DE60027258D1 - Abreibbare Dichtungsschicht - Google Patents

Abreibbare Dichtungsschicht

Info

Publication number
DE60027258D1
DE60027258D1 DE60027258T DE60027258T DE60027258D1 DE 60027258 D1 DE60027258 D1 DE 60027258D1 DE 60027258 T DE60027258 T DE 60027258T DE 60027258 T DE60027258 T DE 60027258T DE 60027258 D1 DE60027258 D1 DE 60027258D1
Authority
DE
Germany
Prior art keywords
sealing layer
abradable sealing
abradable
layer
sealing
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 - Lifetime
Application number
DE60027258T
Other languages
English (en)
Other versions
DE60027258T2 (de
Inventor
Dalzell, Jr
George Lee Crawford
William J Woodard
Stuart Alan Sanders
Frederick Clell Walden
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27412974&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60027258(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/466,255 external-priority patent/US20010055652A1/en
Priority claimed from US09/466,117 external-priority patent/US6352264B1/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of DE60027258D1 publication Critical patent/DE60027258D1/de
Application granted granted Critical
Publication of DE60027258T2 publication Critical patent/DE60027258T2/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
    • 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
DE60027258T 1999-12-17 2000-12-04 Abreibbare Dichtungsschicht Expired - Lifetime DE60027258T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US46642199A 1999-12-17 1999-12-17
US466255 1999-12-17
US09/466,255 US20010055652A1 (en) 1999-12-17 1999-12-17 Method of making abradable seal having improved properties
US466421 1999-12-17
US466117 1999-12-17
US09/466,117 US6352264B1 (en) 1999-12-17 1999-12-17 Abradable seal having improved properties

Publications (2)

Publication Number Publication Date
DE60027258D1 true DE60027258D1 (de) 2006-05-24
DE60027258T2 DE60027258T2 (de) 2007-01-18

Family

ID=27412974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60027258T Expired - Lifetime DE60027258T2 (de) 1999-12-17 2000-12-04 Abreibbare Dichtungsschicht

Country Status (4)

Country Link
EP (1) EP1108857B2 (de)
JP (2) JP2001207866A (de)
DE (1) DE60027258T2 (de)
SG (1) SG88799A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG90198A1 (en) * 1999-12-23 2002-07-23 United Technologies Corp Composite abradable material
GB2397342A (en) * 2002-12-19 2004-07-21 Flakt Woods Ltd Fan duct with abradable coating surrounding blade tips
US8658255B2 (en) 2008-12-19 2014-02-25 General Electric Company Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability
US8658291B2 (en) * 2008-12-19 2014-02-25 General Electric Company CMAS mitigation compositions, environmental barrier coatings comprising the same, and ceramic components comprising the same
DE102009055914A1 (de) * 2009-11-27 2011-06-09 Rolls-Royce Deutschland Ltd & Co Kg Dichtringe für eine Labyrinthdichtung
EP2418387B1 (de) * 2010-08-11 2015-04-01 Techspace Aero S.A. Gehäusering eines Kompressors eines axialen Turbotriebwerks
GB2489693B (en) 2011-04-04 2014-10-01 Rolls Royce Plc Abradable liner
GB2496887A (en) * 2011-11-25 2013-05-29 Rolls Royce Plc Gas turbine engine abradable liner
BE1022808B1 (fr) * 2015-03-05 2016-09-13 Techspace Aero Joint abradable de carter de compresseur de turbomachine axiale
DE102015210601A1 (de) * 2015-06-10 2016-12-15 Voith Patent Gmbh Laufrad für eine Pumpe oder Turbine
US11225878B1 (en) 2016-12-21 2022-01-18 Technetics Group Llc Abradable composite material and method of making the same
US11313243B2 (en) 2018-07-12 2022-04-26 Rolls-Royce North American Technologies, Inc. Non-continuous abradable coatings
EP3822004A1 (de) 2019-11-14 2021-05-19 Rolls-Royce Corporation Schmelzfilamentfertigung von verschleissbaren beschichtungen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547455A (en) * 1969-05-02 1970-12-15 Gen Electric Rotary seal including organic abradable material
US4460185A (en) * 1982-08-23 1984-07-17 General Electric Company Seal including a non-metallic abradable material
CA1247402A (en) * 1983-12-27 1988-12-28 William F. Otfinoski Porous metal abradable seal material
US4696855A (en) * 1986-04-28 1987-09-29 United Technologies Corporation Multiple port plasma spray apparatus and method for providing sprayed abradable coatings
US4936745A (en) * 1988-12-16 1990-06-26 United Technologies Corporation Thin abradable ceramic air seal
US5536022A (en) 1990-08-24 1996-07-16 United Technologies Corporation Plasma sprayed abradable seals for gas turbine engines
US5196471A (en) * 1990-11-19 1993-03-23 Sulzer Plasma Technik, Inc. Thermal spray powders for abradable coatings, abradable coatings containing solid lubricants and methods of fabricating abradable coatings
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
US6102656A (en) 1995-09-26 2000-08-15 United Technologies Corporation Segmented abradable ceramic coating

Also Published As

Publication number Publication date
EP1108857A3 (de) 2003-04-02
EP1108857B1 (de) 2006-04-12
JP2001207866A (ja) 2001-08-03
JP2001207865A (ja) 2001-08-03
EP1108857A2 (de) 2001-06-20
SG88799A1 (en) 2002-05-21
DE60027258T2 (de) 2007-01-18
EP1108857B2 (de) 2013-12-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent