JPS5949401B2 - 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 - Google Patents

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

Info

Publication number
JPS5949401B2
JPS5949401B2 JP50033481A JP3348175A JPS5949401B2 JP S5949401 B2 JPS5949401 B2 JP S5949401B2 JP 50033481 A JP50033481 A JP 50033481A JP 3348175 A JP3348175 A JP 3348175A JP S5949401 B2 JPS5949401 B2 JP S5949401B2
Authority
JP
Japan
Prior art keywords
gap
vibration
circumferential component
turbine
component
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
Application number
JP50033481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50128008A (enrdf_load_stackoverflow
Inventor
アムブロツシユ フリ−ドリツヒ
シユベ−ベル ル−ドルフ
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.)
EMU AA ENU MAS FAB AUGUSUBURUGU NYURUNBERUGU AG
Original Assignee
EMU AA ENU MAS FAB AUGUSUBURUGU NYURUNBERUGU 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 EMU AA ENU MAS FAB AUGUSUBURUGU NYURUNBERUGU AG filed Critical EMU AA ENU MAS FAB AUGUSUBURUGU NYURUNBERUGU AG
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

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10Preventing 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/447Labyrinth packings
    • F16J15/4472Labyrinth 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
DE2413655A DE2413655C3 (de) 1974-03-21 1974-03-21 Einrichtung zum dynamischen Stabilisieren des Läufers einer Gas- oder Dampfturbine
DE2413655 1974-03-21
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 JPS50128008A (enrdf_load_stackoverflow) 1975-10-08
JPS5949401B2 true 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 (enrdf_load_stackoverflow)
AT (1) AT391918B (enrdf_load_stackoverflow)
CH (1) CH589787A5 (enrdf_load_stackoverflow)
CS (1) CS190320B2 (enrdf_load_stackoverflow)
DD (1) DD119847A5 (enrdf_load_stackoverflow)
DE (1) DE2413655C3 (enrdf_load_stackoverflow)
FR (1) FR2264964A1 (enrdf_load_stackoverflow)
GB (1) GB1505534A (enrdf_load_stackoverflow)
IN (1) IN144140B (enrdf_load_stackoverflow)
NL (1) NL176388C (enrdf_load_stackoverflow)
SE (1) SE410488B (enrdf_load_stackoverflow)

Families Citing this family (38)

* 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.
DE59201833D1 (de) * 1991-10-08 1995-05-11 Asea Brown Boveri 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
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
DE59810557D1 (de) 1998-11-10 2004-02-12 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
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 (enrdf_load_stackoverflow) * 1970-07-11 1975-01-20
JPS476263U (enrdf_load_stackoverflow) * 1971-02-12 1972-09-21
CH528010A (de) * 1971-02-19 1972-09-15 Bbc Brown Boveri & Cie Verfahren zum Beeinflussen des Schwingungsverhaltens

Also Published As

Publication number Publication date
CH589787A5 (enrdf_load_stackoverflow) 1977-07-15
ATA215875A (de) 1990-06-15
JPS50128008A (enrdf_load_stackoverflow) 1975-10-08
GB1505534A (en) 1978-03-30
SE7503311L (sv) 1975-09-22
IN144140B (enrdf_load_stackoverflow) 1978-04-01
DE2413655A1 (de) 1975-10-02
DE2413655C3 (de) 1978-05-03
DE2413655B2 (de) 1977-09-08
AT391918B (de) 1990-12-27
SE410488B (sv) 1979-10-15
NL7501673A (nl) 1975-09-23
DD119847A5 (de) 1976-05-12
FR2264964A1 (fr) 1975-10-17
NL176388B (nl) 1984-11-01
CS190320B2 (en) 1979-05-31
FR2264964B1 (enrdf_load_stackoverflow) 1979-03-02
NL176388C (nl) 1985-04-01

Similar Documents

Publication Publication Date Title
JPS5949401B2 (ja) 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
US4370094A (en) Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
US4273510A (en) Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
JP5147885B2 (ja) ロータ振動防止構造、およびそれを用いた蒸気タービン
EP1957800B1 (en) Impeller for a centrifugal compressor
EP1926915B1 (en) Stationary seal ring for a centrifugal compressor
US7731476B2 (en) Method and device for reducing axial thrust and radial oscillations and rotary machines using same
EP1937979B1 (en) Centrifugal compressor including a seal system
US7104758B2 (en) Rotor of a steam or gas turbine
US10584709B2 (en) Electrically heated balance piston seal
KR19990063333A (ko) 비접촉식으로 회전자와 고정자 간에 형성된 분리 갭을 밀봉하기 위한 방법 및 장치
EP0164220A2 (en) Squeeze film damper
JP2002520562A (ja) 特に回転機械用のシール装置
US6264425B1 (en) Fluid-flow machine for compressing or expanding a compressible medium
US20170314572A1 (en) Impeller shroud for a compressor
EP2634376A2 (en) Turbo-machinery sealing arrangement
US20170002825A1 (en) Balance piston with a sealing member
Colding-Jorgensen Prediction of rotor dynamic destabilizing forces in axial flow compressors
EP2093866A1 (en) Dynamoelectric machine
JP6662661B2 (ja) シール構造及びターボ機械
Kanki et al. Stability of high pressure turbine under partial admission condition
CN110332016B (zh) 一种能够增强密封性能的孔型密封结构
JPS6316938Y2 (enrdf_load_stackoverflow)
YAMAGUCHI et al. Characteristics of Radial Force Fluctuations on Runners of Francis-type Pump-turbines: Report 1: Experiments on General Characteristics of Radial Force Fluctuations and Effects of Structural Factors
Cho et al. Performance characteristics of a micro air grinder operated by a two-stages axial-type turbine