DE112018001040T5 - Rotorschaufel, rotoreinheit und drehmaschine - Google Patents

Rotorschaufel, rotoreinheit und drehmaschine Download PDF

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Publication number
DE112018001040T5
DE112018001040T5 DE112018001040.6T DE112018001040T DE112018001040T5 DE 112018001040 T5 DE112018001040 T5 DE 112018001040T5 DE 112018001040 T DE112018001040 T DE 112018001040T DE 112018001040 T5 DE112018001040 T5 DE 112018001040T5
Authority
DE
Germany
Prior art keywords
cover
outer peripheral
acute angle
radially
end portion
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.)
Pending
Application number
DE112018001040.6T
Other languages
German (de)
English (en)
Inventor
Kazuyuki Matsumoto
Yoshihiro Kuwamura
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
Original Assignee
Mitsubishi Hitachi Power Systems 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 Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of DE112018001040T5 publication Critical patent/DE112018001040T5/de
Pending legal-status Critical Current

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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
    • 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
    • F01D5/14—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
    • 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)
DE112018001040.6T 2017-02-28 2018-02-28 Rotorschaufel, rotoreinheit und drehmaschine Pending DE112018001040T5 (de)

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 (1)

Publication Number Publication Date
DE112018001040T5 true DE112018001040T5 (de) 2019-12-24

Family

ID=63370082

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018001040.6T Pending DE112018001040T5 (de) 2017-02-28 2018-02-28 Rotorschaufel, rotoreinheit und drehmaschine

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517910A (en) 1978-07-24 1980-02-07 Jeol Ltd Electron detector for scanning electronic microscope
JP2017037753A (ja) 2015-08-07 2017-02-16 株式会社デンソー 電池パック

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517910B2 (enExample) 1974-11-20 1980-05-15
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517910A (en) 1978-07-24 1980-02-07 Jeol Ltd Electron detector for scanning electronic microscope
JP2017037753A (ja) 2015-08-07 2017-02-16 株式会社デンソー 電池パック

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
CN110325710A (zh) 2019-10-11
US20210131293A1 (en) 2021-05-06
CN110325710B (zh) 2022-04-08

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R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: MITSUBISHI HEAVY INDUSTRIES, LTD., JP

Free format text: FORMER OWNER: MITSUBISHI HITACHI POWER SYSTEMS, LTD., YOKOHAMA-SHI, KANAGAWA, JP

Owner name: MITSUBISHI POWER, LTD., JP

Free format text: FORMER OWNER: MITSUBISHI HITACHI POWER SYSTEMS, LTD., YOKOHAMA-SHI, KANAGAWA, JP

R082 Change of representative

Representative=s name: HENKEL & PARTNER MBB PATENTANWALTSKANZLEI, REC, DE

R081 Change of applicant/patentee

Owner name: MITSUBISHI HEAVY INDUSTRIES, LTD., JP

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

R016 Response to examination communication