JP5923283B2 - シールアセンブリ - Google Patents

シールアセンブリ Download PDF

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Publication number
JP5923283B2
JP5923283B2 JP2011255666A JP2011255666A JP5923283B2 JP 5923283 B2 JP5923283 B2 JP 5923283B2 JP 2011255666 A JP2011255666 A JP 2011255666A JP 2011255666 A JP2011255666 A JP 2011255666A JP 5923283 B2 JP5923283 B2 JP 5923283B2
Authority
JP
Japan
Prior art keywords
packing ring
seal assembly
segment
arcuate
rotor
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
JP2011255666A
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English (en)
Japanese (ja)
Other versions
JP2012117671A (ja
JP2012117671A5 (enExample
Inventor
リシケッシュ・ヴィシュヴァス・デオ
ビナヤック・ロイ
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 JP2012117671A publication Critical patent/JP2012117671A/ja
Publication of JP2012117671A5 publication Critical patent/JP2012117671A5/ja
Application granted granted Critical
Publication of JP5923283B2 publication Critical patent/JP5923283B2/ja
Expired - Fee Related 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
    • F01D11/08—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
    • 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
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • 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
    • F16J15/441—Free-space packings with floating ring
    • F16J15/442—Free-space packings with floating ring segmented

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP2011255666A 2010-11-30 2011-11-24 シールアセンブリ Expired - Fee Related JP5923283B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/957,127 2010-11-30
US12/957,127 US8628092B2 (en) 2010-11-30 2010-11-30 Method and apparatus for packing rings

Publications (3)

Publication Number Publication Date
JP2012117671A JP2012117671A (ja) 2012-06-21
JP2012117671A5 JP2012117671A5 (enExample) 2015-08-27
JP5923283B2 true JP5923283B2 (ja) 2016-05-24

Family

ID=46049927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011255666A Expired - Fee Related JP5923283B2 (ja) 2010-11-30 2011-11-24 シールアセンブリ

Country Status (5)

Country Link
US (1) US8628092B2 (enExample)
JP (1) JP5923283B2 (enExample)
DE (1) DE102011055836A1 (enExample)
FR (1) FR2968032B1 (enExample)
RU (1) RU2598620C2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9074486B2 (en) * 2011-01-31 2015-07-07 General Electric Company Method and apparatus for labyrinth seal packing ring
US8967951B2 (en) * 2012-01-10 2015-03-03 General Electric Company Turbine assembly and method for supporting turbine components
EP3039317B1 (en) 2013-08-27 2020-02-26 Eaton Corporation Seal ring composite for improved hydrodynamic seal performance
US9714712B2 (en) 2014-08-15 2017-07-25 Eaton Corporation Hydrodynamic mating ring with integrated groove inlet pressure control
US10385715B2 (en) * 2016-08-29 2019-08-20 United Technologies Corporation Floating, non-contact seal with angled beams
FR3065483B1 (fr) * 2017-04-24 2020-08-07 Safran Aircraft Engines Dispositif d'etancheite entre rotor et stator de turbomachine
US10830081B2 (en) * 2017-07-17 2020-11-10 Raytheon Technologies Corporation Non-contact seal with non-straight spring beam(s)
CN108412804B (zh) * 2018-04-11 2024-06-18 宜兴市宙斯泵业有限公司 一种离心泵用单端面内装式机械密封
US20220307603A1 (en) * 2019-07-30 2022-09-29 Siemens Energy Global GmbH & Co. KG Non-contact seal assembly with damping elements
EP3795804A1 (en) * 2019-09-20 2021-03-24 Siemens Aktiengesellschaft Sealing element for a continuous flow engine and corresponding method of manufacturing
JP7705708B2 (ja) 2019-12-19 2025-07-10 イートン インテリジェント パワー リミテッド 自己矯正流体力学的シール
EP4130524B1 (en) * 2020-06-05 2025-01-29 Harmonic Drive Systems Inc. Lubricant sealing structure, wave-motion gear device and actuator
US11773741B2 (en) * 2021-06-09 2023-10-03 General Electric Company Compliant shroud designs with variable stiffness
CN116517641A (zh) * 2022-01-24 2023-08-01 通用电气公司 弯曲梁堆叠结构柔性的护罩

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU775349A1 (ru) * 1978-01-18 1980-10-30 Предприятие П/Я М-5717 Лабиринтное уплотнение паровой турбины
US4436311A (en) 1982-04-20 1984-03-13 Brandon Ronald E Segmented labyrinth-type shaft sealing system for fluid turbines
US5118120A (en) * 1989-07-10 1992-06-02 General Electric Company Leaf seals
US5181308A (en) * 1991-07-22 1993-01-26 Westinghouse Electric Corp. Method for installing annular seals
US5395124A (en) 1993-01-04 1995-03-07 Imo Industries, Inc. Retractible segmented packing ring for fluid turbines having gravity springs to neutralize packing segment weight forces
US5709388A (en) 1996-09-27 1998-01-20 General Electric Co. Variable clearance packing ring with guide for preventing circumferential displacement
JPH11230370A (ja) * 1998-02-18 1999-08-27 Mitsubishi Heavy Ind Ltd ラビリンスシール
EP1013975B1 (en) 1998-07-13 2012-11-21 Mitsubishi Heavy Industries, Ltd. Shaft seal and turbine using the shaft seal
US6168162B1 (en) * 1998-08-05 2001-01-02 General Electric Co. Self-centering brush seal
US6250641B1 (en) 1998-11-25 2001-06-26 General Electric Co. Positive biased packing ring brush seal combination
JP2002536613A (ja) * 1999-02-11 2002-10-29 ゼネラル・エレクトリック・カンパニイ 円周方向変位を防止するクリップを有する可変クリアランス・パッキングリング
WO2001055625A1 (en) * 2000-01-31 2001-08-02 General Electric Company Self-centering brush seal
US6588764B2 (en) 2001-11-20 2003-07-08 Dresser-Rand Company Segmented labyrinth seal assembly and method
US6733233B2 (en) * 2002-04-26 2004-05-11 Pratt & Whitney Canada Corp. Attachment of a ceramic shroud in a metal housing
US8002285B2 (en) 2003-05-01 2011-08-23 Justak John F Non-contact seal for a gas turbine engine
US7938407B2 (en) * 2003-11-04 2011-05-10 Parker-Hannifin Corporation High temperature spring seals
US7216871B1 (en) * 2004-05-04 2007-05-15 Advanced Components & Materials, Inc. Non-contacting seal for rotating surfaces
US7413194B2 (en) * 2004-10-28 2008-08-19 Rolls-Royce Plc Pressure balanced annular seal
US20070120329A1 (en) 2005-11-29 2007-05-31 Chevrette Richard J Apparatus and method for steam turbine variable clearance packing
US7384235B2 (en) 2006-04-07 2008-06-10 General Electric Company Variable clearance positive pressure packing ring and carrier arrangement with leaf springs

Also Published As

Publication number Publication date
JP2012117671A (ja) 2012-06-21
US20120133101A1 (en) 2012-05-31
DE102011055836A1 (de) 2012-05-31
US8628092B2 (en) 2014-01-14
FR2968032B1 (fr) 2017-09-08
RU2598620C2 (ru) 2016-09-27
FR2968032A1 (fr) 2012-06-01
RU2011149183A (ru) 2013-06-10

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