CA2591249A1 - Presse-garniture a labyrinthe a aspiration - Google Patents

Presse-garniture a labyrinthe a aspiration Download PDF

Info

Publication number
CA2591249A1
CA2591249A1 CA 2591249 CA2591249A CA2591249A1 CA 2591249 A1 CA2591249 A1 CA 2591249A1 CA 2591249 CA2591249 CA 2591249 CA 2591249 A CA2591249 A CA 2591249A CA 2591249 A1 CA2591249 A1 CA 2591249A1
Authority
CA
Canada
Prior art keywords
seal
sealing surface
primary sealing
axially
annular
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.)
Abandoned
Application number
CA 2591249
Other languages
English (en)
Inventor
William L. Herron
Joseph C. Albers
Christopher C. Glynn
Peter Crudgington
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
Individual
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
Priority claimed from US11/458,764 external-priority patent/US20080018054A1/en
Application filed by Individual filed Critical Individual
Publication of CA2591249A1 publication Critical patent/CA2591249A1/fr
Abandoned legal-status Critical Current

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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • F16J15/342—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with means for feeding fluid directly to the face
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of 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
    • F16J15/4476—Labyrinth packings with radial path
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CA 2591249 2006-06-10 2007-06-08 Presse-garniture a labyrinthe a aspiration Abandoned CA2591249A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80443206P 2006-06-10 2006-06-10
US60/804,432 2006-06-10
US11/458,764 2006-07-20
US11/458,764 US20080018054A1 (en) 2006-07-20 2006-07-20 Aspirating labyrinth seal

Publications (1)

Publication Number Publication Date
CA2591249A1 true CA2591249A1 (fr) 2007-12-10

Family

ID=38663995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2591249 Abandoned CA2591249A1 (fr) 2006-06-10 2007-06-08 Presse-garniture a labyrinthe a aspiration

Country Status (5)

Country Link
JP (1) JP2008038898A (fr)
CA (1) CA2591249A1 (fr)
DE (1) DE102007027364A1 (fr)
FR (1) FR2902172A1 (fr)
RU (1) RU2007121952A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110229311A1 (en) * 2007-07-30 2011-09-22 Kripa Varanasi Seal assembly
US8105021B2 (en) 2007-08-20 2012-01-31 United Technologies Corp. Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals
US8109716B2 (en) 2007-08-17 2012-02-07 United Technologies Corp. Gas turbine engine systems involving hydrostatic face seals with anti-fouling provisioning
US7797941B2 (en) 2007-10-26 2010-09-21 United Technologies Corporation Gas turbine engine systems involving hydrostatic face seals
FR2943094B1 (fr) * 2009-03-12 2014-04-11 Snecma Element de rotor avec un passage de fluide et un element d'obturation du passage, turbomachine comportant l'element de rotor.
DE102010005421B4 (de) 2010-01-22 2015-01-08 Lufthansa Technik Ag Vorrichtung und Verfahren zur Reinigung einer Stirndichtung eines Strahltriebwerks
US20120251290A1 (en) * 2011-03-31 2012-10-04 General Electric Company Aspirating face seal, and a related method thereof
US9291067B2 (en) * 2013-11-11 2016-03-22 General Electric Company Rotary machine aspirating seal assembly and method of assembling the same
US10808612B2 (en) * 2015-05-29 2020-10-20 Raytheon Technologies Corporation Retaining tab for diffuser seal ring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5284347A (en) * 1991-03-25 1994-02-08 General Electric Company Gas bearing sealing means
US6758477B2 (en) * 2002-03-26 2004-07-06 General Electric Company Aspirating face seal with axially biasing one piece annular spring
US6719296B2 (en) * 2002-07-12 2004-04-13 General Electric Company Seal for a rotating member

Also Published As

Publication number Publication date
JP2008038898A (ja) 2008-02-21
FR2902172A1 (fr) 2007-12-14
DE102007027364A1 (de) 2007-12-13
RU2007121952A (ru) 2008-12-20

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Legal Events

Date Code Title Description
FZDE Dead