EP0702130A3 - Schaufelspitze mit schneidfähigem Anstreifbelag - Google Patents

Schaufelspitze mit schneidfähigem Anstreifbelag Download PDF

Info

Publication number
EP0702130A3
EP0702130A3 EP95113444A EP95113444A EP0702130A3 EP 0702130 A3 EP0702130 A3 EP 0702130A3 EP 95113444 A EP95113444 A EP 95113444A EP 95113444 A EP95113444 A EP 95113444A EP 0702130 A3 EP0702130 A3 EP 0702130A3
Authority
EP
European Patent Office
Prior art keywords
lining
interspaces
stripper
surface layer
blade tip
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.)
Granted
Application number
EP95113444A
Other languages
English (en)
French (fr)
Other versions
EP0702130B1 (de
EP0702130A2 (de
Inventor
Johannes Dr. Schröder
Thomas Dr. Uihlein
Hans Weber
Herbert Fischer
Erwin Fischhaber
Norbert Legrand
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.)
MTU Aero Engines AG
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of EP0702130A2 publication Critical patent/EP0702130A2/de
Publication of EP0702130A3 publication Critical patent/EP0702130A3/de
Application granted granted Critical
Publication of EP0702130B1 publication Critical patent/EP0702130B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/01—Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/21—Oxide ceramics
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24413—Metal or metal compound
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24926—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including ceramic, glass, porcelain or quartz layer
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)

Abstract

Die Erfindung betrifft einen Anstreifbelag (1) für metallische Triebwerkskomponenten wie Verdichterschaufeln (2), die einen Anlaufbelag (3) aufweisen, der sich beim Anstreifen in einen Einlaufbelag (4) einarbeitet, wobei der Anlaufbelag (3) aus einer thermisch gespritzten Keramikschicht besteht und die Keramikschicht derart profiliert ist, daß sie schneidfähige Kanten (5-9) aufweist, wobei zwischen den Kanten (5-9) Freiräume (10-13) angeordnet sind, die den Abrieb des Einlaufbelages (4) aufnehmen und ausräumen, sowie ein Verfahren zur Herstellung profilierter Anstreifbeläge (1).
EP95113444A 1994-09-16 1995-08-26 Verfahren zur Fertigung eines Anstreifbelages für metallische Triebwerkskomponenten Expired - Lifetime EP0702130B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4432998 1994-09-16
DE4432998A DE4432998C1 (de) 1994-09-16 1994-09-16 Anstreifbelag für metallische Triebwerkskomponente und Herstellungsverfahren

Publications (3)

Publication Number Publication Date
EP0702130A2 EP0702130A2 (de) 1996-03-20
EP0702130A3 true EP0702130A3 (de) 1998-06-10
EP0702130B1 EP0702130B1 (de) 2003-04-23

Family

ID=6528373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113444A Expired - Lifetime EP0702130B1 (de) 1994-09-16 1995-08-26 Verfahren zur Fertigung eines Anstreifbelages für metallische Triebwerkskomponenten

Country Status (5)

