GB2443117B - A seal arrangement - Google Patents

A seal arrangement

Info

Publication number
GB2443117B
GB2443117B GB0801091A GB0801091A GB2443117B GB 2443117 B GB2443117 B GB 2443117B GB 0801091 A GB0801091 A GB 0801091A GB 0801091 A GB0801091 A GB 0801091A GB 2443117 B GB2443117 B GB 2443117B
Authority
GB
United Kingdom
Prior art keywords
seal arrangement
seal
arrangement
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
GB0801091A
Other versions
GB2443117A (en
GB0801091D0 (en
Inventor
Guy James Rushton
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB0801091A priority Critical patent/GB2443117B/en
Priority claimed from GB0329615A external-priority patent/GB2409247A/en
Publication of GB0801091D0 publication Critical patent/GB0801091D0/en
Publication of GB2443117A publication Critical patent/GB2443117A/en
Application granted granted Critical
Publication of GB2443117B publication Critical patent/GB2443117B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • 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
    • 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
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • 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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • 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
    • F16J15/443—Free-space packings provided with discharge channels
    • 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
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/323—Arrangement of components according to their shape convergent
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/324—Arrangement of components according to their shape divergent

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)
GB0801091A 2003-12-20 2003-12-20 A seal arrangement Expired - Fee Related GB2443117B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0801091A GB2443117B (en) 2003-12-20 2003-12-20 A seal arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0801091A GB2443117B (en) 2003-12-20 2003-12-20 A seal arrangement
GB0329615A GB2409247A (en) 2003-12-20 2003-12-20 A seal arrangement

Publications (3)

Publication Number Publication Date
GB0801091D0 GB0801091D0 (en) 2008-02-27
GB2443117A GB2443117A (en) 2008-04-23
GB2443117B true GB2443117B (en) 2008-08-13

Family

ID=39166119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0801091A Expired - Fee Related GB2443117B (en) 2003-12-20 2003-12-20 A seal arrangement

Country Status (1)

Country Link
GB (1) GB2443117B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11293295B2 (en) 2019-09-13 2022-04-05 Pratt & Whitney Canada Corp. Labyrinth seal with angled fins

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2119874A1 (en) * 2008-05-15 2009-11-18 ALSTOM Technology Ltd Continuous-flow machine, in particular a turbine or compressor
GB201309769D0 (en) 2013-05-31 2013-07-17 Cummins Ltd A seal assembly
ITUB20160240A1 (en) * 2016-01-20 2017-07-20 Turboden Srl METHOD AND DEVICE TO REDUCE THE LEAKAGES OF TRAFILATION IN A TURBINE
BR102017009824B1 (en) * 2017-05-10 2023-12-19 Fmc Technologies Do Brasil Ltda SYSTEM FOR GAS CIRCULATION IN ANNULAR SPACES OF ROTARY MACHINES
DE102020120902A1 (en) * 2020-08-07 2022-02-10 Universität Stuttgart Gasket, method of sealing a sealing side of a gasket and method of manufacturing a gasket

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855040A (en) * 1957-11-15 1960-11-30 Power Jets Res & Dev Ltd Sealing arrangement
GB1207544A (en) * 1968-03-05 1970-10-07 Gen Motors Corp Labyrinth seal
US3645544A (en) * 1968-08-27 1972-02-29 English Electric Co Ltd Seal primarily for a turbine
US4311431A (en) * 1978-11-08 1982-01-19 Teledyne Industries, Inc. Turbine engine with shroud cooling means
JPS58152975A (en) * 1982-03-03 1983-09-10 Hitachi Ltd Shaft sealing device
JPS63205404A (en) * 1987-02-20 1988-08-24 Toshiba Corp Leakage preventing device for axial flow turbine
US6276692B1 (en) * 1998-07-14 2001-08-21 Asea Brown Boveri Ag Non-contact sealing of gaps in gas turbines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855040A (en) * 1957-11-15 1960-11-30 Power Jets Res & Dev Ltd Sealing arrangement
GB1207544A (en) * 1968-03-05 1970-10-07 Gen Motors Corp Labyrinth seal
US3645544A (en) * 1968-08-27 1972-02-29 English Electric Co Ltd Seal primarily for a turbine
US4311431A (en) * 1978-11-08 1982-01-19 Teledyne Industries, Inc. Turbine engine with shroud cooling means
JPS58152975A (en) * 1982-03-03 1983-09-10 Hitachi Ltd Shaft sealing device
JPS63205404A (en) * 1987-02-20 1988-08-24 Toshiba Corp Leakage preventing device for axial flow turbine
US6276692B1 (en) * 1998-07-14 2001-08-21 Asea Brown Boveri Ag Non-contact sealing of gaps in gas turbines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11293295B2 (en) 2019-09-13 2022-04-05 Pratt & Whitney Canada Corp. Labyrinth seal with angled fins

Also Published As

Publication number Publication date
GB2443117A (en) 2008-04-23
GB0801091D0 (en) 2008-02-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20201220