IT1236053B - Tenuta abradibile specialmente per turbina. - Google Patents

Tenuta abradibile specialmente per turbina.

Info

Publication number
IT1236053B
IT1236053B IT8322599A IT2259983A IT1236053B IT 1236053 B IT1236053 B IT 1236053B IT 8322599 A IT8322599 A IT 8322599A IT 2259983 A IT2259983 A IT 2259983A IT 1236053 B IT1236053 B IT 1236053B
Authority
IT
Italy
Prior art keywords
abradible
turbine
seal especially
seal
abradible seal
Prior art date
Application number
IT8322599A
Other languages
English (en)
Other versions
IT8322599A0 (it
Inventor
Ferdinand Grandey Max
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 IT8322599A0 publication Critical patent/IT8322599A0/it
Application granted granted Critical
Publication of IT1236053B publication Critical patent/IT1236053B/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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • Y10S277/944—Elastomer or plastic
    • Y10S277/945—Containing fluorine
    • Y10S277/946—PTFE

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
IT8322599A 1982-08-23 1983-08-22 Tenuta abradibile specialmente per turbina. IT1236053B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/410,783 US4460185A (en) 1982-08-23 1982-08-23 Seal including a non-metallic abradable material

Publications (2)

Publication Number Publication Date
IT8322599A0 IT8322599A0 (it) 1983-08-22
IT1236053B true IT1236053B (it) 1992-12-22

Family

ID=23626197

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8322599A IT1236053B (it) 1982-08-23 1983-08-22 Tenuta abradibile specialmente per turbina.

Country Status (8)

Country Link
US (1) US4460185A (it)
JP (1) JPS5963306A (it)
CA (1) CA1228615A (it)
DE (1) DE3326852A1 (it)
FR (1) FR2532029B1 (it)
GB (1) GB2126290B (it)
IT (1) IT1236053B (it)
NL (1) NL8302889A (it)

