FR2970290B1 - Systeme pour regler des segments de joint brosse dans une turbomachine - Google Patents

Systeme pour regler des segments de joint brosse dans une turbomachine Download PDF

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Publication number
FR2970290B1
FR2970290B1 FR1250152A FR1250152A FR2970290B1 FR 2970290 B1 FR2970290 B1 FR 2970290B1 FR 1250152 A FR1250152 A FR 1250152A FR 1250152 A FR1250152 A FR 1250152A FR 2970290 B1 FR2970290 B1 FR 2970290B1
Authority
FR
France
Prior art keywords
turbomachine
brush seal
seal segments
adjusting brush
adjusting
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
FR1250152A
Other languages
English (en)
Other versions
FR2970290A1 (fr
Inventor
Sulficker Ali
Saravana Bhava T.
Seshu Kumar Mahankali
Xiaoqing Zheng
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 FR2970290A1 publication Critical patent/FR2970290A1/fr
Application granted granted Critical
Publication of FR2970290B1 publication Critical patent/FR2970290B1/fr
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
    • 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
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F16J15/3288—Filamentary structures, e.g. brush seals
    • 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
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F05D2240/56—Brush seals

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)
FR1250152A 2011-01-07 2012-01-06 Systeme pour regler des segments de joint brosse dans une turbomachine Expired - Fee Related FR2970290B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/987,052 US8794918B2 (en) 2011-01-07 2011-01-07 System for adjusting brush seal segments in turbomachine
US12987052 2011-01-07

Publications (2)

Publication Number Publication Date
FR2970290A1 FR2970290A1 (fr) 2012-07-13
FR2970290B1 true FR2970290B1 (fr) 2018-02-09

Family

ID=46330807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1250152A Expired - Fee Related FR2970290B1 (fr) 2011-01-07 2012-01-06 Systeme pour regler des segments de joint brosse dans une turbomachine

Country Status (5)

Country Link
US (1) US8794918B2 (fr)
JP (1) JP6001853B2 (fr)
DE (1) DE102011057159A1 (fr)
FR (1) FR2970290B1 (fr)
RU (1) RU2011154006A (fr)

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DE102014226949A1 (de) * 2014-12-23 2016-06-23 Siemens Aktiengesellschaft Schutzvorrichtung für wenigstens eine Bürstendichtung einer Verdichterantriebsturbine und Dichtungsvorrichtung einer erdichterantriebsturbine
DE102015201401B4 (de) * 2015-01-28 2021-06-17 MTU Aero Engines AG Vorrichtung und Verfahren zur Befestigung von Dichtungselementen
CN107208801B (zh) * 2015-03-09 2020-03-13 伊格尔工业股份有限公司 分割型刷式密封装置、刷式密封片和分割型刷式密封装置的组装方法
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US11428323B2 (en) * 2019-04-16 2022-08-30 Raytheon Technologies Corporation Floating brush seal assembly
US11933180B2 (en) 2021-12-16 2024-03-19 Pratt & Whitney Canada Corp. Labyrinth seal

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Also Published As

Publication number Publication date
FR2970290A1 (fr) 2012-07-13
US8794918B2 (en) 2014-08-05
JP2012145102A (ja) 2012-08-02
RU2011154006A (ru) 2013-07-20
DE102011057159A1 (de) 2012-08-16
US20120177483A1 (en) 2012-07-12
JP6001853B2 (ja) 2016-10-05

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