JP7458676B2 - 永久磁石シートと透磁シートが交互に分布する無歯磁性流体密封装置 - Google Patents

永久磁石シートと透磁シートが交互に分布する無歯磁性流体密封装置 Download PDF

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Publication number
JP7458676B2
JP7458676B2 JP2023513247A JP2023513247A JP7458676B2 JP 7458676 B2 JP7458676 B2 JP 7458676B2 JP 2023513247 A JP2023513247 A JP 2023513247A JP 2023513247 A JP2023513247 A JP 2023513247A JP 7458676 B2 JP7458676 B2 JP 7458676B2
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Prior art keywords
magnetic
permanent magnet
sheets
sheet
rotating shaft
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JP2023513247A
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Japanese (ja)
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JP2023533611A (ja
Inventor
▲とく▼才 李
文曦 趙
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ツィンファ ユニバーシティ
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    • 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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings

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 Devices (AREA)
  • Sealing Of Bearings (AREA)
JP2023513247A 2020-08-25 2020-09-17 永久磁石シートと透磁シートが交互に分布する無歯磁性流体密封装置 Active JP7458676B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202010862984.X 2020-08-25
CN202010862984.XA CN112145698A (zh) 2020-08-25 2020-08-25 永磁体片和导磁片交替分布的磁性液体密封装置
PCT/CN2020/115992 WO2022041349A1 (zh) 2020-08-25 2020-09-17 永磁体片和导磁片交替分布的磁性液体密封装置

Publications (2)

Publication Number Publication Date
JP2023533611A JP2023533611A (ja) 2023-08-03
JP7458676B2 true JP7458676B2 (ja) 2024-04-01

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ID=73888992

Family Applications (1)

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JP2023513247A Active JP7458676B2 (ja) 2020-08-25 2020-09-17 永久磁石シートと透磁シートが交互に分布する無歯磁性流体密封装置

Country Status (3)

Country Link
JP (1) JP7458676B2 (zh)
CN (1) CN112145698A (zh)
WO (1) WO2022041349A1 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003294156A (ja) 2002-04-04 2003-10-15 National Institute For Materials Science 磁性流体シール回転軸受け
CN206386479U (zh) 2016-12-09 2017-08-08 北京交通大学 一种适用于高线速度旋转工况的磁性液体密封装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037662U (ja) * 1983-08-24 1985-03-15 東北金属工業株式会社 密封装置
US4526381A (en) * 1984-01-31 1985-07-02 Ezekiel Frederick D Magnetic disc liquid supporting
JPH081263B2 (ja) * 1988-12-28 1996-01-10 株式会社東芝 磁性流体シール
US5134331A (en) * 1990-05-31 1992-07-28 Nippon Densan Corporation Spindle motor
JP2584951Y2 (ja) * 1993-06-11 1998-11-11 日本精工株式会社 磁性流体シール装置付転がり軸受ユニット
JPH07190201A (ja) * 1993-12-24 1995-07-28 Rigaku Corp 磁気シール装置
CN1384298A (zh) * 2001-04-30 2002-12-11 罗喜梅 一种往复或同时旋转的传动轴用磁流体密封传动结构
CN2603249Y (zh) * 2002-03-23 2004-02-11 李名民 一种传动轴用磁流体密封结构
CN103115152B (zh) * 2013-01-30 2015-05-06 北京交通大学 一种磁性液体与迷宫交替式组合密封
CN103234049B (zh) * 2013-04-12 2015-10-28 北京交通大学 提高分瓣式磁性液体密封装置的密封可靠性和寿命的方法
CN103498939B (zh) * 2013-08-27 2016-02-10 北京交通大学 一种提高磁性液体密封耐压能力和密封可靠性的密封装置
CN204533540U (zh) * 2015-02-06 2015-08-05 顾志情 一种磁性流体密封轴
CN206608552U (zh) * 2017-02-24 2017-11-03 自贡兆强环保科技股份有限公司 一种化工反应器用磁性液体密封装置及其控制系统
CN106641273B (zh) * 2017-02-24 2018-02-06 自贡兆强环保科技股份有限公司 一种化工反应器用磁性液体密封装置及其控制系统
CN206563080U (zh) * 2017-02-24 2017-10-17 自贡兆强环保科技股份有限公司 一种真空搅拌器用磁性液体密封装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003294156A (ja) 2002-04-04 2003-10-15 National Institute For Materials Science 磁性流体シール回転軸受け
CN206386479U (zh) 2016-12-09 2017-08-08 北京交通大学 一种适用于高线速度旋转工况的磁性液体密封装置

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Publication number Publication date
JP2023533611A (ja) 2023-08-03
CN112145698A (zh) 2020-12-29
WO2022041349A1 (zh) 2022-03-03

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