GB1581855A - Turbomachine performance - Google Patents

Turbomachine performance Download PDF

Info

Publication number
GB1581855A
GB1581855A GB1576977A GB1576977A GB1581855A GB 1581855 A GB1581855 A GB 1581855A GB 1576977 A GB1576977 A GB 1576977A GB 1576977 A GB1576977 A GB 1576977A GB 1581855 A GB1581855 A GB 1581855A
Authority
GB
United Kingdom
Prior art keywords
compressor
cooling
turbomachine
turbine
set forth
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
GB1576977A
Other languages
English (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.)
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 GB1581855A publication Critical patent/GB1581855A/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
    • 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)
GB1576977A 1976-08-02 1977-04-15 Turbomachine performance Expired GB1581855A (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
GB1581855A true GB1581855A (en) 1980-12-31

Family

ID=24856000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1576977A Expired GB1581855A (en) 1976-08-02 1977-04-15 Turbomachine 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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185544A (en) * 1986-01-17 1987-07-22 United Technologies Corp Transition duct seal
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
GB2233397A (en) * 1989-06-23 1991-01-09 United Technologies Corp Clearance control method for gas turbine engine
GB2233398A (en) * 1989-06-23 1991-01-09 United Technologies Corp Thermal clearance control method for gas turbine engine
GB2233399A (en) * 1989-06-23 1991-01-09 United Technologies Corp Active clearance control with cruise mode
GB2236147A (en) * 1989-08-24 1991-03-27 Rolls Royce Plc Gas turbine engine with turbine tip clearance control device and method of operation
US5123241A (en) * 1989-10-11 1992-06-23 Societe Nationale D'etude Et De Construction De Moteurs D'aviation ("S.N.E.C.M.A.") System for deforming a turbine stator housing
WO2004097181A1 (en) * 2003-04-30 2004-11-11 Pratt & Whitney Canada Corp. Hybrid turbine blade tip clearance control system
FR2971291A1 (fr) * 2011-02-08 2012-08-10 Snecma Unite de commande et procede de pilotage de jeu en sommet d'aubes
EP3406882A1 (en) * 2017-05-22 2018-11-28 United Technologies Corporation Active bleed flow modulation

Families Citing this family (9)

* 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
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.
GB9027986D0 (en) * 1990-12-22 1991-02-13 Rolls Royce Plc Gas turbine engine clearance control
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

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 (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185544A (en) * 1986-01-17 1987-07-22 United Technologies Corp Transition duct seal
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
GB2233399B (en) * 1989-06-23 1993-05-12 United Technologies Corp Active clearance control with cruise mode
GB2233397B (en) * 1989-06-23 1993-07-28 United Technologies Corp Clearance control method for gas turbine engine
GB2233399A (en) * 1989-06-23 1991-01-09 United Technologies Corp Active clearance control with cruise mode
GB2233398A (en) * 1989-06-23 1991-01-09 United Technologies Corp Thermal clearance control method for gas turbine engine
GB2233397A (en) * 1989-06-23 1991-01-09 United Technologies Corp Clearance control method for gas turbine engine
GB2236147A (en) * 1989-08-24 1991-03-27 Rolls Royce Plc Gas turbine engine with turbine tip clearance control device and method of operation
GB2236147B (en) * 1989-08-24 1993-05-12 Rolls Royce Plc Gas turbine engine with turbine tip clearance control device and method of operation
US5123241A (en) * 1989-10-11 1992-06-23 Societe Nationale D'etude Et De Construction De Moteurs D'aviation ("S.N.E.C.M.A.") System for deforming a turbine stator housing
WO2004097181A1 (en) * 2003-04-30 2004-11-11 Pratt & Whitney Canada Corp. Hybrid turbine blade tip clearance control system
US6925814B2 (en) 2003-04-30 2005-08-09 Pratt & Whitney Canada Corp. Hybrid turbine tip clearance control system
FR2971291A1 (fr) * 2011-02-08 2012-08-10 Snecma Unite de commande et procede de pilotage de jeu en sommet d'aubes
US8936429B2 (en) 2011-02-08 2015-01-20 Snecma Control unit and a method for controlling blade tip clearance
EP3406882A1 (en) * 2017-05-22 2018-11-28 United Technologies Corporation Active bleed flow modulation
US12392289B2 (en) 2017-05-22 2025-08-19 Rtx Corporation Active bleed flow modulation

Also Published As

Publication number Publication date
JPS5317813A (en) 1978-02-18
FR2360750A1 (fr) 1978-03-03
DE2718610A1 (de) 1978-02-09
FR2360750B1 (enExample) 1982-08-13
IT1076442B (it) 1985-04-27
BE854122A (fr) 1977-08-16

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Legal Events

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