CN110325710B - 动叶、转子单元及旋转机械 - Google Patents

动叶、转子单元及旋转机械 Download PDF

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Publication number
CN110325710B
CN110325710B CN201880013749.6A CN201880013749A CN110325710B CN 110325710 B CN110325710 B CN 110325710B CN 201880013749 A CN201880013749 A CN 201880013749A CN 110325710 B CN110325710 B CN 110325710B
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CN
China
Prior art keywords
shroud
outer peripheral
upstream
peripheral surface
downstream side
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Active
Application number
CN201880013749.6A
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English (en)
Chinese (zh)
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CN110325710A (zh
Inventor
松本和幸
桑村祥弘
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 Power Ltd
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Mitsubishi Power Ltd
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 Mitsubishi Power Ltd filed Critical Mitsubishi Power Ltd
Publication of CN110325710A publication Critical patent/CN110325710A/zh
Application granted granted Critical
Publication of CN110325710B publication Critical patent/CN110325710B/zh
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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
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • 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
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CN201880013749.6A 2017-02-28 2018-02-28 动叶、转子单元及旋转机械 Active CN110325710B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017037753A JP6917162B2 (ja) 2017-02-28 2017-02-28 動翼、ロータユニット、及び、回転機械
JP2017-037753 2017-02-28
PCT/JP2018/007529 WO2018159686A1 (ja) 2017-02-28 2018-02-28 動翼、ロータユニット、及び、回転機械

Publications (2)

Publication Number Publication Date
CN110325710A CN110325710A (zh) 2019-10-11
CN110325710B true CN110325710B (zh) 2022-04-08

Family

ID=63370082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880013749.6A Active CN110325710B (zh) 2017-02-28 2018-02-28 动叶、转子单元及旋转机械

Country Status (6)

Country Link
US (1) US11131201B2 (enExample)
JP (1) JP6917162B2 (enExample)
KR (1) KR102290579B1 (enExample)
CN (1) CN110325710B (enExample)
DE (1) DE112018001040T5 (enExample)
WO (1) WO2018159686A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7122274B2 (ja) * 2019-02-27 2022-08-19 三菱重工業株式会社 軸流タービン
JP7445495B2 (ja) * 2020-03-31 2024-03-07 川崎重工業株式会社 ラビリンスシール及びガスタービン

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159304A (ja) * 1984-01-27 1985-08-20 Toshiba Corp 蒸気タ−ビンのデイスク冷却装置
JPH10311205A (ja) * 1997-05-14 1998-11-24 Toshiba Corp 軸流タービン
JP2002228014A (ja) * 2001-02-05 2002-08-14 Mitsubishi Heavy Ind Ltd ラビリンスシール
US20110070074A1 (en) * 2009-09-24 2011-03-24 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine with a shroud and labyrinth-type sealing arrangement
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
CN102135019A (zh) * 2010-01-22 2011-07-27 通用电气公司 用于迷宫式密封的密封环的方法和装置
JP2012132397A (ja) * 2010-12-22 2012-07-12 Mitsubishi Heavy Ind Ltd タービン

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517910B2 (enExample) 1974-11-20 1980-05-15
JPS5517910A (en) 1978-07-24 1980-02-07 Jeol Ltd Electron detector for scanning electronic microscope
JPS6123804A (ja) 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
JPH0435601A (ja) 1990-05-31 1992-02-06 Kunimitsu Masuda 装身具用飾り体の製造方法
JP5558138B2 (ja) * 2010-02-25 2014-07-23 三菱重工業株式会社 タービン
JP5484990B2 (ja) * 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
JP5709447B2 (ja) * 2010-09-28 2015-04-30 三菱日立パワーシステムズ株式会社 タービン
US9856739B2 (en) * 2013-09-18 2018-01-02 Honeywell International Inc. Turbine blades with tip portions having converging cooling holes
JP6507920B2 (ja) 2015-08-07 2019-05-08 株式会社デンソー 電池パック

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60159304A (ja) * 1984-01-27 1985-08-20 Toshiba Corp 蒸気タ−ビンのデイスク冷却装置
JPH10311205A (ja) * 1997-05-14 1998-11-24 Toshiba Corp 軸流タービン
JP2002228014A (ja) * 2001-02-05 2002-08-14 Mitsubishi Heavy Ind Ltd ラビリンスシール
US20110070074A1 (en) * 2009-09-24 2011-03-24 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine with a shroud and labyrinth-type sealing arrangement
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
CN102135019A (zh) * 2010-01-22 2011-07-27 通用电气公司 用于迷宫式密封的密封环的方法和装置
JP2012132397A (ja) * 2010-12-22 2012-07-12 Mitsubishi Heavy Ind Ltd タービン

Also Published As

Publication number Publication date
JP2018141455A (ja) 2018-09-13
KR102290579B1 (ko) 2021-08-17
KR20190104621A (ko) 2019-09-10
WO2018159686A1 (ja) 2018-09-07
US11131201B2 (en) 2021-09-28
JP6917162B2 (ja) 2021-08-11
DE112018001040T5 (de) 2019-12-24
CN110325710A (zh) 2019-10-11
US20210131293A1 (en) 2021-05-06

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Address after: Kanagawa Prefecture, Japan

Applicant after: Mitsubishi Power Co., Ltd

Address before: Kanagawa Prefecture, Japan

Applicant before: MITSUBISHI HITACHI POWER SYSTEMS, Ltd.

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