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DE3316535A1 (de) * 1983-05-06 1984-11-08 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Turboverdichter mit einlaufbelag
GB8907695D0 (en) * 1989-04-05 1989-05-17 Cross Mfg Co Seals
JPH0322174U (it) * 1989-07-17 1991-03-06
US5143511A (en) * 1990-09-28 1992-09-01 Lamson Corporation Regenerative centrifugal compressor
CH682589A5 (de) * 1990-12-28 1993-10-15 Gerhard Renz Fried Meysen Thom Abdichtung.
JPH04133074U (ja) * 1991-05-31 1992-12-10 三菱重工業株式会社 アブレダブルシール構造
US5304032A (en) * 1991-07-22 1994-04-19 Bosna Alexander A Abradable non-metallic seal for rotating turbine engines
US5388959A (en) * 1993-08-23 1995-02-14 General Electric Company Seal including a non-metallic abradable material
US5472315A (en) * 1993-11-09 1995-12-05 Sundstrand Corporation Abradable coating in a gas turbine engine
US5662757A (en) * 1994-10-17 1997-09-02 General Electric Company Method of removing an abradable shroud assembly for turbomachinery
DE59803721D1 (de) * 1998-02-05 2002-05-16 Sulzer Markets & Technology Ag Beschichteter Gusskörper
US6170983B1 (en) 1998-05-15 2001-01-09 Germanow-Simon Corporation Thermometer calibrator
SG72959A1 (en) 1998-06-18 2000-05-23 United Technologies Corp Article having durable ceramic coating with localized abradable portion
SG88799A1 (en) * 1999-12-17 2002-05-21 United Technologies Corp Abradable seal having improved properties
DE10047307A1 (de) * 2000-09-25 2002-08-01 Alstom Switzerland Ltd Dichtungsanordnung
DE10140742B4 (de) * 2000-12-16 2015-02-12 Alstom Technology Ltd. Vorrichtung zur Dichtspaltreduzierung zwischen einer rotierenden und einer stationären Komponente innerhalb einer axial durchströmten Strömungsmaschine
US6652226B2 (en) 2001-02-09 2003-11-25 General Electric Co. Methods and apparatus for reducing seal teeth wear
US6499742B1 (en) * 2001-08-20 2002-12-31 General Electric Company Brush seal assembly and method of using brush seal assembly
US6899339B2 (en) * 2001-08-30 2005-05-31 United Technologies Corporation Abradable seal having improved durability
GB2385378B (en) * 2002-02-14 2005-08-31 Rolls Royce Plc Engine casing
US6916529B2 (en) * 2003-01-09 2005-07-12 General Electric Company High temperature, oxidation-resistant abradable coatings containing microballoons and method for applying same
FR2854198B1 (fr) * 2003-04-22 2005-06-24 Snecma Services Procede pour remplacer un abradable sur le carter de soufflante d'un turboreacteur
US7001145B2 (en) * 2003-11-20 2006-02-21 General Electric Company Seal assembly for turbine, bucket/turbine including same, method for sealing interface between rotating and stationary components of a turbine
DE102004044803A1 (de) * 2004-09-16 2006-03-30 WINKLER + DüNNEBIER AG Sich selbst einstellende Spaltdichtung zwischen zwei sich gegeneinander beweglicher Bauteile
GB2419638A (en) * 2004-10-26 2006-05-03 Rolls Royce Plc Compressor casing with an abradable lining and surge control grooves
US7025356B1 (en) 2004-12-20 2006-04-11 Pratt & Whitney Canada Corp. Air-oil seal
US8391102B2 (en) * 2005-08-26 2013-03-05 Westerngeco L.L.C. Automatic systems and methods for positioning marine seismic equipment
US20070132193A1 (en) * 2005-12-13 2007-06-14 Wolfe Christopher E Compliant abradable sealing system and method for rotary machines
US20070137039A1 (en) * 2005-12-20 2007-06-21 General Electric Company Methods and apparatus for coupling honeycomb seals to gas turbine engine components
WO2007089178A1 (en) * 2006-02-02 2007-08-09 Volvo Aero Corporation A compressor-equipped engine
GB0613715D0 (en) * 2006-07-11 2006-08-23 Rolls Royce Plc A seal between relatively moveable members
US20080073855A1 (en) * 2006-08-31 2008-03-27 Richard Ivakitch Sleeve and housing assembly and method of adhesively bonding sleeve to housing
US8205335B2 (en) * 2007-06-12 2012-06-26 United Technologies Corporation Method of repairing knife edge seals
US20090038739A1 (en) 2007-08-09 2009-02-12 United Technologies Corporation Replacement of a lubricant layer bonded to a part of a gas turbine engine
EP2202264B1 (fr) * 2008-12-24 2018-04-18 Safran Aero Boosters SA Procédé de fabrication par moulage d'un élément structurel de machine avec une surface abradable
DE102009016803A1 (de) * 2009-04-09 2010-10-14 Rolls-Royce Deutschland Ltd & Co Kg Labyrinth-Anstreifdichtung für eine Strömungsmaschine
JP5411569B2 (ja) * 2009-05-01 2014-02-12 株式会社日立製作所 シール構造とその制御方法
US8172519B2 (en) * 2009-05-06 2012-05-08 General Electric Company Abradable seals
US8910947B2 (en) * 2010-03-30 2014-12-16 United Technologies Corporation Method of forming a seal element
US8657296B1 (en) 2011-10-26 2014-02-25 Engineered Seal Products, Inc. Radial shaft seal
EP2586989B1 (fr) * 2011-10-27 2015-04-29 Techspace Aero S.A. Virole composite co-injectée de compresseur de turbomachine axiale
JP5989371B2 (ja) * 2012-03-24 2016-09-07 日本バルカー工業株式会社 配管シール用フッ素樹脂製ガスケット
FR2991374B1 (fr) * 2012-06-04 2016-04-08 Snecma Paroi stator de turbomachine recouverte d'un revetement abradable
US9322288B2 (en) 2012-11-29 2016-04-26 United Technologies Corporation Pressure seal with non-metallic wear surfaces
FR3007063B1 (fr) * 2013-06-13 2015-07-03 Composite Ind Piece de materiau abradable pour la fabrication d'un secteur de joint annulaire abradable pour turbomachine et procede de fabrication d'une telle piece
DE102013224199A1 (de) * 2013-11-27 2015-05-28 MTU Aero Engines AG Gasturbinen-Laufschaufel
US10030532B2 (en) * 2015-04-22 2018-07-24 United Technologies Corporation Abradable seal with thermally conductive microspheres
FR3040445B1 (fr) * 2015-08-25 2020-02-28 Safran Aircraft Engines Piece thermomecanique annulaire pour turbomachine
US10408075B2 (en) * 2016-08-16 2019-09-10 General Electric Company Turbine engine with a rim seal between the rotor and stator
US11149853B2 (en) * 2018-05-15 2021-10-19 Dell Products L.P. Airflow sealing by flexible rubber with I-beam and honeycomb structure
US11661855B2 (en) * 2021-10-25 2023-05-30 Raytheon Technologies Corporation Low density hybrid knife seal

