KR102284468B1 - 로터 어셈블리에 축방향으로 삽입되는 버킷을 고정하는 시스템과 그 방법 - Google Patents

로터 어셈블리에 축방향으로 삽입되는 버킷을 고정하는 시스템과 그 방법 Download PDF

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KR102284468B1
KR102284468B1 KR1020140181363A KR20140181363A KR102284468B1 KR 102284468 B1 KR102284468 B1 KR 102284468B1 KR 1020140181363 A KR1020140181363 A KR 1020140181363A KR 20140181363 A KR20140181363 A KR 20140181363A KR 102284468 B1 KR102284468 B1 KR 102284468B1
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South Korea
Prior art keywords
bucket
rotor wheel
wedge key
keyway
buckets
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KR1020140181363A
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English (en)
Korean (ko)
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KR20150070966A (ko
Inventor
로버트 에드워드 딜렌바흐
라비찬드란 팔루르 네어
더글라스 아서 루페
Original Assignee
제네럴 일렉트릭 컴퍼니
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/223—Rotor cores with windings and permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02—Details
    • H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
    • H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
    • H02K21/044—Rotor of the claw pole 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • 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
    • Y10T29/49318—Repairing or disassembling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
KR1020140181363A 2013-12-17 2014-12-16 로터 어셈블리에 축방향으로 삽입되는 버킷을 고정하는 시스템과 그 방법 Active KR102284468B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/109,526 US9624780B2 (en) 2013-12-17 2013-12-17 System and method for securing axially inserted buckets to a rotor assembly
US14/109,526 2013-12-17

Publications (2)

Publication Number Publication Date
KR20150070966A KR20150070966A (ko) 2015-06-25
KR102284468B1 true KR102284468B1 (ko) 2021-08-03

Family

ID=53192775

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140181363A Active KR102284468B1 (ko) 2013-12-17 2014-12-16 로터 어셈블리에 축방향으로 삽입되는 버킷을 고정하는 시스템과 그 방법

Country Status (6)

Country Link
US (1) US9624780B2 (enExample)
JP (1) JP6475486B2 (enExample)
KR (1) KR102284468B1 (enExample)
CN (1) CN104712374B (enExample)
CH (1) CH709040A2 (enExample)
DE (1) DE102014118014A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11092018B2 (en) * 2015-08-07 2021-08-17 Transportation Ip Holdings, Llc Underplatform damping members and methods for turbocharger assemblies
US10465537B2 (en) 2016-05-27 2019-11-05 General Electric Company Margin bucket dovetail radial support feature for axial entry buckets
KR101877677B1 (ko) * 2017-05-12 2018-07-11 두산중공업 주식회사 회전체, 이를 제조하기 위한 회전체 제조방법 및 이를 포함하는 증기 터빈
GB2573520A (en) * 2018-05-08 2019-11-13 Rolls Royce Plc A damper
US11555407B2 (en) 2020-05-19 2023-01-17 General Electric Company Turbomachine rotor assembly
CN116624231A (zh) * 2023-07-18 2023-08-22 中国航发燃气轮机有限公司 一种涡轮叶片及其设计方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767247A (en) * 1987-02-24 1988-08-30 Westinghouse Electric Corp. Apparatus and method for preventing relative blade motion in steam turbine
JP2009281365A (ja) 2008-05-26 2009-12-03 Toshiba Corp タービン動翼組立体および蒸気タービン

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482505A (en) * 1977-12-14 1979-06-30 Hitachi Ltd Steam turbine
FR2527260A1 (fr) * 1982-05-18 1983-11-25 Snecma Dispositif d'amortissement escamotable pour aubes d'une turbomachine
JPH02140403A (ja) * 1988-11-18 1990-05-30 Toshiba Corp タービン動翼の取付支持構造
US5226784A (en) * 1991-02-11 1993-07-13 General Electric Company Blade damper
US5302085A (en) * 1992-02-03 1994-04-12 General Electric Company Turbine blade damper
US5509784A (en) 1994-07-27 1996-04-23 General Electric Co. Turbine bucket and wheel assembly with integral bucket shroud
US5478207A (en) * 1994-09-19 1995-12-26 General Electric Company Stable blade vibration damper for gas turbine engine
US6030178A (en) 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
DE10022244A1 (de) * 2000-05-08 2001-11-15 Alstom Power Nv Schaufelanordnung mit Dämpfungselementen
US6416286B1 (en) 2000-12-28 2002-07-09 General Electric Company System and method for securing a radially inserted integral closure bucket to a turbine rotor wheel assembly having axially inserted buckets
CN1497131A (zh) * 2002-10-18 2004-05-19 通用电气公司 有利于防止燃气涡轮发动机的叶片损坏的方法和装置
US6851932B2 (en) * 2003-05-13 2005-02-08 General Electric Company Vibration damper assembly for the buckets of a turbine
US7270518B2 (en) 2005-05-19 2007-09-18 General Electric Company Steep angle turbine cover buckets having relief grooves
US7344359B2 (en) 2005-06-02 2008-03-18 General Electric Company Methods and systems for assembling shrouded turbine bucket and tangential entry dovetail
GB0814018D0 (en) * 2008-08-01 2008-09-10 Rolls Royce Plc Vibration damper
US8764402B2 (en) * 2011-06-09 2014-07-01 General Electric Company Turbomachine blade locking system
US8985956B2 (en) * 2011-09-19 2015-03-24 General Electric Company Compressive stress system for a gas turbine engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767247A (en) * 1987-02-24 1988-08-30 Westinghouse Electric Corp. Apparatus and method for preventing relative blade motion in steam turbine
JP2009281365A (ja) 2008-05-26 2009-12-03 Toshiba Corp タービン動翼組立体および蒸気タービン

Also Published As

Publication number Publication date
CN104712374A (zh) 2015-06-17
JP2015117698A (ja) 2015-06-25
KR20150070966A (ko) 2015-06-25
JP6475486B2 (ja) 2019-02-27
CH709040A2 (de) 2015-06-30
DE102014118014A1 (de) 2015-06-18
CN104712374B (zh) 2018-07-17
US9624780B2 (en) 2017-04-18
US20150167471A1 (en) 2015-06-18

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