JPS50128008A - - Google Patents

Info

Publication number
JPS50128008A
JPS50128008A JP50033481A JP3348175A JPS50128008A JP S50128008 A JPS50128008 A JP S50128008A JP 50033481 A JP50033481 A JP 50033481A JP 3348175 A JP3348175 A JP 3348175A JP S50128008 A JPS50128008 A JP S50128008A
Authority
JP
Japan
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.)
Granted
Application number
JP50033481A
Other versions
JPS5949401B2 (ja
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 filed Critical
Publication of JPS50128008A publication Critical patent/JPS50128008A/ja
Priority claimed from US05/957,290 external-priority patent/US4370094A/en
Publication of JPS5949401B2 publication Critical patent/JPS5949401B2/ja
Expired legal-status Critical Current

Links

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
    • F01D11/08—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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
JP50033481A 1974-03-21 1975-03-19 タ−ビンおよび圧縮機の動的な出力限界を高める方法および装置 Expired JPS5949401B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE2413655 1974-03-21
DE2413655A DE2413655C3 (de) 1974-03-21 1974-03-21 Einrichtung zum dynamischen Stabilisieren des Läufers einer Gas- oder Dampfturbine
US56223575A 1975-03-26 1975-03-26
US71624676A 1976-08-20 1976-08-20
US05/957,290 US4370094A (en) 1974-03-21 1978-11-02 Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors

Publications (2)

Publication Number Publication Date
JPS50128008A true JPS50128008A (ja) 1975-10-08
JPS5949401B2 JPS5949401B2 (ja) 1984-12-03

Family

ID=27431835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50033481A Expired JPS5949401B2 (ja) 1974-03-21 1975-03-19 タ−ビンおよび圧縮機の動的な出力限界を高める方法および装置

Country Status (11)

Country Link
JP (1) JPS5949401B2 (ja)
AT (1) AT391918B (ja)
CH (1) CH589787A5 (ja)
CS (1) CS190320B2 (ja)
DD (1) DD119847A5 (ja)
DE (1) DE2413655C3 (ja)
FR (1) FR2264964A1 (ja)
GB (1) GB1505534A (ja)
IN (1) IN144140B (ja)
NL (1) NL176388C (ja)
SE (1) SE410488B (ja)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311202A (en) * 1976-07-19 1978-02-01 Hitachi Ltd Steam turbine step-setting structure
JPS53122002A (en) * 1977-03-31 1978-10-25 Hitachi Ltd Seal device
JPS5665796U (ja) * 1979-10-21 1981-06-02
JPS58178262A (ja) * 1982-04-12 1983-10-19 Mitsubishi Electric Corp 電圧分圧器
JPS58165201U (ja) * 1982-04-30 1983-11-02 三菱重工業株式会社 タ−ビン翼のシ−ル構造
JPS58222902A (ja) * 1982-05-10 1983-12-24 ゼネラル・エレクトリツク・カンパニイ 蒸気タ−ビン用ロ−タ安定化ラビリンスシ−ル
JPS601306A (ja) * 1983-06-16 1985-01-07 Toshiba Corp 軸流タ−ビン
JPS6029450A (ja) * 1983-07-26 1985-02-14 Kanto Tokushu Seikou Kk 冷間工具鋼
JPS6052306U (ja) * 1983-09-05 1985-04-12 三菱重工業株式会社 タ−ボ機械のラビリンスシ−ル
JPH11148308A (ja) * 1997-09-19 1999-06-02 Asea Brown Boveri Ag 軸流タービンのためのシュラウドバンド
JP2011052645A (ja) * 2009-09-03 2011-03-17 Mitsubishi Heavy Ind Ltd タービン
JP2013174192A (ja) * 2012-02-27 2013-09-05 Hitachi Ltd ターボ機械
JP2015520318A (ja) * 2012-04-27 2015-07-16 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． らせん形およびらせん形−円筒形混合パターンを有する高減衰ラビリンスシール
JP2018150860A (ja) * 2017-03-13 2018-09-27 三菱重工業株式会社 軸流タービン
JP2019100204A (ja) * 2017-11-29 2019-06-24 三菱重工業株式会社 タービン、動翼
JP2021036136A (ja) * 2019-08-30 2021-03-04 三菱パワー株式会社 回転機械

