ITMI910919A1 - Tenuta rotante a labirinto regolata termicamente con controllo attivo di gioco di tenuta - Google Patents

Tenuta rotante a labirinto regolata termicamente con controllo attivo di gioco di tenuta

Info

Publication number
ITMI910919A1
ITMI910919A1 IT000919A ITMI910919A ITMI910919A1 IT MI910919 A1 ITMI910919 A1 IT MI910919A1 IT 000919 A IT000919 A IT 000919A IT MI910919 A ITMI910919 A IT MI910919A IT MI910919 A1 ITMI910919 A1 IT MI910919A1
Authority
IT
Italy
Prior art keywords
game control
rotary seal
thermally regulated
active sealing
labyrinth
Prior art date
Application number
IT000919A
Other languages
English (en)
Inventor
Tracy Starling
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 ITMI910919A0 publication Critical patent/ITMI910919A0/it
Publication of ITMI910919A1 publication Critical patent/ITMI910919A1/it
Application granted granted Critical
Publication of IT1246920B publication Critical patent/IT1246920B/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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
    • 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
    • Y10S277/928—Seal including pressure relief or vent feature
    • 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
    • Y10S277/93—Seal including heating or cooling feature
    • 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
    • Y10S277/931—Seal including temperature responsive feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
ITMI910919A 1990-04-03 1991-04-03 Tenuta rotante a labirinto regolata termicamente con controllo attivo di gioco di tenuta IT1246920B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/505,117 US5281090A (en) 1990-04-03 1990-04-03 Thermally-tuned rotary labyrinth seal with active seal clearance control

Publications (3)

Publication Number Publication Date
ITMI910919A0 ITMI910919A0 (it) 1991-04-03
ITMI910919A1 true ITMI910919A1 (it) 1992-10-03
IT1246920B IT1246920B (it) 1994-11-29

Family

ID=24009085

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910919A IT1246920B (it) 1990-04-03 1991-04-03 Tenuta rotante a labirinto regolata termicamente con controllo attivo di gioco di tenuta

Country Status (7)

Country Link
US (1) US5281090A (it)
JP (1) JPH04224375A (it)
CA (1) CA2034468A1 (it)
DE (1) DE4110616A1 (it)
FR (1) FR2660370A1 (it)
GB (1) GB2242710A (it)
IT (1) IT1246920B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332358A (en) * 1993-03-01 1994-07-26 General Electric Company Uncoupled seal support assembly
US5685693A (en) * 1995-03-31 1997-11-11 General Electric Co. Removable inner turbine shell with bucket tip clearance control
GB9717857D0 (en) * 1997-08-23 1997-10-29 Rolls Royce Plc Fluid Seal
US5984630A (en) * 1997-12-24 1999-11-16 General Electric Company Reduced windage high pressure turbine forward outer seal
US6142477A (en) * 1998-11-16 2000-11-07 United Technologies Corporation Active seal
US6394459B1 (en) 2000-06-16 2002-05-28 General Electric Company Multi-clearance labyrinth seal design and related process
GB0029337D0 (en) 2000-12-01 2001-01-17 Rolls Royce Plc A seal segment for a turbine
JP2002327764A (ja) * 2001-05-01 2002-11-15 Hitachi Electronics Eng Co Ltd ベアリング防水機構およびディスク洗浄装置
DE10348290A1 (de) * 2003-10-17 2005-05-12 Mtu Aero Engines Gmbh Dichtungsanordnung für eine Gasturbine
CN101297118B (zh) * 2005-09-19 2011-09-28 英格索尔-兰德公司 用于离心压缩机的静止密封环
CN101268284A (zh) * 2005-09-19 2008-09-17 英格索尔-兰德公司 离心压缩机的叶轮
US8074998B2 (en) * 2006-05-05 2011-12-13 The Texas A&M University System Annular seals for non-contact sealing of fluids in turbomachinery
US8122702B2 (en) * 2007-04-30 2012-02-28 General Electric Company Sealing arrangements for gas turbine engine thrust reverser
US7966808B2 (en) * 2007-04-30 2011-06-28 General Electric Company Baffle seal for gas turbine engine thrust reverser
US8205335B2 (en) * 2007-06-12 2012-06-26 United Technologies Corporation Method of repairing knife edge seals
US20090014964A1 (en) * 2007-07-09 2009-01-15 Siemens Power Generation, Inc. Angled honeycomb seal between turbine rotors and turbine stators in a turbine engine
GB201012719D0 (en) * 2010-07-29 2010-09-15 Rolls Royce Plc Labyrinth seal
RU2451195C1 (ru) * 2010-12-22 2012-05-20 Открытое акционерное общество "Авиадвигатель" Лабиринтное уплотнение турбомашины
FR2991404B1 (fr) * 2012-05-31 2016-01-29 Snecma Partie fixe d'un dispositif de joint d'etancheite a labyrinthe comportant une piece intermediaire
US10006466B2 (en) * 2015-04-13 2018-06-26 United Technologies Corporation Clamped HPC seal ring
FR3036433B1 (fr) * 2015-05-22 2019-09-13 Safran Ceramics Ensemble d'anneau de turbine avec maintien par crabotage
CA2932601C (en) * 2015-06-17 2023-10-03 Rolls-Royce Corporation Labyrinth seal with tunable flow splitter
FR3055353B1 (fr) * 2016-08-25 2018-09-21 Safran Aircraft Engines Ensemble formant joint d'etancheite a labyrinthe pour une turbomachine comportant un abradable et des lechettes inclines
CN107314114A (zh) * 2017-08-15 2017-11-03 沈阳航空航天大学 一种篦齿密封结构
FR3085405B1 (fr) * 2018-08-28 2020-12-04 Safran Aircraft Engines Pressurisation de la cavite inter-lechettes par derivation du flux de bypass
CN112523814B (zh) * 2020-12-01 2022-11-22 中国航发沈阳发动机研究所 一种高压压气机出口封严装置
CN114738119A (zh) * 2022-04-18 2022-07-12 中国航发沈阳发动机研究所 一种篦齿封严结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI45933C (fi) * 1972-03-22 1976-12-03 Salakarin Oikeudenomistajat Liukumista estävä laite pyörää ja sentapaista varten.
US4526508A (en) * 1982-09-29 1985-07-02 United Technologies Corporation Rotor assembly for a gas turbine engine
US4513975A (en) * 1984-04-27 1985-04-30 General Electric Company Thermally responsive labyrinth seal
FR2570763B1 (fr) * 1984-09-27 1986-11-28 Snecma Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine
FR2570764B1 (fr) * 1984-09-27 1986-11-28 Snecma Dispositif de controle automatique du jeu d'un joint a labyrinthe de turbomachine

Also Published As

Publication number Publication date
ITMI910919A0 (it) 1991-04-03
GB9106599D0 (en) 1991-05-15
FR2660370A1 (fr) 1991-10-04
GB2242710A (en) 1991-10-09
US5281090A (en) 1994-01-25
CA2034468A1 (en) 1991-10-04
DE4110616A1 (de) 1991-10-10
IT1246920B (it) 1994-11-29
JPH04224375A (ja) 1992-08-13

Similar Documents

Publication Publication Date Title
ITMI910919A1 (it) Tenuta rotante a labirinto regolata termicamente con controllo attivo di gioco di tenuta
BR9303224A (pt) Selo mecanico de face oposta rotacional
NO179923C (no) Roterende akseltetning
DE69209379T2 (de) Kassettenwellendichtung
GB2158166B (en) Labyrinth type rotary seal
DE68911221T2 (de) Wellendichtung.
IT1249246B (it) Disposizione di guarnizioni
DE69032289T2 (de) Einstückiger Dichtungsstreifen
PT89378A (pt) Vedacao de labirinto dividida
IT8583334A0 (it) Tenuta a labirinto
DE69111444D1 (de) Gleitringdichtung.
DE69122818T2 (de) Statische Dichtung
DE58905222D1 (de) Dichtungsanordnung.
DE59102407D1 (de) Wellenabdichtung.
DE69123264T2 (de) Ventilwellendichtung
MX9200371A (es) Valvula rotatoria sellada con fuelle y montaje de sello.
DE59105004D1 (de) Abdichtung.
DE69106680D1 (de) Statische Abdichtung.
IT8383414A0 (it) Guarnizione a labirinto.
DE58904366D1 (de) Dichtungsanordnung.
DE59306893D1 (de) Wellendichtung
DE59101742D1 (de) Dichtungsanordnung.
DE69217195T2 (de) Kassettengleitringdichtung
DE4491133T1 (de) Gleichmäßig komprimierbare Stopfbuchsdichtung
BR7002424U (pt) Lacre

Legal Events

Date Code Title Description
0001 Granted