IT8222713A0 - Struttura rotante di tenuta dipressione e metodo per ridurvi le sollecitazioni termiche. - Google Patents

Struttura rotante di tenuta dipressione e metodo per ridurvi le sollecitazioni termiche.

Info

Publication number
IT8222713A0
IT8222713A0 IT8222713A IT2271382A IT8222713A0 IT 8222713 A0 IT8222713 A0 IT 8222713A0 IT 8222713 A IT8222713 A IT 8222713A IT 2271382 A IT2271382 A IT 2271382A IT 8222713 A0 IT8222713 A0 IT 8222713A0
Authority
IT
Italy
Prior art keywords
sealing structure
thermal stresses
pressure sealing
reduce thermal
rotary pressure
Prior art date
Application number
IT8222713A
Other languages
English (en)
Other versions
IT1218033B (it
Inventor
Paul Stanley Feldman
Joseph Clayton Burge
Michael Antoni Radomski
Robert Patrick Tameo
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 IT8222713A0 publication Critical patent/IT8222713A0/it
Application granted granted Critical
Publication of IT1218033B publication Critical patent/IT1218033B/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
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT22713/82A 1981-09-02 1982-08-03 Struttura rotante di tenuta di pressione e metodo per ridurvi le sollecitazioni termiche IT1218033B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/298,716 US4397471A (en) 1981-09-02 1981-09-02 Rotary pressure seal structure and method for reducing thermal stresses therein

Publications (2)

Publication Number Publication Date
IT8222713A0 true IT8222713A0 (it) 1982-08-03
IT1218033B IT1218033B (it) 1990-03-30

Family

ID=23151735

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22713/82A IT1218033B (it) 1981-09-02 1982-08-03 Struttura rotante di tenuta di pressione e metodo per ridurvi le sollecitazioni termiche

Country Status (7)

Country Link
US (1) US4397471A (it)
JP (1) JPS5865938A (it)
CA (1) CA1190153A (it)
DE (1) DE3231688C2 (it)
FR (1) FR2512112B1 (it)
GB (1) GB2104981B (it)
IT (1) IT1218033B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168755B (en) * 1984-12-08 1988-05-05 Rolls Royce Improvements in or relating to gas turbine engines
US4708588A (en) * 1984-12-14 1987-11-24 United Technologies Corporation Turbine cooling air supply system
US4747750A (en) * 1986-01-17 1988-05-31 United Technologies Corporation Transition duct seal
US5226788A (en) * 1991-12-23 1993-07-13 General Electric Company Turbine heat shield and bolt retainer assembly
US5211541A (en) * 1991-12-23 1993-05-18 General Electric Company Turbine support assembly including turbine heat shield and bolt retainer assembly
US5344160A (en) * 1992-12-07 1994-09-06 General Electric Company Shaft sealing of steam turbines
US5316437A (en) * 1993-02-19 1994-05-31 General Electric Company Gas turbine engine structural frame assembly having a thermally actuated valve for modulating a flow of hot gases through the frame hub
US5333993A (en) * 1993-03-01 1994-08-02 General Electric Company Stator seal assembly providing improved clearance control
US5332358A (en) * 1993-03-01 1994-07-26 General Electric Company Uncoupled seal support assembly
GB9717857D0 (en) * 1997-08-23 1997-10-29 Rolls Royce Plc Fluid Seal
FR2861129A1 (fr) * 2003-10-21 2005-04-22 Snecma Moteurs Dispositif de joint a labyrinthe pour moteur a turbine a gaz
US7025565B2 (en) * 2004-01-14 2006-04-11 General Electric Company Gas turbine engine component having bypass circuit
US7850173B2 (en) * 2006-08-31 2010-12-14 Pratt & Whitney Canada Corp. Repairable labyrinth seal
US8510926B2 (en) * 2008-05-05 2013-08-20 United Technologies Corporation Method for repairing a gas turbine engine component
JP5539131B2 (ja) * 2010-09-14 2014-07-02 株式会社日立製作所 ２軸式ガスタービンの内周抽気構造
US8939710B2 (en) 2011-08-24 2015-01-27 United Technologies Corporation Rotating turbomachine seal
RU2490473C1 (ru) * 2012-03-13 2013-08-20 Открытое акционерное общество Конструкторско-производственное предприятие "Авиамотор" Система охлаждения рабочего колеса турбины газотурбинного двигателя
US9567908B2 (en) 2012-04-27 2017-02-14 General Electric Company Mitigating vortex pumping effect upstream of oil seal
US9353647B2 (en) * 2012-04-27 2016-05-31 General Electric Company Wide discourager tooth
US11306614B2 (en) * 2018-10-04 2022-04-19 Rolls-Royce Corporation Sump auxiliary vent system
US11293295B2 (en) 2019-09-13 2022-04-05 Pratt & Whitney Canada Corp. Labyrinth seal with angled fins
CN112012833B (zh) * 2020-09-10 2023-06-06 上海和兰透平动力技术有限公司 径流式燃气轮机级间密封结构及其仿真设计方法
US11859550B2 (en) 2021-04-01 2024-01-02 General Electric Company Compound angle accelerator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347553A (en) * 1966-05-23 1967-10-17 Gen Electric Fluid seal
DE1601574A1 (de) * 1967-12-09 1970-11-26 Gen Electric Turbinenrotoraufbau
US3501089A (en) * 1968-07-17 1970-03-17 Gen Electric Jet pump ejector
US3635586A (en) * 1970-04-06 1972-01-18 Rolls Royce Method and apparatus for turbine blade cooling
US3647313A (en) * 1970-06-01 1972-03-07 Gen Electric Gas turbine engines with compressor rotor cooling
US3632221A (en) * 1970-08-03 1972-01-04 Gen Electric Gas turbine engine cooling system incorporating a vortex shaft valve
US3768921A (en) * 1972-02-24 1973-10-30 Aircraft Corp Chamber pressure control using free vortex flow
US3989410A (en) * 1974-11-27 1976-11-02 General Electric Company Labyrinth seal system
FR2336576A1 (fr) * 1975-12-24 1977-07-22 Snecma Obturateur a double commande pour compresseur vertical de fluide nocif
GB2042086B (en) * 1979-02-26 1983-10-12 Gen Electric Gas turbine engine seal

