FR2360750A1 - Procede pour reduire le jeu fonctionnel entre un rotor de turbine et la frette qui l'entoure - Google Patents

Procede pour reduire le jeu fonctionnel entre un rotor de turbine et la frette qui l'entoure

Info

Publication number
FR2360750A1
FR2360750A1 FR7712717A FR7712717A FR2360750A1 FR 2360750 A1 FR2360750 A1 FR 2360750A1 FR 7712717 A FR7712717 A FR 7712717A FR 7712717 A FR7712717 A FR 7712717A FR 2360750 A1 FR2360750 A1 FR 2360750A1
Authority
FR
France
Prior art keywords
freight
surrounding
reducing
turbine rotor
functional 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.)
Granted
Application number
FR7712717A
Other languages
English (en)
French (fr)
Other versions
FR2360750B1 (enExample
Inventor
Martin Carl Hemsworth
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 FR2360750A1 publication Critical patent/FR2360750A1/fr
Application granted granted Critical
Publication of FR2360750B1 publication Critical patent/FR2360750B1/fr
Granted 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7712717A 1976-08-02 1977-04-27 Procede pour reduire le jeu fonctionnel entre un rotor de turbine et la frette qui l'entoure Granted FR2360750A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71090076A 1976-08-02 1976-08-02

Publications (2)

Publication Number Publication Date
FR2360750A1 true FR2360750A1 (fr) 1978-03-03
FR2360750B1 FR2360750B1 (enExample) 1982-08-13

Family

ID=24856000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712717A Granted FR2360750A1 (fr) 1976-08-02 1977-04-27 Procede pour reduire le jeu fonctionnel entre un rotor de turbine et la frette qui l'entoure

Country Status (6)

Country Link
JP (1) JPS5317813A (enExample)
BE (1) BE854122A (enExample)
DE (1) DE2718610A1 (enExample)
FR (1) FR2360750A1 (enExample)
GB (1) GB1581855A (enExample)
IT (1) IT1076442B (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431608A1 (fr) * 1978-07-17 1980-02-15 Gen Electric Dispositif perfectionne d'alimentation en air de refroidissement d'un support de virole
FR2431609A1 (fr) * 1978-07-17 1980-02-15 Gen Electric Systeme d'alimentation en air de refroidissement pour moteur a turbine a gaz
FR2485633A1 (enExample) * 1980-06-26 1981-12-31 Gen Electric
FR2601074A1 (fr) * 1986-07-03 1988-01-08 Snecma Turbomachine munie d'un dispositif de commande du debit d'air de ventilation preleve en vue du controle des jeux entre rotor et stator.
US4849895A (en) * 1987-04-15 1989-07-18 Societe Nationale D'etude Et De Construction De Moteurs D'aviation (Snecma) System for adjusting radial clearance between rotor and stator elements
WO1992011444A1 (en) * 1990-12-22 1992-07-09 Rolls-Royce Plc Gas turbine engine clearance control

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090333B (en) * 1980-12-18 1984-04-26 Rolls Royce Gas turbine engine shroud/blade tip control
GB2104966B (en) * 1981-06-26 1984-08-01 United Technologies Corp Closed loop control for tip clearance of a gas turbine engine
DE3540943A1 (de) * 1985-11-19 1987-05-21 Mtu Muenchen Gmbh Gasturbinenstrahltriebwerk in mehr-wellen-zweistrom-bauweise
US4747750A (en) * 1986-01-17 1988-05-31 United Technologies Corporation Transition duct seal
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
US5090193A (en) * 1989-06-23 1992-02-25 United Technologies Corporation Active clearance control with cruise mode
GB2236147B (en) * 1989-08-24 1993-05-12 Rolls Royce Plc Gas turbine engine with turbine tip clearance control device and method of operation
FR2652858B1 (fr) * 1989-10-11 1993-05-07 Snecma Stator de turbomachine associe a des moyens de deformation.
US6925814B2 (en) 2003-04-30 2005-08-09 Pratt & Whitney Canada Corp. Hybrid turbine tip clearance control system
JP2008180149A (ja) * 2007-01-24 2008-08-07 Mitsubishi Heavy Ind Ltd ガスタービンの翼構造及びガスタービン
FR2971291B1 (fr) * 2011-02-08 2013-02-22 Snecma Unite de commande et procede de pilotage de jeu en sommet d'aubes
US12392289B2 (en) 2017-05-22 2025-08-19 Rtx Corporation Active bleed flow modulation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2216443A1 (enExample) * 1973-02-05 1974-08-30 Avco Corp
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
FR2295239A1 (fr) * 1974-12-19 1976-07-16 Gen Electric Turbine a gaz a vanne thermosensible pour le reglage du jeu entre le rotor et le stator
US4005946A (en) * 1975-06-20 1977-02-01 United Technologies Corporation Method and apparatus for controlling stator thermal growth
US4019320A (en) * 1975-12-05 1977-04-26 United Technologies Corporation External gas turbine engine cooling for clearance control
FR2333953A1 (fr) * 1975-12-05 1977-07-01 United Technologies Corp Dispositif de reglage de jeu pour un moteur a turbine a gaz
GB1484288A (en) * 1975-12-03 1977-09-01 Rolls Royce Gas turbine engines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2216443A1 (enExample) * 1973-02-05 1974-08-30 Avco Corp
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
FR2295239A1 (fr) * 1974-12-19 1976-07-16 Gen Electric Turbine a gaz a vanne thermosensible pour le reglage du jeu entre le rotor et le stator
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
FR2333953A1 (fr) * 1975-12-05 1977-07-01 United Technologies Corp Dispositif de reglage de jeu pour un moteur a turbine a gaz

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431608A1 (fr) * 1978-07-17 1980-02-15 Gen Electric Dispositif perfectionne d'alimentation en air de refroidissement d'un support de virole
FR2431609A1 (fr) * 1978-07-17 1980-02-15 Gen Electric Systeme d'alimentation en air de refroidissement pour moteur a turbine a gaz
FR2485633A1 (enExample) * 1980-06-26 1981-12-31 Gen Electric
FR2601074A1 (fr) * 1986-07-03 1988-01-08 Snecma Turbomachine munie d'un dispositif de commande du debit d'air de ventilation preleve en vue du controle des jeux entre rotor et stator.
US4849895A (en) * 1987-04-15 1989-07-18 Societe Nationale D'etude Et De Construction De Moteurs D'aviation (Snecma) System for adjusting radial clearance between rotor and stator elements
WO1992011444A1 (en) * 1990-12-22 1992-07-09 Rolls-Royce Plc Gas turbine engine clearance control

Also Published As

Publication number Publication date
JPS5317813A (en) 1978-02-18
DE2718610A1 (de) 1978-02-09
GB1581855A (en) 1980-12-31
FR2360750B1 (enExample) 1982-08-13
IT1076442B (it) 1985-04-27
BE854122A (fr) 1977-08-16

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