GB1505534A - Turbines and compressors - Google Patents

Turbines and compressors

Info

Publication number
GB1505534A
GB1505534A GB11549/75A GB1154975A GB1505534A GB 1505534 A GB1505534 A GB 1505534A GB 11549/75 A GB11549/75 A GB 11549/75A GB 1154975 A GB1154975 A GB 1154975A GB 1505534 A GB1505534 A GB 1505534A
Authority
GB
United Kingdom
Prior art keywords
seal
rotor
vanes
march
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
Application number
GB11549/75A
Other languages
English (en)
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik 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 MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Publication of GB1505534A publication Critical patent/GB1505534A/en
Priority claimed from US05/957,290 external-priority patent/US4370094A/en
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)
GB11549/75A 1974-03-21 1975-03-20 Turbines and compressors Expired GB1505534A (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
GB1505534A true GB1505534A (en) 1978-03-30

Family

ID=27431835

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11549/75A Expired GB1505534A (en) 1974-03-21 1975-03-20 Turbines and compressors

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)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094529B1 (en) * 1982-05-10 1987-08-12 General Electric Company Rotor stabilizing labyrinth seals for steam turbines
US6109618A (en) * 1997-05-07 2000-08-29 Kalsi Engineering, Inc. Rotary seal with enhanced lubrication and contaminant flushing
GB2451568A (en) * 2007-07-31 2009-02-04 Gen Electric Seal tooth arrangement for gas turbine engine rotor blade tip shroud
ITCO20120019A1 (it) * 2012-04-27 2013-10-28 Nuovo Pignone Srl Tenute a labirinto ad alto smorzamento con sagoma elicoidale e mista elicoidale-cilindrica
US8727713B2 (en) 2010-03-26 2014-05-20 Hitachi, Ltd. Rotor oscillation preventing structure and steam turbine using the same
EP2840229A1 (de) * 2013-08-23 2015-02-25 Siemens Aktiengesellschaft Strömungsführung innerhalb einer Dampfturbinendichtung
EP2749797A4 (en) * 2011-10-21 2015-08-19 Mitsubishi Heavy Ind Ltd SEAL DEVICE
EP2982832A4 (en) * 2013-04-03 2016-12-21 Mitsubishi Heavy Ind Ltd ROTARY MACHINE
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
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
CN112796841A (zh) * 2020-12-25 2021-05-14 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
CN113606344A (zh) * 2021-07-30 2021-11-05 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

Families Citing this family (26)

* 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
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
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
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
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
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
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

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

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094529B1 (en) * 1982-05-10 1987-08-12 General Electric Company Rotor stabilizing labyrinth seals for steam turbines
US6109618A (en) * 1997-05-07 2000-08-29 Kalsi Engineering, Inc. Rotary seal with enhanced lubrication and contaminant flushing
GB2451568A (en) * 2007-07-31 2009-02-04 Gen Electric Seal tooth arrangement for gas turbine engine rotor blade tip shroud
GB2451568B (en) * 2007-07-31 2012-06-27 Gen Electric Rotor blade
US8727713B2 (en) 2010-03-26 2014-05-20 Hitachi, Ltd. Rotor oscillation preventing structure and steam turbine using the same
EP2749797A4 (en) * 2011-10-21 2015-08-19 Mitsubishi Heavy Ind Ltd SEAL DEVICE
RU2616428C2 (ru) * 2012-04-27 2017-04-14 Нуово Пиньоне СРЛ Лабиринтное уплотнение со спиральной и смешанной спирально-цилиндрической конфигурацией с высокой демпфирующей способностью
ITCO20120019A1 (it) * 2012-04-27 2013-10-28 Nuovo Pignone Srl Tenute a labirinto ad alto smorzamento con sagoma elicoidale e mista elicoidale-cilindrica
WO2013160469A1 (en) * 2012-04-27 2013-10-31 Nuovo Pignone Srl High damping labyrinth seal with helicoidal or helicoidal-cylindrical mixed pattern
US9695704B2 (en) 2012-04-27 2017-07-04 Nuovo Pignone Srl High damping labyrinth seal with helicoidal and helicoidal-cylindrical mixed pattern
CN104471293A (zh) * 2012-04-27 2015-03-25 诺沃皮尼奥内股份有限公司 具有螺旋形式或螺旋-圆筒形混合形式的高阻尼迷宫密封件
EP2982832A4 (en) * 2013-04-03 2016-12-21 Mitsubishi Heavy Ind Ltd ROTARY MACHINE
US10247025B2 (en) 2013-04-03 2019-04-02 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
CN112796841A (zh) * 2020-12-25 2021-05-14 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
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
CN113606344A (zh) * 2021-07-30 2021-11-05 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
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

Also Published As

Publication number Publication date
DE2413655A1 (de) 1975-10-02
DE2413655B2 (de) 1977-09-08
ATA215875A (de) 1990-06-15
DD119847A5 (de) 1976-05-12
FR2264964A1 (fr) 1975-10-17
CS190320B2 (en) 1979-05-31
JPS50128008A (enrdf_load_stackoverflow) 1975-10-08
AT391918B (de) 1990-12-27
NL7501673A (nl) 1975-09-23
IN144140B (enrdf_load_stackoverflow) 1978-04-01
CH589787A5 (enrdf_load_stackoverflow) 1977-07-15
JPS5949401B2 (ja) 1984-12-03
SE7503311L (sv) 1975-09-22
NL176388B (nl) 1984-11-01
NL176388C (nl) 1985-04-01
FR2264964B1 (enrdf_load_stackoverflow) 1979-03-02
DE2413655C3 (de) 1978-05-03
SE410488B (sv) 1979-10-15

Similar Documents

Publication Publication Date Title
GB1505534A (en) Turbines and compressors
US3575523A (en) Labyrinth seal for axial flow fluid machines
US4752185A (en) Non-contacting flowpath seal
GB1342663A (en) Steam turbine stage
GB731822A (en) Improvements relating to turbines or compressors for operation with gaseous fluids
GB1351029A (en) Turbo machinery blade cooling
GB1525746A (en) Gas turbine engines including labyrinth seals
GB1008526A (en) Axial flow bladed rotor, e.g. for a turbine
GB1219994A (en) Turbine for a compressible medium
GB1259963A (en) Improvements in fluid handling machines such as compressors, fans and turbines
GB1491556A (en) Rotor blades for turbomachines
GB1081458A (en) Blade assembly for a fluid flow machine such as a gas turbine engine
GB1314853A (en) Stator blading for turbomachinery
GB925968A (en) Gas turbine
KR930021928A (ko) 축류 터빈
FR2323007A1 (fr) Dispositif de refroidissement d'aube de turbine
US3756740A (en) Turbine stage
GB777955A (en) Improvements in or relating to fluid flow machines such as hydraulic, steam or gas turbines or axial-flow compressors
GB1045689A (en) Exhaust scroll for axial flow turbomachines, such as turbines and compressors
GB1491480A (en) Fixing blades for fluid flow machines
GB1256486A (enrdf_load_stackoverflow)
GB1406098A (en) Fluid flow machines
GB1305431A (enrdf_load_stackoverflow)
GB797445A (en) Improvements in or relating to rotary fluid machines, for example turbines and compressors
US3174720A (en) Seal for rotary hydraulic machine

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950319