CA2739789C - Magnetic fluid seal with centering of bearing and shaft by compressible member - Google Patents
Magnetic fluid seal with centering of bearing and shaft by compressible member Download PDFInfo
- Publication number
- CA2739789C CA2739789C CA2739789A CA2739789A CA2739789C CA 2739789 C CA2739789 C CA 2739789C CA 2739789 A CA2739789 A CA 2739789A CA 2739789 A CA2739789 A CA 2739789A CA 2739789 C CA2739789 C CA 2739789C
- Authority
- CA
- Canada
- Prior art keywords
- shaft
- rolling element
- element bearing
- magnetic fluid
- ring
- 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
Links
- 239000011553 magnetic fluid Substances 0.000 title claims abstract description 76
- 230000005291 magnetic effect Effects 0.000 claims abstract description 100
- 238000005096 rolling process Methods 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229920005549 butyl rubber Polymers 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 229920006132 styrene block copolymer Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 1
- 230000004907 flux Effects 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 239000011554 ferrofluid Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000013466 adhesive and sealant Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/361—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers
- F16C19/362—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers the rollers being crossed within the single row
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10418108P | 2008-10-09 | 2008-10-09 | |
| US61/104,181 | 2008-10-09 | ||
| PCT/US2009/060000 WO2010042718A1 (en) | 2008-10-09 | 2009-10-08 | Magnetic fluid seal with centering of bearing and shaft by compressible member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2739789A1 CA2739789A1 (en) | 2010-04-15 |
| CA2739789C true CA2739789C (en) | 2016-08-02 |
Family
ID=41470445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2739789A Expired - Fee Related CA2739789C (en) | 2008-10-09 | 2009-10-08 | Magnetic fluid seal with centering of bearing and shaft by compressible member |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8382118B2 (enExample) |
| EP (2) | EP2647857A1 (enExample) |
| JP (1) | JP5651596B2 (enExample) |
| CA (1) | CA2739789C (enExample) |
| WO (1) | WO2010042718A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207217A (zh) * | 2019-08-27 | 2020-05-29 | 杭州慧翔电液技术开发有限公司 | 集成高精度旋转功能的磁流体密封装置 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8422193B2 (en) * | 2006-12-19 | 2013-04-16 | Axcelis Technologies, Inc. | Annulus clamping and backside gas cooled electrostatic chuck |
| US9036326B2 (en) * | 2008-04-30 | 2015-05-19 | Axcelis Technologies, Inc. | Gas bearing electrostatic chuck |
| US9558980B2 (en) | 2008-04-30 | 2017-01-31 | Axcelis Technologies, Inc. | Vapor compression refrigeration chuck for ion implanters |
| JP2013532354A (ja) | 2010-05-28 | 2013-08-15 | アクセリス テクノロジーズ， インコーポレイテッド | 冷却されるイオン注入システムのための加熱回転式のシールおよび軸受け |
| US8481969B2 (en) * | 2010-06-04 | 2013-07-09 | Axcelis Technologies, Inc. | Effective algorithm for warming a twist axis for cold ion implantations |
| US9711324B2 (en) | 2012-05-31 | 2017-07-18 | Axcelis Technologies, Inc. | Inert atmospheric pressure pre-chill and post-heat |
| JP5913254B2 (ja) * | 2013-10-30 | 2016-04-27 | グローブライド株式会社 | 魚釣用リール |
| JP6209096B2 (ja) * | 2014-02-06 | 2017-10-04 | グローブライド株式会社 | 魚釣用スピニングリール |
| CN105952904B (zh) * | 2016-07-15 | 2019-03-29 | 湖南维格磁流体股份有限公司 | 真空设备及其磁流体密封传动装置 |
| RU2663299C1 (ru) * | 2017-11-08 | 2018-08-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" | Способ получения магнитного масла |
| CN107842613B (zh) | 2017-12-13 | 2019-04-02 | 广西科技大学 | 一种弧形阶梯式磁流体密封装置 |
| CN112648374B (zh) * | 2020-12-30 | 2022-07-05 | 清华大学 | 软填料密封装置 |
