbine und Kraftwerksanlage
US10450872B2 (en) 2016-11-08 2019-10-22 Rolls-Royce Corporation Undercut on airfoil coversheet support member
US12018590B1 (en) 2023-04-04 2024-06-25 Ge Infrastructure Technology Llc Method for turbine blade and assembly with dovetail arrangement for enlarged rotor groove
US12110809B1 (en) 2023-04-04 2024-10-08 Ge Infrastructure Technology Llc Turbine blade and assembly with dovetail arrangement for enlarged rotor groove

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904546A (en) * 1958-03-17 1962-08-29 Rolls Royce Improvements in or relating to rotor blades of turbines and compressors
JPS4995011A (enExample) 1972-10-31 1974-09-10
US5256035A (en) 1992-06-01 1993-10-26 United Technologies Corporation Rotor blade retention and sealing construction
US5277548A (en) 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5348446A (en) 1993-04-28 1994-09-20 General Electric Company Bimetallic turbine airfoil
US5387086A (en) 1993-07-19 1995-02-07 General Electric Company Gas turbine blade with improved cooling
JPH10252413A (ja) 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービン動翼シール板
JP2001271603A (ja) 2000-03-24 2001-10-05 Mitsubishi Heavy Ind Ltd ガスタービン動翼

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Publication number Priority date Publication date Assignee Title
GB791751A (en) * 1954-01-06 1958-03-12 Bristol Aero Engines Ltd Improvements in or relating to blades for axial flow gas turbine engines, and to methods of making such blades
US2913221A (en) 1955-12-12 1959-11-17 Gen Electric Damping turbine buckets
US2994507A (en) * 1959-01-23 1961-08-01 Westinghouse Electric Corp Blade locking structure
US4221542A (en) * 1977-12-27 1980-09-09 General Electric Company Segmented blade retainer
JPS5776208A (en) 1980-10-30 1982-05-13 Toshiba Corp Turbine vane
CH660207A5 (en) 1983-06-29 1987-03-31 Bbc Brown Boveri & Cie Device for the damping of blade vibrations in axial flow turbo engines
US4682935A (en) 1983-12-12 1987-07-28 General Electric Company Bowed turbine blade
US4872810A (en) * 1988-12-14 1989-10-10 United Technologies Corporation Turbine rotor retention system
US5123813A (en) * 1991-03-01 1992-06-23 General Electric Company Apparatus for preloading an airfoil blade in a gas turbine engine
FR2716931B1 (fr) * 1994-03-03 1996-04-05 Snecma Système d'équilibrage et d'amortissement d'un dique de turbomachine.
US5536143A (en) 1995-03-31 1996-07-16 General Electric Co. Closed circuit steam cooled bucket
US5573377A (en) 1995-04-21 1996-11-12 General Electric Company Assembly of a composite blade root and a rotor
JP2000512707A (ja) 1996-06-21 2000-09-26 シーメンス アクチエンゲゼルシヤフト 溝内に装着可能な翼を有するタービン機械のロータ及びロータの翼
US5924843A (en) 1997-05-21 1999-07-20 General Electric Company Turbine blade cooling
US6033185A (en) 1998-09-28 2000-03-07 General Electric Company Stress relieved dovetail
US6095750A (en) 1998-12-21 2000-08-01 General Electric Company Turbine nozzle assembly
US6190131B1 (en) 1999-08-31 2001-02-20 General Electric Co. Non-integral balanced coverplate and coverplate centering slot for a turbine
CA2334071C (en) * 2000-02-23 2005-05-24 Mitsubishi Heavy Industries, Ltd. Gas turbine moving blade
US6419753B1 (en) 2000-04-07 2002-07-16 General Electric Company Apparatus and method for masking multiple turbine components
US6402471B1 (en) 2000-11-03 2002-06-11 General Electric Company Turbine blade for gas turbine engine and method of cooling same
US6457942B1 (en) 2000-11-27 2002-10-01 General Electric Company Fan blade retainer
US6439851B1 (en) 2000-12-21 2002-08-27 United Technologies Corporation Reduced stress rotor blade and disk assembly
US6478537B2 (en) 2001-02-16 2002-11-12 Siemens Westinghouse Power Corporation Pre-segmented squealer tip for turbine blades

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904546A (en) * 1958-03-17 1962-08-29 Rolls Royce Improvements in or relating to rotor blades of turbines and compressors
JPS4995011A (enExample) 1972-10-31 1974-09-10
US5277548A (en) 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5256035A (en) 1992-06-01 1993-10-26 United Technologies Corporation Rotor blade retention and sealing construction
US5348446A (en) 1993-04-28 1994-09-20 General Electric Company Bimetallic turbine airfoil
US5387086A (en) 1993-07-19 1995-02-07 General Electric Company Gas turbine blade with improved cooling
JPH10252413A (ja) 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービン動翼シール板
JP2001271603A (ja) 2000-03-24 2001-10-05 Mitsubishi Heavy Ind Ltd ガスタービン動翼

Also Published As

Publication number Publication date
JP2004138067A (ja) 2004-05-13
EP1411208A1 (en) 2004-04-21
US6769877B2 (en) 2004-08-03
EP1411208B1 (en) 2007-09-26
KR20040034516A (ko) 2004-04-28
US20040076521A1 (en) 2004-04-22

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