CN104564176B - 用于动态密封涡轮发动机的装置和方法及涡轮发动机总成 - Google Patents

用于动态密封涡轮发动机的装置和方法及涡轮发动机总成 Download PDF

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Publication number
CN104564176B
CN104564176B CN201410528434.9A CN201410528434A CN104564176B CN 104564176 B CN104564176 B CN 104564176B CN 201410528434 A CN201410528434 A CN 201410528434A CN 104564176 B CN104564176 B CN 104564176B
Authority
CN
China
Prior art keywords
seal
turbogenerator
dynamic sealing
sealing means
shell
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 - Fee Related
Application number
CN201410528434.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN104564176A (zh
Inventor
M.J.鲍曼
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 CN104564176A publication Critical patent/CN104564176A/zh
Application granted granted Critical
Publication of CN104564176B publication Critical patent/CN104564176B/zh
Expired - Fee Related 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
    • 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)
CN201410528434.9A 2013-10-09 2014-10-09 用于动态密封涡轮发动机的装置和方法及涡轮发动机总成 Expired - Fee Related CN104564176B (zh)

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
US14/049967 2013-10-09

Publications (2)

Publication Number Publication Date
CN104564176A CN104564176A (zh) 2015-04-29
CN104564176B true CN104564176B (zh) 2017-10-24

Family

ID=52693397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410528434.9A Expired - Fee Related CN104564176B (zh) 2013-10-09 2014-10-09 用于动态密封涡轮发动机的装置和方法及涡轮发动机总成

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8256228B2 (en) * 2008-04-29 2012-09-04 Rolls Royce Corporation Turbine blade tip clearance apparatus and method

Family Cites Families (11)

* 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
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
US6257588B1 (en) * 1998-09-22 2001-07-10 General Electric Company Brush seal and rotary machine including such brush seal
US6769865B2 (en) 2002-03-22 2004-08-03 General Electric Company Band cooled turbine nozzle
GB0308147D0 (en) * 2003-04-09 2003-05-14 Rolls Royce Plc A seal
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
US8186945B2 (en) * 2009-05-26 2012-05-29 General Electric Company System and method for clearance control
US20120027573A1 (en) 2010-08-02 2012-02-02 General Electric Company Seal teeth for seal assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8256228B2 (en) * 2008-04-29 2012-09-04 Rolls Royce Corporation Turbine blade tip clearance apparatus and method

Also Published As

Publication number Publication date
DE102014114386A1 (de) 2015-04-09
CH708707A2 (de) 2015-04-15
US9488060B2 (en) 2016-11-08
US20150098806A1 (en) 2015-04-09
JP2015075110A (ja) 2015-04-20
CN104564176A (zh) 2015-04-29

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