IT1076442B - Metodo e apparato atti a migliorare le prestazioni di una turbina - Google Patents

Metodo e apparato atti a migliorare le prestazioni di una turbina

Info

Publication number
IT1076442B
IT1076442B IT2297077A IT2297077A IT1076442B IT 1076442 B IT1076442 B IT 1076442B IT 2297077 A IT2297077 A IT 2297077A IT 2297077 A IT2297077 A IT 2297077A IT 1076442 B IT1076442 B IT 1076442B
Authority
IT
Italy
Prior art keywords
turbine
performance
improve
apparatus suitable
Prior art date
Application number
IT2297077A
Other languages
English (en)
Italian (it)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1076442B publication Critical patent/IT1076442B/it

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)
IT2297077A 1976-08-02 1977-04-29 Metodo e apparato atti a migliorare le prestazioni di una turbina IT1076442B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1076442B true IT1076442B (it) 1985-04-27

Family

ID=24856000

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2297077A IT1076442B (it) 1976-08-02 1977-04-29 Metodo e apparato atti a migliorare le prestazioni di una turbina

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)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230439A (en) * 1978-07-17 1980-10-28 General Electric Company Air delivery system for regulating thermal growth
US4230436A (en) * 1978-07-17 1980-10-28 General Electric Company Rotor/shroud clearance control system
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
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
FR2601074B1 (fr) * 1986-07-03 1990-05-25 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.
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
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.
GB9027986D0 (en) * 1990-12-22 1991-02-13 Rolls Royce Plc Gas turbine engine clearance control
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4069662A (en) * 1975-12-05 1978-01-24 United Technologies Corporation Clearance control for gas turbine engine
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
JPS5317813A (en) 1978-02-18
FR2360750A1 (fr) 1978-03-03
DE2718610A1 (de) 1978-02-09
GB1581855A (en) 1980-12-31
FR2360750B1 (enExample) 1982-08-13
BE854122A (fr) 1977-08-16

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