ZA922945B - Magnetic seal - Google Patents

Magnetic seal

Info

Publication number
ZA922945B
ZA922945B ZA922945A ZA922945A ZA922945B ZA 922945 B ZA922945 B ZA 922945B ZA 922945 A ZA922945 A ZA 922945A ZA 922945 A ZA922945 A ZA 922945A ZA 922945 B ZA922945 B ZA 922945B
Authority
ZA
South Africa
Prior art keywords
magnetic seal
seal
magnetic
Prior art date
Application number
ZA922945A
Other languages
English (en)
Inventor
David C Orlowski
Heinz P Bloch
Original Assignee
Inpro Co Inc
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 Inpro Co Inc filed Critical Inpro Co Inc
Publication of ZA922945B publication Critical patent/ZA922945B/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing Devices (AREA)
  • Glass Compositions (AREA)
ZA922945A 1991-07-09 1992-04-23 Magnetic seal ZA922945B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/727,098 US5161804A (en) 1991-07-09 1991-07-09 Magnetic seal

Publications (1)

Publication Number Publication Date
ZA922945B true ZA922945B (en) 1993-10-25

Family

ID=24921329

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA922945A ZA922945B (en) 1991-07-09 1992-04-23 Magnetic seal

Country Status (13)

Country Link
US (1) US5161804A (xx)
EP (1) EP0522682B1 (xx)
JP (1) JP3448072B2 (xx)
AU (1) AU648658B2 (xx)
BR (1) BR9201635A (xx)
CA (1) CA2065495C (xx)
DE (1) DE69213365T2 (xx)
ES (1) ES2092030T3 (xx)
FI (1) FI100124B (xx)
MX (1) MX9202176A (xx)
MY (1) MY108342A (xx)
NO (1) NO179923C (xx)
ZA (1) ZA922945B (xx)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06337072A (ja) * 1993-05-28 1994-12-06 Toyoda Gosei Co Ltd 液圧ポンプ用メカニカルシール
CA2167424C (en) * 1995-02-02 2002-02-19 David C. Orlowski Emission seal
CN1059262C (zh) * 1997-12-05 2000-12-06 中国矿业大学 磁流体密封装置
GB2336408B (en) * 1998-04-17 2002-07-24 Rolls Royce Plc A seal arrangement
US6142477A (en) * 1998-11-16 2000-11-07 United Technologies Corporation Active seal
GB2368100B (en) * 2000-10-19 2004-02-18 Rolls Royce Plc Seal fitting
US6805358B2 (en) * 2001-08-16 2004-10-19 Isomag Corporation Magnetic seal
US6592127B1 (en) * 2002-01-23 2003-07-15 Phlaver Inc. Air purged shaft seal assembly
US7722050B2 (en) * 2002-07-08 2010-05-25 Aes Engineering Limited Mechanical seal bearing protector
JP2006501422A (ja) * 2002-09-30 2006-01-12 ガーロック シーリング テクノロジィーズ エルエルシー ユニット化エレメントおよびシールの組み立て方法
US7604239B2 (en) * 2002-09-30 2009-10-20 Garlock Scaling Technologies LLC Split bearing isolator and a method for assembling seal
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
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
US8591116B2 (en) * 2008-05-08 2013-11-26 Parker-Hannifin Corporation Bearing isolating seal
US20100006788A1 (en) * 2008-07-09 2010-01-14 Honeywell International Inc. Valve assembly having magnetically-energized seal mechanism
US7857320B1 (en) 2009-06-03 2010-12-28 Chang Ming S Bearing isolator seal with floating ring
BR112012011273A2 (pt) * 2009-11-11 2019-09-24 Garlock Sealing Tech Llc isolador de mancal encharcado
WO2013126229A2 (en) 2012-02-10 2013-08-29 Orion Engineered Seals, Llc Labyrinth seal
CN103791111A (zh) * 2012-10-31 2014-05-14 浙江三花股份有限公司 一种流量调节阀
