JP7018681B1 - 磁場調整可能な磁性流体シール装置 - Google Patents

磁場調整可能な磁性流体シール装置 Download PDF

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JP7018681B1
JP7018681B1 JP2021053981A JP2021053981A JP7018681B1 JP 7018681 B1 JP7018681 B1 JP 7018681B1 JP 2021053981 A JP2021053981 A JP 2021053981A JP 2021053981 A JP2021053981 A JP 2021053981A JP 7018681 B1 JP7018681 B1 JP 7018681B1
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magnetic field
side wall
ring
pole piece
peripheral surface
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Japanese (ja)
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JP2022108240A (ja
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ドゥーツァィ・リー
ルイ・スン
チエン・リー
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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

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  • 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)
JP2021053981A 2021-01-12 2021-03-26 磁場調整可能な磁性流体シール装置 Active JP7018681B1 (ja)

Applications Claiming Priority (2)

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CN202110035433.0 2021-01-12
CN202110035433.0A CN112728108B (zh) 2021-01-12 2021-01-12 磁场可调式磁性液体密封装置

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JP7018681B1 true JP7018681B1 (ja) 2022-02-14
JP2022108240A JP2022108240A (ja) 2022-07-25

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JP (1) JP7018681B1 (zh)
CN (1) CN112728108B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321389B (zh) * 2021-12-09 2022-10-25 清华大学 平衡型涨圈密封装置
CN114294423B (zh) * 2021-12-10 2022-08-23 清华大学 磁性液体密封装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954342A (en) * 1997-04-25 1999-09-21 Mfs Technology Ltd Magnetic fluid seal apparatus for a rotary shaft
CN207393960U (zh) * 2017-11-03 2018-05-22 广西科技大学 一种阶梯式磁流体密封装置
CN108825790A (zh) * 2018-08-13 2018-11-16 广西科技大学 一种磁源递增型磁流体密封结构
CN109357018A (zh) * 2018-09-13 2019-02-19 广西科技大学 一种磁源嵌入式混联型阶梯轴磁流体密封装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284605A (en) * 1980-05-14 1981-08-18 Ferrofluidics Corporation Linear drive shaft seal
JPS6082667A (ja) * 1983-10-11 1985-05-10 Nippon Soken Inc 真空装置用回転導入機
CN2651527Y (zh) * 2003-11-24 2004-10-27 北京交通大学 具有导向结构的磁性液体密封装置
CN100360839C (zh) * 2006-08-01 2008-01-09 中国兵器工业第五二研究所 一种磁性液体密封装置
CN101737499B (zh) * 2010-01-27 2012-06-27 北京交通大学 具有自清洁功能的磁性液体密封装置
CN205663886U (zh) * 2016-05-25 2016-10-26 广西科技大学 一种混合供磁型端面式磁性流体密封装置
CN106151527B (zh) * 2016-08-15 2018-04-10 广西科技大学 一种磁源串联型阶梯式磁流体密封装置
CN107906209A (zh) * 2017-12-13 2018-04-13 广西科技大学 一种用于同心双轴的磁流体密封结构
CN108980360B (zh) * 2018-08-13 2020-05-05 广西科技大学 一种磁源并联型磁流体密封结构
CN109027250A (zh) * 2018-08-13 2018-12-18 广西科技大学 一种无漏磁的磁流体密封结构
CN112178200B (zh) * 2020-09-27 2021-09-24 清华大学 磁性液体密封装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954342A (en) * 1997-04-25 1999-09-21 Mfs Technology Ltd Magnetic fluid seal apparatus for a rotary shaft
CN207393960U (zh) * 2017-11-03 2018-05-22 广西科技大学 一种阶梯式磁流体密封装置
CN108825790A (zh) * 2018-08-13 2018-11-16 广西科技大学 一种磁源递增型磁流体密封结构
CN109357018A (zh) * 2018-09-13 2019-02-19 广西科技大学 一种磁源嵌入式混联型阶梯轴磁流体密封装置

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JP2022108240A (ja) 2022-07-25
CN112728108A (zh) 2021-04-30
CN112728108B (zh) 2022-02-01

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