AU2001294207A1 - Magnetic fluid seal device - Google Patents

Magnetic fluid seal device

Info

Publication number: AU2001294207A1
Authority: AU; Australia
Prior art keywords: magnetic fluid; seal device; fluid seal; magnetic; seal
Prior art date: 2000-10-12
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.): Abandoned

Application number

AU2001294207A

Inventor

Hiroshi Anzai

Hirokazu Yamamoto

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.)

Nok Corp

Original Assignee

Nok Corp

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.)

2000-10-12

Filing date

2001-10-09

Publication date

2002-04-22

2001-10-09 Application filed by Nok Corp filed Critical Nok Corp

2002-04-22 Publication of AU2001294207A1 publication Critical patent/AU2001294207A1/en

Status Abandoned 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

AU2001294207A 2000-10-12 2001-10-09 Magnetic fluid seal device Abandoned AU2001294207A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2000312622		2000-10-12
JP2000-312622		2000-10-12
PCT/JP2001/008859 WO2002031385A1 (en)	2000-10-12	2001-10-09	Magnetic fluid seal device

Publications (1)

Publication Number	Publication Date
AU2001294207A1 true AU2001294207A1 (en)	2002-04-22

Family

ID=18792176

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2001294207A Abandoned AU2001294207A1 (en)	2000-10-12	2001-10-09	Magnetic fluid seal device

Country Status (8)

Country	Link
US (1)	US6769694B2 (en)
EP (1)	EP1326038B1 (en)
JP (1)	JP4078978B2 (en)
KR (1)	KR100515015B1 (en)
CN (1)	CN1297766C (en)
AU (1)	AU2001294207A1 (en)
DE (1)	DE60131869T2 (en)
WO (1)	WO2002031385A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101264278B (en) *	2008-04-24	2011-07-13	廖玉春	Chinese medicinal composition for treating leukemia and producing method thereof
JP2011127616A (en) *	2009-12-15	2011-06-30	Kurimoto Ltd	Rotary device with sealing means using magnetic viscous fluid
CN101737494B (en) *	2010-02-03	2011-07-20	北京交通大学	Magnetic liquid static sealing device of large-diameter flange plates
TW201204966A (en)	2010-07-23	2012-02-01	qi-yun Gong	Magnetic fluid sealing device
TW201204965A (en) *	2010-07-23	2012-02-01	qi-yun Gong	Sealing device
KR101456809B1 (en) *	2011-02-03	2014-10-31	이글 고오교 가부시키가이샤	Magnetic fluid seal
DE102012017805A1 (en)	2012-09-10	2014-03-13	Christian Funke	Sealing device for use in synchronous and asynchronous motors, has set of pole shoes that is arranged with permanent magnet, magnetorheological medium, insulator, shielding, insulating layer and sealing counterpart
NO337047B1 (en) *	2013-12-19	2016-01-11	Resonator As	Oscillating device with sealing lubricated by ferrofluid
JP6297347B2 (en) *	2014-02-14	2018-03-20	ミネベアミツミ株式会社	Pivot assembly bearing device and magnetic head driving device using the same
CN106402398A (en) *	2016-10-21	2017-02-15	北京交通大学	Magnetic liquid sealing device without pole shoe
CN107842613B (en)	2017-12-13	2019-04-02	广西科技大学	A kind of arc step formula device for sealing magnetic fluid
WO2019136923A1 (en) *	2018-01-15	2019-07-18	江苏大学	Magnetic fluid sealing pipeline connection compensation apparatus
PL233831B1 (en) *	2018-01-22	2019-11-29	Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie	Rotary centrifugal sealing with magnetic fluid
CN111075929B (en) *	2019-11-27	2021-12-07	维沃移动通信有限公司	Telescopic assembly and electronic equipment
CN112728104B (en) *	2020-12-31	2022-03-04	清华大学	Magnetic liquid sealing device with pole teeth filled with porous material

