JPS5723118B2 - - Google Patents

Info

Publication number
JPS5723118B2
JPS5723118B2 JP6512976A JP6512976A JPS5723118B2 JP S5723118 B2 JPS5723118 B2 JP S5723118B2 JP 6512976 A JP6512976 A JP 6512976A JP 6512976 A JP6512976 A JP 6512976A JP S5723118 B2 JPS5723118 B2 JP S5723118B2
Authority
JP
Japan
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
JP6512976A
Other versions
JPS529102A (en
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 filed Critical
Publication of JPS529102A publication Critical patent/JPS529102A/ja
Publication of JPS5723118B2 publication Critical patent/JPS5723118B2/ja
Granted 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
    • 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
    • Y10S277/914—Backup seal for failure of primary seal
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Sealing Devices (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
JP51065129A 1975-07-11 1976-06-03 Sealing means for preventing gas leakage at one end of rotating shaft in centrifugal compressor Granted JPS529102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7521983A FR2317528A1 (fr) 1975-07-11 1975-07-11 Dispositif d'etancheite contre les sorties de gaz aux extremites de l'arbre rotatif d'un compresseur centrifuge

Publications (2)

Publication Number Publication Date
JPS529102A JPS529102A (en) 1977-01-24
JPS5723118B2 true JPS5723118B2 (ja) 1982-05-17

Family

ID=9157880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51065129A Granted JPS529102A (en) 1975-07-11 1976-06-03 Sealing means for preventing gas leakage at one end of rotating shaft in centrifugal compressor

Country Status (6)

Country Link
US (1) US3994503A (ja)
JP (1) JPS529102A (ja)
DE (1) DE2545816C3 (ja)
FR (1) FR2317528A1 (ja)
GB (1) GB1514003A (ja)
IT (1) IT1062317B (ja)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620569B2 (ja) * 1973-09-21 1981-05-14
IT1075397B (it) * 1977-04-15 1985-04-22 Snam Progetti Reattore per metanazione
JPS5463403A (en) * 1977-10-31 1979-05-22 Toshiba Corp Pump device
JPS6137837Y2 (ja) * 1980-12-09 1986-11-01
DE3321598A1 (de) * 1982-07-09 1984-01-19 Cryomec AG, 4123 Allschwil Doppelte gleitringdichtung
DE3347263C2 (de) * 1983-12-28 1995-07-13 Friatec Rheinhuette Gmbh & Co Verfahren und Vorrichtung zum Abdichten einer Pumpenwelle
US5746435A (en) * 1994-09-30 1998-05-05 Arbuckle; Donald P. Dual seal barrier fluid leakage control method
DE19502079A1 (de) * 1995-01-24 1996-07-25 Mtu Muenchen Gmbh Gleitringdichtung für Turbomaschinen, insbesondere Gasturbinentriebwerke
DE29807796U1 (de) * 1998-04-30 1999-09-09 Ghh Rand Schraubenkompressoren Dichtungsanordnung für einen Wellenzapfen eines trockenlaufenden Rotationsschraubenverdichters
DE69930943D1 (de) * 1998-08-17 2006-05-24 Donald Philip Arbuckle Integrierte abdichtungsschutzvorrichtung gegen flüssigkeiten mit visuellervolumenangabe
BE1013829A3 (nl) * 2000-11-09 2002-09-03 Atlas Copco Airpower Nv Werkwijze voor het afdichten van een as van een rotor van in een compressorelement en daarbij gebruikte afdichting.
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
US20040222594A1 (en) * 2003-05-08 2004-11-11 Dresser-Rand Company Oil film sealing device for a rotating shaft
JP4642788B2 (ja) * 2007-01-22 2011-03-02 株式会社荏原製作所 多段高圧ポンプ
JP4898743B2 (ja) * 2008-06-09 2012-03-21 三菱重工業株式会社 回転機械のシール構造
DE102012006328A1 (de) * 2011-03-29 2012-10-04 Alstrom Technology Ltd. Filmgleitdichtung für Turbinen
DE102011075172A1 (de) * 2011-05-03 2012-11-08 Krones Aktiengesellschaft Sperrwassersystem
CN103234042B (zh) * 2013-06-01 2015-05-13 四川日机密封件股份有限公司 停车安全密封装置
US9803639B2 (en) 2014-12-19 2017-10-31 Ghh-Rand Schraubenkompressoren Gmbh Sectional sealing system for rotary screw compressor
CN104896104B (zh) * 2015-05-25 2017-01-04 浙江工业大学 一种闭合力在线可调的气体润滑机械密封装置
WO2017214542A1 (en) 2016-06-10 2017-12-14 John Crane Uk Ltd. Dry gas seal with electronically controlled shutdown valve
CN106122484B (zh) * 2016-08-18 2017-12-05 浙江工业大学 用于动静压型干气密封的内置密封介质节流调控装置
US10677357B2 (en) 2017-05-15 2020-06-09 John Crane Uk Ltd. Dry gas seal with electronically controlled carrier load
JPWO2019021958A1 (ja) 2017-07-26 2020-07-30 株式会社荏原製作所 ポンプおよびシールシステム
CN109798361B (zh) * 2019-03-05 2024-03-26 浙江工业大学 一种带轴向泄压阀的自适应静压干气密封结构
CN111102356B (zh) * 2020-01-13 2023-01-20 西安瑞联新材料股份有限公司 一种双端面机械密封

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984507A (en) * 1957-08-22 1961-05-16 Allis Chalmers Mfg Co Baffle to protect axial contact seal
GB954788A (en) * 1962-09-05 1964-04-08 Stal Laval Turbin Ab Method of sealing a turbine or compressor shaft
US3176996A (en) * 1962-10-12 1965-04-06 Barnett Leon Truman Oil balanced shaft seal
US3360272A (en) * 1964-08-17 1967-12-26 Borg Warner Pressure staging mechanical seal
US3403915A (en) * 1966-01-18 1968-10-01 Harrison W. Roberts Differential pressure responsive shaft seal apparatus
US3529835A (en) * 1969-05-15 1970-09-22 Hydril Co Kelly packer and lubricator
CH572174A5 (ja) * 1972-06-09 1976-01-30 Burgmann Dichtungswerk Feodor
DE2249974C3 (de) * 1972-10-12 1980-10-02 Mannesmann Demag Ag, 4100 Duisburg Vorrichtung zum Verschließen der Wellendurchführung an Strömungsmaschinen während ihres Stillstandes, wie Turboverdichter oder dergleichen

Also Published As

Publication number Publication date
DE2545816B2 (de) 1978-03-23
JPS529102A (en) 1977-01-24
GB1514003A (en) 1978-06-14
DE2545816A1 (de) 1977-01-13
IT1062317B (it) 1984-10-10
FR2317528B1 (ja) 1978-07-28
US3994503A (en) 1976-11-30
DE2545816C3 (de) 1981-12-10
FR2317528A1 (fr) 1977-02-04

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