DE69931740T2 - Turbine mit Kühlung oder Heizung von Rotorbauteilen beim Starten oder Abschalten - Google Patents

Turbine mit Kühlung oder Heizung von Rotorbauteilen beim Starten oder Abschalten Download PDF

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Publication number
DE69931740T2
DE69931740T2 DE69931740T DE69931740T DE69931740T2 DE 69931740 T2 DE69931740 T2 DE 69931740T2 DE 69931740 T DE69931740 T DE 69931740T DE 69931740 T DE69931740 T DE 69931740T DE 69931740 T2 DE69931740 T2 DE 69931740T2
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DE
Germany
Prior art keywords
turbine
elements
wheel
flow
thermal medium
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 - Lifetime
Application number
DE69931740T
Other languages
German (de)
English (en)
Other versions
DE69931740D1 (de
Inventor
Mark Christopher Niskayuna Schmidt
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69931740D1 publication Critical patent/DE69931740D1/de
Application granted granted Critical
Publication of DE69931740T2 publication Critical patent/DE69931740T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/084—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
    • 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
DE69931740T 1998-12-22 1999-12-22 Turbine mit Kühlung oder Heizung von Rotorbauteilen beim Starten oder Abschalten Expired - Lifetime DE69931740T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US218228 1980-12-19
US09/218,228 US6146090A (en) 1998-12-22 1998-12-22 Cooling/heating augmentation during turbine startup/shutdown using a seal positioned by thermal response of turbine parts and consequent relative movement thereof

Publications (2)

Publication Number Publication Date
DE69931740D1 DE69931740D1 (de) 2006-07-20
DE69931740T2 true DE69931740T2 (de) 2007-05-16

Family

ID=22814260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69931740T Expired - Lifetime DE69931740T2 (de) 1998-12-22 1999-12-22 Turbine mit Kühlung oder Heizung von Rotorbauteilen beim Starten oder Abschalten

Country Status (5)

