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IT1125410B - Sistema di mandata d'aria di raffreddamento per regolare la dilatazione termica relativa fascia/rotore in turbomotori a gas - Google Patents

Sistema di mandata d'aria di raffreddamento per regolare la dilatazione termica relativa fascia/rotore in turbomotori a gas

Info

Publication number
IT1125410B
IT1125410B IT23984/79A IT2398479A IT1125410B IT 1125410 B IT1125410 B IT 1125410B IT 23984/79 A IT23984/79 A IT 23984/79A IT 2398479 A IT2398479 A IT 2398479A IT 1125410 B IT1125410 B IT 1125410B
Authority
IT
Italy
Prior art keywords
regulate
rotor
band
thermal expansion
delivery system
Prior art date
Application number
IT23984/79A
Other languages
English (en)
Other versions
IT7923984A0 (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
Publication of IT7923984A0 publication Critical patent/IT7923984A0/it
Application granted granted Critical
Publication of IT1125410B publication Critical patent/IT1125410B/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Valve Device For Special Equipments (AREA)
IT23984/79A 1978-07-17 1979-06-29 Sistema di mandata d'aria di raffreddamento per regolare la dilatazione termica relativa fascia/rotore in turbomotori a gas IT1125410B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/925,353 US4230439A (en) 1978-07-17 1978-07-17 Air delivery system for regulating thermal growth

Publications (2)

Publication Number Publication Date
IT7923984A0 IT7923984A0 (it) 1979-06-29
IT1125410B true IT1125410B (it) 1986-05-14

Family

ID=25451607

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23984/79A IT1125410B (it) 1978-07-17 1979-06-29 Sistema di mandata d'aria di raffreddamento per regolare la dilatazione termica relativa fascia/rotore in turbomotori a gas

Country Status (7)

Country Link
US (1) US4230439A (it)
JP (1) JPS5537594A (it)
CA (1) CA1119524A (it)
DE (1) DE2927760A1 (it)
FR (1) FR2431609B1 (it)
GB (1) GB2025537B (it)
IT (1) IT1125410B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4391290A (en) * 1980-10-23 1983-07-05 General Electric Company Altitude sensing control apparatus for a gas turbine engine
GB2108586B (en) * 1981-11-02 1985-08-07 United Technologies Corp Gas turbine engine active clearance control
US4525998A (en) * 1982-08-02 1985-07-02 United Technologies Corporation Clearance control for gas turbine engine
JPS5951105A (ja) * 1982-09-20 1984-03-24 Hitachi Ltd 蒸気タ−ビンの間隙制御方法
US4632635A (en) * 1984-12-24 1986-12-30 Allied Corporation Turbine blade clearance controller
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
US4928240A (en) * 1988-02-24 1990-05-22 General Electric Company Active clearance 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
FR2652858B1 (fr) * 1989-10-11 1993-05-07 Snecma Stator de turbomachine associe a des moyens de deformation.
DE4327376A1 (de) * 1993-08-14 1995-02-16 Abb Management Ag Verdichter sowie Verfahren zu dessen Betrieb
DE102010020800A1 (de) * 2010-05-18 2011-11-24 Rolls-Royce Deutschland Ltd & Co Kg Verfahren und Vorrichtung zur Kühlluftversorgung für ein Triebwerk, insbesondere Flugtriebwerk, Gasturbine oder dergleichen
EP3126640B1 (en) * 2014-03-31 2024-09-25 RTX Corporation Active clearance control for gas turbine engine
EP3040519B1 (en) 2014-12-16 2017-04-26 Rolls-Royce plc Tip clearance control for turbine blades
EP3040518B1 (en) 2014-12-16 2017-04-26 Rolls-Royce plc Tip clearance control for turbine blades
US20190078459A1 (en) * 2017-09-11 2019-03-14 United Technologies Corporation Active clearance control system for gas turbine engine with power turbine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1090173A (en) * 1966-05-04 1967-11-08 Rolls Royce Gas turbine engine
US3391904A (en) * 1966-11-02 1968-07-09 United Aircraft Corp Optimum response tip seal
US3575528A (en) * 1968-10-28 1971-04-20 Gen Motors Corp Turbine rotor cooling
US3736069A (en) * 1968-10-28 1973-05-29 Gen Motors Corp Turbine stator cooling control
BE756582A (fr) * 1969-10-02 1971-03-01 Gen Electric Ecran circulaire et support d'ecran avec dispositif de reglage de la temperature pour turbomachine
US3584458A (en) * 1969-11-25 1971-06-15 Gen Motors Corp Turbine cooling
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
US3966354A (en) * 1974-12-19 1976-06-29 General Electric Company Thermal actuated valve for clearance control
US4069662A (en) * 1975-12-05 1978-01-24 United Technologies Corporation Clearance control for gas turbine engine
GB1581855A (en) * 1976-08-02 1980-12-31 Gen Electric Turbomachine performance
US4102595A (en) * 1976-10-19 1978-07-25 General Electric Company Bleed valve control system
US4117669A (en) * 1977-03-04 1978-10-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus and method for reducing thermal stress in a turbine rotor

Also Published As

Publication number Publication date
FR2431609B1 (fr) 1986-07-11
GB2025537B (en) 1983-01-12
FR2431609A1 (fr) 1980-02-15
GB2025537A (en) 1980-01-23
JPS6316564B2 (it) 1988-04-09
DE2927760A1 (de) 1980-01-31
JPS5537594A (en) 1980-03-15
DE2927760C2 (it) 1987-05-27
IT7923984A0 (it) 1979-06-29
CA1119524A (en) 1982-03-09
US4230439A (en) 1980-10-28

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Legal Events

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Effective date: 19950628