| CN113319825B (zh) * | 2021-06-10 | 2024-03-15 | 潍坊新松机器人自动化有限公司 | 一种智能机器人回转装置 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1243234A (en) * | 1968-08-06 | 1971-08-18 | Dowding & Plummer Ltd | Improvements in or relating to shaft mountings |
| US4335885A (en) * | 1980-08-19 | 1982-06-22 | Mechanical Technology Incorporated | Plural fluid magnetic/centrifugal seal |
| CH657721A5 (de) * | 1982-01-11 | 1986-09-15 | Papst Motoren Gmbh & Co Kg | Aussenlaeufer-direktantriebsmotor. |
| US4577340A (en) * | 1983-09-19 | 1986-03-18 | Technicare Corporation | High vacuum rotating anode X-ray tube |
| JPS61137168U (enExample) * | 1985-02-15 | 1986-08-26 | ||
| DE3616866A1 (de) * | 1986-05-20 | 1987-01-02 | Ruediger Prof Dr Ing Haberland | Selbstausrichtendes klebeverfahren fuer kugellager |
| JPS6314018U (enExample) * | 1986-07-11 | 1988-01-29 | ||
| US4824122A (en) * | 1987-03-02 | 1989-04-25 | Ferrofluidics Corporation | Compact magnetic fluid low pressure seal |
| JPH075325Y2 (ja) * | 1988-02-13 | 1995-02-08 | 光洋精工株式会社 | 密封装置 |
| US5215313A (en) * | 1990-10-24 | 1993-06-01 | Nsk, Ltd. | Magnetic fluid sealing device |
| US5235227A (en) * | 1991-01-23 | 1993-08-10 | Panavision International L.P. | Noise and vibration dampened electric motor such as for use with a sound movie camera |
| US5340122A (en) * | 1992-06-22 | 1994-08-23 | Ferrofluidics Corporation | Differentially-pumped ferrofluidic seal |
| AU4863093A (en) * | 1992-10-08 | 1994-04-21 | Ferrofluidics Corporation | Ferrofluidic seal centering ring |
| JP2729734B2 (ja) * | 1992-10-12 | 1998-03-18 | 株式会社三協精機製作所 | 磁気ディスク駆動モータ |
| US5826885A (en) * | 1996-10-02 | 1998-10-27 | Rigaku/Usa, Inc. | Magnetic fluid sealing device |
| JP3687288B2 (ja) * | 1997-07-15 | 2005-08-24 | Ｎｏｋ株式会社 | 磁性流体を利用した密封装置 |
| US6199867B1 (en) * | 1997-09-30 | 2001-03-13 | Rigaku/Usa, Inc. | Rotary motion feedthrough device |
| US5975536A (en) | 1997-09-30 | 1999-11-02 | Rigaku/Usa, Inc. | Rotary motion feedthrough with rotating magnet system |
| 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 |
| JP2000337391A (ja) * | 1999-05-28 | 2000-12-05 | Minebea Co Ltd | 軸受装置 |
| US6857635B1 (en) * | 2001-10-18 | 2005-02-22 | Ferrotec (Usa) Corporation | Ultra high vacuum ferrofluidic seals and method of manufacture |
| US6854351B2 (en) | 2001-11-14 | 2005-02-15 | Nsk Ltd. | Linear motion device, rolling device and separator for rolling device |
| US6558042B1 (en) | 2001-12-28 | 2003-05-06 | Sae Magnetics(H. K.) Ltd. | Bearing guided ferrofluid seal and seal carrier |
| US7343002B1 (en) | 2003-02-05 | 2008-03-11 | Varian Medical Systems Technologies, Inc. | Bearing assembly |
| JP4885490B2 (ja) | 2005-06-30 | 2012-02-29 | 株式会社リガク | 磁性流体シール装置 |
| US7129609B1 (en) * | 2005-08-30 | 2006-10-31 | Ferrolabs, Inc. | Magneto-fluidic seal with wide working temperature range |
| JP5607978B2 (ja) * | 2010-04-08 | 2014-10-15 | ミネベア株式会社 | ピボットアッシー軸受 |
-
2009
- 2009-10-08 JP JP2011531172A patent/JP5651596B2/ja not_active Expired - Fee Related
- 2009-10-08 CA CA2739789A patent/CA2739789C/en not_active Expired - Fee Related
- 2009-10-08 EP EP13169115.6A patent/EP2647857A1/en not_active Withdrawn
- 2009-10-08 US US12/575,933 patent/US8382118B2/en not_active Expired - Fee Related
- 2009-10-08 EP EP09737301.3A patent/EP2334940B1/en not_active Not-in-force
- 2009-10-08 WO PCT/US2009/060000 patent/WO2010042718A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207217A (zh) * | 2019-08-27 | 2020-05-29 | 杭州慧翔电液技术开发有限公司 | 集成高精度旋转功能的磁流体密封装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2334940A1 (en) | 2011-06-22 |
| JP2012505361A (ja) | 2012-03-01 |
| US20100090413A1 (en) | 2010-04-15 |
| EP2647857A1 (en) | 2013-10-09 |
| JP5651596B2 (ja) | 2015-01-14 |
| CA2739789A1 (en) | 2010-04-15 |
| EP2334940B1 (en) | 2014-05-07 |
| WO2010042718A1 (en) | 2010-04-15 |
| US8382118B2 (en) | 2013-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20140911 |
|
| MKLA | Lapsed |
Effective date: 20201008 |