JPS5317813A - Methos of improving turbine performance - Google Patents

Methos of improving turbine performance

Info

Publication number
JPS5317813A
JPS5317813A JP4796177A JP4796177A JPS5317813A JP S5317813 A JPS5317813 A JP S5317813A JP 4796177 A JP4796177 A JP 4796177A JP 4796177 A JP4796177 A JP 4796177A JP S5317813 A JPS5317813 A JP S5317813A
Authority
JP
Japan
Prior art keywords
methos
turbine performance
improving turbine
improving
performance
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.)
Pending
Application number
JP4796177A
Other languages
English (en)
Japanese (ja)
Inventor
Kaaru Hemuzuwaasu Maachin
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 JPS5317813A publication Critical patent/JPS5317813A/ja
Pending 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)
JP4796177A 1976-08-02 1977-04-27 Methos of improving turbine performance Pending JPS5317813A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS5317813A true JPS5317813A (en) 1978-02-18

Family

ID=24856000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4796177A Pending JPS5317813A (en) 1976-08-02 1977-04-27 Methos of improving turbine performance

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5560626A (en) * 1978-07-17 1980-05-07 Gen Electric Method and device for feeding air
JPS588204A (ja) * 1981-06-26 1983-01-18 ユナイテツド・テクノロジ−ズ・コ−ポレイシヨン 閉ル−プ式間隙制御装置
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

Families Citing this family (16)

* 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
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
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5560626A (en) * 1978-07-17 1980-05-07 Gen Electric Method and device for feeding air
JPS588204A (ja) * 1981-06-26 1983-01-18 ユナイテツド・テクノロジ−ズ・コ−ポレイシヨン 閉ル−プ式間隙制御装置
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

Also Published As

Publication number Publication date
FR2360750A1 (fr) 1978-03-03
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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