SE0400324D0 - An improved magnetic seal - Google Patents

An improved magnetic seal

Info

Publication number
SE0400324D0
SE0400324D0 SE0400324A SE0400324A SE0400324D0 SE 0400324 D0 SE0400324 D0 SE 0400324D0 SE 0400324 A SE0400324 A SE 0400324A SE 0400324 A SE0400324 A SE 0400324A SE 0400324 D0 SE0400324 D0 SE 0400324D0
Authority
SE
Sweden
Prior art keywords
rotor
seal
stator
exceeded
predetermined range
Prior art date
Application number
SE0400324A
Other languages
English (en)
Other versions
SE526534C2 (sv
SE0400324L (sv
Inventor
Stephen M Dawson
Gary D Anderson
Michael L Deweese
Original Assignee
Isomag 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.)
Filing date
Publication date
Application filed by Isomag Corp filed Critical Isomag Corp
Publication of SE0400324D0 publication Critical patent/SE0400324D0/sv
Publication of SE0400324L publication Critical patent/SE0400324L/sv
Publication of SE526534C2 publication Critical patent/SE526534C2/sv

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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/3444—Pressing means by magnetic attraction
SE0400324A 2001-08-16 2004-02-13 Förbättrad magnetisk tätning SE526534C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/931,370 US6805358B2 (en) 2001-08-16 2001-08-16 Magnetic seal
PCT/US2002/025714 WO2003016755A2 (en) 2001-08-16 2002-08-13 An improved magnetic seal

Publications (3)

Publication Number Publication Date
SE0400324D0 true SE0400324D0 (sv) 2004-02-13
SE0400324L SE0400324L (sv) 2004-04-13
SE526534C2 SE526534C2 (sv) 2005-10-04

Family

ID=25460683

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0400324A SE526534C2 (sv) 2001-08-16 2004-02-13 Förbättrad magnetisk tätning

Country Status (7)

Country Link
US (1) US6805358B2 (sv)
CN (1) CN1571896A (sv)
AU (2) AU2008201294A1 (sv)
BR (1) BR0212190B1 (sv)
MX (1) MXPA04001469A (sv)
SE (1) SE526534C2 (sv)
WO (1) WO2003016755A2 (sv)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100434775C (zh) * 2002-07-08 2008-11-19 Aes工程有限公司 机械密封轴承保护器
US20040227299A1 (en) * 2003-05-12 2004-11-18 Brian Simmons Magnetic bearing isolator
DE102004062445A1 (de) * 2004-12-17 2006-06-22 Kaco Gmbh + Co. Kg Gleitringdichtung, insbesondere für Kraftfahrzeug-Kühlmittelpumpen
GB0428450D0 (en) * 2004-12-30 2005-02-02 Aes Eng Ltd Rotary seal 2
US8474826B2 (en) * 2005-04-29 2013-07-02 Eaton Corporation Hydrodynamic magnetic seal
US7267186B2 (en) * 2005-08-26 2007-09-11 Baker Hughes Incorporated Magnetic face seal for rock drill bit bearings
US20070194536A1 (en) * 2005-10-31 2007-08-23 Petroleo Brasileiro S.A. - Petrobras Airtight magnetic seal for bearing casings
US8201830B2 (en) * 2005-10-31 2012-06-19 Petróleo Brasileiro S.A.—Petrobras Airtight magnetic seal for bearing casings
US8038155B2 (en) * 2006-07-10 2011-10-18 Eaton Corporation Magnetically-controlled rotary seal
CN101392837B (zh) * 2007-09-18 2012-07-18 刘讯岐 对置型内定位磁力机械密封
EP2417210B1 (en) * 2009-04-10 2013-03-06 Pixeloptics Inc. Curable adhesive compositions
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
WO2013096117A1 (en) * 2011-12-19 2013-06-27 Aktiebolaget Skf Pressure resistant static and dynamic seal assembly and method
DE102012215887A1 (de) * 2012-09-07 2014-05-15 Siemens Aktiengesellschaft Anordnung mit einer Gasdichtung
US10107121B2 (en) * 2012-12-05 2018-10-23 Pratt & Whitney Canada Corp. Carbon seal assembly
US10337619B2 (en) 2013-08-27 2019-07-02 Eaton Intelligent Power Limited Seal ring composite for improved hydrodynamic seal performance
US9714712B2 (en) 2014-08-15 2017-07-25 Eaton Corporation Hydrodynamic mating ring with integrated groove inlet pressure control
US10001217B2 (en) 2015-01-14 2018-06-19 Isomag Corporation Magnetic rotary seal with improved drain back
CN105333153B (zh) * 2015-12-01 2017-02-01 李富立 一种磁力轴密封装置及其加工方法
US11441685B2 (en) * 2016-07-14 2022-09-13 Magnetic Seal Llc Rotary face seal with magnetic puller loading
FR3063326B1 (fr) * 2017-02-27 2019-04-26 Safran Aircraft Engines Joint axial asservi comportant un dispositif magnetique de positionnement axial
GB2567137B (en) * 2017-09-04 2020-05-27 Aes Eng Ltd Bearing protector
US10732150B2 (en) 2017-09-07 2020-08-04 Windrock, Inc. Sensor having magnetic boundary seal
US10794493B2 (en) * 2017-09-18 2020-10-06 Hamilton Sunstrand Corporation Electromagnetic cartridge seal
CN209875954U (zh) * 2018-07-12 2019-12-31 韦富农 一种双动环、单定环互锁内压式密封装置
CN111412286B (zh) * 2020-03-27 2022-08-23 广州市昕恒泵业制造有限公司 双排磁力机械密封
US11473506B2 (en) * 2020-11-18 2022-10-18 Rolls -Royce North American Technologies Inc. Electromagnetic carbon seal system

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US3050319A (en) 1956-05-22 1962-08-21 Magnetic Seal Corp Radially contacting seal with balancing sleeve
US2883212A (en) 1956-08-23 1959-04-21 City Nat Bank And Trust Compan Labyrinth type magnetic rotary seal
US3080170A (en) 1959-01-02 1963-03-05 Magnetic Seal Corp Seal providing for substantial axial movement
US3755870A (en) * 1971-12-20 1973-09-04 Entoleter Pressure retaining face seal and method
US3947944A (en) * 1974-09-12 1976-04-06 Borg-Warner Corporation Shaft seal unitized transfer fixture
US4795168A (en) 1987-09-10 1989-01-03 Durametallic Corporation Magnetic seal assembly
JPH01316568A (ja) * 1988-06-17 1989-12-21 Hitachi Metals Ltd 磁性流体用の磁石構造
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US5181728A (en) * 1991-09-23 1993-01-26 General Electric Company Trenched brush seal
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US5967524A (en) * 1993-05-21 1999-10-19 Jm Clipper Corporation Hybrid seal device
US5522601A (en) 1994-01-18 1996-06-04 Goulds Pumps, Incorporated Locking labyrinth sealing assembly
US5538029A (en) * 1995-04-17 1996-07-23 Henry Pratt Company Method for adjusting valve sealing engagement
US5498006A (en) * 1995-05-12 1996-03-12 Inpro Companies, Inc. Pinned unitary bearing seal
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US6029978A (en) * 1996-09-17 2000-02-29 Seagate Technology, Inc. Grounding and conductivity improvement for ferrofluid seals
US5975536A (en) * 1997-09-30 1999-11-02 Rigaku/Usa, Inc. Rotary motion feedthrough with rotating magnet system
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US6485022B1 (en) * 2000-03-31 2002-11-26 Jm Clipper Corporation Metallic labyrinth seal

Also Published As

Publication number Publication date
US20030042684A1 (en) 2003-03-06
US6805358B2 (en) 2004-10-19
WO2003016755A3 (en) 2004-01-15
WO2003016755A2 (en) 2003-02-27
BR0212190B1 (pt) 2011-09-20
MXPA04001469A (es) 2005-02-17
CN1571896A (zh) 2005-01-26
AU2010202534A1 (en) 2010-07-08
SE526534C2 (sv) 2005-10-04
AU2008201294A1 (en) 2008-04-17
SE0400324L (sv) 2004-04-13
AU2010202534B2 (en) 2012-02-23
BR0212190A (pt) 2006-05-23

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Legal Events

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