IT1126488B - Tenuta di turbomotore a gas e metodo per fare la medesima - Google Patents

Tenuta di turbomotore a gas e metodo per fare la medesima

Info

Publication number
IT1126488B
IT1126488B IT7927878A IT2787879A IT1126488B IT 1126488 B IT1126488 B IT 1126488B IT 7927878 A IT7927878 A IT 7927878A IT 2787879 A IT2787879 A IT 2787879A IT 1126488 B IT1126488 B IT 1126488B
Authority
IT
Italy
Prior art keywords
seal
making
same
turbo engine
gas turbo
Prior art date
Application number
IT7927878A
Other languages
English (en)
Other versions
IT7927878A0 (it
Inventor
John Stephen Bradley
Alan Willard Dix
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 IT7927878A0 publication Critical patent/IT7927878A0/it
Application granted granted Critical
Publication of IT1126488B publication Critical patent/IT1126488B/it

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/002—Manufacture of articles essentially made from metallic fibres
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material
    • Y10S277/936—Composite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Gasket Seals (AREA)
IT7927878A 1978-12-15 1979-12-07 Tenuta di turbomotore a gas e metodo per fare la medesima IT1126488B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/969,915 US4257735A (en) 1978-12-15 1978-12-15 Gas turbine engine seal and method for making same

Publications (2)

Publication Number Publication Date
IT7927878A0 IT7927878A0 (it) 1979-12-07
IT1126488B true IT1126488B (it) 1986-05-21

Family

ID=25516171

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7927878A IT1126488B (it) 1978-12-15 1979-12-07 Tenuta di turbomotore a gas e metodo per fare la medesima

Country Status (8)

Country Link
US (1) US4257735A (it)
JP (1) JPS55101733A (it)
CA (1) CA1128866A (it)
DE (1) DE2950150A1 (it)
FR (1) FR2444162B1 (it)
GB (1) GB2042928B (it)
IL (1) IL58400A (it)
IT (1) IT1126488B (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087986B (en) * 1980-11-25 1984-08-30 Rolls Royce Magnetic seal
US4586717A (en) * 1980-12-24 1986-05-06 Conoco Inc. Throttling bushing for shaft seal
US4422648A (en) * 1982-06-17 1983-12-27 United Technologies Corporation Ceramic faced outer air seal for gas turbine engines
US4460185A (en) * 1982-08-23 1984-07-17 General Electric Company Seal including a non-metallic abradable material
DE3579684D1 (de) * 1984-12-24 1990-10-18 United Technologies Corp Abschleifbare dichtung mit besonderem erosionswiderstand.
US4754984A (en) * 1987-01-02 1988-07-05 The United States Of America As Represented By The Secretary Of The Navy Dual-seal-ring shaft seal
JPH01310670A (ja) * 1988-06-08 1989-12-14 Ootone Bussan:Kk ティッシュペーパ
US4989886A (en) * 1988-12-30 1991-02-05 Textron Inc. Braided filamentary sealing element
DE4130946C1 (it) * 1991-09-18 1992-09-03 Mtu Muenchen Gmbh
DE19750516A1 (de) * 1997-11-14 1999-05-20 Asea Brown Boveri Abreibbare Dichtung
DE19848104A1 (de) 1998-10-19 2000-04-20 Asea Brown Boveri Turbinenschaufel
US6203273B1 (en) 1998-12-22 2001-03-20 United Technologies Corporation Rotary machine
US6148518A (en) * 1998-12-22 2000-11-21 United Technologies Corporation Method of assembling a rotary machine
JP2000192173A (ja) * 1998-12-23 2000-07-11 United Technol Corp <Utc> 摩耗性材料および摩耗性被覆を有する金属製部品
SG90198A1 (en) * 1999-12-23 2002-07-23 United Technologies Corp Composite abradable material
US6334617B1 (en) * 2000-03-02 2002-01-01 United Technologies Corporation Composite abradable material
EP1152124A1 (de) 2000-05-04 2001-11-07 Siemens Aktiengesellschaft Dichtungsanordnung
JP4496650B2 (ja) * 2001-01-10 2010-07-07 富士電機システムズ株式会社 蒸気タービン
US6887530B2 (en) * 2002-06-07 2005-05-03 Sulzer Metco (Canada) Inc. Thermal spray compositions for abradable seals
US6808756B2 (en) * 2003-01-17 2004-10-26 Sulzer Metco (Canada) Inc. Thermal spray composition and method of deposition for abradable seals
WO2004113770A2 (en) * 2003-06-20 2004-12-29 Elliott Company Swirl-reversal abradable labyrinth seal
WO2004113771A2 (en) * 2003-06-20 2004-12-29 Elliott Company Hybrid abradable labyrinth damper seal
US8020875B2 (en) * 2006-02-21 2011-09-20 United Technologies Corporation Turbine friendly abradable material
US20070197719A1 (en) * 2006-02-21 2007-08-23 United Technologies Corporation Turbine friendly abradable material
GB0613715D0 (en) 2006-07-11 2006-08-23 Rolls Royce Plc A seal between relatively moveable members
US8205335B2 (en) * 2007-06-12 2012-06-26 United Technologies Corporation Method of repairing knife edge seals
US8001669B2 (en) * 2007-09-27 2011-08-23 United Technologies Corporation Pressurized cleaning of a turbine engine component
JP4668976B2 (ja) * 2007-12-04 2011-04-13 株式会社日立製作所 蒸気タービンのシール構造
JP5101317B2 (ja) * 2008-01-25 2012-12-19 三菱重工業株式会社 シール構造
DE102008019890A1 (de) * 2008-04-21 2009-10-22 Mtu Aero Engines Gmbh Dichtungsanordnung
US20100050649A1 (en) * 2008-09-04 2010-03-04 Allen David B Combustor device and transition duct assembly
GB0822416D0 (en) * 2008-12-10 2009-01-14 Rolls Royce Plc A seal and a method of manufacturing a seal
DE102009016803A1 (de) * 2009-04-09 2010-10-14 Rolls-Royce Deutschland Ltd & Co Kg Labyrinth-Anstreifdichtung für eine Strömungsmaschine
WO2011059052A1 (ja) 2009-11-13 2011-05-19 株式会社Ihi 流体機器のシール構造
JP5087147B2 (ja) * 2011-01-13 2012-11-28 株式会社日立製作所 蒸気タービン
US20130017070A1 (en) * 2011-07-13 2013-01-17 General Electric Company Turbine seal, turbine, and process of fabricating a turbine seal
US9322478B2 (en) * 2012-07-31 2016-04-26 General Electric Company Seal system and method for rotary machine
US20140037970A1 (en) * 2012-08-03 2014-02-06 General Electric Company Reinforced articles and methods of making the same
DE102013223585A1 (de) 2013-11-19 2015-06-03 MTU Aero Engines AG Einlaufbelag auf Basis von Metallfasern
EP2886801B1 (en) * 2013-12-20 2019-04-24 Ansaldo Energia IP UK Limited Seal system for a gas turbine and corresponding gas turbine
EP3037570B1 (en) * 2014-12-15 2019-08-21 United Technologies Corporation Method of forming a seal coating
FR3085180B1 (fr) * 2018-08-24 2020-11-27 Safran Aircraft Engines Ensemble aubage pour stator de turbine de turbomachine comprenant des nervures d'etancheite inclinees
US11555410B2 (en) * 2020-02-17 2023-01-17 Pratt & Whitney Canada Corp. Labyrinth seal with variable seal clearance
CN118103584A (zh) * 2022-05-17 2024-05-28 三菱重工业株式会社 轴封装置及旋转机械