Country Link
US (2) US5756217A (de)
EP (1) EP0702130B1 (de)
AT (1) ATE238489T1 (de)
DE (2) DE4432998C1 (de)
ES (1) ES2196035T3 (de)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730008C1 (de) * 1997-07-12 1998-10-29 Mtu Muenchen Gmbh Panzerung für ein metallisches Triebwerksbauteil und Verfahren zu ihrer Herstellung
US6004362A (en) * 1998-02-02 1999-12-21 Lockheed Martin Energy Systems Method for forming an abrasive surface on a tool
JP2002055600A (ja) * 2000-08-09 2002-02-20 Laurel Seiki Kk 視覚障害者用情報入出力装置
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
US7166258B2 (en) * 2001-01-31 2007-01-23 Agilent Technologies, Inc. Automation-optimized microarray package
US6528118B2 (en) * 2001-02-06 2003-03-04 General Electric Company Process for creating structured porosity in thermal barrier coating
JP2002256808A (ja) * 2001-02-28 2002-09-11 Mitsubishi Heavy Ind Ltd 燃焼エンジン、ガスタービン及び研磨層
FR2825411B1 (fr) * 2001-05-31 2003-09-19 Snecma Moteurs Aube de turbine avec lechette d'etancheite
WO2003010419A1 (de) * 2001-07-23 2003-02-06 Alstom Technology Ltd Vorrichtung zur dichtspaltreduzierung zwischen bewegten und stationären komponenten innerhalb einer strömungsmaschine
DE10340147B4 (de) * 2002-08-27 2014-04-10 Kyocera Corp. Trockenätzverfahren und Trockenätzvorrichtung
US7459098B2 (en) * 2002-08-28 2008-12-02 Kyocera Corporation Dry etching apparatus, dry etching method, and plate and tray used therein
US7556741B2 (en) * 2002-08-28 2009-07-07 Kyocera Corporation Method for producing a solar cell
US6887528B2 (en) * 2002-12-17 2005-05-03 General Electric Company High temperature abradable coatings
US20050003172A1 (en) * 2002-12-17 2005-01-06 General Electric Company 7FAstage 1 abradable coatings and method for making same
JP2005008483A (ja) * 2003-06-19 2005-01-13 Shin Etsu Chem Co Ltd 被覆部材及びその製造方法
US6890150B2 (en) * 2003-08-12 2005-05-10 General Electric Company Center-located cutter teeth on shrouded turbine blades
US6905309B2 (en) * 2003-08-28 2005-06-14 General Electric Company Methods and apparatus for reducing vibrations induced to compressor airfoils
GB0326235D0 (en) * 2003-11-10 2003-12-17 Boc Group Inc Vacuum pump
WO2005061852A1 (en) * 2003-12-23 2005-07-07 Bp Exploration Operating Company Limited Non-threaded expandable pipe connection system
DE102004042127B4 (de) * 2004-08-30 2006-07-13 Daimlerchrysler Ag Rotor-Stator-Vorrichtung mit Anstreifbelag, Verfahren zu deren Herstellung sowie Verwendung
US7614847B2 (en) * 2004-11-24 2009-11-10 General Electric Company Pattern for the surface of a turbine shroud
US7600968B2 (en) * 2004-11-24 2009-10-13 General Electric Company Pattern for the surface of a turbine shroud
NL1029708C2 (nl) * 2005-08-10 2007-02-13 Kick Off Ltd Turbulentiefolie.
US7922455B2 (en) * 2005-09-19 2011-04-12 General Electric Company Steam-cooled gas turbine bucker for reduced tip leakage loss
DE102005044991A1 (de) * 2005-09-21 2007-03-22 Mtu Aero Engines Gmbh Verfahren zur Herstellung einer Schutzschicht, Schutzschicht und Bauteil mit einer Schutzschicht
EP1808508A1 (de) * 2006-01-17 2007-07-18 Siemens Aktiengesellschaft Im Strömungskanal einer Strömungsmaschine anzuordnendes Bauteil und Spritzverfahren zum Erzeugen einer Beschichtung
EP1820938A1 (de) * 2006-02-20 2007-08-22 ABB Turbo Systems AG Reinigungselemente auf Laufschaufelspitzen einer Abgasturbine
EP1925779A1 (de) * 2006-11-23 2008-05-28 Siemens Aktiengesellschaft Strömungsführendes Bauteil und Verfahren zur Herstellung eines solchen
DE102008061800A1 (de) * 2008-12-11 2010-06-17 Rolls-Royce Deutschland Ltd & Co Kg Segmentierte Dichtlippen für Labyrinthdichtungsringe
DE102009012945A1 (de) 2009-03-12 2010-09-16 Mtu Aero Engines Gmbh Verfahren zur Herstellung einer abrasiven Beschichtung und Bauteil für eine Turbomaschine
US8852720B2 (en) * 2009-07-17 2014-10-07 Rolls-Royce Corporation Substrate features for mitigating stress
DE102009040298A1 (de) * 2009-09-04 2011-03-10 Mtu Aero Engines Gmbh Strömungsmaschine und Verfahren zur Erzeugung eines strukturierten Einlaufbelags
EP2309098A1 (de) * 2009-09-30 2011-04-13 Siemens Aktiengesellschaft Profil und zugehörige Leitschaufel, Laufschaufel, Gasturbine und Strömungsmaschine
EP2524069B1 (de) 2010-01-11 2018-03-07 Rolls-Royce Corporation Merkmale zur milderung thermischer oder mechanischer spannungen einer umgebungsschutzschicht
DE102010005389A1 (de) * 2010-01-22 2011-07-28 MTU Aero Engines GmbH, 80995 Strukturierte Oberflächenbeschichtung mittels kinetischem Kaltgasspritzen
US8845283B2 (en) * 2010-11-29 2014-09-30 General Electric Company Compressor blade with flexible tip elements and process therefor
EP2458157B1 (de) * 2010-11-30 2015-10-14 Techspace Aero S.A. Abriebdichtung eines Stator-Innenrings
US8888446B2 (en) * 2011-10-07 2014-11-18 General Electric Company Turbomachine rotor having patterned coating
DE102012200883B4 (de) 2012-01-23 2015-12-03 MTU Aero Engines AG Strömungsmaschinen-Dichtungsanordnung
US20130323430A1 (en) * 2012-05-31 2013-12-05 General Electric Company Method of coating corner interface of turbine system
GB201222975D0 (en) * 2012-12-19 2013-01-30 Composite Technology & Applic Ltd An aerofoil structure
WO2014144152A1 (en) 2013-03-15 2014-09-18 Rolls-Royce Corporation Improved coating interface
US20150078900A1 (en) * 2013-09-19 2015-03-19 David B. Allen Turbine blade with airfoil tip having cutting tips
US9909428B2 (en) * 2013-11-26 2018-03-06 General Electric Company Turbine buckets with high hot hardness shroud-cutting deposits
US8939707B1 (en) 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges
US8939706B1 (en) 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface
US9151175B2 (en) 2014-02-25 2015-10-06 Siemens Aktiengesellschaft Turbine abradable layer with progressive wear zone multi level ridge arrays
US8939705B1 (en) 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone multi depth grooves
US8939716B1 (en) 2014-02-25 2015-01-27 Siemens Aktiengesellschaft Turbine abradable layer with nested loop groove pattern
US9249680B2 (en) 2014-02-25 2016-02-02 Siemens Energy, Inc. Turbine abradable layer with asymmetric ridges or grooves
US9243511B2 (en) 2014-02-25 2016-01-26 Siemens Aktiengesellschaft Turbine abradable layer with zig zag groove pattern
RU2016134446A (ru) 2014-02-25 2018-03-29 Сименс Акциенгезелльшафт Термобарьерное покрытие компонента турбины с изменяющимися по глубине свойствами материала
KR102318300B1 (ko) * 2014-05-15 2021-10-29 누보 피그노네 에스알엘 터보기계의 구성요소의 제조 방법, 터보기계의 구성요소 및 터보기계
US11066937B2 (en) 2014-06-04 2021-07-20 Raytheon Technologies Corporation Cutting blade tips
US9982358B2 (en) 2014-06-04 2018-05-29 United Technologies Corporation Abrasive tip blade manufacture methods
US9932839B2 (en) * 2014-06-04 2018-04-03 United Technologies Corporation Cutting blade tips
DE102014212652A1 (de) * 2014-06-30 2016-01-14 MTU Aero Engines AG Strömungsmaschine
FR3026428B1 (fr) * 2014-09-30 2019-10-25 Safran Aircraft Engines Aube de rotor de turbomachine a lechettes radiales
EP3006672A1 (de) * 2014-10-10 2016-04-13 Universität Stuttgart Vorrichtung zur Beeinflussung der Strömung in einer Turbomaschine
GB201419412D0 (en) * 2014-10-31 2014-12-17 Rolls Royce Plc Rotary device
FR3029813B1 (fr) * 2014-12-16 2019-07-19 Airbus Operations (S.A.S.) Procede de fabrication d'un revetement microstructure
EP3259452A2 (de) 2015-02-18 2017-12-27 Siemens Aktiengesellschaft Formung von kühlpassagen in verbrennungsturbine-superlegierungsgussteilen
US10190435B2 (en) 2015-02-18 2019-01-29 Siemens Aktiengesellschaft Turbine shroud with abradable layer having ridges with holes
KR102630007B1 (ko) 2015-11-10 2024-01-26 오를리콘 서피스 솔루션스 아크티엔게젤샤프트, 페피콘 터빈 틈새 제어 코팅 및 방법
US10801097B2 (en) * 2015-12-23 2020-10-13 Praxair S.T. Technology, Inc. Thermal spray coatings onto non-smooth surfaces
FR3065482B1 (fr) * 2017-04-20 2019-07-05 Safran Aircraft Engines Element d'anneau d'etancheite pour turbine comportant une cavite inclinee dans un materiau abradable
US10954803B2 (en) * 2019-01-17 2021-03-23 Rolls-Royce Corporation Abrasive coating for high temperature mechanical systems
FR3118990B1 (fr) * 2021-01-21 2023-09-15 Safran Aircraft Engines Rotor de turbine pour une turbomachine.
US20250250900A1 (en) * 2023-11-21 2025-08-07 Rolls-Royce Plc Aerofoil structure for a gas turbine engine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042365A (en) * 1957-11-08 1962-07-03 Gen Motors Corp Blade shrouding
US3964877A (en) * 1975-08-22 1976-06-22 General Electric Company Porous high temperature seal abradable member
US4594053A (en) * 1984-04-10 1986-06-10 Mtu Motoren-Und Turbinen-Union Muenchen Gmbh Housing for a fluid flow or jet engine
US4744725A (en) * 1984-06-25 1988-05-17 United Technologies Corporation Abrasive surfaced article for high temperature service
EP0287371A1 (de) * 1987-04-15 1988-10-19 Metallurgical Industries, Inc. Turbinenschaufel mit Kopfstück
EP0292250A1 (de) * 1987-05-19 1988-11-23 Union Carbide Corporation Rotierende Gasdichtung und Turbinen- und Verdichterschaufeln
US5223332A (en) * 1990-05-31 1993-06-29 Praxair S.T. Technology, Inc. Duplex coatings for various substrates
EP0661415A1 (de) * 1993-12-17 1995-07-05 Sulzer Innotec Ag Einrichtung mit rotierfähigem Körper, Gehäuse und dazwischen liegendem Dichtspalt
US5603603A (en) * 1993-12-08 1997-02-18 United Technologies Corporation Abrasive blade tip

