JPS57208358A - Shaft sealing device using magnetic fluid - Google Patents

Shaft sealing device using magnetic fluid

Info

Publication number
JPS57208358A
JPS57208358A JP56090950A JP9095081A JPS57208358A JP S57208358 A JPS57208358 A JP S57208358A JP 56090950 A JP56090950 A JP 56090950A JP 9095081 A JP9095081 A JP 9095081A JP S57208358 A JPS57208358 A JP S57208358A
Authority
JP
Japan
Prior art keywords
annular
magnetic
magnets
magnetic pole
recessed groove
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
JP56090950A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6143588B2 (enrdf_load_stackoverflow
Inventor
Masatoki Kitada
Kimio Sato
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.)
RIGAKU DENKI KK
Rigaku Denki Co Ltd
Original Assignee
RIGAKU DENKI KK
Rigaku Denki Co 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 RIGAKU DENKI KK, Rigaku Denki Co Ltd filed Critical RIGAKU DENKI KK
Priority to JP56090950A priority Critical patent/JPS57208358A/ja
Priority to DE19823222293 priority patent/DE3222293A1/de
Priority to FR8210391A priority patent/FR2507730B1/fr
Priority to GB08217272A priority patent/GB2104165B/en
Publication of JPS57208358A publication Critical patent/JPS57208358A/ja
Publication of JPS6143588B2 publication Critical patent/JPS6143588B2/ja
Granted 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
    • 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)
JP56090950A 1981-06-15 1981-06-15 Shaft sealing device using magnetic fluid Granted JPS57208358A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56090950A JPS57208358A (en) 1981-06-15 1981-06-15 Shaft sealing device using magnetic fluid
DE19823222293 DE3222293A1 (de) 1981-06-15 1982-06-14 Magnetfluessigkeit-dichtungsvorrichtung
FR8210391A FR2507730B1 (fr) 1981-06-15 1982-06-15 Dispositif d'etancheite a fluide magnetique
GB08217272A GB2104165B (en) 1981-06-15 1982-06-15 Magnetic fluid sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56090950A JPS57208358A (en) 1981-06-15 1981-06-15 Shaft sealing device using magnetic fluid

Publications (2)

Publication Number Publication Date
JPS57208358A true JPS57208358A (en) 1982-12-21
JPS6143588B2 JPS6143588B2 (enrdf_load_stackoverflow) 1986-09-29

Family

ID=14012748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56090950A Granted JPS57208358A (en) 1981-06-15 1981-06-15 Shaft sealing device using magnetic fluid

Country Status (4)

Country Link
JP (1) JPS57208358A (enrdf_load_stackoverflow)
DE (1) DE3222293A1 (enrdf_load_stackoverflow)
FR (1) FR2507730B1 (enrdf_load_stackoverflow)
GB (1) GB2104165B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115152A (zh) * 2013-01-30 2013-05-22 北京交通大学 一种磁性液体与迷宫交替式组合密封

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676740A5 (enrdf_load_stackoverflow) * 1986-06-24 1991-02-28 Papst Motoren Gmbh & Co Kg
GB2236363B (en) * 1986-06-24 1991-07-31 Papst Motoren Gmbh & Co Kg Magnetic fluid seal apparatus
DE3622306A1 (de) * 1986-07-03 1988-01-07 Hommelwerke Gmbh Laengenmesstaster, insbesondere zur abtastung der oberflaeche eines werkstueckes
NL8902086A (nl) * 1989-08-17 1991-03-18 Skf Ind Trading & Dev Afdicht- en glijlagersamenstel met een magnetische vloeistof.
JP3252090B2 (ja) * 1996-07-10 2002-01-28 キヤノン株式会社 現像装置
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
CN108980361A (zh) * 2018-08-13 2018-12-11 广西科技大学 一种强聚磁型磁流体密封结构
CN112648381B (zh) * 2020-12-30 2021-12-07 清华大学 磁性液体密封装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783881A (en) * 1904-12-09 1905-02-28 Samuel Mayper Hose-supporter.
GB783881A (en) * 1954-03-05 1957-10-02 Vickers Electrical Co Ltd Improvements relating to shaft and like seals
US3620584A (en) * 1970-05-25 1971-11-16 Ferrofluidics Corp Magnetic fluid seals
JPS519853A (ja) * 1974-07-03 1976-01-26 Suwa Seikosha Kk Ekishohaikoyosumakuniokeru bunshihokono ketsuteihoho
JPS5530562A (en) * 1978-08-25 1980-03-04 Nippon Telegr & Teleph Corp <Ntt> Magnetic fluid feeder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU742657A1 (ru) * 1978-03-28 1980-06-25 Предприятие П/Я Г-4213 Магнитожидкостное уплотнение

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US783881A (en) * 1904-12-09 1905-02-28 Samuel Mayper Hose-supporter.
GB783881A (en) * 1954-03-05 1957-10-02 Vickers Electrical Co Ltd Improvements relating to shaft and like seals
US3620584A (en) * 1970-05-25 1971-11-16 Ferrofluidics Corp Magnetic fluid seals
JPS519853A (ja) * 1974-07-03 1976-01-26 Suwa Seikosha Kk Ekishohaikoyosumakuniokeru bunshihokono ketsuteihoho
JPS5530562A (en) * 1978-08-25 1980-03-04 Nippon Telegr & Teleph Corp <Ntt> Magnetic fluid feeder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115152A (zh) * 2013-01-30 2013-05-22 北京交通大学 一种磁性液体与迷宫交替式组合密封
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

Also Published As

Publication number Publication date
JPS6143588B2 (enrdf_load_stackoverflow) 1986-09-29
GB2104165A (en) 1983-03-02
DE3222293C2 (enrdf_load_stackoverflow) 1987-12-10
FR2507730A1 (fr) 1982-12-17
GB2104165B (en) 1985-08-21
DE3222293A1 (de) 1982-12-30
FR2507730B1 (fr) 1985-12-13

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