WO2001007791A1 - Machine hydraulique turbo et joint a gaz a sec destine a cette machine - Google Patents
Machine hydraulique turbo et joint a gaz a sec destine a cette machine Download PDFInfo
- Publication number
- WO2001007791A1 WO2001007791A1 PCT/JP1999/003959 JP9903959W WO0107791A1 WO 2001007791 A1 WO2001007791 A1 WO 2001007791A1 JP 9903959 W JP9903959 W JP 9903959W WO 0107791 A1 WO0107791 A1 WO 0107791A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dry gas
- seal
- gas seal
- turbo
- stationary ring
- Prior art date
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
- F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
-
- 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
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0292—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
- F04D29/124—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps with special means for adducting cooling or sealing fluid
-
- 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
- F16J15/3464—Mounting of the seal
- F16J15/348—Pre-assembled seals, e.g. cartridge seals
- F16J15/3484—Tandem seals
-
- 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
- F16J15/3492—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member with monitoring or measuring means associated with the seal
-
- 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
- F05D2240/00—Components
- F05D2240/55—Seals
-
- 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
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/602—Drainage
- F05D2260/6022—Drainage of leakage having past a seal
-
- 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
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/301—Pressure
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/508,248 US6524059B1 (en) | 1999-07-23 | 1999-07-23 | Turbo fluid machinery and dry gas seal used for the machinery |
JP2001502637A JP3979091B2 (ja) | 1999-07-23 | 1999-07-23 | ターボ形流体機械及びそれに用いられるドライガスシール |
DE69943381T DE69943381D1 (de) | 1999-07-23 | 1999-07-23 | Gleitringdichtung für eine turbomaschine |
EP99931512A EP1207310B1 (en) | 1999-07-23 | 1999-07-23 | Dry gas seal for turbo fluid machinery |
PCT/JP1999/003959 WO2001007791A1 (fr) | 1999-07-23 | 1999-07-23 | Machine hydraulique turbo et joint a gaz a sec destine a cette machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1999/003959 WO2001007791A1 (fr) | 1999-07-23 | 1999-07-23 | Machine hydraulique turbo et joint a gaz a sec destine a cette machine |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/233,536 Continuation US6802689B2 (en) | 2000-03-09 | 2002-09-04 | Turbo type fluid machine and dry gas seal for use therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001007791A1 true WO2001007791A1 (fr) | 2001-02-01 |
Family
ID=14236287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003959 WO2001007791A1 (fr) | 1999-07-23 | 1999-07-23 | Machine hydraulique turbo et joint a gaz a sec destine a cette machine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6524059B1 (ja) |
EP (1) | EP1207310B1 (ja) |
JP (1) | JP3979091B2 (ja) |
DE (1) | DE69943381D1 (ja) |
WO (1) | WO2001007791A1 (ja) |
Cited By (10)
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JP2004169695A (ja) * | 2002-11-05 | 2004-06-17 | Nuovo Pignone Holding Spa | 安全特性を改善した遠心圧縮機の軸方向スラストつりあいシステム |
JP2007506021A (ja) * | 2003-09-18 | 2007-03-15 | ヌオーヴォ ピニォーネ ホールディング ソシエタ ペル アチオニ | 遠心圧縮機用ガスシールの熱交換器装置 |
JP2007177887A (ja) * | 2005-12-28 | 2007-07-12 | Hitachi Plant Technologies Ltd | 遠心圧縮機およびそれに用いるドライガスシールシステム |
