JP6530918B2 - タービン - Google Patents

タービン Download PDF

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Publication number
JP6530918B2
JP6530918B2 JP2015010635A JP2015010635A JP6530918B2 JP 6530918 B2 JP6530918 B2 JP 6530918B2 JP 2015010635 A JP2015010635 A JP 2015010635A JP 2015010635 A JP2015010635 A JP 2015010635A JP 6530918 B2 JP6530918 B2 JP 6530918B2
Authority
JP
Japan
Prior art keywords
rotor
radial gap
seal
fluid
casing
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.)
Expired - Fee Related
Application number
JP2015010635A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016133113A (ja
JP2016133113A5 (enExample
Inventor
祥弘 桑村
祥弘 桑村
大山　宏治
宏治 大山
田中　良典
良典 田中
椙下　秀昭
秀昭 椙下
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 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
Priority to JP2015010635A priority Critical patent/JP6530918B2/ja
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to PCT/JP2015/085211 priority patent/WO2016117246A1/ja
Priority to CN201580073874.2A priority patent/CN107208492B/zh
Priority to US15/543,265 priority patent/US10316675B2/en
Priority to KR1020177019840A priority patent/KR101937070B1/ko
Priority to DE112015006039.1T priority patent/DE112015006039T5/de
Publication of JP2016133113A publication Critical patent/JP2016133113A/ja
Publication of JP2016133113A5 publication Critical patent/JP2016133113A5/ja
Application granted granted Critical
Publication of JP6530918B2 publication Critical patent/JP6530918B2/ja
Expired - Fee Related 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
    • 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
    • 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
    • F05D2220/31—Application in turbines in steam 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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

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)
JP2015010635A 2015-01-22 2015-01-22 タービン Expired - Fee Related JP6530918B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2015010635A JP6530918B2 (ja) 2015-01-22 2015-01-22 タービン
CN201580073874.2A CN107208492B (zh) 2015-01-22 2015-12-16 涡轮
US15/543,265 US10316675B2 (en) 2015-01-22 2015-12-16 Turbine
KR1020177019840A KR101937070B1 (ko) 2015-01-22 2015-12-16 터빈
PCT/JP2015/085211 WO2016117246A1 (ja) 2015-01-22 2015-12-16 タービン
DE112015006039.1T DE112015006039T5 (de) 2015-01-22 2015-12-16 Turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015010635A JP6530918B2 (ja) 2015-01-22 2015-01-22 タービン

Publications (3)

Publication Number Publication Date
JP2016133113A JP2016133113A (ja) 2016-07-25
JP2016133113A5 JP2016133113A5 (enExample) 2017-06-22
JP6530918B2 true JP6530918B2 (ja) 2019-06-12

Family

ID=56416806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015010635A Expired - Fee Related JP6530918B2 (ja) 2015-01-22 2015-01-22 タービン

Country Status (6)

Country Link
US (1) US10316675B2 (enExample)
JP (1) JP6530918B2 (enExample)
KR (1) KR101937070B1 (enExample)
CN (1) CN107208492B (enExample)
DE (1) DE112015006039T5 (enExample)
WO (1) WO2016117246A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10006303B2 (en) * 2016-04-15 2018-06-26 William P. Sanders Contra-flow strips, contra-flow seal segments, and methods for inhibiting leakage
DE102016211337A1 (de) * 2016-06-24 2017-12-28 MTU Aero Engines AG Verdickter radial äußerer Ringbereich eines Dichtfins
FR3055353B1 (fr) * 2016-08-25 2018-09-21 Safran Aircraft Engines Ensemble formant joint d'etancheite a labyrinthe pour une turbomachine comportant un abradable et des lechettes inclines
JP6650383B2 (ja) * 2016-10-13 2020-02-19 株式会社神戸製鋼所 ラビリンスシール
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
JP6706585B2 (ja) * 2017-02-23 2020-06-10 三菱重工業株式会社 軸流回転機械
US20190072185A1 (en) * 2017-09-07 2019-03-07 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Labyrinth seal and labyrinth seal structure
FR3071539B1 (fr) * 2017-09-26 2020-06-05 Safran Aircraft Engines Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef
FR3085180B1 (fr) * 2018-08-24 2020-11-27 Safran Aircraft Engines Ensemble aubage pour stator de turbine de turbomachine comprenant des nervures d'etancheite inclinees
CN116220837B (zh) * 2023-02-10 2025-12-02 北京星河动力装备科技有限公司 篦齿密封结构及航空发动机
CN117027968B (zh) * 2023-08-31 2024-10-08 哈尔滨汽轮机厂有限责任公司 汽轮机和汽封结构
DE102024115122A1 (de) 2024-05-29 2025-12-04 Ebm-Papst Mulfingen Gmbh & Co. Kg Berührungslose dynamische Dichtung zur Abdichtung eines Radialspalts

