GB2010979B - Seal clearance control system for a gas turbine engine - Google Patents

Seal clearance control system for a gas turbine engine

Info

Publication number
GB2010979B
GB2010979B GB7849011A GB7849011A GB2010979B GB 2010979 B GB2010979 B GB 2010979B GB 7849011 A GB7849011 A GB 7849011A GB 7849011 A GB7849011 A GB 7849011A GB 2010979 B GB2010979 B GB 2010979B
Authority
GB
United Kingdom
Prior art keywords
control system
gas turbine
turbine engine
clearance control
seal clearance
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
GB7849011A
Other languages
English (en)
Other versions
GB2010979A (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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of GB2010979A publication Critical patent/GB2010979A/en
Application granted granted Critical
Publication of GB2010979B publication Critical patent/GB2010979B/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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • 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)
  • Gasket Seals (AREA)
GB7849011A 1977-12-21 1978-12-19 Seal clearance control system for a gas turbine engine Expired GB2010979B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/862,748 US4213296A (en) 1977-12-21 1977-12-21 Seal clearance control system for a gas turbine

Publications (2)

Publication Number Publication Date
GB2010979A GB2010979A (en) 1979-07-04
GB2010979B true GB2010979B (en) 1982-03-17

Family

ID=25339234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7849011A Expired GB2010979B (en) 1977-12-21 1978-12-19 Seal clearance control system for a gas turbine engine

Country Status (5)