JP2011074931A (ja) * | 2009-09-29 | 2011-04-14 | Ihi Corp | 可燃性ガス圧縮機のシール装置 |
JP2013210099A (ja) * | 2008-05-21 | 2013-10-10 | John Crane Inc | シール監視及び制御システム |
JP2014145333A (ja) * | 2013-01-30 | 2014-08-14 | Kawamoto Pump Mfg Co Ltd | 軸封構造、ポンプ装置 |
DE102014218937A1 (de) * | 2014-09-19 | 2016-03-24 | Siemens Aktiengesellschaft | Wellendichtung, Verfahren zum Betrieb |
CN111648831A (zh) * | 2020-05-20 | 2020-09-11 | 中国核动力研究设计院 | 一种超临界二氧化碳涡轮轴端密封失效保护装置及方法 |
JP2022523437A (ja) * | 2019-03-14 | 2022-04-22 | イーグルブルクマン ジャーマニー ゲセルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | 海洋スライドリングシール配列体 |
RU219265U1 (ru) * | 2023-04-19 | 2023-07-07 | Общество с ограниченной ответственностью "ТРЭМ-Казань" | Устройство отвода утечек технологического газа из газодинамических уплотнений центробежных компрессоров с использованием свободно-поршневого компрессора |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6802689B2 (en) * | 2000-03-09 | 2004-10-12 | Hitachi, Ltd. | Turbo type fluid machine and dry gas seal for use therefor |
US6789804B2 (en) * | 2001-07-23 | 2004-09-14 | Kaydon Corporation | Dry gas shutdown seal |
GB0202468D0 (en) * | 2002-02-02 | 2002-03-20 | Crane John Uk Ltd | Seals |
CA2441991C (en) * | 2003-09-19 | 2012-11-13 | Ronald R. Chisholm | Fluid transfer apparatus |
US20050242515A1 (en) * | 2004-04-28 | 2005-11-03 | Brooks Melvin D | Dry gas seal and method for making the same |
EP1712816A1 (de) * | 2005-04-14 | 2006-10-18 | Siemens Aktiengesellschaft | Dichtungssystem zur Abdichtung eines Prozessgasraumes gegen einen Dichtraum |
AU2006333510B2 (en) | 2005-12-23 | 2012-07-05 | Exxonmobil Upstream Research Company | Multi-compressor string with multiple variable speed fluid drives |
GB2442970B (en) * | 2006-07-11 | 2008-07-02 | Roper Ind Ltd | Packing case seal |
CA2607700A1 (en) * | 2006-11-03 | 2008-05-03 | General Electric Company | Mechanical sealing system and method for rotary machines |
US7854584B2 (en) * | 2007-05-24 | 2010-12-21 | General Electric Company | Barrier sealing system for centrifugal compressors |
CN101387532B (zh) * | 2007-12-25 | 2010-06-16 | 上海埃科燃气测控设备有限公司 | 防漏油式气体腰轮流量计及防漏油方法 |
US8061984B2 (en) * | 2009-04-06 | 2011-11-22 | Dresser-Rand Company | Dry gas blow down seal |
US8313281B2 (en) * | 2009-06-08 | 2012-11-20 | Sundyne Corporation | Tandem seal arrangement with reverse flow secondary seal |
IT1397059B1 (it) * | 2009-11-23 | 2012-12-28 | Nuovo Pignone Spa | Sistema di sigillo per gas secco a bassa emissione per compressori |
RU2560971C2 (ru) * | 2010-04-30 | 2015-08-20 | Сименс Акциенгезелльшафт | Система, включающая в себя уплотнение вала |
JP5231611B2 (ja) * | 2010-10-22 | 2013-07-10 | 株式会社神戸製鋼所 | 圧縮機 |
DE102011007071A1 (de) | 2011-04-08 | 2012-10-11 | Siemens Aktiengesellschaft | Wellendichtungseinsatz |
JP5753001B2 (ja) * | 2011-06-06 | 2015-07-22 | イーグル工業株式会社 | 軸封装置 |
CA2843799A1 (en) * | 2011-08-03 | 2013-02-07 | John Crane Inc. | Seal gas monitoring and control system |
ITCO20110057A1 (it) | 2011-12-05 | 2013-06-06 | Nuovo Pignone Spa | Tenuta a gas secco per buffer ad alta pressione di pompa per co2 supercritico |
DE102012219520A1 (de) * | 2012-10-25 | 2014-04-30 | Siemens Aktiengesellschaft | Prozessgasverdichter-Gasturbinenstrang |
US9624785B2 (en) | 2014-01-24 | 2017-04-18 | Solar Turbines Incorporated | System for monitoring health of a seal |
WO2015161158A1 (en) * | 2014-04-18 | 2015-10-22 | Delaware Capital Formation, Inc., | Pump with mechanical seal assembly |