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134302A (ja) 1983-01-24 1984-08-02 Toshiba Corp 蒸気タ−ビンの腐蝕防止装置
JPS6123804A (ja) * 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
US5639095A (en) * 1988-01-04 1997-06-17 Twentieth Technology Low-leakage and low-instability labyrinth seal
JP2000073702A (ja) * 1998-08-31 2000-03-07 Hitachi Ltd 軸流タービン
JP2002371802A (ja) 2001-06-14 2002-12-26 Mitsubishi Heavy Ind Ltd ガスタービンにおけるシュラウド一体型動翼と分割環
JP2003343207A (ja) 2002-05-30 2003-12-03 Hitachi Ltd ガスタービン
US7445213B1 (en) * 2006-06-14 2008-11-04 Florida Turbine Technologies, Inc. Stepped labyrinth seal
US20090072487A1 (en) * 2007-09-18 2009-03-19 Honeywell International, Inc. Notched tooth labyrinth seals and methods of manufacture
US8317465B2 (en) * 2009-07-02 2012-11-27 General Electric Company Systems and apparatus relating to turbine engines and seals for turbine engines
JP2011080452A (ja) 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
JP5147885B2 (ja) * 2010-03-26 2013-02-20 株式会社日立製作所 ロータ振動防止構造、およびそれを用いた蒸気タービン
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
GB2492546A (en) 2011-07-04 2013-01-09 Alstom Technology Ltd A labyrinth seal for an axial fluid flow turbomachine
JP5518022B2 (ja) 2011-09-20 2014-06-11 三菱重工業株式会社 タービン
US8864453B2 (en) * 2012-01-20 2014-10-21 General Electric Company Near flow path seal for a turbomachine
KR101906949B1 (ko) * 2012-02-29 2018-10-11 한화에어로스페이스 주식회사 터빈 시일 조립체 및 이를 구비한 터빈 장치
JP5916458B2 (ja) * 2012-03-23 2016-05-11 三菱日立パワーシステムズ株式会社 タービン
US9200528B2 (en) 2012-09-11 2015-12-01 General Electric Company Swirl interruption seal teeth for seal assembly
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
JP6296649B2 (ja) 2014-03-04 2018-03-20 三菱日立パワーシステムズ株式会社 シール構造、及び回転機械
CN204041127U (zh) * 2014-08-05 2014-12-24 三菱日立电力系统株式会社 旋转机械的密封装置和燃气轮机
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械
JP6209200B2 (ja) * 2015-12-09 2017-10-04 三菱日立パワーシステムズ株式会社 ステップシール，シール構造，ターボ機械及びステップシールの製造方法
JP6209199B2 (ja) * 2015-12-09 2017-10-04 三菱日立パワーシステムズ株式会社 シールフィン，シール構造，ターボ機械及びシールフィンの製造方法
JP6785041B2 (ja) * 2015-12-10 2020-11-18 三菱パワー株式会社 シール構造及びタービン
JP2018035717A (ja) * 2016-08-30 2018-03-08 三菱日立パワーシステムズ株式会社 シール装置用セグメント並びにそれを備えるタービンロータ及びタービン

Also Published As

Publication number Publication date
US20170370237A1 (en) 2017-12-28
CN107208492A (zh) 2017-09-26
JP2016133113A (ja) 2016-07-25
US10316675B2 (en) 2019-06-11
CN107208492B (zh) 2019-08-06
WO2016117246A1 (ja) 2016-07-28
DE112015006039T5 (de) 2017-11-02
KR20170096013A (ko) 2017-08-23
KR101937070B1 (ko) 2019-01-09

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