GB2301635B - Shaft seal arrangement - Google Patents

Shaft seal arrangement

Info

Publication number
GB2301635B
GB2301635B GB9507622A GB9507622A GB2301635B GB 2301635 B GB2301635 B GB 2301635B GB 9507622 A GB9507622 A GB 9507622A GB 9507622 A GB9507622 A GB 9507622A GB 2301635 B GB2301635 B GB 2301635B
Authority
GB
United Kingdom
Prior art keywords
shaft seal
seal arrangement
arrangement
shaft
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.)
Expired - Fee Related
Application number
GB9507622A
Other versions
GB9507622D0 (en
GB2301635A (en
Inventor
Philip David Hemsley
Charlotte Prendergast
Terry Cox
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.)
Alstom UK Ltd
Original Assignee
GEC Alsthom Ltd
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 GEC Alsthom Ltd filed Critical GEC Alsthom Ltd
Priority to GB9507622A priority Critical patent/GB2301635B/en
Publication of GB9507622D0 publication Critical patent/GB9507622D0/en
Publication of GB2301635A publication Critical patent/GB2301635A/en
Application granted granted Critical
Publication of GB2301635B publication Critical patent/GB2301635B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • 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
    • F16J15/441—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)
GB9507622A 1995-04-12 1995-04-12 Shaft seal arrangement Expired - Fee Related GB2301635B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9507622A GB2301635B (en) 1995-04-12 1995-04-12 Shaft seal arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9507622A GB2301635B (en) 1995-04-12 1995-04-12 Shaft seal arrangement

Publications (3)

Publication Number Publication Date
GB9507622D0 GB9507622D0 (en) 1995-05-31
GB2301635A GB2301635A (en) 1996-12-11
GB2301635B true GB2301635B (en) 1998-09-16

Family

ID=10772966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9507622A Expired - Fee Related GB2301635B (en) 1995-04-12 1995-04-12 Shaft seal arrangement

Country Status (1)

Country Link
GB (1) GB2301635B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031627A1 (en) 2002-10-03 2004-04-15 Alstom Technology Ltd Sealing arrangement using brush seals

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749584A (en) 1992-11-19 1998-05-12 General Electric Company Combined brush seal and labyrinth seal segment for rotary machines
US6131911A (en) * 1992-11-19 2000-10-17 General Electric Co. Brush seals and combined labyrinth and brush seals 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
US5474306A (en) 1992-11-19 1995-12-12 General Electric Co. Woven seal and hybrid cloth-brush seals for turbine applications
CA2205877A1 (en) * 1996-06-28 1997-12-28 General Electric Company Brush seals and combined labyrinth and brush seals for rotary machines
DE19639328A1 (en) * 1996-09-25 1998-03-26 Asea Brown Boveri Device for sealing a gap between the rotor and housing of a turbomachine
US6318728B1 (en) * 1997-07-11 2001-11-20 Demag Delaval Turbomachinery Corporation Brush-seal designs for elastic fluid turbines
US6027121A (en) * 1997-10-23 2000-02-22 General Electric Co. Combined brush/labyrinth seal for rotary machines
US6045134A (en) * 1998-02-04 2000-04-04 General Electric Co. Combined labyrinth and brush seals for rotary machines
US6139018A (en) * 1998-03-25 2000-10-31 General Electric Co. Positive pressure-actuated brush seal
US6168162B1 (en) 1998-08-05 2001-01-02 General Electric Co. Self-centering brush seal
US5971400A (en) * 1998-08-10 1999-10-26 General Electric Company Seal assembly and rotary machine containing such seal assembly
US6250641B1 (en) * 1998-11-25 2001-06-26 General Electric Co. Positive biased packing ring brush seal combination
US6170831B1 (en) * 1998-12-23 2001-01-09 United Technologies Corporation Axial brush seal for gas turbine engines
US6168377B1 (en) * 1999-01-27 2001-01-02 General Electric Co. Method and apparatus for eliminating thermal bowing of steam turbine rotors
WO2000047919A1 (en) * 1999-02-09 2000-08-17 General Electric Company Combined labyrinth and brush seals for rotary machines
US6286211B1 (en) 1999-03-24 2001-09-11 General Electric Company Method for making a brush-tooth seal
US6139019A (en) * 1999-03-24 2000-10-31 General Electric Company Seal assembly and rotary machine containing such seal
US7032903B1 (en) 1999-04-06 2006-04-25 Turbocare, Inc. Brush-seal designs for turbines and similar rotary apparatus
US6261057B1 (en) 1999-10-04 2001-07-17 General Electric Company Arrangement and method for accurately radially locating a turbine brush seal
US6308958B1 (en) 1999-10-12 2001-10-30 General Electric Company Arrangement and method for radially positioning a turbine brush seal
US6290232B1 (en) 1999-11-16 2001-09-18 General Electric Co. Rub-tolerant brush seal for turbine rotors and methods of installation
US6367806B1 (en) 1999-12-27 2002-04-09 General Electric Company Seal arrangement for a rotary machine such as a turbine
US6331006B1 (en) 2000-01-25 2001-12-18 General Electric Company Brush seal mounting in supporting groove using flat spring with bifurcated end
JP4624630B2 (en) * 2000-01-31 2011-02-02 ゼネラル・エレクトリック・カンパニイ Brush seal for steam turbine
EP1169587A1 (en) * 2000-02-01 2002-01-09 General Electric Company Positive biased packing ring brush seal combination
AU784434B2 (en) 2000-04-06 2006-03-30 Siemens Energy, Inc. Improved brush-seal designs for turbines and similar rotary apparatus
US6378873B1 (en) 2000-06-02 2002-04-30 General Electric Company Low flow fluid film seal for hydrogen cooled generators
WO2002023069A2 (en) 2000-09-14 2002-03-21 Turbocare, Inc. Floating brush seal optionally disposed in labyrinth seal
US6464230B1 (en) 2000-10-19 2002-10-15 General Electric Company Flexible magnetic rubber brush seal for generators
US6502824B2 (en) 2000-12-15 2003-01-07 General Electric Company Brush seal for a bearing cavity
JP2002257242A (en) * 2001-02-27 2002-09-11 Mitsubishi Heavy Ind Ltd Shaft seal for rotary machine
US6550777B2 (en) 2001-06-19 2003-04-22 General Electric Company Split packing ring segment for a brush seal insert in a rotary machine
US6589012B2 (en) 2001-09-24 2003-07-08 General Electric Company Method and apparatus for eliminating thermal bowing using brush seals in the diaphragm packing area of steam turbines
EP1734230A1 (en) * 2005-06-13 2006-12-20 Siemens Aktiengesellschaft Turbomachine
EP1744015A1 (en) 2005-07-14 2007-01-17 Siemens Aktiengesellschaft Mounting of a sealing segment in the stator vane root
FR2999236A1 (en) * 2012-12-12 2014-06-13 Snecma Seal device for e.g. double-flow turbojet of aircraft, has intermediate part mounted on support part to define clearance between intermediate part and support part to allow thermal expansion of intermediate part and sealing part
CN105570460A (en) * 2014-10-16 2016-05-11 曹正奉 Zero clearance oil seal assembly
KR101695107B1 (en) 2015-12-14 2017-01-10 두산중공업 주식회사 Structure for turbine's sealing
GB201720944D0 (en) 2017-12-15 2018-01-31 Rolls Royce Plc Rotor bow management
DE102021129985A1 (en) 2021-11-17 2023-05-17 MTU Aero Engines AG Brush seal with rub-tolerant back-up ring structure