Country Link
US (1) US6146090A (enExample)
EP (1) EP1013892B1 (enExample)
JP (1) JP4467112B2 (enExample)
KR (1) KR100471958B1 (enExample)
DE (1) DE69931740T2 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3567065B2 (ja) * 1997-07-31 2004-09-15 株式会社東芝 ガスタービン
JP4527824B2 (ja) * 1998-12-22 2010-08-18 ゼネラル・エレクトリック・カンパニイ タービンロータの軸受用冷却系
EP1050665B1 (en) * 1999-05-03 2005-12-07 General Electric Company Bushing retention system for cooling tubes in a gas turbine rotor
US6379108B1 (en) * 2000-08-08 2002-04-30 General Electric Company Controlling a rabbet load and air/oil seal temperatures in a turbine
US6626637B2 (en) * 2001-08-17 2003-09-30 Alstom (Switzerland) Ltd Cooling method for turbines
KR100600338B1 (ko) 2005-03-21 2006-07-18 주식회사 포스코 증기터빈 발전기 가동중 정렬의 최적 상태 유지 장치 및 그방법
US8210801B2 (en) * 2009-01-29 2012-07-03 General Electric Company Systems and methods of reducing heat loss from a gas turbine during shutdown
US10094285B2 (en) 2011-12-08 2018-10-09 Siemens Aktiengesellschaft Gas turbine outer case active ambient cooling including air exhaust into sub-ambient cavity
US10443507B2 (en) 2016-02-12 2019-10-15 United Technologies Corporation Gas turbine engine bowed rotor avoidance system
US10539079B2 (en) 2016-02-12 2020-01-21 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters
US10125636B2 (en) 2016-02-12 2018-11-13 United Technologies Corporation Bowed rotor prevention system using waste heat
US10125691B2 (en) 2016-02-12 2018-11-13 United Technologies Corporation Bowed rotor start using a variable position starter valve
US10040577B2 (en) 2016-02-12 2018-08-07 United Technologies Corporation Modified start sequence of a gas turbine engine
US10508567B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory
US10443505B2 (en) 2016-02-12 2019-10-15 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine
US9664070B1 (en) 2016-02-12 2017-05-30 United Technologies Corporation Bowed rotor prevention system
US10436064B2 (en) 2016-02-12 2019-10-08 United Technologies Corporation Bowed rotor start response damping system
US10508601B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine
US10174678B2 (en) 2016-02-12 2019-01-08 United Technologies Corporation Bowed rotor start using direct temperature measurement
EP3211184B1 (en) 2016-02-29 2021-05-05 Raytheon Technologies Corporation Bowed rotor prevention system and associated method of bowed rotor prevention
US10787933B2 (en) * 2016-06-20 2020-09-29 Raytheon Technologies Corporation Low-power bowed rotor prevention and monitoring system
US10358936B2 (en) 2016-07-05 2019-07-23 United Technologies Corporation Bowed rotor sensor system
EP3273016B1 (en) 2016-07-21 2020-04-01 United Technologies Corporation Multi-engine coordination during gas turbine engine motoring
US10618666B2 (en) 2016-07-21 2020-04-14 United Technologies Corporation Pre-start motoring synchronization for multiple engines
US10384791B2 (en) 2016-07-21 2019-08-20 United Technologies Corporation Cross engine coordination during gas turbine engine motoring
US10221774B2 (en) 2016-07-21 2019-03-05 United Technologies Corporation Speed control during motoring of a gas turbine engine
EP3273006B1 (en) 2016-07-21 2019-07-03 United Technologies Corporation Alternating starter use during multi-engine motoring
US10787968B2 (en) 2016-09-30 2020-09-29 Raytheon Technologies Corporation Gas turbine engine motoring with starter air valve manual override
US10443543B2 (en) 2016-11-04 2019-10-15 United Technologies Corporation High compressor build clearance reduction
US10823079B2 (en) 2016-11-29 2020-11-03 Raytheon Technologies Corporation Metered orifice for motoring of a gas turbine engine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736069A (en) * 1968-10-28 1973-05-29 Gen Motors Corp Turbine stator cooling control
GB1308963A (en) * 1970-05-30 1973-03-07 Secr Defence Gap control apparatus
GB1381277A (en) * 1971-08-26 1975-01-22 Rolls Royce Sealing clearance control apparatus for gas turbine engines
US4005946A (en) * 1975-06-20 1977-02-01 United Technologies Corporation Method and apparatus for controlling stator thermal growth
US4554789A (en) * 1979-02-26 1985-11-26 General Electric Company Seal cooling apparatus
FR2467292A1 (fr) * 1979-10-09 1981-04-17 Snecma Dispositif de reglage du jeu entre les aubes mobiles et l'anneau de turbine
US4613280A (en) * 1984-09-21 1986-09-23 Avco Corporation Passively modulated cooling of turbine shroud
FR2600377B1 (fr) * 1986-06-18 1988-09-02 Snecma Dispositif de controle des debits d'air de refroidissement d'une turbine de moteur
JP2756117B2 (ja) * 1987-11-25 1998-05-25 株式会社日立製作所 ガスタービンロータ
US5156525A (en) * 1991-02-26 1992-10-20 General Electric Company Turbine assembly
US5316437A (en) * 1993-02-19 1994-05-31 General Electric Company Gas turbine engine structural frame assembly having a thermally actuated valve for modulating a flow of hot gases through the frame hub
US5593274A (en) * 1995-03-31 1997-01-14 General Electric Co. Closed or open circuit cooling of turbine rotor components

Also Published As

Publication number Publication date
EP1013892A2 (en) 2000-06-28
JP4467112B2 (ja) 2010-05-26
DE69931740D1 (de) 2006-07-20
EP1013892A3 (en) 2002-05-08
EP1013892B1 (en) 2006-06-07
US6146090A (en) 2000-11-14
KR20000048258A (ko) 2000-07-25
JP2000282801A (ja) 2000-10-10
KR100471958B1 (ko) 2005-03-07

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