FR2515733B1 - Procede et systeme pour le controle actif des espaces libres d'une turbine a gaz - Google Patents

Procede et systeme pour le controle actif des espaces libres d'une turbine a gaz

Info

Publication number
FR2515733B1
FR2515733B1 FR8218310A FR8218310A FR2515733B1 FR 2515733 B1 FR2515733 B1 FR 2515733B1 FR 8218310 A FR8218310 A FR 8218310A FR 8218310 A FR8218310 A FR 8218310A FR 2515733 B1 FR2515733 B1 FR 2515733B1
Authority
FR
France
Prior art keywords
gas turbine
active control
free spaces
spaces
free
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
FR8218310A
Other languages
English (en)
French (fr)
Other versions
FR2515733A1 (fr
Inventor
Paul Joseph Deveau
Paul Burton Green Berg
Roger Enrico Paolillo
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.)
RTX 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 FR2515733A1 publication Critical patent/FR2515733A1/fr
Application granted granted Critical
Publication of FR2515733B1 publication Critical patent/FR2515733B1/fr
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
    • 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)
FR8218310A 1981-11-02 1982-11-02 Procede et systeme pour le controle actif des espaces libres d'une turbine a gaz Expired FR2515733B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31763381A 1981-11-02 1981-11-02

Publications (2)

Publication Number Publication Date
FR2515733A1 FR2515733A1 (fr) 1983-05-06
FR2515733B1 true FR2515733B1 (fr) 1988-04-29

Family

ID=23234561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218310A Expired FR2515733B1 (fr) 1981-11-02 1982-11-02 Procede et systeme pour le controle actif des espaces libres d'une turbine a gaz

Country Status (4)

Country Link
JP (1) JPS5882003A (ja)
DE (1) DE3239637A1 (ja)
FR (1) FR2515733B1 (ja)
GB (1) GB2108586B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576547A (en) * 1983-11-03 1986-03-18 United Technologies Corporation Active clearance control
US4648241A (en) * 1983-11-03 1987-03-10 United Technologies Corporation Active clearance control
US4645416A (en) * 1984-11-01 1987-02-24 United Technologies Corporation Valve and manifold for compressor bore heating
US4632635A (en) * 1984-12-24 1986-12-30 Allied Corporation Turbine blade clearance controller
DE3505975A1 (de) * 1985-02-21 1986-08-21 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Gasturbinenstrahltriebwerk fuer flugzeuge mit gezielter turbinenbauteilkuehlung
US4815928A (en) * 1985-05-06 1989-03-28 General Electric Company Blade cooling
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
DE3540943A1 (de) * 1985-11-19 1987-05-21 Mtu Muenchen Gmbh Gasturbinenstrahltriebwerk in mehr-wellen-zweistrom-bauweise
JPS62182444A (ja) * 1986-02-07 1987-08-10 Hitachi Ltd ガスタ−ビン冷却空気制御方法及び装置
US4815272A (en) * 1987-05-05 1989-03-28 United Technologies Corporation Turbine cooling and thermal 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
US5127793A (en) * 1990-05-31 1992-07-07 General Electric Company Turbine shroud clearance control assembly
GB9027986D0 (en) * 1990-12-22 1991-02-13 Rolls Royce Plc Gas turbine engine clearance control
EP0578639B1 (en) * 1991-04-02 1995-10-18 ROLLS-ROYCE plc Turbine casing
DE4309199A1 (de) * 1993-03-22 1994-09-29 Abb Management Ag Vorrichtung zur Befestigung von Wärmestausegmenten und Leitschaufeln in axialdurchströmten Turbinen
GB9709086D0 (en) * 1997-05-07 1997-06-25 Rolls Royce Plc Gas turbine engine cooling apparatus
FR2766231B1 (fr) * 1997-07-18 1999-08-20 Snecma Dispositif d'echauffement ou de refroidissement d'un carter circulaire
EP2518278A1 (en) 2011-04-28 2012-10-31 Siemens Aktiengesellschaft Turbine casing cooling channel with cooling fluid flowing upstream
US11248531B1 (en) 2020-12-18 2022-02-15 General Electric Company Turbomachine clearance control using a floating seal
US11519288B2 (en) 2020-12-18 2022-12-06 General Electric Company Turbomachine clearance control using brush seals having magnetically responsive filaments
US11434777B2 (en) 2020-12-18 2022-09-06 General Electric Company Turbomachine clearance control using magnetically responsive particles
US11326522B1 (en) 2020-12-29 2022-05-10 General Electric Company Magnetic turbomachine sealing arrangement
US11187091B1 (en) 2020-12-29 2021-11-30 General Electric Company Magnetic sealing arrangement for a turbomachine
US11187095B1 (en) 2020-12-29 2021-11-30 General Electric Company Magnetic aft frame side seals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1248198A (en) * 1970-02-06 1971-09-29 Rolls Royce Sealing device
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
US4019320A (en) * 1975-12-05 1977-04-26 United Technologies Corporation External gas turbine engine cooling for clearance control
JPS5322601A (en) * 1976-08-13 1978-03-02 Hitachi Ltd Automatic operation devi ce of pump
US4257222A (en) * 1977-12-21 1981-03-24 United Technologies Corporation Seal clearance control system for a gas turbine
US4242042A (en) * 1978-05-16 1980-12-30 United Technologies Corporation Temperature control of engine case for clearance control
US4230436A (en) * 1978-07-17 1980-10-28 General Electric Company Rotor/shroud clearance control system
US4230439A (en) * 1978-07-17 1980-10-28 General Electric Company Air delivery system for regulating thermal growth
DE2907749C2 (de) * 1979-02-28 1985-04-25 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur Minimierung von Konstanthaltung des bei Axialturbinen von Gasturbinentriebwerken vorhandenen Schaufelspitzenspiels

Also Published As

Publication number Publication date
GB2108586A (en) 1983-05-18
GB2108586B (en) 1985-08-07
JPS5882003A (ja) 1983-05-17
DE3239637A1 (de) 1983-05-11
FR2515733A1 (fr) 1983-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse