DE68906780D1 - Einlaufschicht fuer eine abreibbare spaltabdichtung fuer gasturbinen. - Google Patents

Einlaufschicht fuer eine abreibbare spaltabdichtung fuer gasturbinen.

Info

Publication number
DE68906780D1
DE68906780D1 DE8989630223T DE68906780T DE68906780D1 DE 68906780 D1 DE68906780 D1 DE 68906780D1 DE 8989630223 T DE8989630223 T DE 8989630223T DE 68906780 T DE68906780 T DE 68906780T DE 68906780 D1 DE68906780 D1 DE 68906780D1
Authority
DE
Germany
Prior art keywords
gridable
gas turbines
gasket seal
inlayer layer
inlayer
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
DE8989630223T
Other languages
English (en)
Other versions
DE68906780T2 (de
Inventor
Charles Carter Mccomas
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE68906780D1 publication Critical patent/DE68906780D1/de
Application granted granted Critical
Publication of DE68906780T2 publication Critical patent/DE68906780T2/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
    • F01D5/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Coating By Spraying Or Casting (AREA)
DE8989630223T 1988-12-21 1989-12-14 Einlaufschicht fuer eine abreibbare spaltabdichtung fuer gasturbinen. Expired - Fee Related DE68906780T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/287,221 US5017402A (en) 1988-12-21 1988-12-21 Method of coating abradable seal assembly

Publications (2)

Publication Number Publication Date
DE68906780D1 true DE68906780D1 (de) 1993-07-01
DE68906780T2 DE68906780T2 (de) 1993-09-02

Family

ID=23101962

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989630223T Expired - Fee Related DE68906780T2 (de) 1988-12-21 1989-12-14 Einlaufschicht fuer eine abreibbare spaltabdichtung fuer gasturbinen.

Country Status (10)

Country Link
US (1) US5017402A (de)
EP (1) EP0382993B1 (de)
JP (1) JPH02211304A (de)
CN (1) CN1021843C (de)
AU (1) AU623459B2 (de)
BR (1) BR8906606A (de)
DE (1) DE68906780T2 (de)
IL (1) IL92722A (de)
MX (1) MX174048B (de)
RU (1) RU1799424C (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5932356A (en) * 1996-03-21 1999-08-03 United Technologies Corporation Abrasive/abradable gas path seal system
US5951892A (en) * 1996-12-10 1999-09-14 Chromalloy Gas Turbine Corporation Method of making an abradable seal by laser cutting
EP1152124A1 (de) * 2000-05-04 2001-11-07 Siemens Aktiengesellschaft Dichtungsanordnung
US20020139741A1 (en) * 2001-03-27 2002-10-03 Henry Kopf Integral gasketed filtration cassette article and method of making the same
US6688867B2 (en) 2001-10-04 2004-02-10 Eaton Corporation Rotary blower with an abradable coating
CH696854A5 (de) * 2003-04-14 2007-12-31 Alstom Technology Ltd Thermische Turbomaschine.
US7732058B2 (en) * 2005-03-16 2010-06-08 Diamond Innovations, Inc. Lubricious coatings
US8017240B2 (en) * 2006-09-28 2011-09-13 United Technologies Corporation Ternary carbide and nitride thermal spray abradable seal material
US20080260522A1 (en) * 2007-04-18 2008-10-23 Ioannis Alvanos Gas turbine engine with integrated abradable seal and mount plate
US20080260523A1 (en) * 2007-04-18 2008-10-23 Ioannis Alvanos Gas turbine engine with integrated abradable seal
DE102007024591B4 (de) 2007-05-25 2012-10-18 Mtu Aero Engines Gmbh Gasturbine mit einem Stator, einem Rotor sowie einer Dichteinrichtung
US20130236302A1 (en) * 2012-03-12 2013-09-12 Charles Alexander Smith In-situ gas turbine rotor blade and casing clearance control
FR2994397B1 (fr) 2012-08-07 2014-08-01 Snecma Revetement en materiau abradable a faible rugosite de surface
US20150078900A1 (en) * 2013-09-19 2015-03-19 David B. Allen Turbine blade with airfoil tip having cutting tips
EP3068997B1 (de) 2013-11-11 2021-12-29 Raytheon Technologies Corporation Segmentierte dichtung für gasturbinenmotor
US10634055B2 (en) 2015-02-05 2020-04-28 United Technologies Corporation Gas turbine engine having section with thermally isolated area
US9920652B2 (en) 2015-02-09 2018-03-20 United Technologies Corporation Gas turbine engine having section with thermally isolated area

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424001A (en) * 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade
EP0187612B1 (de) * 1984-12-24 1990-09-12 United Technologies Corporation Abschleifbare Dichtung mit besonderem Erosionswiderstand
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
IL92722A (en) 1992-09-06
CN1021843C (zh) 1993-08-18
AU4615889A (en) 1990-06-28
IL92722A0 (en) 1990-09-17
EP0382993B1 (de) 1993-05-26
JPH02211304A (ja) 1990-08-22
EP0382993A1 (de) 1990-08-22
BR8906606A (pt) 1990-09-04
AU623459B2 (en) 1992-05-14
RU1799424C (ru) 1993-02-28
DE68906780T2 (de) 1993-09-02
US5017402A (en) 1991-05-21
CN1043773A (zh) 1990-07-11
MX174048B (es) 1994-04-18

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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