JP6737660B2 - 磁性流体シール付き軸受ユニット、及び、そのような軸受ユニットを備えた駆動モータ - Google Patents
磁性流体シール付き軸受ユニット、及び、そのような軸受ユニットを備えた駆動モータ Download PDFInfo
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- JP6737660B2 JP6737660B2 JP2016167789A JP2016167789A JP6737660B2 JP 6737660 B2 JP6737660 B2 JP 6737660B2 JP 2016167789 A JP2016167789 A JP 2016167789A JP 2016167789 A JP2016167789 A JP 2016167789A JP 6737660 B2 JP6737660 B2 JP 6737660B2
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- magnetic
- inner ring
- outer ring
- drive motor
- support member
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- 239000011553 magnetic fluid Substances 0.000 title description 50
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 21
- 239000000696 magnetic material Substances 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 14
- 238000007789 sealing Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- -1 for example Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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- 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
- 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
- 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
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
-
- 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
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
- F16C2202/40—Magnetic
-
- 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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
安定した磁気回路を形成することが可能な磁性流体シール付き軸受ユニットが組み込まれた駆動モータが得られる。
なお、以下に説明する実施形態では、前記実施形態と同様な構成については同一の参照符号を付し、詳細な説明については省略する。
本実施形態の駆動モータ50の構成部品は、ハウジング51と、ハウジング51内に収容される複数の棒状の磁石52と、回転軸53を装着し前記磁石52との間の電磁作用により回転駆動されるロータ55と、回転軸53を回転可能に支持する軸受ユニット1Aとを具備している。
3 内輪
5 外輪
7 転動体
10 磁気シール機構
12 磁石
14 極板
16 磁性流体
30,30A 内輪側支持部材
40,40A 外輪側支持部材
50 駆動モータ
M1,M2 磁気回路
Claims (3)
- ハウジングと、ハウジング内に収容される磁石と、磁石との間の電磁作用により回転駆動され、回転軸を装着したロータと、前記回転軸を回転可能に支持する軸受とを具備したモータ構成部品を有する駆動モータであって、
前記軸受は、磁性材で形成された内輪及び外輪と、前記内輪と外輪との間に介装された複数の転動体と、前記内輪と外輪との間に配設され、前記複数の転動体側への異物の侵入を阻止する磁気シール機構と、を有し、
前記外輪とモータ構成部品との間、及び、前記内輪とモータ構成部品との間には、非磁性の支持部材が配設されていることを特徴とする駆動モータ。 - 前記非磁性の支持部材は、樹脂又はゴムで構成されていることを特徴とする請求項1に記載の駆動モータ。
- 前記非磁性の支持部材は、前記軸受の外輪とハウジングとの間、及び、前記軸受の内輪とロータとの間に介在されるように、前記外輪及び内輪に対して嵌合、保持される円筒状に形成されていることを特徴とする請求項2に記載の駆動モータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016167789A JP6737660B2 (ja) | 2016-08-30 | 2016-08-30 | 磁性流体シール付き軸受ユニット、及び、そのような軸受ユニットを備えた駆動モータ |
CN201710696000.3A CN107795583B (zh) | 2016-08-30 | 2017-08-15 | 带有磁性流体密封的轴承单元及驱动马达 |
US15/681,547 US10527099B2 (en) | 2016-08-30 | 2017-08-21 | Magnet fluid sealed bearing unit and drive motor having the bearing unit |
EP17188538.7A EP3290730B1 (en) | 2016-08-30 | 2017-08-30 | Magnet fluid sealed bearing unit and drive motor having the bearing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016167789A JP6737660B2 (ja) | 2016-08-30 | 2016-08-30 | 磁性流体シール付き軸受ユニット、及び、そのような軸受ユニットを備えた駆動モータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018035839A JP2018035839A (ja) | 2018-03-08 |
JP6737660B2 true JP6737660B2 (ja) | 2020-08-12 |
Family
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JP2016167789A Active JP6737660B2 (ja) | 2016-08-30 | 2016-08-30 | 磁性流体シール付き軸受ユニット、及び、そのような軸受ユニットを備えた駆動モータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10527099B2 (ja) |
EP (1) | EP3290730B1 (ja) |
JP (1) | JP6737660B2 (ja) |
CN (1) | CN107795583B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110762307B (zh) * | 2019-12-03 | 2024-04-12 | 中国工程物理研究院总体工程研究所 | 磁流体密封旋转接头 |
CN112178201B (zh) * | 2020-09-29 | 2021-08-17 | 清华大学 | 磁性液体密封装置 |
CN113389817A (zh) * | 2021-07-05 | 2021-09-14 | 航天精工股份有限公司 | 一种具有可拆卸多重密封防护的航空航天用轴承 |
CN115912797B (zh) * | 2022-12-13 | 2023-11-07 | 上海乐来汽车分析测试有限公司 | 一种新能源汽车电机加载轴电磁噪声电流抑制装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU781469A1 (ru) * | 1979-04-10 | 1980-11-23 | Ивановский энергетический институт им.В.И.Ленина | Уплотнительно-опорный узел вала |
JPH0253268U (ja) * | 1988-10-07 | 1990-04-17 | ||
JPH02168835A (ja) * | 1988-12-20 | 1990-06-28 | Fujitsu General Ltd | スピンドルモータ |
US6530535B2 (en) * | 2000-03-16 | 2003-03-11 | Daiwa Seiko, Inc. | Fishing reel |
JP2001330038A (ja) * | 2000-03-17 | 2001-11-30 | Nsk Ltd | 転がり支持装置 |
WO2002008623A1 (en) * | 2000-07-18 | 2002-01-31 | Nsk Ltd. | Rolling apparatus |
JP5578673B2 (ja) * | 2010-08-27 | 2014-08-27 | グローブライド株式会社 | 魚釣用リール |
JP5797600B2 (ja) * | 2012-04-26 | 2015-10-21 | グローブライド株式会社 | 磁性流体シール付き軸受 |
JP2014161300A (ja) | 2013-02-27 | 2014-09-08 | Globeride Inc | 魚釣用電動リール |
JP6074328B2 (ja) | 2013-06-28 | 2017-02-01 | グローブライド株式会社 | 磁性流体シール付き軸受 |
JP6342640B2 (ja) * | 2013-10-25 | 2018-06-13 | グローブライド株式会社 | 魚釣用リール |
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 |
JP6231355B2 (ja) * | 2013-11-06 | 2017-11-15 | グローブライド株式会社 | 磁性流体シール付き軸受、及び磁性流体シール付き軸受を配設した魚釣用リール |
JP6276130B2 (ja) * | 2014-07-29 | 2018-02-07 | グローブライド株式会社 | 磁性流体シール付き軸受 |
CN105317848B (zh) * | 2014-07-29 | 2017-12-12 | 古洛布莱株式会社 | 磁流体密封式轴承及具备该轴承的钓鱼用卷线器 |
JP6574118B2 (ja) * | 2015-08-28 | 2019-09-11 | グローブライド株式会社 | 磁性流体シール付き軸受 |
-
2016
- 2016-08-30 JP JP2016167789A patent/JP6737660B2/ja active Active
-
2017
- 2017-08-15 CN CN201710696000.3A patent/CN107795583B/zh active Active
- 2017-08-21 US US15/681,547 patent/US10527099B2/en active Active
- 2017-08-30 EP EP17188538.7A patent/EP3290730B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10527099B2 (en) | 2020-01-07 |
US20180058503A1 (en) | 2018-03-01 |
EP3290730A1 (en) | 2018-03-07 |
JP2018035839A (ja) | 2018-03-08 |
EP3290730B1 (en) | 2021-03-10 |
CN107795583B (zh) | 2019-12-20 |
CN107795583A (zh) | 2018-03-13 |
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