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1560974A (en) * 1977-03-26 1980-02-13 Rolls Royce Sealing system for rotors
FR2406074A1 (fr) * 1977-10-11 1979-05-11 Snecma Dispositif de securite pour machine tournante axiale
CH669241A5 (de) * 1985-11-27 1989-02-28 Sulzer Ag Axialschub-ausgleichsvorrichtung fuer fluessigkeitspumpe.
EP0536575B1 (de) * 1991-10-08 1995-04-05 Asea Brown Boveri Ag Deckband für axialdurchströmte Turbine
FR2687429B1 (fr) * 1992-02-17 1994-04-01 Gec Alsthom Sa Procede et dispositif pour supprimer l'instabilite d'une turbine a vapeur.
DE4331779A1 (de) * 1993-09-18 1995-03-23 Abb Management Ag Verfahren und Vorrichtung zur Reduktion der Spaltstrommischverluste und der Spaltanregung von rotierenden thermischen Maschinen
US6109618A (en) * 1997-05-07 2000-08-29 Kalsi Engineering, Inc. Rotary seal with enhanced lubrication and contaminant flushing
EP0943849A1 (de) 1998-03-19 1999-09-22 Asea Brown Boveri AG Berührungsfreie Dichtung für Strömungsmaschinen
EP1001138B1 (de) 1998-11-10 2003-06-11 ALSTOM (Switzerland) Ltd Spitzendichtung für Turbinenlaufschaufeln
EP1001139B1 (de) 1998-11-10 2004-01-07 ALSTOM (Switzerland) Ltd Spitzendichtung für Turbinenlaufschaufeln
US20090097979A1 (en) * 2007-07-31 2009-04-16 Omer Duane Erdmann Rotor blade
DE102008060706A1 (de) * 2008-12-05 2010-06-10 Man Turbo Ag Düsensegment für eine Dampfturbine
DE102009042857A1 (de) * 2009-09-24 2011-03-31 Rolls-Royce Deutschland Ltd & Co Kg Gasturbine mit Deckband-Labyrinthdichtung
DE102009052314A1 (de) * 2009-11-07 2011-05-12 Mtu Aero Engines Gmbh Dichtanordnung für eine Gasturbine und eine derartige Gasturbine
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
JP5774963B2 (ja) * 2011-10-21 2015-09-09 三菱重工業株式会社 シール装置
EP2982832B1 (en) * 2013-04-03 2018-12-26 Mitsubishi Heavy Industries, Ltd. Rotating machine
EP2840229A1 (de) * 2013-08-23 2015-02-25 Siemens Aktiengesellschaft Strömungsführung innerhalb einer Dampfturbinendichtung
RU2624691C1 (ru) * 2016-05-10 2017-07-05 Акционерное общество "Научно-производственный центр газотурбостроения "Салют" (АО "НПЦ газотурбостроения "Салют") Устройство охлаждения уплотнительных гребней бандажных полок рабочих лопаток турбины
CN112796841B (zh) * 2020-12-25 2022-03-15 东方电气集团东方汽轮机有限公司 一种减少过桥汽封漏汽量的结构
CN112610287A (zh) * 2020-12-29 2021-04-06 中国神华能源股份有限公司国华电力分公司 一种高压汽轮机叶顶汽封结构
CN113606344B (zh) * 2021-07-30 2022-12-09 西安交通大学 一种基于齿间防旋板优化转子动力特性的迷宫密封

