DE68909158T2 - Verfahren zur Herstellung eines Schaufelendes zur Abdichtung in einer Turbine. - Google Patents

Verfahren zur Herstellung eines Schaufelendes zur Abdichtung in einer Turbine.

Info

Publication number
DE68909158T2
DE68909158T2 DE89307610T DE68909158T DE68909158T2 DE 68909158 T2 DE68909158 T2 DE 68909158T2 DE 89307610 T DE89307610 T DE 89307610T DE 68909158 T DE68909158 T DE 68909158T DE 68909158 T2 DE68909158 T2 DE 68909158T2
Authority
DE
Germany
Prior art keywords
turbine
sealing
manufacturing
blade end
blade
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
DE89307610T
Other languages
English (en)
Other versions
DE68909158D1 (de
Inventor
John N Cang
John J Hensley
Joseph R Gast
Christian M Waldhelm
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.)
Solar Turbines Inc
Original Assignee
Solar Turbines Inc
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 Solar Turbines Inc filed Critical Solar Turbines Inc
Publication of DE68909158D1 publication Critical patent/DE68909158D1/de
Application granted granted Critical
Publication of DE68909158T2 publication Critical patent/DE68909158T2/de
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
    • F01D11/08—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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
DE89307610T 1988-08-26 1989-07-27 Verfahren zur Herstellung eines Schaufelendes zur Abdichtung in einer Turbine. Expired - Fee Related DE68909158T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/236,874 US4874290A (en) 1988-08-26 1988-08-26 Turbine blade top clearance control system

Publications (2)

Publication Number Publication Date
DE68909158D1 DE68909158D1 (de) 1993-10-21
DE68909158T2 true DE68909158T2 (de) 1994-01-20

Family

ID=22891352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89307610T Expired - Fee Related DE68909158T2 (de) 1988-08-26 1989-07-27 Verfahren zur Herstellung eines Schaufelendes zur Abdichtung in einer Turbine.

Country Status (5)

Country Link
US (1) US4874290A (de)
EP (1) EP0361655B1 (de)
JP (1) JP2736272B2 (de)
CA (1) CA1296261C (de)
DE (1) DE68909158T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3137527B2 (ja) * 1994-04-21 2001-02-26 三菱重工業株式会社 ガスタービン動翼チップ冷却装置
US5575145A (en) * 1994-11-01 1996-11-19 Chevron U.S.A. Inc. Gas turbine repair
US6451454B1 (en) 1999-06-29 2002-09-17 General Electric Company Turbine engine component having wear coating and method for coating a turbine engine component
US20040124231A1 (en) * 1999-06-29 2004-07-01 Hasz Wayne Charles Method for coating a substrate
DE69927594T2 (de) * 1999-11-03 2006-07-20 Alstom Technology Ltd Verfahren zum Beschichten und Schweissen von Leitschaufeln einer Gasturbine
EP1143030A1 (de) * 2000-04-03 2001-10-10 ABB Alstom Power N.V. Werkstoff für Turbinenschaufelspitze und dessen Herstellungs-oder Reparierungsverfahren
KR100819789B1 (ko) * 2001-12-29 2008-04-07 삼성테크윈 주식회사 가스터빈엔진의 러빙 감시 시스템
US6887528B2 (en) * 2002-12-17 2005-05-03 General Electric Company High temperature abradable coatings
US7282681B2 (en) * 2005-05-05 2007-10-16 General Electric Company Microwave fabrication of airfoil tips
JP4824767B2 (ja) 2006-10-31 2011-11-30 京セラ株式会社 切削インサート
US8172518B2 (en) * 2006-12-29 2012-05-08 General Electric Company Methods and apparatus for fabricating a rotor assembly
US8092178B2 (en) * 2008-11-28 2012-01-10 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US9181814B2 (en) 2010-11-24 2015-11-10 United Technology Corporation Turbine engine compressor stator
US8858167B2 (en) * 2011-08-18 2014-10-14 United Technologies Corporation Airfoil seal
US10215033B2 (en) 2012-04-18 2019-02-26 General Electric Company Stator seal for turbine rub avoidance
EP2735706B8 (de) * 2012-11-21 2016-12-07 Safran Aero Booster S.A. Gleichrichter mit Laufradschaufeln eines Kompressors eines axialen Turbotriebwerks, und Herstellungsverfahren
US9250056B2 (en) 2012-12-31 2016-02-02 General Electric Company System and method for monitoring health of airfoils
US10385865B2 (en) 2016-03-07 2019-08-20 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US10633983B2 (en) 2016-03-07 2020-04-28 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199836A (en) * 1964-05-04 1965-08-10 Gen Electric Axial flow turbo-machine blade with abrasive tip
CH449053A (de) * 1966-07-05 1967-12-31 Stellba Ag Turbinenschaufel für Dampfturbinen
US3574924A (en) * 1968-10-28 1971-04-13 North American Rockwell Solid state repair method and means
US3701536A (en) * 1970-05-19 1972-10-31 Garrett Corp Labyrinth seal
US4028788A (en) * 1976-01-12 1977-06-14 Demusis Ralph T Method of refurbishing turbine blade air seal flanges
US4214355A (en) * 1977-12-21 1980-07-29 General Electric Company Method for repairing a turbomachinery blade tip
US4232995A (en) * 1978-11-27 1980-11-11 General Electric Company Gas seal for turbine blade tip
SE8000750L (sv) * 1980-01-30 1981-07-31 Bulten Kanthal Ab Varmhallfast maskinkomponent och sett att framstella densamma
GB2072222B (en) * 1980-03-22 1983-02-16 Rolls Royce Coating compositions containing metal and glass
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
DE3151413A1 (de) * 1981-12-24 1983-07-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München "schaufel einer stroemungsmaschine, insbesondere gasturbine"
US4589176A (en) * 1983-11-25 1986-05-20 Rockwell International Corporation Fiber-composite turbine blade and method for its construction
DE3401742C2 (de) * 1984-01-19 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Rotor für einen Axialverdichter
US4540336A (en) * 1984-04-19 1985-09-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Oxidizing seal for a turbine tip gas path
US4589823A (en) * 1984-04-27 1986-05-20 General Electric Company Rotor blade tip
US4744725A (en) * 1984-06-25 1988-05-17 United Technologies Corporation Abrasive surfaced article for high temperature service
US4610698A (en) * 1984-06-25 1986-09-09 United Technologies Corporation Abrasive surface coating process for superalloys
US4689242A (en) * 1986-07-21 1987-08-25 United Technologies Corporation Method for adhesion of grit to blade tips
FR2612106B1 (fr) * 1987-03-09 1989-05-19 Alsthom Procede de pose d'un revetement protecteur sur une aube en alliage de titane et aube ainsi revetue
US4884820A (en) * 1987-05-19 1989-12-05 Union Carbide Corporation Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members

Also Published As

Publication number Publication date
JP2736272B2 (ja) 1998-04-02
EP0361655B1 (de) 1993-09-15
US4874290A (en) 1989-10-17
EP0361655A2 (de) 1990-04-04
DE68909158D1 (de) 1993-10-21
CA1296261C (en) 1992-02-25
EP0361655A3 (en) 1990-07-18
JPH02104904A (ja) 1990-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee