DE112017001043T5 - Dichtstruktur und Strömungsmaschine - Google Patents

Dichtstruktur und Strömungsmaschine Download PDF

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Publication number
DE112017001043T5
DE112017001043T5 DE112017001043.8T DE112017001043T DE112017001043T5 DE 112017001043 T5 DE112017001043 T5 DE 112017001043T5 DE 112017001043 T DE112017001043 T DE 112017001043T DE 112017001043 T5 DE112017001043 T5 DE 112017001043T5
Authority
DE
Germany
Prior art keywords
stationary
side recess
recess
seal
sealing
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
DE112017001043.8T
Other languages
German (de)
English (en)
Inventor
Kazuyuki Matsumoto
Kenichi Fujikawa
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 DE112017001043T5 publication Critical patent/DE112017001043T5/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
    • 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
    • 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
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • 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
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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)
DE112017001043.8T 2016-02-29 2017-02-24 Dichtstruktur und Strömungsmaschine Pending DE112017001043T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016038047A JP6712873B2 (ja) 2016-02-29 2016-02-29 シール構造及びターボ機械
JP2016-038047 2016-02-29
PCT/JP2017/007028 WO2017150365A1 (ja) 2016-02-29 2017-02-24 シール構造及びターボ機械

Publications (1)

Publication Number Publication Date
DE112017001043T5 true DE112017001043T5 (de) 2018-12-20

Family

ID=59742959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112017001043.8T Pending DE112017001043T5 (de) 2016-02-29 2017-02-24 Dichtstruktur und Strömungsmaschine

Country Status (6)

Country Link
US (1) US10669876B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP6712873B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR102110066B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN108699915B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE112017001043T5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO2017150365A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6623138B2 (ja) * 2016-10-13 2019-12-18 株式会社神戸製鋼所 ラビリンスシール
JP6986426B2 (ja) * 2017-11-29 2021-12-22 三菱重工業株式会社 タービン
JP6684842B2 (ja) 2018-03-29 2020-04-22 三菱重工業株式会社 タービン動翼及び回転機械
JP7349248B2 (ja) * 2019-03-08 2023-09-22 三菱重工業株式会社 回転機械、及びシールリング

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011208602A (ja) 2010-03-30 2011-10-20 Mitsubishi Heavy Ind Ltd タービン
JP2013076341A (ja) 2011-09-30 2013-04-25 Mitsubishi Heavy Ind Ltd 蒸気タービンのシール構造

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632598A (en) * 1995-01-17 1997-05-27 Dresser-Rand Shrouded axial flow turbo machine utilizing multiple labrinth seals
JP2006104952A (ja) 2004-09-30 2006-04-20 Toshiba Corp 流体機械の旋回流防止装置
US8434766B2 (en) * 2010-08-18 2013-05-07 General Electric Company Turbine engine seals
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
JP2012102831A (ja) 2010-11-12 2012-05-31 Hitachi Ltd ラビリンスシール装置、およびそれを用いたターボ機械
JP5518022B2 (ja) * 2011-09-20 2014-06-11 三菱重工業株式会社 タービン
JP5518032B2 (ja) 2011-12-13 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
WO2014010052A1 (ja) * 2012-07-11 2014-01-16 株式会社日立製作所 軸流流体機械
WO2014077058A1 (ja) * 2012-11-13 2014-05-22 三菱重工コンプレッサ株式会社 回転機械
CN104903547B (zh) * 2012-12-13 2016-09-21 三菱日立电力系统株式会社 旋转流体机械
JP5951890B2 (ja) * 2013-04-03 2016-07-13 三菱重工業株式会社 回転機械
JP6131177B2 (ja) 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
JP6344735B2 (ja) 2014-01-30 2018-06-20 三菱重工業株式会社 シール構造、及び回転機械
US8939707B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011208602A (ja) 2010-03-30 2011-10-20 Mitsubishi Heavy Ind Ltd タービン
JP2013076341A (ja) 2011-09-30 2013-04-25 Mitsubishi Heavy Ind Ltd 蒸気タービンのシール構造

Also Published As

Publication number Publication date
WO2017150365A1 (ja) 2017-09-08
KR20180107176A (ko) 2018-10-01
KR102110066B1 (ko) 2020-05-12
JP6712873B2 (ja) 2020-06-24
US20190048735A1 (en) 2019-02-14
US10669876B2 (en) 2020-06-02
JP2017155625A (ja) 2017-09-07
CN108699915B (zh) 2021-01-15
CN108699915A (zh) 2018-10-23

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Legal Events

Date Code Title Description
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: HOFFMANN - EITLE PATENT- UND RECHTSANWAELTE PA, DE

R016 Response to examination communication
R081 Change of applicant/patentee

Owner name: MITSUBISHI HEAVY INDUSTRIES, LTD., JP

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