EP0690204A3 - Steamturbine with at least two seals in the casing for sealing the same - Google Patents

Steamturbine with at least two seals in the casing for sealing the same Download PDF

Info

Publication number
EP0690204A3
EP0690204A3 EP95109678A EP95109678A EP0690204A3 EP 0690204 A3 EP0690204 A3 EP 0690204A3 EP 95109678 A EP95109678 A EP 95109678A EP 95109678 A EP95109678 A EP 95109678A EP 0690204 A3 EP0690204 A3 EP 0690204A3
Authority
EP
European Patent Office
Prior art keywords
steamturbine
seals
casing
sealing
same
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.)
Granted
Application number
EP95109678A
Other languages
German (de)
French (fr)
Other versions
EP0690204B1 (en
EP0690204A2 (en
Inventor
Karl Urlichs
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.)
Alstom SA
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0690204A2 publication Critical patent/EP0690204A2/en
Publication of EP0690204A3 publication Critical patent/EP0690204A3/en
Application granted granted Critical
Publication of EP0690204B1 publication Critical patent/EP0690204B1/en
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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F01D11/06—Control thereof
    • 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
EP95109678A 1994-06-28 1995-06-22 Steamturbine with at least two seals in the casing for sealing the same Expired - Lifetime EP0690204B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4422594 1994-06-28
DE4422594A DE4422594A1 (en) 1994-06-28 1994-06-28 Condensation turbine with at least two seals for sealing the turbine housing

Publications (3)

Publication Number Publication Date
EP0690204A2 EP0690204A2 (en) 1996-01-03
EP0690204A3 true EP0690204A3 (en) 1997-11-19
EP0690204B1 EP0690204B1 (en) 2002-10-23

Family

ID=6521707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95109678A Expired - Lifetime EP0690204B1 (en) 1994-06-28 1995-06-22 Steamturbine with at least two seals in the casing for sealing the same

Country Status (6)

Country Link
US (1) US5577885A (en)
EP (1) EP0690204B1 (en)
JP (1) JP3696657B2 (en)
DE (2) DE4422594A1 (en)
DK (1) DK0690204T3 (en)
FI (1) FI112108B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29806905U1 (en) * 1998-04-16 1998-07-09 Burgmann Dichtungswerk Feodor Mechanical seal arrangement, in particular for liquid gas sealing
DE19831988A1 (en) * 1998-07-16 2000-01-20 Abb Patent Gmbh Turbo machine with mechanical seals
DE19951570A1 (en) 1999-10-27 2001-05-03 Abb Patent Gmbh Device for compensating the axial thrust in turbomachinery
US9363481B2 (en) * 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US8146922B2 (en) * 2008-06-25 2012-04-03 Dresser-Rand Company Shaft isolation seal
EP2262101A1 (en) * 2009-06-12 2010-12-15 Siemens Aktiengesellschaft Method and assembly for turning-gear operation of a turbo-generating set
US20110164965A1 (en) * 2010-01-06 2011-07-07 General Electric Company Steam turbine stationary component seal
US9790863B2 (en) 2013-04-05 2017-10-17 Honeywell International Inc. Fluid transfer seal assemblies, fluid transfer systems, and methods for transferring process fluid between stationary and rotating components using the same
EP3517787B1 (en) * 2017-02-02 2021-05-26 Mitsubishi Heavy Industries Compressor Corporation Compressor

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE706180C (en) * 1938-12-30 1941-05-20 I G Farbenindustrie Akt Ges Stuffing box
US3392983A (en) * 1965-10-22 1968-07-16 Atomic Energy Commission Usa Safety control device for use with mechanical seals
DE3119467A1 (en) * 1981-05-15 1982-12-09 MTU Motoren- und Turbinen-Union München GmbH, 8000 München "MECHANICAL SEAL WITH GAS DYNAMIC LUBRICATION FOR HIGH-DOOR TURBO MACHINES"
JPS59192803A (en) * 1983-04-14 1984-11-01 Mitsubishi Heavy Ind Ltd Gland sealing device of steam turbine
DE3815679A1 (en) * 1988-05-07 1989-11-16 Kuehnle Kopp Kausch Ag Radial-flow turbine
US4993917A (en) * 1988-09-30 1991-02-19 Nova Corporation Of Alberta Gas compressor having dry gas seals
JPH04187897A (en) * 1990-11-21 1992-07-06 Hitachi Ltd Backup system in case of abnormality of dry-gas seal
JPH05231103A (en) * 1992-02-24 1993-09-07 Fuji Electric Co Ltd Shaft sealing pressure controller for condensing turbine
EP0570086A1 (en) * 1992-05-12 1993-11-18 MANNESMANN Aktiengesellschaft Gas lubricated triple-mechanical seal for turbomachines
EP0576859A1 (en) * 1992-07-02 1994-01-05 Sulzer Turbo AG Turbo machine with axial dry gas seal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557664A (en) * 1983-04-13 1985-12-10 Dresser Industries, Inc. Control of steam turbine shaft thrust loads
JPS59226206A (en) * 1983-06-06 1984-12-19 Hitachi Ltd Protective device of steam turbine
DE3533829A1 (en) 1985-09-23 1987-04-02 Aeg Kanis Turbinen Sealing device with a gas-lubricated mechanical seal
US5375853B1 (en) * 1992-09-18 1998-05-05 Crane John Inc Gas lubricated barrier seal

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE706180C (en) * 1938-12-30 1941-05-20 I G Farbenindustrie Akt Ges Stuffing box
US3392983A (en) * 1965-10-22 1968-07-16 Atomic Energy Commission Usa Safety control device for use with mechanical seals
DE3119467A1 (en) * 1981-05-15 1982-12-09 MTU Motoren- und Turbinen-Union München GmbH, 8000 München "MECHANICAL SEAL WITH GAS DYNAMIC LUBRICATION FOR HIGH-DOOR TURBO MACHINES"
JPS59192803A (en) * 1983-04-14 1984-11-01 Mitsubishi Heavy Ind Ltd Gland sealing device of steam turbine
DE3815679A1 (en) * 1988-05-07 1989-11-16 Kuehnle Kopp Kausch Ag Radial-flow turbine
US4993917A (en) * 1988-09-30 1991-02-19 Nova Corporation Of Alberta Gas compressor having dry gas seals
JPH04187897A (en) * 1990-11-21 1992-07-06 Hitachi Ltd Backup system in case of abnormality of dry-gas seal
JPH05231103A (en) * 1992-02-24 1993-09-07 Fuji Electric Co Ltd Shaft sealing pressure controller for condensing turbine
EP0570086A1 (en) * 1992-05-12 1993-11-18 MANNESMANN Aktiengesellschaft Gas lubricated triple-mechanical seal for turbomachines
EP0576859A1 (en) * 1992-07-02 1994-01-05 Sulzer Turbo AG Turbo machine with axial dry gas seal

Also Published As

Publication number Publication date
JP3696657B2 (en) 2005-09-21
FI112108B (en) 2003-10-31
FI953171A0 (en) 1995-06-27
EP0690204B1 (en) 2002-10-23
US5577885A (en) 1996-11-26
EP0690204A2 (en) 1996-01-03
JPH0849503A (en) 1996-02-20
FI953171A (en) 1995-12-29
DE4422594A1 (en) 1996-01-04
DK0690204T3 (en) 2002-12-02
DE59510430D1 (en) 2002-11-28

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