US10107121B2 (en) * 2012-12-05 2018-10-23 Pratt & Whitney Canada Corp. Carbon seal assembly
CN103423456A (zh) * 2013-08-27 2013-12-04 刘讯岐 一种紧顶定位磁力机械密封件
CN105992897B (zh) * 2013-12-02 2018-02-02 伯克哈特压缩机股份公司 密封组件及其操作方法
US10927961B2 (en) 2015-04-21 2021-02-23 Inpro/Seal Llc Shaft seal assembly
BR112017022799A2 (pt) 2015-04-21 2018-07-10 Inpro/Seal Llc conjunto de vedação de eixo
US9771821B1 (en) * 2015-06-15 2017-09-26 Florida Turbine Technologies, Inc. Turbine interstage seal with self-balancing capability
US10203036B2 (en) 2015-06-18 2019-02-12 Inpro/Seal Llc Shaft seal assembly
US20180017166A1 (en) * 2016-07-14 2018-01-18 Magnetic Seal Corp. Rotary face seal with magnetic repelling loading
US10753478B2 (en) 2016-11-07 2020-08-25 Garlock Sealing Technologies, Llc Bearing isolator for extreme conditions
US10704692B1 (en) 2017-04-26 2020-07-07 Garlock Sealing Technologies, Llc Flooded metallic bearing isolator
CN111396559B (zh) * 2020-03-27 2022-08-23 广州市昕恒泵业制造有限公司 单排磁力机械密封
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843403A (en) * 1955-01-11 1958-07-15 Magnetic Seal Corp Rotary seal
US3050319A (en) * 1956-05-22 1962-08-21 Magnetic Seal Corp Radially contacting seal with balancing sleeve
US3170409A (en) * 1963-04-01 1965-02-23 Dura Corp Rotor pump seal
US3550989A (en) * 1968-04-15 1970-12-29 Sybron Corp Wear resistant articles and facings therefor
GB1256549A (xx) * 1969-12-01 1971-12-08
US3708177A (en) * 1970-06-17 1973-01-02 M Baermann Magnetic seal for a rotary shaft and magnet therefor
DE2315190B2 (de) * 1973-03-27 1978-04-20 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Hydrostatische Gleitringdichtung
FR2514455A1 (fr) * 1981-10-09 1983-04-15 Hotchkiss Brandt Sogeme Joint tournant magnetique
US4486026A (en) * 1982-02-10 1984-12-04 Nippon Seiko K.K. Sealing and bearing means by use of ferrofluid
DE3368742D1 (en) * 1982-06-05 1987-02-05 Gutehoffnungshuette Man Shaft seal with a magnetically adjusted sealing clearance
GB2126670A (en) * 1982-09-03 1984-03-28 John Arthur Cannings Magnetically actuated rotary face seal
US4605234A (en) * 1985-12-16 1986-08-12 Metcalf Maurice E Mechanical seal assembly with orientation maintaining means
US4795168A (en) * 1987-09-10 1989-01-03 Durametallic Corporation Magnetic seal assembly
DE3820581A1 (de) * 1988-06-16 1989-12-28 Burgmann Dichtungswerk Feodor Gleitringdichtung
DE3918842A1 (de) * 1989-06-09 1990-12-13 Windhorst Beteiligungsgesellsc Magnetdichtung fuer sich bewegende maschinenteile und verfahren zu deren herstellung

Also Published As

Publication number Publication date
CA2065495C (en) 1995-05-02
MY108342A (en) 1996-09-30
NO179923C (no) 1997-01-08
JPH05133478A (ja) 1993-05-28
US5161804A (en) 1992-11-10
NO921645D0 (no) 1992-04-28
EP0522682A1 (en) 1993-01-13
FI921953A (fi) 1993-01-10
DE69213365T2 (de) 1997-02-27
FI100124B (fi) 1997-09-30
ES2092030T3 (es) 1996-11-16
BR9201635A (pt) 1993-03-16
AU648658B2 (en) 1994-04-28
FI921953A0 (fi) 1992-04-30
NO921645L (no) 1993-01-11
JP3448072B2 (ja) 2003-09-16
DE69213365D1 (de) 1996-10-10
AU1496592A (en) 1993-01-21
NO179923B (no) 1996-09-30
EP0522682B1 (en) 1996-09-04
MX9202176A (es) 1993-01-01

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