Also Published As

Publication number Publication date
IT1218033B (it) 1990-03-30
GB2104981B (en) 1986-01-15
DE3231688C2 (de) 1994-09-22
JPS5865938A (ja) 1983-04-19
FR2512112A1 (fr) 1983-03-04
DE3231688A1 (de) 1983-03-17
US4397471A (en) 1983-08-09
FR2512112B1 (fr) 1986-01-10
GB2104981A (en) 1983-03-16
JPH0416615B2 (it) 1992-03-24
CA1190153A (en) 1985-07-09

Similar Documents

Publication Publication Date Title
IT8222713A0 (it) Struttura rotante di tenuta dipressione e metodo per ridurvi le sollecitazioni termiche.
DE3675825D1 (de) Druckmitteldichteinheit.
DK163319C (da) Ekstrusionsfast indretning til taetning mellem to ud for hinanden beliggende flader.
IT1183916B (it) Guarnizione di tenuta per alte pressioni e meccanismo idraulico utilizzante tale guarnizione
KR860003007A (ko) 캡슐 밀봉방법
IT8223468A0 (it) Sigillo di sicurezza.
NO822118L (no) Tetningsenhet.
DE3579529D1 (de) Verschluss ohne dichteinlage.
GB2109895B (en) High/low pressure piston seal
BR8502923A (pt) Valvula,retentor,refratario e metodo
ATA305885A (de) Siegelpresse
NO872293D0 (no) Tettende pakning.
IT8554239V0 (it) Sigillo di sicurezza
IT8219304A0 (it) Profilato di guarnizione.
IT1153561B (it) Valvola per regolare la pressione
IT1152017B (it) Captatore di pressione differenziale
NO855032L (no) Trykkreduksjonsventil.
IT1178345B (it) Perfezionamento nelle guarnizioni di tenuta idrauliche
IT8519951A0 (it) Organo di strozzamento per ridurre la pressione in condotte di estrazione.
DE3773118D1 (de) Dichtende drehkupplung for hochdruckmedium.
IT8521950V0 (it) Perfezionamento nelle tenute di valvole di intercettazione.
IT1168573B (it) Metodo per impiallacciare cornici, e cornici ottenute con tale metodo
KR830001289U (ko) 압력솥의 밀폐용 패킹
NO851684L (no) Varmeaktiverbart, tettende stempel.
JPS57122266A (en) Fluid pressure type contract cooling

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950829