JP2015075110A - タービンエンジンの動的シールシステム及びその方法 - Google Patents

タービンエンジンの動的シールシステム及びその方法 Download PDF

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Publication number
JP2015075110A
JP2015075110A JP2014205338A JP2014205338A JP2015075110A JP 2015075110 A JP2015075110 A JP 2015075110A JP 2014205338 A JP2014205338 A JP 2014205338A JP 2014205338 A JP2014205338 A JP 2014205338A JP 2015075110 A JP2015075110 A JP 2015075110A
Authority
JP
Japan
Prior art keywords
seal
turbine engine
assembly
rotor
casing
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
JP2014205338A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015075110A5 (enExample
Inventor
マイケル・ジョン・ボウマン
Michael John Bowman
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 JP2015075110A publication Critical patent/JP2015075110A/ja
Publication of JP2015075110A5 publication Critical patent/JP2015075110A5/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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Devices (AREA)
JP2014205338A 2013-10-09 2014-10-06 タービンエンジンの動的シールシステム及びその方法 Pending JP2015075110A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/049,967 US9488060B2 (en) 2013-10-09 2013-10-09 Systems and methods for dynamically sealing a turbine engine
US14/049,967 2013-10-09

Publications (2)

Publication Number Publication Date
JP2015075110A true JP2015075110A (ja) 2015-04-20
JP2015075110A5 JP2015075110A5 (enExample) 2017-11-09

Family

ID=52693397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014205338A Pending JP2015075110A (ja) 2013-10-09 2014-10-06 タービンエンジンの動的シールシステム及びその方法

Country Status (5)

Country Link
US (1) US9488060B2 (enExample)
JP (1) JP2015075110A (enExample)
CN (1) CN104564176B (enExample)
CH (1) CH708707A2 (enExample)
DE (1) DE102014114386A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10458429B2 (en) 2016-05-26 2019-10-29 Rolls-Royce Corporation Impeller shroud with slidable coupling for clearance control in a centrifugal compressor
JP7267109B2 (ja) * 2019-05-31 2023-05-01 三菱重工業株式会社 蒸気タービンのシールクリアランス調整方法
US11519284B2 (en) * 2020-06-02 2022-12-06 General Electric Company Turbine engine with a floating interstage seal
US12345163B2 (en) 2023-11-17 2025-07-01 Rolls-Royce Corporation Travel stop for a tip clearance control system
US12345162B2 (en) 2023-11-17 2025-07-01 Rolls-Royce Corporation Adjustable position impeller shroud for centrifugal compressors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0711908A (ja) * 1993-06-25 1995-01-13 Mitsubishi Heavy Ind Ltd 蒸気タービン動翼のフラッタ防止装置
JP2000154875A (ja) * 1998-09-22 2000-06-06 General Electric Co <Ge> ブラシシ―ルおよびこのようなブラシシ―ルを含む回転機械
US20080267770A1 (en) * 2003-04-09 2008-10-30 Webster John R Seal
US20090266082A1 (en) * 2008-04-29 2009-10-29 O'leary Mark Turbine blade tip clearance apparatus and method
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603599A (en) 1970-05-06 1971-09-07 Gen Motors Corp Cooled seal
US6769865B2 (en) 2002-03-22 2004-08-03 General Electric Company Band cooled turbine nozzle
US7040861B2 (en) 2004-03-04 2006-05-09 General Electric Company Method and apparatus for reducing self sealing flow in combined-cycle steam turbines
US20070132193A1 (en) * 2005-12-13 2007-06-14 Wolfe Christopher E Compliant abradable sealing system and method for rotary machines
US20070248452A1 (en) * 2006-04-25 2007-10-25 Brisson Bruce W Retractable compliant abradable sealing system and method for rotary machines
US20080042367A1 (en) 2006-08-17 2008-02-21 General Electric Company A variable clearance packing ring
US20120027573A1 (en) 2010-08-02 2012-02-02 General Electric Company Seal teeth for seal assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0711908A (ja) * 1993-06-25 1995-01-13 Mitsubishi Heavy Ind Ltd 蒸気タービン動翼のフラッタ防止装置
JP2000154875A (ja) * 1998-09-22 2000-06-06 General Electric Co <Ge> ブラシシ―ルおよびこのようなブラシシ―ルを含む回転機械
US20080267770A1 (en) * 2003-04-09 2008-10-30 Webster John R Seal
US20090266082A1 (en) * 2008-04-29 2009-10-29 O'leary Mark Turbine blade tip clearance apparatus and method
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
DE102014114386A1 (de) 2015-04-09
CN104564176B (zh) 2017-10-24
CH708707A2 (de) 2015-04-15
US9488060B2 (en) 2016-11-08
US20150098806A1 (en) 2015-04-09
CN104564176A (zh) 2015-04-29

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