JP6106439B2 - 軸方向可撓性アームを備える近流路シール - Google Patents

軸方向可撓性アームを備える近流路シール Download PDF

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Publication number
JP6106439B2
JP6106439B2 JP2013005860A JP2013005860A JP6106439B2 JP 6106439 B2 JP6106439 B2 JP 6106439B2 JP 2013005860 A JP2013005860 A JP 2013005860A JP 2013005860 A JP2013005860 A JP 2013005860A JP 6106439 B2 JP6106439 B2 JP 6106439B2
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JP
Japan
Prior art keywords
arm
flow path
near flow
path seal
seal
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.)
Active
Application number
JP2013005860A
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English (en)
Japanese (ja)
Other versions
JP2013148088A (ja
JP2013148088A5 (enExample
Inventor
ジョン・ウェズリー・ハリス，ジュニア
ブルース・ジェイ・バディング
ブライアン・ディ・ポッター
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 JP2013148088A publication Critical patent/JP2013148088A/ja
Publication of JP2013148088A5 publication Critical patent/JP2013148088A5/ja
Application granted granted Critical
Publication of JP6106439B2 publication Critical patent/JP6106439B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3213—Application in turbines in gas turbines for a special turbine stage an intermediate stage of the turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Gasket Seals (AREA)
JP2013005860A 2012-01-20 2013-01-17 軸方向可撓性アームを備える近流路シール Active JP6106439B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/354,365 US9080456B2 (en) 2012-01-20 2012-01-20 Near flow path seal with axially flexible arms
US13/354,365 2012-01-20

Publications (3)

Publication Number Publication Date
JP2013148088A JP2013148088A (ja) 2013-08-01
JP2013148088A5 JP2013148088A5 (enExample) 2016-03-03
JP6106439B2 true JP6106439B2 (ja) 2017-03-29

Family

ID=47603353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013005860A Active JP6106439B2 (ja) 2012-01-20 2013-01-17 軸方向可撓性アームを備える近流路シール

Country Status (5)

Country Link
US (1) US9080456B2 (enExample)
EP (1) EP2650482B1 (enExample)
JP (1) JP6106439B2 (enExample)
CN (1) CN103216274B (enExample)
RU (1) RU2617037C2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10919461B2 (en) 2016-03-16 2021-02-16 Zephyros, Inc. Flexible members for sealing, baffling, or reinforcing
CN109611160B (zh) * 2018-12-26 2020-08-11 北京航空航天大学 转动件流体封严“马蹄型”篦齿
IT202000004585A1 (it) * 2020-03-04 2021-09-04 Nuovo Pignone Tecnologie Srl Turbina e pala perfezionate per la protezione della radice dai gas caldi del percorso del flusso.

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551068A (en) * 1968-10-25 1970-12-29 Westinghouse Electric Corp Rotor structure for an axial flow machine
US4309147A (en) * 1979-05-21 1982-01-05 General Electric Company Foreign particle separator
US4645424A (en) * 1984-07-23 1987-02-24 United Technologies Corporation Rotating seal for gas turbine engine
US4869640A (en) * 1988-09-16 1989-09-26 United Technologies Corporation Controlled temperature rotating seal
US5226785A (en) * 1991-10-30 1993-07-13 General Electric Company Impeller system for a gas turbine engine
US5288210A (en) * 1991-10-30 1994-02-22 General Electric Company Turbine disk attachment system
RU2146013C1 (ru) * 1994-12-27 2000-02-27 Владимиров Порфирий Сергеевич Способ уплотнения рабочих камер роторного двигателя
GB2307520B (en) 1995-11-14 1999-07-07 Rolls Royce Plc A gas turbine engine
FR2744761B1 (fr) * 1996-02-08 1998-03-13 Snecma Disque labyrinthe avec raidisseur incorpore pour rotor de turbomachine
US6464453B2 (en) 2000-12-04 2002-10-15 General Electric Company Turbine interstage sealing ring
EP1371814A1 (en) 2002-06-11 2003-12-17 ALSTOM (Switzerland) Ltd Sealing arrangement for a rotor of a turbomachine
US7488153B2 (en) 2002-07-01 2009-02-10 Alstom Technology Ltd. Steam turbine
US6899520B2 (en) 2003-09-02 2005-05-31 General Electric Company Methods and apparatus to reduce seal rubbing within gas turbine engines
US7252481B2 (en) 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US7410345B2 (en) 2005-04-11 2008-08-12 General Electric Company Turbine nozzle retention key
US8573940B2 (en) 2006-07-07 2013-11-05 United Technologies Corporation Interlocking knife edge seals
EP1898054B1 (de) 2006-08-25 2018-05-30 Ansaldo Energia IP UK Limited Gasturbine
US7870742B2 (en) 2006-11-10 2011-01-18 General Electric Company Interstage cooled turbine engine
RU2403418C2 (ru) * 2008-05-27 2010-11-10 Закрытое акционерное общество "Уральский турбинный завод" Уплотнение статора турбины
US8221062B2 (en) 2009-01-14 2012-07-17 General Electric Company Device and system for reducing secondary air flow in a gas turbine
US8206119B2 (en) 2009-02-05 2012-06-26 General Electric Company Turbine coverplate systems
US8235656B2 (en) * 2009-02-13 2012-08-07 General Electric Company Catenary turbine seal systems
US8696320B2 (en) 2009-03-12 2014-04-15 General Electric Company Gas turbine having seal assembly with coverplate and seal
US20100232939A1 (en) 2009-03-12 2010-09-16 General Electric Company Machine Seal Assembly
US8348603B2 (en) 2009-04-02 2013-01-08 General Electric Company Gas turbine inner flowpath coverpiece
US8007230B2 (en) 2010-01-05 2011-08-30 General Electric Company Turbine seal plate assembly
DE102010007724A1 (de) 2010-02-12 2011-08-18 Rolls-Royce Deutschland Ltd & Co KG, 15827 Schraubenlose Zwischenstufendichtung einer Gasturbine
US8382432B2 (en) 2010-03-08 2013-02-26 General Electric Company Cooled turbine rim seal

Also Published As

Publication number Publication date
CN103216274B (zh) 2016-08-03
JP2013148088A (ja) 2013-08-01
CN103216274A (zh) 2013-07-24
US9080456B2 (en) 2015-07-14
EP2650482B1 (en) 2014-09-17
EP2650482A1 (en) 2013-10-16
RU2617037C2 (ru) 2017-04-19
RU2013102144A (ru) 2014-07-27
US20130187339A1 (en) 2013-07-25

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