DE102014208738B3 (de) * | 2014-05-09 | 2015-11-26 | Eagleburgmann Germany Gmbh & Co. Kg | Gleitringdichtungsanordnung mit verbesserter Gasabscheidung |
CN104389802B (zh) * | 2014-11-13 | 2017-09-26 | 宁波威孚天力增压技术股份有限公司 | 一种涡轮增压器实验室用压气机端漏油检测装置 |
JP6501391B2 (ja) | 2015-01-23 | 2019-04-17 | 三菱重工コンプレッサ株式会社 | 回転機械システム |
JP6468859B2 (ja) | 2015-01-23 | 2019-02-13 | 三菱重工コンプレッサ株式会社 | 回転機械システム |
US10683869B2 (en) | 2015-04-02 | 2020-06-16 | Mitsubishi Heavy Industries Compressor Corporation | Filter with integrated heater, and rotary machine system |
FR3035685B1 (fr) * | 2015-04-30 | 2019-04-05 | Valeo Systemes De Controle Moteur | Compresseur electrique avec systeme d'etancheite dynamique ameliore |
FR3035686B1 (fr) * | 2015-04-30 | 2019-03-22 | Valeo Systemes De Controle Moteur | Compresseur electrique avec systeme d'etancheite dynamqiue ameliore |
JP2017176912A (ja) * | 2016-03-28 | 2017-10-05 | 三菱重工コンプレッサ株式会社 | ヒータ一体型フィルタ、及び、回転機械システム |
WO2017214542A1 (en) | 2016-06-10 | 2017-12-14 | John Crane Uk Ltd. | Dry gas seal with electronically controlled shutdown valve |
US11796064B2 (en) | 2016-06-10 | 2023-10-24 | John Crane Uk Limited | Reduced emission gas seal |
WO2017214552A1 (en) * | 2016-06-10 | 2017-12-14 | John Crane Uk Ltd. | Reduced emission gas seal |
WO2018142535A1 (ja) * | 2017-02-02 | 2018-08-09 | 三菱重工コンプレッサ株式会社 | 回転機械 |
EP3536968B1 (en) | 2017-02-24 | 2021-03-31 | Mitsubishi Heavy Industries Compressor Corporation | Heater-integrated filter and rotating machine system |
US10677357B2 (en) | 2017-05-15 | 2020-06-09 | John Crane Uk Ltd. | Dry gas seal with electronically controlled carrier load |
US10563663B2 (en) * | 2018-04-06 | 2020-02-18 | Solar Turbines Incorporated | Nitrogen purge of compressor dry seal |
US20190353543A1 (en) * | 2018-05-21 | 2019-11-21 | Hanwha Power Systems Co., Ltd. | Axial thrust force balancing apparatus for an integrally geared compressor |
US11549516B2 (en) * | 2018-07-19 | 2023-01-10 | Ebara Corporation | Sealing system, and pump system including the sealing system |
EP3945131A1 (en) * | 2020-07-27 | 2022-02-02 | Api Schmidt-Bretten Gmbh&co. Kg | Method for monitoring a pump in a plant for reducing the alcoholic content in a beverage and such a plant |
CN114753890B (zh) * | 2022-04-27 | 2023-10-24 | 重庆江增船舶重工有限公司 | 一种超临界二氧化碳透平的干气密封及其泄漏量监测方法 |
WO2024088558A1 (en) * | 2022-10-24 | 2024-05-02 | Nuovo Pignone Tecnologie - S.R.L. | Dry gas seal arrangement, turbomachine including the arrangement and method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4874616A (ja) * | 1972-01-10 | 1973-10-08 | ||
JPH0429678A (ja) * | 1990-05-25 | 1992-01-31 | Hitachi Ltd | 非接触式ドライガスシールの異常検出システム |
JPH04187897A (ja) * | 1990-11-21 | 1992-07-06 | Hitachi Ltd | ドライガスシールの異常時のバックアップシステム |
JPH04236867A (ja) * | 1990-08-03 | 1992-08-25 | British Gas Plc | ガス圧力制御弁カートリッジ |
JPH04296678A (ja) | 1991-03-26 | 1992-10-21 | Sharp Corp | 半導体集積回路の設計段階における検証方法 |
JPH05310446A (ja) * | 1992-05-07 | 1993-11-22 | Furukawa Electric Co Ltd:The | 光ファイバ心線の製造方法 |
JPH07208330A (ja) * | 1993-12-01 | 1995-08-08 | Ebara Corp | ポンプ装置 |
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FR2356064A1 (fr) * | 1976-02-09 | 1978-01-20 | Commissariat Energie Atomique | Dispositif d'etancheite pour sortie d'arbre de machine tournante |
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CA1326476C (en) * | 1988-09-30 | 1994-01-25 | Vaclav Kulle | Gas compressor having dry gas seals for balancing end thrust |
JPH0769022B2 (ja) | 1990-08-16 | 1995-07-26 | 株式会社神戸製鋼所 | 無給油式圧縮機の軸封装置 |
DE4216006C1 (ja) * | 1992-05-12 | 1993-04-29 | Mannesmann Ag, 4000 Duesseldorf, De | |
