DE102015103537A1 - Gleitringdichtung mit lokal nachgiebigen hydrodynamischen Belägen - Google Patents

Gleitringdichtung mit lokal nachgiebigen hydrodynamischen Belägen Download PDF

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Publication number
DE102015103537A1
DE102015103537A1 DE102015103537.5A DE102015103537A DE102015103537A1 DE 102015103537 A1 DE102015103537 A1 DE 102015103537A1 DE 102015103537 A DE102015103537 A DE 102015103537A DE 102015103537 A1 DE102015103537 A1 DE 102015103537A1
Authority
DE
Germany
Prior art keywords
ring
hydrodynamic
rotor
stator ring
primary
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.)
Withdrawn
Application number
DE102015103537.5A
Other languages
German (de)
English (en)
Inventor
Azam Mihir Thatte
Rahul Anil Bidkar
Xiaoqing Zheng
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE102015103537A1 publication Critical patent/DE102015103537A1/de
Withdrawn legal-status Critical Current

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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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
    • 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
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • F01D25/22—Lubricating arrangements using working-fluid or other gaseous fluid as lubricant
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Mechanical Sealing (AREA)
DE102015103537.5A 2014-03-26 2015-03-11 Gleitringdichtung mit lokal nachgiebigen hydrodynamischen Belägen Withdrawn DE102015103537A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/226,617 US9611749B2 (en) 2014-03-26 2014-03-26 Face seal with locally compliant hydrodynamic pads
US14/226,617 2014-03-26

Publications (1)

Publication Number Publication Date
DE102015103537A1 true DE102015103537A1 (de) 2015-10-01

Family

ID=54066940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102015103537.5A Withdrawn DE102015103537A1 (de) 2014-03-26 2015-03-11 Gleitringdichtung mit lokal nachgiebigen hydrodynamischen Belägen

Country Status (6)

Country Link
US (1) US9611749B2 (enExample)
JP (1) JP6632206B2 (enExample)
KR (1) KR20150111854A (enExample)
CN (1) CN104948238A (enExample)
CH (1) CH709443A2 (enExample)
DE (1) DE102015103537A1 (enExample)

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US10415413B2 (en) 2016-09-01 2019-09-17 United Technologies Corporation Floating non-contact seal vertical lip
PL3542033T3 (pl) * 2016-11-18 2024-02-05 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Dysza wlotowa o niskim współczynniku tarcia do turboekspandera
US10746039B2 (en) 2017-09-25 2020-08-18 United Technologies Corporation Hydrostatic seal pinned cartridge
US10626744B2 (en) 2017-09-29 2020-04-21 United Technologies Corporation Dual hydorstatic seal assembly
US10731496B2 (en) 2018-01-17 2020-08-04 Raytheon Technologies Corporation Bearing-supported seal
US20190226585A1 (en) * 2018-01-25 2019-07-25 General Electric Company Hydrodynamic Intershaft Piston Ring Seal
CN108525039A (zh) * 2018-05-14 2018-09-14 苏州心擎医疗技术有限公司 泵装置
US10900570B2 (en) * 2018-11-27 2021-01-26 General Electric Company Aspirating face seal assembly for a rotary machine
US10895324B2 (en) * 2018-11-27 2021-01-19 General Electric Company Aspirating face seal assembly for a rotary machine
JPWO2020130124A1 (ja) * 2018-12-20 2021-09-30 株式会社Ihi スラストフォイル軸受
WO2025170973A1 (en) * 2024-02-05 2025-08-14 Georgia Southern University Research And Service Foundation, Inc. A self-throttling mechanical seal

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US4212475A (en) 1979-01-15 1980-07-15 Crane Packing Co. Self aligning spiral groove face seal
IL65289A0 (en) 1982-03-19 1982-05-31 Lipschitz Abraham Hydrodynamic non-contacting seal for rotary machines
US4576384A (en) 1985-01-03 1986-03-18 A. W. Chesterton Company Split mechanical face seal
US5246295A (en) 1991-10-30 1993-09-21 Ide Russell D Non-contacting mechanical face seal of the gap-type
US4738453A (en) 1987-08-17 1988-04-19 Ide Russell D Hydrodynamic face seal with lift pads
US5143384A (en) 1989-04-14 1992-09-01 Eg&G Sealol, Inc. Bi-directional, non-contact face seal
US5199720A (en) 1990-05-25 1993-04-06 John Crane, Inc. Split mechanical face seal
US5066026A (en) 1990-06-11 1991-11-19 Kaydon Corporation Gas face seal
GB9214282D0 (en) 1992-07-04 1992-08-19 Crane John Uk Ltd Seals
US5399024A (en) * 1994-01-12 1995-03-21 Dresser-Rand Company Face seal with hydrodynamic thrust pads
US5558341A (en) * 1995-01-11 1996-09-24 Stein Seal Company Seal for sealing an incompressible fluid between a relatively stationary seal and a movable member
US5938206A (en) * 1996-11-01 1999-08-17 John Crane Inc. Pressure responsive primary ring for a non-contacting mechanical end face seal
US6152452A (en) 1997-10-17 2000-11-28 Wang; Yuming Face seal with spiral grooves
US6179555B1 (en) 1998-10-06 2001-01-30 Pratt & Whitney Canada Corp. Sealing of T.O.B.I feed plenum
US6142479A (en) 1998-10-14 2000-11-07 Jm Clipper Corporation Split labyrinth seal
AU771741B2 (en) 1999-07-15 2004-04-01 Christopher Frederick Bayne Shaft seals for sealing pulverulent solids
US6390477B1 (en) 1999-10-14 2002-05-21 Garlock Inc Rotary shaft bearing isolator seal
US6485023B2 (en) 2000-05-04 2002-11-26 Flowserve Management Company Split mechanical face seal
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US6446976B1 (en) 2000-09-06 2002-09-10 Flowserve Management Company Hydrodynamic face seal with grooved sealing dam for zero-leakage
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JP2009257445A (ja) * 2008-04-16 2009-11-05 Mitsubishi Heavy Ind Ltd ティルティングパッドスラスト軸受
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US20120248704A1 (en) * 2011-03-29 2012-10-04 Alstom Technology Ltd. Film riding seal for turbines
US9540942B2 (en) * 2012-04-13 2017-01-10 General Electric Company Shaft sealing system for steam turbines

Also Published As

Publication number Publication date
KR20150111854A (ko) 2015-10-06
CN104948238A (zh) 2015-09-30
US20150275685A1 (en) 2015-10-01
US9611749B2 (en) 2017-04-04
CH709443A2 (de) 2015-09-30
JP6632206B2 (ja) 2020-01-22
JP2015187443A (ja) 2015-10-29

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee