DE3372403D1 - Mechanical seal with back-up seal for gas-turbine engines - Google Patents

Mechanical seal with back-up seal for gas-turbine engines

Info

Publication number
DE3372403D1
DE3372403D1 DE8383630185T DE3372403T DE3372403D1 DE 3372403 D1 DE3372403 D1 DE 3372403D1 DE 8383630185 T DE8383630185 T DE 8383630185T DE 3372403 T DE3372403 T DE 3372403T DE 3372403 D1 DE3372403 D1 DE 3372403D1
Authority
DE
Germany
Prior art keywords
seal
gas
turbine engines
mechanical seal
mechanical
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
Application number
DE8383630185T
Other languages
German (de)
English (en)
Inventor
Harrison Reynolds Picard
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.)
RTX 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
Application granted granted Critical
Publication of DE3372403D1 publication Critical patent/DE3372403D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/36—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member
    • F16J15/363—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member the diaphragm or bellow being made of metal
    • 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
    • Y10S277/929—Seal feature where change in operation or condition induces additional leakage control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Of Bearings (AREA)
DE8383630185T 1982-12-20 1983-11-11 Mechanical seal with back-up seal for gas-turbine engines Expired DE3372403D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/451,643 US4477088A (en) 1982-12-20 1982-12-20 Face seal means with back-up seal

Publications (1)

Publication Number Publication Date
DE3372403D1 true DE3372403D1 (en) 1987-08-13

Family

ID=23793079

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8383630185T Expired DE3372403D1 (en) 1982-12-20 1983-11-11 Mechanical seal with back-up seal for gas-turbine engines
DE198383630185T Pending DE112268T1 (de) 1982-12-20 1983-11-11 Axiale gleitringdichtung mit einer reservedichtung fuer gasturbinentriebwerke.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198383630185T Pending DE112268T1 (de) 1982-12-20 1983-11-11 Axiale gleitringdichtung mit einer reservedichtung fuer gasturbinentriebwerke.

Country Status (5)

Country Link
US (1) US4477088A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0112268B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59115432A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1234052A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3372403D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687346A (en) * 1986-09-02 1987-08-18 United Technologies Corporation Low profile bearing support structure
US4840384A (en) * 1987-09-04 1989-06-20 Vaughan Co., Inc. Face-type shaft seal with shroud
GB8909289D0 (en) * 1989-04-24 1989-06-07 Crane John Uk Ltd Mechanical face seals
US5072948A (en) * 1989-08-28 1991-12-17 Ford Motor Company Seal assembly for a high speed machining system
JP2515035Y2 (ja) * 1989-12-18 1996-10-23 株式会社シマノ 両軸受リール
DE19541131C1 (de) * 1995-10-27 1997-04-03 Mannesmann Ag Vorrichtung zum Ankuppeln der Kühlmedienführung eines Rotationsteiles
US5910094A (en) * 1996-09-10 1999-06-08 The Boeing Company Aircraft labyrinth fire seal
US6676369B2 (en) 2002-03-26 2004-01-13 General Electric Company Aspirating face seal with axially extending seal teeth
US6758477B2 (en) 2002-03-26 2004-07-06 General Electric Company Aspirating face seal with axially biasing one piece annular spring
US6719296B2 (en) 2002-07-12 2004-04-13 General Electric Company Seal for a rotating member
BRPI0419090A (pt) 2004-10-01 2007-12-18 Bell Helicopter Textron Inc vedação de gás de flutuação livre
JP5225675B2 (ja) * 2005-04-28 2013-07-03 イーグル工業株式会社 メカニカルシール装置
US20070253809A1 (en) * 2006-05-01 2007-11-01 General Electric Company Methods and apparatus for assembling gas turbine engines
US20080018054A1 (en) * 2006-07-20 2008-01-24 General Electric Company Aspirating labyrinth seal
US7708520B2 (en) * 2006-11-29 2010-05-04 United Technologies Corporation Gas turbine engine with concave pocket with knife edge seal
US8167547B2 (en) * 2007-03-05 2012-05-01 United Technologies Corporation Gas turbine engine with canted pocket and canted knife edge seal
US8530050B2 (en) * 2007-05-22 2013-09-10 United Technologies Corporation Wear resistant coating
US8109717B2 (en) * 2007-08-17 2012-02-07 United Technologies Corp. Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals
US20090051120A1 (en) * 2007-08-23 2009-02-26 United Technologies Corp. Gas Turbine Engine Systems Involving Hydrostatic Face Seals
US8109716B2 (en) * 2007-08-17 2012-02-07 United Technologies Corp. Gas turbine engine systems involving hydrostatic face seals with anti-fouling provisioning
US8105021B2 (en) * 2007-08-20 2012-01-31 United Technologies Corp. Gas turbine engine systems involving hydrostatic face seals with integrated back-up seals
US7797941B2 (en) * 2007-10-26 2010-09-21 United Technologies Corporation Gas turbine engine systems involving hydrostatic face seals
US8167545B2 (en) * 2008-02-27 2012-05-01 United Technologies Corp. Self-balancing face seals and gas turbine engine systems involving such seals
US8181966B2 (en) 2009-01-12 2012-05-22 Kaydon Ring & Seal, Inc. Gas seal for aerospace engines and the like
US8777229B2 (en) * 2010-03-26 2014-07-15 United Technologies Corporation Liftoff carbon seal
US8714558B2 (en) 2010-09-30 2014-05-06 Eaton Corporation Welded bellows seal assembly
CN102913621B (zh) 2011-08-05 2015-11-25 哈米尔顿森德斯特兰德公司 碳密封件o型环腔尺寸设置
FR2989116B1 (fr) * 2012-04-05 2014-04-25 Snecma Dispositif d'etancheite inter-arbres coaxiaux d'une turbomachine
US10012315B2 (en) * 2016-05-23 2018-07-03 United Technologies Corporation Seal assembly
US10465544B2 (en) * 2017-07-24 2019-11-05 United Technologies Corporation Eddy current damper for lift off seal
US11035253B2 (en) * 2019-02-05 2021-06-15 Raytheon Technologies Corporation Face seal with damper
CN116696491A (zh) * 2022-03-03 2023-09-05 通用电气公司 用于涡轮发动机的密封组件和相关方法
US12345173B2 (en) 2023-11-27 2025-07-01 Honeywell International Inc. Gas turbine engines and methods for reducing spool thrust in a turbine section thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2222654A (en) * 1937-10-20 1940-11-26 Donaldson John Shearman Device for preventing the escape of fluid under pressure
US2586739A (en) * 1947-06-23 1952-02-19 Linear Inc Gas seal
GB653608A (en) * 1948-12-30 1951-05-16 British Thermostat Co Ltd Improvements in or relating to shaft seals
US2727765A (en) * 1952-01-02 1955-12-20 Phillips Petroleum Co Rotary mechanical seal
US3288474A (en) * 1963-06-14 1966-11-29 Gits Bros Mfg Co Bellows seal structure
GB2080891B (en) * 1980-07-24 1984-05-23 Crane Packing Ltd Shaft seals

Also Published As

Publication number Publication date
CA1234052A (en) 1988-03-15
JPH0325614B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-08
DE112268T1 (de) 1985-01-17
EP0112268A2 (en) 1984-06-27
JPS59115432A (ja) 1984-07-03
US4477088A (en) 1984-10-16
EP0112268B1 (en) 1987-07-08
EP0112268A3 (en) 1984-07-25

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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