JP2015055250A - 回転機械のためのクリアランス制御システムおよびクリアランスを制御する方法 - Google Patents

回転機械のためのクリアランス制御システムおよびクリアランスを制御する方法 Download PDF

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Publication number
JP2015055250A
JP2015055250A JP2014182817A JP2014182817A JP2015055250A JP 2015055250 A JP2015055250 A JP 2015055250A JP 2014182817 A JP2014182817 A JP 2014182817A JP 2014182817 A JP2014182817 A JP 2014182817A JP 2015055250 A JP2015055250 A JP 2015055250A
Authority
JP
Japan
Prior art keywords
inner casing
casing
outer casing
control system
clearance control
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.)
Ceased
Application number
JP2014182817A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015055250A5 (enExample
Inventor
デイヴィッド・ジョンソン
Johnson David
ラドゥ・イオアン・ダネスキュ
Ioan Danescu Radu
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 JP2015055250A publication Critical patent/JP2015055250A/ja
Publication of JP2015055250A5 publication Critical patent/JP2015055250A5/ja
Ceased 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
    • 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
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
    • 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Manufacture Of Motors, Generators (AREA)
JP2014182817A 2013-09-12 2014-09-09 回転機械のためのクリアランス制御システムおよびクリアランスを制御する方法 Ceased JP2015055250A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/025,179 US9488063B2 (en) 2013-09-12 2013-09-12 Clearance control system for a rotary machine and method of controlling a clearance
US14/025,179 2013-09-12

Publications (2)

Publication Number Publication Date
JP2015055250A true JP2015055250A (ja) 2015-03-23
JP2015055250A5 JP2015055250A5 (enExample) 2017-10-05

Family

ID=52478700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014182817A Ceased JP2015055250A (ja) 2013-09-12 2014-09-09 回転機械のためのクリアランス制御システムおよびクリアランスを制御する方法

Country Status (5)

Country Link
US (1) US9488063B2 (enExample)
JP (1) JP2015055250A (enExample)
CN (1) CN104454039B (enExample)
CH (1) CH708579A8 (enExample)
DE (1) DE102014112699A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114017134B (zh) * 2021-11-12 2024-12-20 中国航发沈阳发动机研究所 一种通过改变机匣热容调整机匣热变形速率的方法
US11668206B1 (en) 2022-03-09 2023-06-06 General Electric Company Temperature gradient control system for a compressor casing
CN118836186B (zh) * 2024-07-16 2025-10-21 中国联合重型燃气轮机技术有限公司 一种压气机静叶环周向限位组件及周向间隙的测量方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154575A (en) * 1991-07-01 1992-10-13 United Technologies Corporation Thermal blade tip clearance control for gas turbine engines
US6406256B1 (en) * 1999-08-12 2002-06-18 Alstom Device and method for the controlled setting of the gap between the stator arrangement and rotor arrangement of a turbomachine
US20030133790A1 (en) * 2002-01-16 2003-07-17 Darkins Toby George Turbine shroud segment and shroud assembly
JP2010276019A (ja) * 2009-05-26 2010-12-09 General Electric Co <Ge> クリアランスを制御するためのシステム及び方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867061A (en) * 1973-12-26 1975-02-18 Curtiss Wright Corp Shroud structure for turbine rotor blades and the like
US5219268A (en) 1992-03-06 1993-06-15 General Electric Company Gas turbine engine case thermal control flange
US7686569B2 (en) * 2006-12-04 2010-03-30 Siemens Energy, Inc. Blade clearance system for a turbine engine
US8292571B2 (en) 2007-10-12 2012-10-23 General Electric Company Apparatus and method for clearance control of turbine blade tip
DE102007056895A1 (de) * 2007-11-26 2009-05-28 Mtu Aero Engines Gmbh Aktive Spaltregeleinrichtung für Rotorgehäuse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154575A (en) * 1991-07-01 1992-10-13 United Technologies Corporation Thermal blade tip clearance control for gas turbine engines
US6406256B1 (en) * 1999-08-12 2002-06-18 Alstom Device and method for the controlled setting of the gap between the stator arrangement and rotor arrangement of a turbomachine
US20030133790A1 (en) * 2002-01-16 2003-07-17 Darkins Toby George Turbine shroud segment and shroud assembly
JP2010276019A (ja) * 2009-05-26 2010-12-09 General Electric Co <Ge> クリアランスを制御するためのシステム及び方法

Also Published As

Publication number Publication date
CH708579A2 (de) 2015-03-13
CN104454039A (zh) 2015-03-25
US9488063B2 (en) 2016-11-08
DE102014112699A1 (de) 2015-03-12
CH708579A8 (de) 2015-07-31
CN104454039B (zh) 2017-06-27
US20150071767A1 (en) 2015-03-12

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