TWI407028B - - Google Patents

Info

Publication number
TWI407028B
TWI407028B TW099124416A TW99124416A TWI407028B TW I407028 B TWI407028 B TW I407028B TW 099124416 A TW099124416 A TW 099124416A TW 99124416 A TW99124416 A TW 99124416A TW I407028 B TWI407028 B TW I407028B
Authority
TW
Taiwan
Prior art keywords
seal
outer ring
ring
rotary shaft
magnetic
Prior art date
Application number
TW099124416A
Other languages
English (en)
Chinese (zh)
Other versions
TW201204966A (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
Priority to TW099124416A priority Critical patent/TW201204966A/zh
Priority to US12/882,269 priority patent/US8419019B2/en
Publication of TW201204966A publication Critical patent/TW201204966A/zh
Application granted granted Critical
Publication of TWI407028B publication Critical patent/TWI407028B/zh

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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • 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
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • 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
    • 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
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
TW099124416A 2010-07-23 2010-07-23 Magnetic fluid sealing device TW201204966A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW099124416A TW201204966A (en) 2010-07-23 2010-07-23 Magnetic fluid sealing device
US12/882,269 US8419019B2 (en) 2010-07-23 2010-09-15 Magnetic fluid shaft-sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW099124416A TW201204966A (en) 2010-07-23 2010-07-23 Magnetic fluid sealing device

Publications (2)

Publication Number Publication Date
TW201204966A TW201204966A (en) 2012-02-01
TWI407028B true TWI407028B (enExample) 2013-09-01

Family

ID=45492968

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099124416A TW201204966A (en) 2010-07-23 2010-07-23 Magnetic fluid sealing device

Country Status (2)

Country Link
US (1) US8419019B2 (enExample)
TW (1) TW201204966A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102906473B (zh) * 2010-05-21 2015-04-08 谐波传动系统有限公司 密封用旋转输出单元及密封用电动机组装件
EP2672152B1 (en) * 2011-02-03 2017-10-11 Eagle Industry Co., Ltd. Magnetic fluid seal
CN102734151A (zh) * 2012-07-06 2012-10-17 白银鸿浩化工机械制造有限公司 一种矿浆泵的非接触式密封
WO2015082497A1 (de) * 2013-12-02 2015-06-11 Burckhardt Compression Ag Dichtungsanordnung und verfahren zum betrieb derselben
WO2015094274A1 (en) 2013-12-19 2015-06-25 Halliburton Energy Services, Inc. Intervention tool for delivering self-assembling repair fluid
CA2927574C (en) 2013-12-19 2018-03-20 Halliburton Energy Services, Inc. Self-assembling packer
JP6029241B2 (ja) * 2013-12-24 2016-11-24 株式会社リガク 磁性流体シール装置
EP3039223A1 (en) 2013-12-30 2016-07-06 Halliburton Energy Services, Inc. Ferrofluid tool for isolation of objects in a wellbore
WO2015102563A1 (en) 2013-12-30 2015-07-09 Halliburtion Energy Services, Inc. Ferrofluid tool for influencing electrically conductive paths in a wellbore
EP3047099A1 (en) 2013-12-30 2016-07-27 Halliburton Energy Services, Inc. Ferrofluid tool for enhancing magnetic fields in a wellbore
MX2016006840A (es) 2013-12-30 2016-12-16 Halliburton Energy Services Inc Herramienta de ferrofluido para brindar estructuras modificables en pozos de sondeo.
US10876378B2 (en) 2015-06-30 2020-12-29 Halliburton Energy Services, Inc. Outflow control device for creating a packer
JP6603062B2 (ja) * 2015-07-31 2019-11-06 株式会社シマノ 魚釣用リール
US11215286B2 (en) * 2018-07-04 2022-01-04 Tsinghua University Magnetic liquid sealing device adapted to axial and radial displacements of connection
PL238823B1 (pl) * 2018-08-27 2021-10-11 Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie Przepust wału obrotowego z wielostopniowymi uszczelnieniami ferromagnetycznymi
US11261972B1 (en) * 2020-11-23 2022-03-01 Tsinghua University Combined sealing device with magnetic fluid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605233A (en) * 1982-09-16 1986-08-12 Rigaku Keisoku Kabushiki Kaisha Magnetic fluid sealing device
US4671679A (en) * 1986-05-05 1987-06-09 Mechanical Technology Incorporated Magnetic fluid devices such as magnetic fluid bearings, seals, and the like and an automatic magnetic fluid supply control system therefor
US5118118A (en) * 1988-08-02 1992-06-02 Skf Industrial Trading And Development Company B.V. Sealing assembly with a magnetic liquid

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019864C2 (de) * 1980-05-23 1982-05-27 Kraftwerk Union AG, 4330 Mülheim Generatorläufer, insbesondere Turbogeneratorläufer, mit supraleitender Erregerwicklung
JPS59129699A (ja) 1983-01-15 1984-07-26 三菱重工業株式会社 段ボ−ルスリツタ
US5047392A (en) 1989-03-21 1991-09-10 Troy Investments Inc. Diamagnetic colloids based seals
JPH0697462A (ja) 1992-09-10 1994-04-08 Toyota Autom Loom Works Ltd 半導体装置
US5562406A (en) * 1995-01-11 1996-10-08 Ansimag Inc. Seal assembly for fluid pumps and method for detecting leaks in fluid pumps or fluid containment devices
US5954342A (en) 1997-04-25 1999-09-21 Mfs Technology Ltd Magnetic fluid seal apparatus for a rotary shaft
EP1326038B1 (en) 2000-10-12 2007-12-12 Nok Corporation Magnetic fluid seal device
US7100923B2 (en) 2001-05-22 2006-09-05 Nok Corporation Magnetic fluid seal device
US6805358B2 (en) 2001-08-16 2004-10-19 Isomag Corporation Magnetic seal
US7188840B2 (en) 2003-07-07 2007-03-13 Zhixin Li Magnetic fluidic seal with improved pressure capacity
TWM357538U (en) * 2009-01-07 2009-05-21 zheng-qin Gong Shaft seals of magnetic fluid
JPWO2011036920A1 (ja) 2009-09-24 2013-02-14 イーグル工業株式会社 シール装置
TW201204965A (en) 2010-07-23 2012-02-01 qi-yun Gong Sealing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605233A (en) * 1982-09-16 1986-08-12 Rigaku Keisoku Kabushiki Kaisha Magnetic fluid sealing device
US4671679A (en) * 1986-05-05 1987-06-09 Mechanical Technology Incorporated Magnetic fluid devices such as magnetic fluid bearings, seals, and the like and an automatic magnetic fluid supply control system therefor
US5118118A (en) * 1988-08-02 1992-06-02 Skf Industrial Trading And Development Company B.V. Sealing assembly with a magnetic liquid

Also Published As

Publication number Publication date
US8419019B2 (en) 2013-04-16
TW201204966A (en) 2012-02-01
US20120018958A1 (en) 2012-01-26

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees