DE69322236D1 - Zentrierring für Ferrofluid-Abdichtung - Google Patents

Zentrierring für Ferrofluid-Abdichtung

Info

Publication number
DE69322236D1
DE69322236D1 DE69322236T DE69322236T DE69322236D1 DE 69322236 D1 DE69322236 D1 DE 69322236D1 DE 69322236 T DE69322236 T DE 69322236T DE 69322236 T DE69322236 T DE 69322236T DE 69322236 D1 DE69322236 D1 DE 69322236D1
Authority
DE
Germany
Prior art keywords
centering ring
ferrofluid sealing
ferrofluid
sealing
centering
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.)
Expired - Fee Related
Application number
DE69322236T
Other languages
English (en)
Other versions
DE69322236T2 (de
Inventor
William B Mraz
Thomas J Black
Paul E Mcmahan
Larry A Hufford
David T Mooney
Robert C Watkins
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.)
Ferrofluidics Corp
Original Assignee
Ferrofluidics 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 Ferrofluidics Corp filed Critical Ferrofluidics Corp
Publication of DE69322236D1 publication Critical patent/DE69322236D1/de
Application granted granted Critical
Publication of DE69322236T2 publication Critical patent/DE69322236T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0028—Tools for removing or installing seals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
DE69322236T 1992-10-08 1993-10-06 Zentrierring für Ferrofluid-Abdichtung Expired - Fee Related DE69322236T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96081892A 1992-10-08 1992-10-08

Publications (2)

Publication Number Publication Date
DE69322236D1 true DE69322236D1 (de) 1999-01-07
DE69322236T2 DE69322236T2 (de) 1999-09-02

Family

ID=25503682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322236T Expired - Fee Related DE69322236T2 (de) 1992-10-08 1993-10-06 Zentrierring für Ferrofluid-Abdichtung

Country Status (7)

Country Link
US (1) US5593164A (de)
EP (1) EP0596269B1 (de)
JP (1) JPH06193742A (de)
AU (1) AU4863093A (de)
CA (1) CA2107269A1 (de)
DE (1) DE69322236T2 (de)
TW (1) TW268996B (de)

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US5711532A (en) * 1993-12-16 1998-01-27 A. W. Chesterton Company Securing and centering devices for a split mechanical seal
DE19748292C2 (de) * 1997-10-31 2000-03-02 Zeiss Carl Jena Gmbh Verfahren zum Anbringen einer Winkelteilung an einer Teilscheibe für Rotationsmeßsysteme
JP4073064B2 (ja) * 1997-12-02 2008-04-09 株式会社リガク 耐磁場磁性流体シール装置
US6017036A (en) * 1998-12-08 2000-01-25 Murphy; Glendon W. Mechanical shaft seal
US6333775B1 (en) 1999-01-13 2001-12-25 Euv Llc Extreme-UV lithography vacuum chamber zone seal
US6347292B1 (en) * 1999-02-17 2002-02-12 Den-Con Electronics, Inc. Oilfield equipment identification method and apparatus
DE19918839A1 (de) * 1999-04-20 2000-11-30 Mediport Kardiotechnik Gmbh Vorrichtung zum Abdichten eines Ringspaltes
US6543782B1 (en) * 2001-04-11 2003-04-08 Ferrotec (Usa) Corporation Non-bursting ferrofluid seal
US6857635B1 (en) * 2001-10-18 2005-02-22 Ferrotec (Usa) Corporation Ultra high vacuum ferrofluidic seals and method of manufacture
US6558042B1 (en) 2001-12-28 2003-05-06 Sae Magnetics(H. K.) Ltd. Bearing guided ferrofluid seal and seal carrier
CA2739789C (en) * 2008-10-09 2016-08-02 Rigaku Innovative Technologies, Inc. Magnetic fluid seal with centering of bearing and shaft by compressible member
CN101737494B (zh) * 2010-02-03 2011-07-20 北京交通大学 大直径法兰盘磁性液体静密封装置
CN102537367B (zh) * 2012-01-12 2014-12-03 北京理工大学 一种磁流体轴密封装置
CN103133699B (zh) * 2013-02-07 2015-04-15 北京交通大学 一种提高大间隙分瓣式磁性液体密封耐压能力的方法
CN103133698B (zh) * 2013-02-07 2015-04-15 北京交通大学 一种改变分瓣式磁性液体密封间隙的方法
CN105351738B (zh) * 2015-11-30 2017-09-01 中冶南方工程技术有限公司 一种煤气柜的磁流体密封装置
CN107939979B (zh) * 2017-12-14 2023-05-02 广西科技大学 一种径向发散型迷宫式磁流体密封装置
CN107956883A (zh) * 2017-12-14 2018-04-24 广西科技大学 一种径向套筒型迷宫式磁流体密封装置
CN111113320B (zh) * 2018-10-30 2022-01-18 沈阳新松机器人自动化股份有限公司 用于燃气表机芯密封圈的拾取安装夹具
DE102019218446A1 (de) * 2019-11-28 2021-06-02 Volkswagen Aktiengesellschaft Elektromaschine mit reibungsarmer Luftspaltabdichtung und Kraftfahrzeug
CN112207532B (zh) * 2020-10-10 2022-02-22 安徽井利电子有限公司 一种扬声器回收用拆装装置的实施方法
CN113074254B (zh) * 2021-04-15 2022-08-02 西华大学 一种用于高温工况的高速磁流体密封装置
CN113108064B (zh) * 2021-04-29 2022-03-25 北京交通大学 一种模块化磁性液体密封装置
CN113669459B (zh) * 2021-07-20 2022-04-29 清华大学 减小启动力矩的磁性液体密封装置
EP4224041A1 (de) * 2022-02-07 2023-08-09 Siemens Energy Global GmbH & Co. KG Gleitring

