DE102014114386A1 - Systeme und Verfahren zur dynamischen Abdichtung einer Turbine - Google Patents

Systeme und Verfahren zur dynamischen Abdichtung einer Turbine Download PDF

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Publication number
DE102014114386A1
DE102014114386A1 DE201410114386 DE102014114386A DE102014114386A1 DE 102014114386 A1 DE102014114386 A1 DE 102014114386A1 DE 201410114386 DE201410114386 DE 201410114386 DE 102014114386 A DE102014114386 A DE 102014114386A DE 102014114386 A1 DE102014114386 A1 DE 102014114386A1
Authority
DE
Germany
Prior art keywords
seal
turbine
blades
dynamic sealing
housing
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
DE201410114386
Other languages
German (de)
English (en)
Inventor
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 DE102014114386A1 publication Critical patent/DE102014114386A1/de
Ceased legal-status Critical Current

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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)
DE201410114386 2013-10-09 2014-10-02 Systeme und Verfahren zur dynamischen Abdichtung einer Turbine Ceased DE102014114386A1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE102014114386A1 true DE102014114386A1 (de) 2015-04-09

Family

ID=52693397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201410114386 Ceased DE102014114386A1 (de) 2013-10-09 2014-10-02 Systeme und Verfahren zur dynamischen Abdichtung einer Turbine

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

Family Cites Families (12)

* 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
US8256228B2 (en) * 2008-04-29 2012-09-04 Rolls Royce Corporation Turbine blade tip clearance apparatus and method
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

Also Published As

Publication number Publication date
CN104564176B (zh) 2017-10-24
CN104564176A (zh) 2015-04-29
JP2015075110A (ja) 2015-04-20
CH708707A2 (de) 2015-04-15
US20150098806A1 (en) 2015-04-09
US9488060B2 (en) 2016-11-08

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: F01D0011140000

Ipc: F01D0011220000

R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final