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840343A (en) * 1955-10-14 1958-06-24 Jr David E Brandt Reduction of rotating tip clearance using segmented wear strips
GB851267A (en) * 1958-04-28 1960-10-12 Gen Motors Corp Improvements relating to axial-flow compressors
US3053694A (en) * 1961-02-20 1962-09-11 Gen Electric Abradable material
FR1546474A (fr) * 1966-03-11 1968-11-22 Gen Electric Matrice d'étanchéité
US3346175A (en) * 1966-04-01 1967-10-10 Gen Motors Corp Plastic coating for compressors
US3547455A (en) * 1969-05-02 1970-12-15 Gen Electric Rotary seal including organic abradable material
US3575427A (en) * 1969-11-03 1971-04-20 United Aircraft Corp Composite abradable seal
US3701536A (en) * 1970-05-19 1972-10-31 Garrett Corp Labyrinth seal
US3836156A (en) * 1971-07-19 1974-09-17 United Aircraft Canada Ablative seal
US3825364A (en) * 1972-06-09 1974-07-23 Gen Electric Porous abradable turbine shroud
CH589221A5 (it) * 1973-06-29 1977-06-30 Bbc Brown Boveri & Cie
US4149823A (en) * 1973-06-29 1979-04-17 Bbc Brown, Boveri & Company Limited Method of maintaining optimum minimum operating clearance between rotor and stator components of fluid-flow machines
US4139376A (en) * 1974-02-28 1979-02-13 Brunswick Corporation Abradable seal material and composition thereof
GB1512811A (en) * 1974-02-28 1978-06-01 Brunswick Corp Abradable seal material and composition thereof
US4135851A (en) * 1977-05-27 1979-01-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Composite seal for turbomachinery

Also Published As

Publication number Publication date
IL58400A (en) 1981-09-13
FR2444162A1 (fr) 1980-07-11
FR2444162B1 (fr) 1986-06-27
JPS55101733A (en) 1980-08-04
IT7927878A0 (it) 1979-12-07
US4257735A (en) 1981-03-24
GB2042928B (en) 1983-02-23
GB2042928A (en) 1980-10-01
DE2950150A1 (de) 1980-06-26
CA1128866A (en) 1982-08-03
JPS6250654B2 (it) 1987-10-26
DE2950150C2 (it) 1990-01-11
IL58400A0 (en) 1980-01-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19921216