GB2460745A - Sealing systems for rotary machines - Google Patents

Sealing systems for rotary machines Download PDF

Info

Publication number
GB2460745A
GB2460745A GB0909473A GB0909473A GB2460745A GB 2460745 A GB2460745 A GB 2460745A GB 0909473 A GB0909473 A GB 0909473A GB 0909473 A GB0909473 A GB 0909473A GB 2460745 A GB2460745 A GB 2460745A
Authority
GB
United Kingdom
Prior art keywords
sealing device
hydrogen
rotor
cavity
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.)
Withdrawn
Application number
GB0909473A
Other languages
English (en)
Other versions
GB0909473D0 (en
Inventor
Eric John Ruggiero
Nitin Bhate
Daniel James Fitzmorris
Anthony James George
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 GB0909473D0 publication Critical patent/GB0909473D0/en
Publication of GB2460745A publication Critical patent/GB2460745A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • 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
    • 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
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/57—Seals
    • F05B2240/571—Brush seals
    • 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
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)
GB0909473A 2008-06-09 2009-06-03 Sealing systems for rotary machines Withdrawn GB2460745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/135,379 US20090302543A1 (en) 2008-06-09 2008-06-09 Sealing systems for rotary machines and methods for modification

Publications (2)

Publication Number Publication Date
GB0909473D0 GB0909473D0 (en) 2009-07-15
GB2460745A true GB2460745A (en) 2009-12-16

Family

ID=40902469

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0909473A Withdrawn GB2460745A (en) 2008-06-09 2009-06-03 Sealing systems for rotary machines

Country Status (5)

Country Link
US (2) US20090302543A1 (https=)
JP (1) JP2009296875A (https=)
KR (1) KR20090127819A (https=)
DE (1) DE102009025941A1 (https=)
GB (1) GB2460745A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481297A (en) * 2010-06-17 2011-12-21 Gen Electric Seal leakage and seal oil contamination detection in a generator
GB2487281A (en) * 2011-01-05 2012-07-18 Gen Electric Detecting generator seal leakage, seal clearance and seal alignment
CN102812209A (zh) * 2010-03-26 2012-12-05 斯奈克玛 涡轮喷气发动机油外壳的密封装置
US8564237B2 (en) 2010-06-17 2013-10-22 General Electric Company Seal leakage and seal oil contamination detection in generator

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110210513A1 (en) * 2010-02-26 2011-09-01 General Electric Company Non-metallic brush seal
JP2013240150A (ja) * 2012-05-11 2013-11-28 Hitachi Ltd 回転電機
FR2998922B1 (fr) * 2012-12-05 2018-06-15 Safran Aircraft Engines Etancheite d'enceintes de turbomachine realisee par joint a brosse et labyrinthe
JP2015115991A (ja) * 2013-12-09 2015-06-22 東芝三菱電機産業システム株式会社 回転電機
US9866092B2 (en) * 2014-05-19 2018-01-09 GM Global Technology Operations LLC Rotor and method of forming same
CN104863968B (zh) * 2014-12-04 2020-10-02 哈尔滨三源汽轮机设备制造有限责任公司 一种汽轮机组轴瓦挡油环
US11162591B2 (en) * 2016-03-10 2021-11-02 General Electric Company Seal ring assembly for a dynamoelectric machine
US11319836B2 (en) * 2019-08-14 2022-05-03 Pratt & Whitney Canada Corp. Lubricant drain conduit for gas turbine engine
CO2021005972U1 (es) * 2020-06-15 2021-05-20 Ramirez Nunez Gabriel Sistema de sellado para rodillos a prueba de intrusión de materiales externos, empleados en bandas de transportación de materiales a granel
CN111734827A (zh) * 2020-07-31 2020-10-02 浙江易普润滑设备制造有限公司 一种高效油雾密封装置及密封方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1215422A2 (en) * 2000-12-15 2002-06-19 General Electric Company A brush seal for a bearing cavity
US6464230B1 (en) * 2000-10-19 2002-10-15 General Electric Company Flexible magnetic rubber brush seal for generators
US6609888B1 (en) * 2000-04-24 2003-08-26 Watson Cogeneration Company Method and apparatus for reducing contamination in an axial compressor
US20050006851A1 (en) * 2003-07-09 2005-01-13 Addis Mark E. Brush seal with windage control
EP1995465A1 (en) * 2007-05-24 2008-11-26 General Electric Company Barrier sealing system for centrifugal compressors
GB2452040A (en) * 2007-08-20 2009-02-25 Gen Electric Brush sealing system using carbon bristles for use with rotary machines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131910A (en) * 1992-11-19 2000-10-17 General Electric Co. Brush seals and combined labyrinth and brush seals for rotary machines
US6027121A (en) * 1997-10-23 2000-02-22 General Electric Co. Combined brush/labyrinth seal for rotary machines
US6406027B1 (en) * 1999-07-22 2002-06-18 General Electric Company Brush seal and machine having a brush seal
US6572115B1 (en) * 2001-12-21 2003-06-03 General Electric Company Actuating seal for a rotary machine and method of retrofitting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6609888B1 (en) * 2000-04-24 2003-08-26 Watson Cogeneration Company Method and apparatus for reducing contamination in an axial compressor
US6464230B1 (en) * 2000-10-19 2002-10-15 General Electric Company Flexible magnetic rubber brush seal for generators
EP1215422A2 (en) * 2000-12-15 2002-06-19 General Electric Company A brush seal for a bearing cavity
US20050006851A1 (en) * 2003-07-09 2005-01-13 Addis Mark E. Brush seal with windage control
EP1995465A1 (en) * 2007-05-24 2008-11-26 General Electric Company Barrier sealing system for centrifugal compressors
GB2452040A (en) * 2007-08-20 2009-02-25 Gen Electric Brush sealing system using carbon bristles for use with rotary machines

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102812209A (zh) * 2010-03-26 2012-12-05 斯奈克玛 涡轮喷气发动机油外壳的密封装置
CN102812209B (zh) * 2010-03-26 2015-02-18 斯奈克玛 涡轮喷气发动机油外壳的密封装置
GB2481297A (en) * 2010-06-17 2011-12-21 Gen Electric Seal leakage and seal oil contamination detection in a generator
US8344676B2 (en) 2010-06-17 2013-01-01 General Electric Company Seal leakage and seal oil contamination detection in generator
US8564237B2 (en) 2010-06-17 2013-10-22 General Electric Company Seal leakage and seal oil contamination detection in generator
GB2481297B (en) * 2010-06-17 2017-11-15 Gen Electric Seal leakage and seal oil contamination detection in generator
GB2487281A (en) * 2011-01-05 2012-07-18 Gen Electric Detecting generator seal leakage, seal clearance and seal alignment
GB2487281B (en) * 2011-01-05 2017-10-25 Gen Electric Seal leakage and seal oil contamination detection in generator

Also Published As

Publication number Publication date
DE102009025941A1 (de) 2009-12-10
GB0909473D0 (en) 2009-07-15
US20090302543A1 (en) 2009-12-10
US20110072640A1 (en) 2011-03-31
JP2009296875A (ja) 2009-12-17
KR20090127819A (ko) 2009-12-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)