EP2805025A4 - Gas turbine engine tip clearance control - Google Patents

Gas turbine engine tip clearance control

Info

Publication number
EP2805025A4
EP2805025A4 EP12872268.3A EP12872268A EP2805025A4 EP 2805025 A4 EP2805025 A4 EP 2805025A4 EP 12872268 A EP12872268 A EP 12872268A EP 2805025 A4 EP2805025 A4 EP 2805025A4
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine engine
tip clearance
clearance control
engine tip
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
EP12872268.3A
Other languages
German (de)
French (fr)
Other versions
EP2805025B1 (en
EP2805025A1 (en
Inventor
Adam J Morrison
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.)
Rolls Royce North American Technologies Inc
Original Assignee
Rolls Royce North American Technologies Inc
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 Rolls Royce North American Technologies Inc filed Critical Rolls Royce North American Technologies Inc
Publication of EP2805025A1 publication Critical patent/EP2805025A1/en
Publication of EP2805025A4 publication Critical patent/EP2805025A4/en
Application granted granted Critical
Publication of EP2805025B1 publication Critical patent/EP2805025B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • 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
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/40—Type of control system
    • F05D2270/44—Type of control system active, predictive, or anticipative

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP12872268.3A 2011-12-30 2012-12-28 Gas turbine engine tip clearance control Active EP2805025B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161581793P 2011-12-30 2011-12-30
PCT/US2012/072133 WO2013141937A1 (en) 2011-12-30 2012-12-28 Gas turbine engine tip clearance control

Publications (3)

Publication Number Publication Date
EP2805025A1 EP2805025A1 (en) 2014-11-26
EP2805025A4 true EP2805025A4 (en) 2015-11-11
EP2805025B1 EP2805025B1 (en) 2018-05-02

Family

ID=49223148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12872268.3A Active EP2805025B1 (en) 2011-12-30 2012-12-28 Gas turbine engine tip clearance control

Country Status (4)

Country Link
US (1) US20140314567A1 (en)
EP (1) EP2805025B1 (en)
CA (1) CA2862644C (en)
WO (1) WO2013141937A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL225446B1 (en) * 2013-04-30 2017-04-28 Gen Electric Thermal space management system in a turbine
WO2015156872A2 (en) * 2014-01-24 2015-10-15 United Technologies Corporation Systems for thermoelectric cooling for jet aircraft propulsion systems
US10938328B2 (en) 2016-06-22 2021-03-02 General Electric Company Harvesting energy from composite aircraft engine components

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994472A (en) * 1958-12-29 1961-08-01 Gen Electric Tip clearance control system for turbomachines
US5667358A (en) * 1995-11-30 1997-09-16 Westinghouse Electric Corporation Method for reducing steady state rotor blade tip clearance in a land-based gas turbine to improve efficiency
EP2597274A2 (en) * 2011-11-23 2013-05-29 General Electric Company Gas turbine engine lockout-time reduction
EP2664746A2 (en) * 2012-05-16 2013-11-20 General Electric Company Systems and methods for adjusting clearances in turbines

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326804A (en) * 1980-02-11 1982-04-27 General Electric Company Apparatus and method for optical clearance determination
GB2117450B (en) * 1981-03-20 1984-06-27 Rolls Royce Casing support for a gas turbine engine
US5216887A (en) * 1987-06-30 1993-06-08 Kabushiki Kaisha Komatsu Seisakusho Radiative-type air-conditioning unit
GB2388407B (en) * 2002-05-10 2005-10-26 Rolls Royce Plc Gas turbine blade tip clearance control structure
WO2006059982A1 (en) * 2004-12-01 2006-06-08 United Technologies Corporation Remote engine fuel control and electronic engine control for turbine engine
US20070277866A1 (en) * 2006-05-31 2007-12-06 General Electric Company Thermoelectric nanotube arrays
JP2008157340A (en) * 2006-12-22 2008-07-10 Ntn Corp Rolling bearing
US9018512B2 (en) * 2007-12-21 2015-04-28 The Boeing Company Thermoelectric generation system
FR2942077B1 (en) * 2009-02-06 2013-08-16 Turbomeca THERMOELECTRIC GENERATION FOR GAS TURBINE
FR2943093B1 (en) * 2009-03-16 2015-04-24 Snecma DEVICE FOR ADJUSTING THE RADIAL AND / OR AXIAL POSITION OF A TURBOMACHINE STATOR VIOLA
FR2943717B1 (en) * 2009-03-27 2016-02-19 Snecma COMPRESSOR STATOR OR TURBINE ENGINE TURBINE FOR CONTROLLING THE AUTHORED GAME OF A ROTOR IN LOOK
US8578696B2 (en) * 2010-08-03 2013-11-12 General Electric Company Turbulated arrangement of thermoelectric elements for utilizing waste heat generated from turbine engine
US20120118345A1 (en) * 2010-11-15 2012-05-17 The Boeing Company Thermal integration of thermoelectronic device
US9151176B2 (en) * 2011-11-22 2015-10-06 General Electric Company Systems and methods for adjusting clearances in turbines
US9057282B2 (en) * 2011-11-22 2015-06-16 General Electric Company Systems and methods for adjusting clearances in turbines
WO2013141938A1 (en) * 2011-12-30 2013-09-26 Rolls-Royce North American Technologies, Inc. Gas turbine engine tip clearance control
PL225446B1 (en) * 2013-04-30 2017-04-28 Gen Electric Thermal space management system in a turbine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994472A (en) * 1958-12-29 1961-08-01 Gen Electric Tip clearance control system for turbomachines
US5667358A (en) * 1995-11-30 1997-09-16 Westinghouse Electric Corporation Method for reducing steady state rotor blade tip clearance in a land-based gas turbine to improve efficiency
EP2597274A2 (en) * 2011-11-23 2013-05-29 General Electric Company Gas turbine engine lockout-time reduction
EP2664746A2 (en) * 2012-05-16 2013-11-20 General Electric Company Systems and methods for adjusting clearances in turbines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013141937A1 *

Also Published As

Publication number Publication date
CA2862644C (en) 2019-08-27
US20140314567A1 (en) 2014-10-23
WO2013141937A1 (en) 2013-09-26
EP2805025B1 (en) 2018-05-02
CA2862644A1 (en) 2013-09-26
EP2805025A1 (en) 2014-11-26

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