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169020A (en) * 1977-12-21 1979-09-25 General Electric Company Method for making an improved gas seal
DE8411277U1 (de) * 1984-04-10 1986-08-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Gehäuse einer Strömungsmaschine
US4799939A (en) * 1987-02-26 1989-01-24 Minnesota Mining And Manufacturing Company Erodable agglomerates and abrasive products containing the same
IE892863L (en) * 1988-09-09 1990-03-09 Galderma Rech Dermatologique Abrasive compacts
US5133782A (en) * 1989-02-14 1992-07-28 Wiand Ronald C Multilayer abrading tool having an irregular abrading surface and process
JPH06104817B2 (ja) * 1990-10-09 1994-12-21 日本研磨材工業株式会社 アルミナ―ジルコニア系ラップ研磨材とその製造方法及び研磨用組成物
DE4306966C1 (de) * 1992-10-19 1994-01-20 Starck H C Gmbh Co Kg Schleifkorn auf der Basis von Zirkonkorund, Verfahren zu seiner Herstellung und dessen Verwendung
US5398455A (en) * 1993-01-14 1995-03-21 United Technologies Corporation Grinding tool
US5443418A (en) * 1993-03-29 1995-08-22 Norton Company Superabrasive tool
US5453312A (en) * 1993-10-29 1995-09-26 Minnesota Mining And Manufacturing Company Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042365A (en) * 1957-11-08 1962-07-03 Gen Motors Corp Blade shrouding
US3964877A (en) * 1975-08-22 1976-06-22 General Electric Company Porous high temperature seal abradable member
US4594053A (en) * 1984-04-10 1986-06-10 Mtu Motoren-Und Turbinen-Union Muenchen Gmbh Housing for a fluid flow or jet engine
US4744725A (en) * 1984-06-25 1988-05-17 United Technologies Corporation Abrasive surfaced article for high temperature service
EP0287371A1 (de) * 1987-04-15 1988-10-19 Metallurgical Industries, Inc. Turbinenschaufel mit Kopfstück
EP0292250A1 (de) * 1987-05-19 1988-11-23 Union Carbide Corporation Rotierende Gasdichtung und Turbinen- und Verdichterschaufeln
US5223332A (en) * 1990-05-31 1993-06-29 Praxair S.T. Technology, Inc. Duplex coatings for various substrates
US5603603A (en) * 1993-12-08 1997-02-18 United Technologies Corporation Abrasive blade tip
EP0661415A1 (de) * 1993-12-17 1995-07-05 Sulzer Innotec Ag Einrichtung mit rotierfähigem Körper, Gehäuse und dazwischen liegendem Dichtspalt

