GB1368875A - Shaft seal - Google Patents

Shaft seal

Info

Publication number
GB1368875A
GB1368875A GB2390872A GB2390872A GB1368875A GB 1368875 A GB1368875 A GB 1368875A GB 2390872 A GB2390872 A GB 2390872A GB 2390872 A GB2390872 A GB 2390872A GB 1368875 A GB1368875 A GB 1368875A
Authority
GB
United Kingdom
Prior art keywords
pressure
shaft
buffer fluid
pistons
crankcase
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
GB2390872A
Other languages
English (en)
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.)
Thermo Fisher Scientific Inc
Original Assignee
Thermo Electron 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 Thermo Electron Corp filed Critical Thermo Electron Corp
Publication of GB1368875A publication Critical patent/GB1368875A/en
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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • 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
    • Y10S277/927—Seal including fluid pressure differential feature
    • 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
    • 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
    • Y10S417/00—Pumps
    • Y10S417/901—Cryogenic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Of Bearings (AREA)
GB2390872A 1971-05-28 1972-05-22 Shaft seal Expired GB1368875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14802771A 1971-05-28 1971-05-28

Publications (1)

Publication Number Publication Date
GB1368875A true GB1368875A (en) 1974-10-02

Family

ID=22523916

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2390872A Expired GB1368875A (en) 1971-05-28 1972-05-22 Shaft seal

Country Status (8)

Country Link
US (1) US3740057A (de)
JP (1) JPS5338373B1 (de)
CA (1) CA1017378A (de)
DE (1) DE2225259C3 (de)
FR (1) FR2139980B1 (de)
GB (1) GB1368875A (de)
IT (1) IT955926B (de)
SE (1) SE388919B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979104A (en) * 1974-01-17 1976-09-07 Westinghouse Electric Corporation Shaft sealing device for a butterfly valve
DE2625153C2 (de) * 1976-06-04 1983-07-14 Leybold-Heraeus GmbH, 5000 Köln Wellendichtung
US4078809A (en) * 1977-01-17 1978-03-14 Carrier Corporation Shaft seal assembly for a rotary machine
US4384724A (en) * 1978-08-17 1983-05-24 Derman Karl G E Sealing device
US4307889A (en) * 1980-01-25 1981-12-29 Nl Industries, Inc. Apparatus utilizing rotary motion of a member as the motive force for a pump
NL8102875A (nl) * 1980-06-26 1982-01-18 Toyo Denki Kogyosho Co Ltd Werkwijze en mechanisme voor het regelen van de druk bij as afdichtend gedeelte van een inrichting.
GB2111607B (en) * 1981-12-08 1985-09-18 Rolls Royce Bearing chamber pressurisation system for a machine
DE3227234A1 (de) * 1982-07-21 1984-01-26 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Gleichdruck-sperrfluessigkeitsbehaelter fuer gleitringdichtungen
DE3227235A1 (de) * 1982-07-21 1984-01-26 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Druckuebersetzer fuer sperrfluessigkeitssysteme von gleitringdichtungen
AT387267B (de) * 1986-05-12 1988-12-27 Stoeller Walter Gleitringdichtung
DE4003214C2 (de) * 1990-01-31 1994-06-30 Mannesmann Ag Verfahren und Einrichtung zum Ausgleich von Leckflüssigkeitsverlusten einer Sperrflüssigkeitsanlage
US5529314A (en) * 1993-09-13 1996-06-25 Ekstam; Charles L. Pump shaft lubricated bearing fluid seal assembly
DE4343389A1 (de) * 1993-12-18 1995-06-22 Koellemann A J Gmbh Welleneinheit für Überdruck-Prozeßmaschinen
CA2167424C (en) * 1995-02-02 2002-02-19 David C. Orlowski Emission seal
DE29614698U1 (de) * 1996-08-23 1996-10-10 Feodor Burgmann Dichtungswerke GmbH & Co., 82515 Wolfratshausen Drucküberwachungseinrichtung
US5803463A (en) * 1996-08-29 1998-09-08 Durametallic Corporation Grease seal
US6729310B2 (en) * 2001-02-20 2004-05-04 Charles L. Ekstam Fuel delivery system
JP4071552B2 (ja) * 2001-07-10 2008-04-02 本田技研工業株式会社 ランキンサイクル装置
WO2010009358A1 (en) * 2008-07-17 2010-01-21 Lawrence Pumps, Inc. Apparatus for simultaneous support of pressurized and unpressurized mechanical shaft sealing barrier fluid systems
US9689281B2 (en) * 2011-12-22 2017-06-27 Nanjing Tica Air-Conditioning Co., Ltd. Hermetic motor cooling for high temperature organic Rankine cycle system
NL2010696C2 (en) * 2013-04-24 2014-10-27 Ihc Holland Ie Bv Pressure compensator.
NL2010697C2 (en) 2013-04-24 2014-10-27 Ihc Holland Ie Bv Pressure compensation device.
US10550949B2 (en) * 2016-08-23 2020-02-04 Onesubsea Ip Uk Limited Barrier fluid pressure system and method
NO345443B1 (en) * 2017-12-28 2021-02-01 Tocircle Ind As A sealing arrangement and method of sealing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2226001A (en) * 1938-05-06 1940-12-24 Bour Harry E La Gland
FR1355976A (fr) * 1962-04-25 1964-03-20 Nat Res Dev Dispositifs perfectionnés de joint étanche aux fluides, notamment pour un axe ou arbre animé d'un mouvement

Also Published As

Publication number Publication date
FR2139980A1 (de) 1973-01-12
SE388919B (sv) 1976-10-18
DE2225259C3 (de) 1975-05-07
FR2139980B1 (de) 1973-07-13
CA1017378A (en) 1977-09-13
IT955926B (it) 1973-09-29
US3740057A (en) 1973-06-19
DE2225259B2 (de) 1974-09-19
DE2225259A1 (de) 1972-12-07
JPS5338373B1 (de) 1978-10-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee