JP6917162B2 - 動翼、ロータユニット、及び、回転機械 - Google Patents

動翼、ロータユニット、及び、回転機械 Download PDF

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Publication number
JP6917162B2
JP6917162B2 JP2017037753A JP2017037753A JP6917162B2 JP 6917162 B2 JP6917162 B2 JP 6917162B2 JP 2017037753 A JP2017037753 A JP 2017037753A JP 2017037753 A JP2017037753 A JP 2017037753A JP 6917162 B2 JP6917162 B2 JP 6917162B2
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JP
Japan
Prior art keywords
outer peripheral
shroud
peripheral surface
upstream side
downstream side
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.)
Active
Application number
JP2017037753A
Other languages
English (en)
Japanese (ja)
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JP2018141455A5 (enExample
JP2018141455A (ja
Inventor
松本　和幸
和幸 松本
祥弘 桑村
祥弘 桑村
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
Original Assignee
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
Priority to JP2017037753A priority Critical patent/JP6917162B2/ja
Application filed by Mitsubishi Power Ltd filed Critical Mitsubishi Power Ltd
Priority to PCT/JP2018/007529 priority patent/WO2018159686A1/ja
Priority to CN201880013749.6A priority patent/CN110325710B/zh
Priority to US16/488,013 priority patent/US11131201B2/en
Priority to DE112018001040.6T priority patent/DE112018001040T5/de
Priority to KR1020197024617A priority patent/KR102290579B1/ko
Publication of JP2018141455A publication Critical patent/JP2018141455A/ja
Publication of JP2018141455A5 publication Critical patent/JP2018141455A5/ja
Application granted granted Critical
Publication of JP6917162B2 publication Critical patent/JP6917162B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/20—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)
JP2017037753A 2017-02-28 2017-02-28 動翼、ロータユニット、及び、回転機械 Active JP6917162B2 (ja)

Priority Applications (6)

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
CN201880013749.6A CN110325710B (zh) 2017-02-28 2018-02-28 动叶、转子单元及旋转机械
US16/488,013 US11131201B2 (en) 2017-02-28 2018-02-28 Rotor blade, rotor unit, and rotating machine
DE112018001040.6T DE112018001040T5 (de) 2017-02-28 2018-02-28 Rotorschaufel, rotoreinheit und drehmaschine
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
KR1020197024617A KR102290579B1 (ko) 2017-02-28 2018-02-28 동익, 로터 유닛 및 회전 기계

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2018141455A JP2018141455A (ja) 2018-09-13
JP2018141455A5 JP2018141455A5 (enExample) 2020-04-09
JP6917162B2 true JP6917162B2 (ja) 2021-08-11

Family

ID=63370082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017037753A Active JP6917162B2 (ja) 2017-02-28 2017-02-28 動翼、ロータユニット、及び、回転機械

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

Family Cites Families (16)

* 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
JPS60159304A (ja) * 1984-01-27 1985-08-20 Toshiba Corp 蒸気タ−ビンのデイスク冷却装置
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
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
DE102009042857A1 (de) * 2009-09-24 2011-03-31 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit Deckband-Labyrinthdichtung
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
US8360712B2 (en) * 2010-01-22 2013-01-29 General Electric Company Method and apparatus for labyrinth seal packing rings
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
JP5517910B2 (ja) * 2010-12-22 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
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

Also Published As

Publication number Publication date
KR102290579B1 (ko) 2021-08-17
DE112018001040T5 (de) 2019-12-24
US11131201B2 (en) 2021-09-28
CN110325710A (zh) 2019-10-11
WO2018159686A1 (ja) 2018-09-07
US20210131293A1 (en) 2021-05-06
CN110325710B (zh) 2022-04-08
KR20190104621A (ko) 2019-09-10
JP2018141455A (ja) 2018-09-13

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