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191825A (en) * 1986-06-18 1987-12-23 Rolls Royce Plc Brush seals
GB2198195A (en) * 1986-12-06 1988-06-08 Rolls Royce Plc Brush seal
SU1539331A1 (en) * 1987-07-21 1990-01-30 Производственное Объединение Атомного Турбостроения "Харьковский Турбинный Завод" Им.С.М.Кирова Over-rim seal of turbomachine
US5074748A (en) * 1990-07-30 1991-12-24 General Electric Company Seal assembly for segmented turbine engine structures
GB2250789A (en) * 1990-12-12 1992-06-17 Rolls Royce Plc Brush seal arrangement
US5181728A (en) * 1991-09-23 1993-01-26 General Electric Company Trenched brush seal
WO1993003299A1 (en) * 1991-08-01 1993-02-18 Cross Manufacturing Company (1938) Limited Brush seal assembly
US5318309A (en) * 1992-05-11 1994-06-07 General Electric Company Brush seal

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191825A (en) * 1986-06-18 1987-12-23 Rolls Royce Plc Brush seals
GB2198195A (en) * 1986-12-06 1988-06-08 Rolls Royce Plc Brush seal
SU1539331A1 (en) * 1987-07-21 1990-01-30 Производственное Объединение Атомного Турбостроения "Харьковский Турбинный Завод" Им.С.М.Кирова Over-rim seal of turbomachine
US5074748A (en) * 1990-07-30 1991-12-24 General Electric Company Seal assembly for segmented turbine engine structures
GB2250789A (en) * 1990-12-12 1992-06-17 Rolls Royce Plc Brush seal arrangement
WO1993003299A1 (en) * 1991-08-01 1993-02-18 Cross Manufacturing Company (1938) Limited Brush seal assembly
US5181728A (en) * 1991-09-23 1993-01-26 General Electric Company Trenched brush seal
US5318309A (en) * 1992-05-11 1994-06-07 General Electric Company Brush seal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031627A1 (en) 2002-10-03 2004-04-15 Alstom Technology Ltd Sealing arrangement using brush seals

Also Published As

Publication number Publication date
GB9507622D0 (en) 1995-05-31
GB2301635A (en) 1996-12-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040412