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Publication number Priority date Publication date Assignee Title
US30600A (en) * 1860-11-06 Gate-hinge
GB780038A (en) * 1954-10-18 1957-07-31 Vickers Electrical Co Ltd Improvements relating to sealing glands for rotating machines
AT190747B (de) * 1955-08-18 1957-07-25 Stroemungsmasch Anst Feststehender Laufradkranz für Gasturbinen
US2840343A (en) * 1955-10-14 1958-06-24 Jr David E Brandt Reduction of rotating tip clearance using segmented wear strips
US2951721A (en) * 1956-02-23 1960-09-06 Halogen Insulator And Seal Cor Composite seal
DE1061467B (de) * 1956-12-22 1959-07-16 Gen Electric Abdichtung zwischen Laeufer und Gehaeuse eines Kreiselverdichters, bei der der Laeufer das noetige Spiel selbst aus der Dichtung herausschabt
GB852887A (en) * 1956-12-24 1960-11-02 Gen Electric Cellular material
US2998991A (en) * 1957-10-25 1961-09-05 Harvey G Spencer Sealing rings
US3339933A (en) * 1965-02-24 1967-09-05 Gen Electric Rotary seal
FR1489776A (fr) * 1966-06-01 1967-07-28 I M A P Sa Perfectionnements aux dispositifs d'étanchéité pour pièces tournantes
US3547455A (en) * 1969-05-02 1970-12-15 Gen Electric Rotary seal including organic abradable material
DE2243873B2 (de) * 1972-09-07 1975-01-16 Gutehoffnungshuette Sterkrade Ag, 4200 Oberhausen Labyrinthdichtung für Turboverdichter
USRE30600E (en) * 1973-02-23 1981-05-05 International Harvester Company Compliant structural members
US3799128A (en) * 1973-03-08 1974-03-26 Gen Motors Corp Engine cooling system radiator and fan shroud
US4207024A (en) * 1977-05-27 1980-06-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Composite seal for turbomachinery
US4257735A (en) * 1978-12-15 1981-03-24 General Electric Company Gas turbine engine seal and method for making same
US4566700A (en) * 1982-08-09 1986-01-28 United Technologies Corporation Abrasive/abradable gas path seal system

Also Published As

Publication number Publication date
JPH0313401B2 (it) 1991-02-22
JPS5963306A (ja) 1984-04-11
FR2532029A1 (fr) 1984-02-24
CA1228615A (en) 1987-10-27
US4460185A (en) 1984-07-17
GB2126290A (en) 1984-03-21
GB8317397D0 (en) 1983-07-27
IT8322599A0 (it) 1983-08-22
GB2126290B (en) 1986-04-30
NL8302889A (nl) 1984-03-16
DE3326852A1 (de) 1984-02-23
FR2532029B1 (fr) 1987-04-03

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