CS190320B2 - Method of and apparatus for increasing dymanic limits of output of steam pr gas turbine or compressors - Google Patents

Method of and apparatus for increasing dymanic limits of output of steam pr gas turbine or compressors

Info

Publication number
CS190320B2
CS190320B2 CS751329A CS132975A CS190320B2 CS 190320 B2 CS190320 B2 CS 190320B2 CS 751329 A CS751329 A CS 751329A CS 132975 A CS132975 A CS 132975A CS 190320 B2 CS190320 B2 CS 190320B2
Authority
CS
Czechoslovakia
Prior art keywords
dymanic
compressors
steam
limits
increasing
Prior art date
Application number
CS751329A
Other languages
Czech (cs)
English (en)
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
Priority claimed from US05/957,290 external-priority patent/US4370094A/en
Publication of CS190320B2 publication Critical patent/CS190320B2/cs

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)
CS751329A 1974-03-21 1975-02-27 Method of and apparatus for increasing dymanic limits of output of steam pr gas turbine or compressors CS190320B2 (en)

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
CS190320B2 true CS190320B2 (en) 1979-05-31

Family

ID=27431835

Family Applications (1)

Application Number Title Priority Date Filing Date
CS751329A CS190320B2 (en) 1974-03-21 1975-02-27 Method of and apparatus for increasing dymanic limits of output of steam pr gas turbine or compressors

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)

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
EP0903468B1 (de) * 1997-09-19 2003-08-20 ALSTOM (Switzerland) Ltd Vorrichtung zur Spaltdichtung
EP0943849A1 (de) 1998-03-19 1999-09-22 Asea Brown Boveri AG Berührungsfreie Dichtung für Strömungsmaschinen
DE59808709D1 (de) 1998-11-10 2003-07-17 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
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
JP5951890B2 (ja) 2013-04-03 2016-07-13 三菱重工業株式会社 回転機械
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 (ja) * 1970-07-11 1975-01-20
JPS476263U (ja) * 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
SE410488B (sv) 1979-10-15
ATA215875A (de) 1990-06-15
FR2264964A1 (fr) 1975-10-17
DD119847A5 (de) 1976-05-12
AT391918B (de) 1990-12-27
FR2264964B1 (ja) 1979-03-02
GB1505534A (en) 1978-03-30
JPS5949401B2 (ja) 1984-12-03
DE2413655A1 (de) 1975-10-02
SE7503311L (sv) 1975-09-22
JPS50128008A (ja) 1975-10-08
NL176388C (nl) 1985-04-01
IN144140B (ja) 1978-04-01
NL7501673A (nl) 1975-09-23
CH589787A5 (ja) 1977-07-15
DE2413655C3 (de) 1978-05-03
DE2413655B2 (de) 1977-09-08
NL176388B (nl) 1984-11-01

Similar Documents

Publication Publication Date Title
CS190320B2 (en) Method of and apparatus for increasing dymanic limits of output of steam pr gas turbine or compressors
CS190330B2 (en) Apparatus for cyrrying out a method of increasing dynamic limits of output of gas or steam turbines or compressors
CA1012424A (en) Combined gas turbine and steam power plant
CA1022350A (en) Combustion method and apparatus for gas turbine engine
ZA754116B (en) Process and apparatus for the production of combustible gas
NZ179107A (en) Liquefying natural gas
CA1022757A (en) Gas turbine combustion system and method of operating the system
CA1035971A (en) Exhaust gas sensor probe and method of manufacture
JPS55134221A (en) Combustion apparatus for and method of gas turbine
IL46889A0 (en) Gas turbine construction
FR2281564A1 (fr) Procede de mesure de faibles concentrations de gaz
CS189674B2 (en) Method of and apparatus for compressing gas or steam and for lubricating the compressing machine
JPS51130715A (en) Gas turbine engine exhaust device and method of operating same
JPS5575538A (en) Method of and apparatus for checking low frequency noise generated inside gas turbine
CA964072A (en) Gas turbine combustors and method of operation
IL58599A0 (en) Method and apparatus for inspecting stator components of gas turbine engines
ZA754607B (en) A generating plant and a method of starting up same
CA1024021A (en) Steam generating system and method utilizing exhaust gas recirculation
JPS527092A (en) Method of and device for profile grinding vane of turbine or compressor
CA1022462A (en) Gas turbine plant
JPS5277910A (en) Blade equipment connecting 22shaft gas turbine compressor turbine and single stage power turbine
ZA742249B (en) Processing natural gas and products derived therefrom
ZA75653B (en) Fan-assisted cooling tower and method of operation
GB1544986A (en) Turbine and compressor apparatus
YU39175A (en) Device for magnifying oscillation-conditioned limits of dynamic power at steam or gas turbines or compressors