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS476263U (ja) * 1971-02-12 1972-09-21
US3746462A (en) * 1970-07-11 1973-07-17 Mitsubishi Heavy Ind Ltd Stage seals for a turbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE490276C (de) * 1927-05-31 1930-01-25 Carl Schmieske Labyrinthdichtung fuer Dampf- und Gasturbinen
DE650759C (de) * 1935-04-05 1937-09-30 Rudolf Loewenstein Dipl Ing Spaltdichtung fuer umlaufende Maschinen
US3132906A (en) * 1959-08-26 1964-05-12 Gen Electric Hydrodynamic devices
CH528010A (de) * 1971-02-19 1972-09-15 Bbc Brown Boveri & Cie Verfahren zum Beeinflussen des Schwingungsverhaltens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746462A (en) * 1970-07-11 1973-07-17 Mitsubishi Heavy Ind Ltd Stage seals for a turbine
JPS476263U (ja) * 1971-02-12 1972-09-21

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619448B2 (ja) * 1976-07-19 1981-05-07
JPS5311202A (en) * 1976-07-19 1978-02-01 Hitachi Ltd Steam turbine step-setting structure
JPS53122002A (en) * 1977-03-31 1978-10-25 Hitachi Ltd Seal device
JPS5619447B2 (ja) * 1977-03-31 1981-05-07
JPS5665796U (ja) * 1979-10-21 1981-06-02
JPS5841037Y2 (ja) * 1979-10-21 1983-09-16 三菱重工業株式会社 洗滌２段圧縮脱水装置
JPS58178262A (ja) * 1982-04-12 1983-10-19 Mitsubishi Electric Corp 電圧分圧器
JPS58165201U (ja) * 1982-04-30 1983-11-02 三菱重工業株式会社 タ−ビン翼のシ−ル構造
JPH0423086B2 (ja) * 1982-05-10 1992-04-21 Gen Electric
JPS58222902A (ja) * 1982-05-10 1983-12-24 ゼネラル・エレクトリツク・カンパニイ 蒸気タ−ビン用ロ−タ安定化ラビリンスシ−ル
JPS601306A (ja) * 1983-06-16 1985-01-07 Toshiba Corp 軸流タ−ビン
JPS6029450A (ja) * 1983-07-26 1985-02-14 Kanto Tokushu Seikou Kk 冷間工具鋼
JPS6052306U (ja) * 1983-09-05 1985-04-12 三菱重工業株式会社 タ−ボ機械のラビリンスシ−ル
JPH11148308A (ja) * 1997-09-19 1999-06-02 Asea Brown Boveri Ag 軸流タービンのためのシュラウドバンド
JP2011052645A (ja) * 2009-09-03 2011-03-17 Mitsubishi Heavy Ind Ltd タービン
JP2013174192A (ja) * 2012-02-27 2013-09-05 Hitachi Ltd ターボ機械
JP2015520318A (ja) * 2012-04-27 2015-07-16 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． らせん形およびらせん形−円筒形混合パターンを有する高減衰ラビリンスシール
JP2018150860A (ja) * 2017-03-13 2018-09-27 三菱重工業株式会社 軸流タービン
JP2019100204A (ja) * 2017-11-29 2019-06-24 三菱重工業株式会社 タービン、動翼
JP2021036136A (ja) * 2019-08-30 2021-03-04 三菱パワー株式会社 回転機械

Also Published As

Publication number Publication date
CH589787A5 (ja) 1977-07-15
GB1505534A (en) 1978-03-30
NL7501673A (nl) 1975-09-23
IN144140B (ja) 1978-04-01
DE2413655B2 (de) 1977-09-08
SE7503311L (sv) 1975-09-22
FR2264964A1 (fr) 1975-10-17
DE2413655A1 (de) 1975-10-02
NL176388B (nl) 1984-11-01
SE410488B (sv) 1979-10-15
JPS5949401B2 (ja) 1984-12-03
ATA215875A (de) 1990-06-15
AT391918B (de) 1990-12-27
NL176388C (nl) 1985-04-01
DE2413655C3 (de) 1978-05-03
FR2264964B1 (ja) 1979-03-02
CS190320B2 (en) 1979-05-31
DD119847A5 (de) 1976-05-12

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