Country Link
US (1) US4213296A (US20110009641A1-20110113-C00185.png)
JP (1) JPS54101011A (US20110009641A1-20110113-C00185.png)
DE (1) DE2855157A1 (US20110009641A1-20110113-C00185.png)
FR (1) FR2412697B1 (US20110009641A1-20110113-C00185.png)
GB (1) GB2010979B (US20110009641A1-20110113-C00185.png)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314792A (en) * 1978-12-20 1982-02-09 United Technologies Corporation Turbine seal and vane damper
US4355952A (en) * 1979-06-29 1982-10-26 Westinghouse Electric Corp. Combustion turbine vane assembly
US4329114A (en) * 1979-07-25 1982-05-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Active clearance control system for a turbomachine
US4304093A (en) * 1979-08-31 1981-12-08 General Electric Company Variable clearance control for a gas turbine engine
US4363599A (en) * 1979-10-31 1982-12-14 General Electric Company Clearance control
US4338061A (en) * 1980-06-26 1982-07-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Control means for a gas turbine engine
IT1137783B (it) * 1981-08-03 1986-09-10 Nuovo Pignone Spa Scabiatore di calore integrato con la cassa statorica di una turbina a gas
US4513567A (en) * 1981-11-02 1985-04-30 United Technologies Corporation Gas turbine engine active clearance control
US4525998A (en) * 1982-08-02 1985-07-02 United Technologies Corporation Clearance control for gas turbine engine
US4512712A (en) * 1983-08-01 1985-04-23 United Technologies Corporation Turbine stator assembly
US4576547A (en) * 1983-11-03 1986-03-18 United Technologies Corporation Active clearance control
FR2570764B1 (fr) * 1984-09-27 1986-11-28 Snecma Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
JPH0643811B2 (ja) * 1985-07-29 1994-06-08 株式会社日立製作所 ガスタービンのホットパーツ冷却方法
FR2614073B1 (fr) * 1987-04-15 1992-02-14 Snecma Dispositif d'ajustement en temps reel du jeu radial entre un rotor et un stator de turbomachine
US4856272A (en) * 1988-05-02 1989-08-15 United Technologies Corporation Method for maintaining blade tip clearance
FR2635562B1 (fr) * 1988-08-18 1993-12-24 Snecma Anneau de stator de turbine associe a un support de liaison au carter de turbine
GB2226365B (en) * 1988-12-22 1993-03-10 Rolls Royce Plc Turbomachine clearance control
US5005352A (en) * 1989-06-23 1991-04-09 United Technologies Corporation Clearance control method for gas turbine engine
US5076050A (en) * 1989-06-23 1991-12-31 United Technologies Corporation Thermal clearance control method for gas turbine engine
GB2236147B (en) * 1989-08-24 1993-05-12 Rolls Royce Plc Gas turbine engine with turbine tip clearance control device and method of operation
US5281085A (en) * 1990-12-21 1994-01-25 General Electric Company Clearance control system for separately expanding or contracting individual portions of an annular shroud
US5152666A (en) * 1991-05-03 1992-10-06 United Technologies Corporation Stator assembly for a rotary machine
US5160241A (en) * 1991-09-09 1992-11-03 General Electric Company Multi-port air channeling assembly
FR2690482B1 (fr) * 1992-04-23 1994-06-03 Snecma Circuit de ventilation des disques de compresseurs et de turbines.
US5667358A (en) * 1995-11-30 1997-09-16 Westinghouse Electric Corporation Method for reducing steady state rotor blade tip clearance in a land-based gas turbine to improve efficiency
GB9709086D0 (en) * 1997-05-07 1997-06-25 Rolls Royce Plc Gas turbine engine cooling apparatus
DE19839592A1 (de) * 1998-08-31 2000-03-02 Asea Brown Boveri Strömungsmaschine mit gekühlter Rotorwelle
JP4301692B2 (ja) * 2000-03-31 2009-07-22 三菱重工業株式会社 ガスタービン
DE10209295B4 (de) * 2002-03-01 2010-12-09 Alstom Technology Ltd. Spaltdichtung bei einer Gasturbine
US7165937B2 (en) * 2004-12-06 2007-01-23 General Electric Company Methods and apparatus for maintaining rotor assembly tip clearances
GB0609312D0 (en) * 2006-05-11 2006-06-21 Rolls Royce Plc Clearance Control Apparatus
US8128348B2 (en) * 2007-09-26 2012-03-06 United Technologies Corporation Segmented cooling air cavity for turbine component
JP2010216321A (ja) * 2009-03-16 2010-09-30 Hitachi Ltd 蒸気タービンの動翼及びそれを用いた蒸気タービン
GB0910070D0 (en) * 2009-06-12 2009-07-22 Rolls Royce Plc System and method for adjusting rotor-stator clearance
FR2949808B1 (fr) * 2009-09-08 2011-09-09 Snecma Pilotage des jeux en sommet d'aubes dans une turbomachine
US8668431B2 (en) * 2010-03-29 2014-03-11 United Technologies Corporation Seal clearance control on non-cowled gas turbine engines
US8926269B2 (en) * 2011-09-06 2015-01-06 General Electric Company Stepped, conical honeycomb seal carrier
US8967951B2 (en) 2012-01-10 2015-03-03 General Electric Company Turbine assembly and method for supporting turbine components
US9574455B2 (en) 2012-07-16 2017-02-21 United Technologies Corporation Blade outer air seal with cooling features
US9850818B2 (en) * 2015-06-29 2017-12-26 General Electric Company Power generation system exhaust cooling
US10731500B2 (en) 2017-01-13 2020-08-04 Raytheon Technologies Corporation Passive tip clearance control with variable temperature flow
US10711629B2 (en) * 2017-09-20 2020-07-14 Generl Electric Company Method of clearance control for an interdigitated turbine engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391904A (en) * 1966-11-02 1968-07-09 United Aircraft Corp Optimum response tip seal
BE756582A (fr) * 1969-10-02 1971-03-01 Gen Electric Ecran circulaire et support d'ecran avec dispositif de reglage de la temperature pour turbomachine
GB1248198A (en) * 1970-02-06 1971-09-29 Rolls Royce Sealing device
US3825365A (en) * 1973-02-05 1974-07-23 Avco Corp Cooled turbine rotor cylinder
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
US3966354A (en) * 1974-12-19 1976-06-29 General Electric Company Thermal actuated valve for clearance control
US4005946A (en) * 1975-06-20 1977-02-01 United Technologies Corporation Method and apparatus for controlling stator thermal growth
GB1484288A (en) * 1975-12-03 1977-09-01 Rolls Royce Gas turbine engines
US4019320A (en) * 1975-12-05 1977-04-26 United Technologies Corporation External gas turbine engine cooling for clearance control

Also Published As

Publication number Publication date
GB2010979A (en) 1979-07-04
FR2412697A1 (fr) 1979-07-20
DE2855157A1 (de) 1979-06-28
FR2412697B1 (fr) 1985-10-11
US4213296A (en) 1980-07-22
JPS54101011A (en) 1979-08-09
JPS6157441B2 (US20110009641A1-20110113-C00185.png) 1986-12-06
DE2855157C2 (US20110009641A1-20110113-C00185.png) 1987-04-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee