JPS6231776A - 磁性流体シ−ル装置 - Google Patents

磁性流体シ−ル装置

Info

Publication number
JPS6231776A
JPS6231776A JP60170665A JP17066585A JPS6231776A JP S6231776 A JPS6231776 A JP S6231776A JP 60170665 A JP60170665 A JP 60170665A JP 17066585 A JP17066585 A JP 17066585A JP S6231776 A JPS6231776 A JP S6231776A
Authority
JP
Japan
Prior art keywords
permanent magnet
shaft
ball piece
magnetic flux
pole piece
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.)
Granted
Application number
JP60170665A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0520627B2 (en]
Inventor
Hiroshi Nakazato
博 中里
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.)
Tokin Corp
Original Assignee
Tohoku Metal Industries Ltd
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 Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Priority to JP60170665A priority Critical patent/JPS6231776A/ja
Publication of JPS6231776A publication Critical patent/JPS6231776A/ja
Publication of JPH0520627B2 publication Critical patent/JPH0520627B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
JP60170665A 1985-08-02 1985-08-02 磁性流体シ−ル装置 Granted JPS6231776A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60170665A JPS6231776A (ja) 1985-08-02 1985-08-02 磁性流体シ−ル装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60170665A JPS6231776A (ja) 1985-08-02 1985-08-02 磁性流体シ−ル装置

Publications (2)

Publication Number Publication Date
JPS6231776A true JPS6231776A (ja) 1987-02-10
JPH0520627B2 JPH0520627B2 (en]) 1993-03-22

Family

ID=15909100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60170665A Granted JPS6231776A (ja) 1985-08-02 1985-08-02 磁性流体シ−ル装置

Country Status (1)

Country Link
JP (1) JPS6231776A (en])

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63184267U (en]) * 1987-05-20 1988-11-28
JPS63184265U (en]) * 1987-05-20 1988-11-28
US4830384A (en) * 1987-06-29 1989-05-16 Ferrofluidics Corporation Compact long-life magnetic fluid seal
US5081882A (en) * 1987-09-04 1992-01-21 Seiko Seiki Kabushiki Kaisha Damper device for a motor
US5161902A (en) * 1988-09-29 1992-11-10 Nippon Seiko Kabushiki Kaisha Magnetic sealing device for use between first and second magnetic members which rotate relative to each other
JP2006292036A (ja) * 2005-04-08 2006-10-26 Koyo Electronics Ind Co Ltd エンコーダの防塵機構
CN105202198A (zh) * 2015-09-18 2015-12-30 北京化工大学 柔性极靴磁流体密封装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668722B (zh) * 2013-12-25 2015-07-01 青岛铠硕纺机有限公司 喷水织机无风机机械测长装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56120819A (en) * 1980-02-28 1981-09-22 Fuji Xerox Co Ltd Sealing device for bearing
JPS58131474A (ja) * 1982-01-29 1983-08-05 Tohoku Metal Ind Ltd 密封装置
JPS58137669A (ja) * 1982-02-12 1983-08-16 Nippon Telegr & Teleph Corp <Ntt> シ−ル機構
JPS58125767U (ja) * 1982-02-20 1983-08-26 東北金属工業株式会社 密封装置
JPS58187658U (ja) * 1982-06-09 1983-12-13 日本精工株式会社 磁性流体シ−ル装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56120819A (en) * 1980-02-28 1981-09-22 Fuji Xerox Co Ltd Sealing device for bearing
JPS58131474A (ja) * 1982-01-29 1983-08-05 Tohoku Metal Ind Ltd 密封装置
JPS58137669A (ja) * 1982-02-12 1983-08-16 Nippon Telegr & Teleph Corp <Ntt> シ−ル機構
JPS58125767U (ja) * 1982-02-20 1983-08-26 東北金属工業株式会社 密封装置
JPS58187658U (ja) * 1982-06-09 1983-12-13 日本精工株式会社 磁性流体シ−ル装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63184267U (en]) * 1987-05-20 1988-11-28
JPS63184265U (en]) * 1987-05-20 1988-11-28
US4830384A (en) * 1987-06-29 1989-05-16 Ferrofluidics Corporation Compact long-life magnetic fluid seal
US5081882A (en) * 1987-09-04 1992-01-21 Seiko Seiki Kabushiki Kaisha Damper device for a motor
US5161902A (en) * 1988-09-29 1992-11-10 Nippon Seiko Kabushiki Kaisha Magnetic sealing device for use between first and second magnetic members which rotate relative to each other
JP2006292036A (ja) * 2005-04-08 2006-10-26 Koyo Electronics Ind Co Ltd エンコーダの防塵機構
CN105202198A (zh) * 2015-09-18 2015-12-30 北京化工大学 柔性极靴磁流体密封装置
CN105202198B (zh) * 2015-09-18 2017-09-22 北京化工大学 柔性极靴磁流体密封装置

Also Published As

Publication number Publication date
JPH0520627B2 (en]) 1993-03-22

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