CH701917A2 - Verfahren zum Erzeugen einer magnetischen Dichtung in einer Rotationsmaschine. - Google Patents

Verfahren zum Erzeugen einer magnetischen Dichtung in einer Rotationsmaschine. Download PDF

Info

Publication number
CH701917A2
CH701917A2 CH01458/10A CH14582010A CH701917A2 CH 701917 A2 CH701917 A2 CH 701917A2 CH 01458/10 A CH01458/10 A CH 01458/10A CH 14582010 A CH14582010 A CH 14582010A CH 701917 A2 CH701917 A2 CH 701917A2
Authority
CH
Switzerland
Prior art keywords
component
magnetic
seal
magnetic seal
gap
Prior art date
Application number
CH01458/10A
Other languages
German (de)
English (en)
Inventor
Andres Jose Garcia-Crespo
Gary Charles Liotta
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH701917A2 publication Critical patent/CH701917A2/de

Links

Classifications

    • 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
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/32—Retaining components in desired mutual position by means of magnetic or electromagnetic forces
    • 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
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49297—Seal or packing making
    • 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
    • Y10T29/49826—Assembling or joining

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CH01458/10A 2009-09-17 2010-09-10 Verfahren zum Erzeugen einer magnetischen Dichtung in einer Rotationsmaschine. CH701917A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/561,496 US8317459B2 (en) 2009-09-17 2009-09-17 Systems, methods, and apparatus for providing a magnetic seal

Publications (1)

Publication Number Publication Date
CH701917A2 true CH701917A2 (de) 2011-03-31

Family

ID=43603636

Family Applications (1)

Application Number Title Priority Date Filing Date
CH01458/10A CH701917A2 (de) 2009-09-17 2010-09-10 Verfahren zum Erzeugen einer magnetischen Dichtung in einer Rotationsmaschine.

Country Status (5)

Country Link
US (1) US8317459B2 (cg-RX-API-DMAC7.html)
JP (1) JP2011064325A (cg-RX-API-DMAC7.html)
CN (1) CN102022141B (cg-RX-API-DMAC7.html)
CH (1) CH701917A2 (cg-RX-API-DMAC7.html)
DE (1) DE102010037298A1 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4856257B2 (ja) * 2010-03-24 2012-01-18 川崎重工業株式会社 タービンロータのシール構造
US9360118B2 (en) * 2011-02-03 2016-06-07 Eagle Industry Co., Ltd. Magnetic fluid seal
EP2716943B1 (en) * 2012-10-02 2016-08-31 Siemens Aktiengesellschaft Sealing arrangement, use of a sealing arrangement and turbo machinery
CN105386975A (zh) * 2015-12-03 2016-03-09 倪前悦 一种电磁强化蒸汽压缩机的密封装置
EP3339581A1 (en) * 2016-12-22 2018-06-27 Ansaldo Energia S.p.A. Sealing system for a rotating machine
CN113090339B (zh) * 2021-04-08 2022-08-02 沈阳航空航天大学 基于磁吸效应的主动间隙控制刷式密封结构
FR3153846A1 (fr) * 2023-10-05 2025-04-11 Safran Aircraft Engines Ensemble de turbomachine comprenant des moyens de detection de l’usure d’un materiau abradable et turbomachine comprenant un tel ensemble

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808331A1 (de) * 1988-03-12 1989-09-28 Kernforschungsanlage Juelich Magnetische lagerung mit permanentmagneten zur aufnahme der radialen lagerkraefte
US5029876A (en) * 1988-12-14 1991-07-09 General Electric Company Labyrinth seal system
US5040956A (en) * 1989-12-18 1991-08-20 Carrier Corporation Magnetically actuated seal for scroll compressor
US5749584A (en) 1992-11-19 1998-05-12 General Electric Company Combined brush seal and labyrinth seal segment for rotary machines
US6131910A (en) * 1992-11-19 2000-10-17 General Electric Co. Brush seals and combined labyrinth and brush seals for rotary machines
US5613829A (en) * 1996-05-03 1997-03-25 General Electric Company Gas turbine subassembly having a brush seal
US5749854A (en) * 1996-06-11 1998-05-12 Shen; Chung-Shan Pneumatic controlled infusion device
GB2372298B (en) * 1998-04-17 2002-09-25 Rolls Royce Plc A seal arrangement
US6257588B1 (en) * 1998-09-22 2001-07-10 General Electric Company Brush seal and rotary machine including such brush seal
US6451132B1 (en) * 1999-01-06 2002-09-17 University Of Dayton High temperature permanent magnets
CN2422475Y (zh) * 1999-09-02 2001-03-07 张洪良 离心泵轴负压石墨磁密封装置
US6739094B1 (en) * 2000-09-22 2004-05-25 Cooper Technology Services, Llc Seal with compliant magnetic appendage
US6527274B2 (en) * 2000-12-13 2003-03-04 General Electric Company Turbine rotor-stator leaf seal and related method

Also Published As

Publication number Publication date
US8317459B2 (en) 2012-11-27
CN102022141B (zh) 2013-11-06
DE102010037298A1 (de) 2011-03-24
JP2011064325A (ja) 2011-03-31
US20110062671A1 (en) 2011-03-17
CN102022141A (zh) 2011-04-20

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