CH589787A5 - - Google Patents

Info

Publication number
CH589787A5
CH589787A5 CH281475A CH281475A CH589787A5 CH 589787 A5 CH589787 A5 CH 589787A5 CH 281475 A CH281475 A CH 281475A CH 281475 A CH281475 A CH 281475A CH 589787 A5 CH589787 A5 CH 589787A5
Authority
CH
Switzerland
Application number
CH281475A
Other languages
German (de)
Inventor
Friedrich Ambrosch
Rudolf Schwaebel
Original Assignee
Maschf Augsburg Nuernberg Ag
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 Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag
Publication of CH589787A5 publication Critical patent/CH589787A5/de
Priority claimed from US05/957,290 external-priority patent/US4370094A/en

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)
CH281475A 1974-03-21 1975-03-06 CH589787A5 (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
CH589787A5 true CH589787A5 (no) 1977-07-15

Family

ID=27431835

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281475A CH589787A5 (no) 1974-03-21 1975-03-06

Country Status (11)

Country Link
JP (1) JPS5949401B2 (no)
AT (1) AT391918B (no)
CH (1) CH589787A5 (no)
CS (1) CS190320B2 (no)
DD (1) DD119847A5 (no)
DE (1) DE2413655C3 (no)
FR (1) FR2264964A1 (no)
GB (1) GB1505534A (no)
IN (1) IN144140B (no)
NL (1) NL176388C (no)
SE (1) SE410488B (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0943849A1 (de) 1998-03-19 1999-09-22 Asea Brown Boveri AG Berührungsfreie Dichtung für Strömungsmaschinen
EP1001138A1 (de) 1998-11-10 2000-05-17 Asea Brown Boveri AG Spitzendichtung für Turbinenlaufschaufeln
EP1001139A1 (de) 1998-11-10 2000-05-17 Asea Brown Boveri AG Spitzendichtung für Turbinenlaufschaufeln

Families Citing this family (35)

* 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
GB1560974A (en) * 1977-03-26 1980-02-13 Rolls Royce Sealing system for rotors
JPS53122002A (en) * 1977-03-31 1978-10-25 Hitachi Ltd Seal device
FR2406074A1 (fr) * 1977-10-11 1979-05-11 Snecma Dispositif de securite pour machine tournante axiale
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
US4420161A (en) * 1982-05-10 1983-12-13 General Electric Company Rotor stabilizing labyrinth seals for steam turbines
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
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
DE59710621D1 (de) * 1997-09-19 2003-09-25 Alstom Switzerland Ltd Vorrichtung zur Spaltdichtung
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
JP5517530B2 (ja) * 2009-09-03 2014-06-11 三菱重工業株式会社 タービン
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
JP5643245B2 (ja) * 2012-02-27 2014-12-17 三菱日立パワーシステムズ株式会社 ターボ機械
ITCO20120019A1 (it) * 2012-04-27 2013-10-28 Nuovo Pignone Srl Tenute a labirinto ad alto smorzamento con sagoma elicoidale e mista elicoidale-cilindrica
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
JP6827346B2 (ja) * 2017-03-13 2021-02-10 三菱重工業株式会社 軸流タービン
JP6986426B2 (ja) * 2017-11-29 2021-12-22 三菱重工業株式会社 タービン
JP6924233B2 (ja) * 2019-08-30 2021-08-25 三菱パワー株式会社 回転機械
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

Family Cites Families (6)

* 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
JPS501646B1 (no) * 1970-07-11 1975-01-20
JPS476263U (no) * 1971-02-12 1972-09-21
CH528010A (de) * 1971-02-19 1972-09-15 Bbc Brown Boveri & Cie Verfahren zum Beeinflussen des Schwingungsverhaltens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0943849A1 (de) 1998-03-19 1999-09-22 Asea Brown Boveri AG Berührungsfreie Dichtung für Strömungsmaschinen
EP1001138A1 (de) 1998-11-10 2000-05-17 Asea Brown Boveri AG Spitzendichtung für Turbinenlaufschaufeln
EP1001139A1 (de) 1998-11-10 2000-05-17 Asea Brown Boveri AG Spitzendichtung für Turbinenlaufschaufeln

Also Published As

Publication number Publication date
GB1505534A (en) 1978-03-30
NL176388B (nl) 1984-11-01
SE7503311L (sv) 1975-09-22
FR2264964A1 (fr) 1975-10-17
AT391918B (de) 1990-12-27
CS190320B2 (en) 1979-05-31
ATA215875A (de) 1990-06-15
DE2413655B2 (de) 1977-09-08
NL7501673A (nl) 1975-09-23
DE2413655A1 (de) 1975-10-02
FR2264964B1 (no) 1979-03-02
DD119847A5 (de) 1976-05-12
SE410488B (sv) 1979-10-15
NL176388C (nl) 1985-04-01
JPS50128008A (no) 1975-10-08
DE2413655C3 (de) 1978-05-03
JPS5949401B2 (ja) 1984-12-03
IN144140B (no) 1978-04-01

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Legal Events

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