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4309040A (en) *	1980-06-03	1982-01-05	Ferrofluidics Corporation	Linear seal apparatus
US4527805A (en) *	1984-05-03	1985-07-09	Ferrofluidics Corporation	High-pressure ferrofluid seal apparatus
US4502700A (en) *	1984-05-03	1985-03-05	Ferrofluidics Corporation	Ferrofluid linear seal apparatus
JPS6158770A (en)	1984-08-31	1986-03-26	Pentel Kk	Printing device
JPS6158770U (en) *	1984-09-21	1986-04-19
NL8801925A (en) *	1988-08-02	1990-03-01	Skf Ind Trading & Dev	SEALING ASSEMBLY WITH A MAGNETIC LIQUID.
JPH0285074A (en)	1988-08-26	1990-03-26	Nissan Motor Co Ltd	Four-wheel steering device for vehicle
JPH0285074U (en) *	1988-12-21	1990-07-03
JPH03213641A (en)	1990-01-17	1991-09-19	Isuzu Ceramics Kenkyusho:Kk	Cylinder sealing device of 2-cycle engine
JPH04101868U (en) *	1991-02-12	1992-09-02	エヌオーケー株式会社	Magnetic fluid seal device
JPH0777282A (en)	1993-09-09	1995-03-20	Canon Inc	Sealing structure for apparatus, machinery, and the like
JP3402716B2 (en) *	1993-12-17	2003-05-06	理学電機株式会社	Straight type magnetic fluid shaft sealing device
US5660397A (en) *	1994-09-23	1997-08-26	Holtkamp; William H.	Devices employing a liquid-free medium
JP2000110948A (en)	1998-08-03	2000-04-18	Nok Corp	Sealing device using magnetic fluid
JP3059381U (en) *	1998-11-26	1999-07-09	株式会社フェローテック	Magnetic fluid sealing device
US6290233B1 (en) *	1999-01-25	2001-09-18	Akira Yamamura	Sealing apparatus
WO2000073837A1 (en)	1999-05-28	2000-12-07	Nok Corporation	Light shielding structure

2001
- 2001-10-09 WO PCT/JP2001/008859 patent/WO2002031385A1/en active IP Right Grant
- 2001-10-09 EP EP01974744A patent/EP1326038B1/en not_active Expired - Lifetime
- 2001-10-09 KR KR10-2003-7005071A patent/KR100515015B1/en not_active IP Right Cessation
- 2001-10-09 JP JP2002534728A patent/JP4078978B2/en not_active Expired - Fee Related
- 2001-10-09 DE DE60131869T patent/DE60131869T2/en not_active Expired - Fee Related
- 2001-10-09 AU AU2001294207A patent/AU2001294207A1/en not_active Abandoned
- 2001-10-09 CN CNB018183085A patent/CN1297766C/en not_active Expired - Fee Related
- 2001-10-09 US US10/398,210 patent/US6769694B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP1326038A4 (en)	2006-02-08
CN1473251A (en)	2004-02-04
US6769694B2 (en)	2004-08-03
JP4078978B2 (en)	2008-04-23
KR20030046498A (en)	2003-06-12
WO2002031385A1 (en)	2002-04-18
DE60131869T2 (en)	2008-12-04
EP1326038A1 (en)	2003-07-09
CN1297766C (en)	2007-01-31
KR100515015B1 (en)	2005-09-15
JPWO2002031385A1 (en)	2004-02-19
DE60131869D1 (en)	2008-01-24
EP1326038B1 (en)	2007-12-12
US20040012150A1 (en)	2004-01-22

Publication	Publication Date	Title
AU2001296870A1 (en)	2002-07-01	Fluid injection device
AU2001291045A1 (en)	2002-04-02	Multi-axis magnetically actuated device
AU2001239979A1 (en)	2001-09-17	Fluid coupling
AU2001281227A1 (en)	2002-02-18	Leak arresting valve
AU2001256023A1 (en)	2001-11-12	Fracturing fluid
EP1213518A4 (en)	2006-01-18	Magnetic fluid seal
AU2001295758A1 (en)	2002-04-29	Seal
AU2001271057A1 (en)	2002-01-30	Fluid cutoff valve device
AU2001294207A1 (en)	2002-04-22	Magnetic fluid seal device
AUPR045600A0 (en)	2000-10-26	Fluid devices
AU2002238937A1 (en)	2003-09-29	Fluid coupling
AU2380801A (en)	2001-06-04	Magnetic fluid
AU2001272651A1 (en)	2002-02-05	Valves
AUPQ528300A0 (en)	2000-02-17	Fluid distribution device
AU2064699A (en)	1999-08-02	Fluid introduction device
AU2001287435A1 (en)	2002-03-13	Fracturing fluid
AU2001259729A1 (en)	2001-11-20	Fluid motor
AU2002256907A1 (en)	2002-12-03	Magnetic fluid seal device
GB0001544D0 (en)	2000-03-15	Sealing device
AU2000265398A1 (en)	2001-12-24	Closure device
AU2000276117A1 (en)	2002-04-08	Closure device
AU2000264961A1 (en)	2002-02-13	Closure device
AU2001234907A1 (en)	2001-08-20	Fluid device assembly
AUPQ956700A0 (en)	2000-09-14	Improved fluid devices
AUPQ997900A0 (en)	2000-10-05	Improved fluid devices