Also Published As

Publication number Publication date
US5756217A (en) 1998-05-26
ES2196035T3 (es) 2003-12-16
DE59510655D1 (de) 2003-05-28
ATE238489T1 (de) 2003-05-15
EP0702130B1 (de) 2003-04-23
US6171351B1 (en) 2001-01-09
EP0702130A2 (de) 1996-03-20
DE4432998C1 (de) 1996-04-04

Similar Documents

Publication Publication Date Title
EP0702130A3 (de) Schaufelspitze mit schneidfähigem Anstreifbelag
ATE419452T1 (de) Abschleifbares dichtungssystem
US6251526B1 (en) Coated cast part
EP0926254B1 (de) Thermische Beschichtungszusammensetzung
US20010004436A1 (en) Profiled surface used as an abradable in flow machines
IT8023024A0 (it) Guarnizione di tenuta all'aria esterna rivestita con materiali ceramici per motori a turbina agas.
DE69828757D1 (de) Kühlung der Anströmkante einer Gasturbinenschaufel
CA2252658A1 (en) Columnar zirconium oxide abrasive coating for a gas turbine engine seal system
WO1995027125A1 (en) Turbine shroud segment including a coating layer having varying thickness
DE69728898D1 (de) Verfahren zur Herstellung einer verschleissbaren Dichtung, verschleissbare Dichtung, und Bauteil eines Gasturbinentriebwerks mit einer solchen verschleissbaren Dichtung
IT1164902B (it) Compressore a flusso centrifugo e misto per motori a turbina a gas
RU99114772A (ru) Притирающееся уплотнение
EP1010862A3 (de) Beilagscheibe und Dichtung für eine verstellbare Leitschaufel
ES2020224B3 (es) Procedimiento de colocacion de un revestimiento protector de cobalto-cromo-volframio sobre un alabe de aleacion de titanio que contiene vanadio, y el alabe asi revestido.
ATE60917T1 (de) Vorrichtung zum beschichten einer form.
AU4615889A (en) Gas turbine abradable seal preliminary coating
EP0964189A3 (de) Weichstoffflachdichtung mit Randbedeckung
UA27027A1 (uk) Спосіб hаhесеhhя покриття hа лопатки теплової турбомашиhи
FR2603342B1 (fr) Buse d'echappement a surface variable pour moteur a turbine a gaz
GB2270527A (en) Coating a face of a component using apertured mask of same size as the face; turbine tip blades
BILL et al. Fully plasma-sprayed compliant backed ceramic turbine seal[Patent]
JPS5656907A (en) Nozzle blade for steam turbine
JPS5549509A (en) Structure for preventing multi-flow nozzle box wall from wearing
JPS55116467A (en) Decorating coating object with tape
JPS5611226A (en) Manufacture of coated metallic plate

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH DE ES FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH DE ES FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19980708

17Q First examination report despatched

Effective date: 19991125

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MTU AERO ENGINES GMBH

RTI1 Title (correction)

Free format text: METHOD FOR FORMING BLADE TIPS WITH CUTTING SURFACE LAYER

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

RTI1 Title (correction)

Free format text: METHOD FOR FORMING BLADE TIPS WITH CUTTING SURFACE LAYER

RTI1 Title (correction)

Free format text: METHOD FOR FORMING BLADE TIPS WITH CUTTING SURFACE LAYER

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RTI1 Title (correction)

Free format text: PROCESS FOR PRODUCING AN ABRASIVE COATING FOR METAL COMPONENTS OF DRIVE UNITS

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT CH DE ES FR GB IT LI NL SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: ISLER & PEDRAZZINI AG

REF Corresponds to:

Ref document number: 59510655

Country of ref document: DE

Date of ref document: 20030528

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20030715

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2196035

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20040126

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: ISLER & PEDRAZZINI AG;POSTFACH 1772;8027 ZUERICH (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20080813

Year of fee payment: 14

Ref country code: ES

Payment date: 20080828

Year of fee payment: 14

Ref country code: CH

Payment date: 20080814

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20080826

Year of fee payment: 14

Ref country code: AT

Payment date: 20080814

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20080815

Year of fee payment: 14

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20100301

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090826

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100301

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20090827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090826

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090827

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120821

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20120906

Year of fee payment: 18

Ref country code: DE

Payment date: 20120822

Year of fee payment: 18

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130826

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140301

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140430

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59510655

Country of ref document: DE

Effective date: 20140301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130826

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130902