CH686525A5 (de) * | 1992-07-02 | 1996-04-15 | Escher Wyss Ag | Turbomaschine . |
JPH06174106A (ja) | 1992-12-11 | 1994-06-24 | Kobe Steel Ltd | 無給油式圧縮機の軸封装置 |
-
1999
- 1999-07-23 JP JP2001502637A patent/JP3979091B2/ja not_active Expired - Fee Related
- 1999-07-23 WO PCT/JP1999/003959 patent/WO2001007791A1/ja active Search and Examination
- 1999-07-23 US US09/508,248 patent/US6524059B1/en not_active Expired - Lifetime
- 1999-07-23 EP EP99931512A patent/EP1207310B1/en not_active Expired - Lifetime
- 1999-07-23 DE DE69943381T patent/DE69943381D1/de not_active Expired - Lifetime
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JPS4874616A (ja) * | 1972-01-10 | 1973-10-08 | ||
JPH0429678A (ja) * | 1990-05-25 | 1992-01-31 | Hitachi Ltd | 非接触式ドライガスシールの異常検出システム |
JPH04236867A (ja) * | 1990-08-03 | 1992-08-25 | British Gas Plc | ガス圧力制御弁カートリッジ |
JPH04187897A (ja) * | 1990-11-21 | 1992-07-06 | Hitachi Ltd | ドライガスシールの異常時のバックアップシステム |
JPH04296678A (ja) | 1991-03-26 | 1992-10-21 | Sharp Corp | 半導体集積回路の設計段階における検証方法 |
JPH05310446A (ja) * | 1992-05-07 | 1993-11-22 | Furukawa Electric Co Ltd:The | 光ファイバ心線の製造方法 |
JPH07208330A (ja) * | 1993-12-01 | 1995-08-08 | Ebara Corp | ポンプ装置 |
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Title |
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See also references of EP1207310A4 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4520723B2 (ja) * | 2002-11-05 | 2010-08-11 | ヌオーヴォ ピニォーネ ホールディング ソシエタ ペル アチオニ | 安全特性を改善した遠心圧縮機の軸方向スラストつりあいシステム |
JP2004169695A (ja) * | 2002-11-05 | 2004-06-17 | Nuovo Pignone Holding Spa | 安全特性を改善した遠心圧縮機の軸方向スラストつりあいシステム |
JP4729493B2 (ja) * | 2003-09-18 | 2011-07-20 | ヌオーヴォ ピニォーネ ホールディング ソシエタ ペル アチオニ | 遠心圧縮機用ガスシールの熱交換器装置 |
JP2007506021A (ja) * | 2003-09-18 | 2007-03-15 | ヌオーヴォ ピニォーネ ホールディング ソシエタ ペル アチオニ | 遠心圧縮機用ガスシールの熱交換器装置 |
JP2007177887A (ja) * | 2005-12-28 | 2007-07-12 | Hitachi Plant Technologies Ltd | 遠心圧縮機およびそれに用いるドライガスシールシステム |
US7854587B2 (en) | 2005-12-28 | 2010-12-21 | Hitachi Plant Technologies, Ltd. | Centrifugal compressor and dry gas seal system for use in it |
JP2013210099A (ja) * | 2008-05-21 | 2013-10-10 | John Crane Inc | シール監視及び制御システム |
JP2011074931A (ja) * | 2009-09-29 | 2011-04-14 | Ihi Corp | 可燃性ガス圧縮機のシール装置 |
JP2014145333A (ja) * | 2013-01-30 | 2014-08-14 | Kawamoto Pump Mfg Co Ltd | 軸封構造、ポンプ装置 |
DE102014218937A1 (de) * | 2014-09-19 | 2016-03-24 | Siemens Aktiengesellschaft | Wellendichtung, Verfahren zum Betrieb |
JP2022523437A (ja) * | 2019-03-14 | 2022-04-22 | イーグルブルクマン ジャーマニー ゲセルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | 海洋スライドリングシール配列体 |
JP7219350B2 (ja) | 2019-03-14 | 2023-02-07 | イーグルブルクマン ジャーマニー ゲセルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | 海洋スライドリングシール配列体 |
CN111648831A (zh) * | 2020-05-20 | 2020-09-11 | 中国核动力研究设计院 | 一种超临界二氧化碳涡轮轴端密封失效保护装置及方法 |
CN111648831B (zh) * | 2020-05-20 | 2024-05-07 | 中国核动力研究设计院 | 一种超临界二氧化碳涡轮轴端密封失效保护装置及方法 |
RU219265U1 (ru) * | 2023-04-19 | 2023-07-07 | Общество с ограниченной ответственностью "ТРЭМ-Казань" | Устройство отвода утечек технологического газа из газодинамических уплотнений центробежных компрессоров с использованием свободно-поршневого компрессора |
Also Published As
Publication number | Publication date |
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DE69943381D1 (de) | 2011-06-01 |
EP1207310A1 (en) | 2002-05-22 |
EP1207310A4 (en) | 2005-12-07 |
EP1207310B1 (en) | 2011-04-20 |
US6524059B1 (en) | 2003-02-25 |
JP3979091B2 (ja) | 2007-09-19 |
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