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB783881A (en) * 1954-03-05 1957-10-02 Vickers Electrical Co Ltd Improvements relating to shaft and like seals
US2927347A (en) * 1954-06-04 1960-03-08 Schiess Ag Gill bar
GB773351A (en) * 1954-08-05 1957-04-24 Jacuzzi Bros Inc Improvements in or relating to hydrotherapy apparatus
US3572855A (en) * 1968-10-28 1971-03-30 Apex Bearing Co Fluid seals
GB1292338A (en) * 1968-10-28 1972-10-11 Karl-Heinz Steigwald Sealing means
US3740060A (en) * 1971-11-03 1973-06-19 Avco Corp A shaft seal
US4054293A (en) * 1976-12-27 1977-10-18 Borg-Warner Corporation Hybrid magnetic fluid shaft seals
US4171818A (en) * 1977-04-04 1979-10-23 Ferrofluidics Corporation Dynamic lip seal using ferrofluids as sealant/lubricant
JPS5927448B2 (ja) * 1978-10-03 1984-07-05 日本電信電話株式会社 軸受装置
US4295276A (en) * 1978-11-03 1981-10-20 Caterpillar Tractor Co. Template for aligning a shaft
SU773351A1 (ru) * 1979-03-19 1980-10-23 Ивановский энергетический институт им. В.И.Ленина Уплотнительный узел
US4252353A (en) * 1979-04-26 1981-02-24 Ferrofluidics Corporation Self-activating ferrofluid seals
US4252328A (en) * 1980-05-01 1981-02-24 Ferrofluidics Corporation Self-activating ferrofluid seal and method
DE3019864C2 (de) * 1980-05-23 1982-05-27 Kraftwerk Union AG, 4330 Mülheim Generatorläufer, insbesondere Turbogeneratorläufer, mit supraleitender Erregerwicklung
GB2107004B (en) * 1981-08-08 1985-07-24 Nippon Telegraph & Telephone A ferro fluidic seal
US4440402A (en) * 1982-03-25 1984-04-03 Mechanical Technology Incorporated Ferrofin magnetic seal with opposed fin-like projections
US4436313A (en) * 1982-04-30 1984-03-13 Japanese National Railways Device for sealing a propeller shaft against invasion of sea water
US4527802A (en) * 1983-03-21 1985-07-09 Mechanical Technology Incorporated Integral magnetic fluid centrifugal high speed gas seal and method
US4506895A (en) * 1984-08-29 1985-03-26 Ferrofluidics Corporation Self-activating ferrofluid seal apparatus and method of use
JPS61189368A (ja) * 1985-02-13 1986-08-23 Ebara Corp 立型水力機械の駆動軸の軸封装置
DE3535445A1 (de) * 1985-10-04 1987-04-16 Goetze Ag Wellenabdichtungssystem
US4694213A (en) * 1986-11-21 1987-09-15 Ferrofluidics Corporation Ferrofluid seal for a stationary shaft and a rotating hub
GB2199381A (en) * 1986-12-23 1988-07-06 Ford Motor Co Seal installation
US4815747A (en) * 1988-02-01 1989-03-28 The Gorman-Rupp Company Face type seal assembly
SU1537941A1 (ru) * 1988-03-28 1990-01-23 Киевский Филиал Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института Техники, Технологии И Организации Управления Строительством Предприятий Нефтяной И Газовой Промышленности Уплотнительное устройство
DE3811227C2 (de) * 1988-04-02 1996-04-11 Freudenberg Carl Fa Ferrofluiddichtung
US4933927A (en) * 1989-02-24 1990-06-12 Conner Peripherals, Inc. Disk centering method and apparatus for centering disks for disk drives
US5035062A (en) * 1990-04-06 1991-07-30 Intel Corporation Apparatus and method for aligning automated loading and unloading arms
IL94955A0 (en) * 1990-07-03 1991-06-10 Msb Technologies Ltd Spindle assembly
NZ260456A (en) * 1990-11-28 1995-10-26 Chesterton A W Co Bolt bearing tab engages gland of machine housing in tenon/mortise type joint : tab bolt-bearing and side gland engaging surfaces forming obtuse angle

Also Published As

Publication number Publication date
TW268996B (de) 1996-01-21
JPH06193742A (ja) 1994-07-15
AU4863093A (en) 1994-04-21
DE69322236T2 (de) 1999-09-02
EP0596269B1 (de) 1998-11-25
US5593164A (en) 1997-01-14
CA2107269A1 (en) 1994-04-09
EP0596269A1 (de) 1994-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee