DE112019000895B4 - Turbinenschaufel, turbine und verfahren zum abstimmen der eigenfrequenz der turbinenschaufel - Google Patents

Turbinenschaufel, turbine und verfahren zum abstimmen der eigenfrequenz der turbinenschaufel Download PDF

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Publication number
DE112019000895B4
DE112019000895B4 DE112019000895.1T DE112019000895T DE112019000895B4 DE 112019000895 B4 DE112019000895 B4 DE 112019000895B4 DE 112019000895 T DE112019000895 T DE 112019000895T DE 112019000895 B4 DE112019000895 B4 DE 112019000895B4
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Germany
Prior art keywords
contour
shank
edge side
blade
pressure surface
Prior art date
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Active
Application number
DE112019000895.1T
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German (de)
English (en)
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DE112019000895T5 (de
Inventor
Yoshio Fukui
Masamitsu Kuwabara
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.)
Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Publication of DE112019000895T5 publication Critical patent/DE112019000895T5/de
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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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • F01D25/06—Antivibration arrangements for preventing blade vibration
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/10—Anti- vibration means
    • 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
    • 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
    • F05D2220/32—Application in turbines in gas turbines
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE112019000895.1T 2018-03-27 2019-03-22 Turbinenschaufel, turbine und verfahren zum abstimmen der eigenfrequenz der turbinenschaufel Active DE112019000895B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018060930A JP7064076B2 (ja) 2018-03-27 2018-03-27 タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法
JP2018-060930 2018-03-27
PCT/JP2019/012080 WO2019188780A1 (ja) 2018-03-27 2019-03-22 タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法

Publications (2)

Publication Number Publication Date
DE112019000895T5 DE112019000895T5 (de) 2020-10-29
DE112019000895B4 true DE112019000895B4 (de) 2023-06-29

Family

ID=68059043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112019000895.1T Active DE112019000895B4 (de) 2018-03-27 2019-03-22 Turbinenschaufel, turbine und verfahren zum abstimmen der eigenfrequenz der turbinenschaufel

Country Status (6)

Country Link
US (1) US11578603B2 (https=)
JP (1) JP7064076B2 (https=)
KR (1) KR102384441B1 (https=)
CN (1) CN111655972B (https=)
DE (1) DE112019000895B4 (https=)
WO (1) WO2019188780A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7360971B2 (ja) * 2020-02-19 2023-10-13 三菱重工業株式会社 タービン翼及びタービン
US11377972B1 (en) 2021-02-25 2022-07-05 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11306594B1 (en) 2021-02-25 2022-04-19 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11293286B1 (en) 2021-02-25 2022-04-05 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11255195B1 (en) 2021-02-25 2022-02-22 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11454126B1 (en) 2021-08-24 2022-09-27 Doosan Heavy Industries & Construction Co., Ltd. Blade root shank profile
US12601268B2 (en) 2023-08-25 2026-04-14 Rtx Corporation CMC vane with detuned platform

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000248901A (ja) 1999-02-26 2000-09-12 Mitsubishi Heavy Ind Ltd 中空ブレードおよびその固有振動数調整方法
US20100098547A1 (en) 2008-10-17 2010-04-22 Hagan Benjamin F Turbine blade including mistake proof feature
US20130011264A1 (en) 2011-07-01 2013-01-10 Alstom Technology Ltd Turbine blade
US20130224036A1 (en) 2012-02-27 2013-08-29 Solar Turbines Incorporated Turbine engine rotor blade groove

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JPS6397803A (ja) 1986-10-13 1988-04-28 Hitachi Ltd タ−ビン翼の固定部構造
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
US6481972B2 (en) 2000-12-22 2002-11-19 General Electric Company Turbine bucket natural frequency tuning rib
JP4781544B2 (ja) 2001-02-26 2011-09-28 住友ゴム工業株式会社 農用車輪
US6547645B2 (en) 2001-08-27 2003-04-15 General Electric Company Method and backer inserts for blocking backwall water jet strikes
US6761536B1 (en) 2003-01-31 2004-07-13 Power Systems Mfg, Llc Turbine blade platform trailing edge undercut
JP2005233141A (ja) 2004-02-23 2005-09-02 Mitsubishi Heavy Ind Ltd 動翼およびその動翼を用いたガスタービン
US7252481B2 (en) 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US7549846B2 (en) 2005-08-03 2009-06-23 United Technologies Corporation Turbine blades
US7467924B2 (en) * 2005-08-16 2008-12-23 United Technologies Corporation Turbine blade including revised platform
US8007245B2 (en) * 2007-11-29 2011-08-30 General Electric Company Shank shape for a turbine blade and turbine incorporating the same
KR101305575B1 (ko) * 2010-01-20 2013-09-09 미츠비시 쥬고교 가부시키가이샤 터빈 동익 및 터보 기계
US20120051930A1 (en) 2010-08-31 2012-03-01 General Electric Company Shrouded turbine blade with contoured platform and axial dovetail
JP5881369B2 (ja) * 2011-10-27 2016-03-09 三菱重工業株式会社 タービン動翼及びこれを備えたガスタービン
US9151167B2 (en) * 2012-02-10 2015-10-06 General Electric Company Turbine assembly
US9249669B2 (en) * 2012-04-05 2016-02-02 General Electric Company CMC blade with pressurized internal cavity for erosion control
US9151165B2 (en) * 2012-10-22 2015-10-06 United Technologies Corporation Reversible blade damper
US10677073B2 (en) * 2017-01-03 2020-06-09 Raytheon Technologies Corporation Blade platform with damper restraint
GB201704832D0 (en) * 2017-02-20 2017-05-10 Rolls Royce Plc Fan

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000248901A (ja) 1999-02-26 2000-09-12 Mitsubishi Heavy Ind Ltd 中空ブレードおよびその固有振動数調整方法
US20100098547A1 (en) 2008-10-17 2010-04-22 Hagan Benjamin F Turbine blade including mistake proof feature
US20130011264A1 (en) 2011-07-01 2013-01-10 Alstom Technology Ltd Turbine blade
US20130224036A1 (en) 2012-02-27 2013-08-29 Solar Turbines Incorporated Turbine engine rotor blade groove

Also Published As

Publication number Publication date
JP2019173612A (ja) 2019-10-10
DE112019000895T5 (de) 2020-10-29
CN111655972B (zh) 2022-09-13
KR20200100184A (ko) 2020-08-25
KR102384441B1 (ko) 2022-04-08
JP7064076B2 (ja) 2022-05-10
CN111655972A (zh) 2020-09-11
WO2019188780A1 (ja) 2019-10-03
US20210095567A1 (en) 2021-04-01
US11578603B2 (en) 2023-02-14

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Owner name: MITSUBISHI HEAVY INDUSTRIES, LTD., JP

Free format text: FORMER OWNER: MITSUBISHI POWER, LTD., YOKOHAMA, JP

R016 Response to examination communication
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R020 Patent grant now final