JP7457231B2 - 軸受 - Google Patents
軸受 Download PDFInfo
- Publication number
- JP7457231B2 JP7457231B2 JP2019163283A JP2019163283A JP7457231B2 JP 7457231 B2 JP7457231 B2 JP 7457231B2 JP 2019163283 A JP2019163283 A JP 2019163283A JP 2019163283 A JP2019163283 A JP 2019163283A JP 7457231 B2 JP7457231 B2 JP 7457231B2
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- JP
- Japan
- Prior art keywords
- annular member
- bearing
- inner ring
- shaft
- frequency noise
- 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.)
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- 239000000696 magnetic material Substances 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 15
- 230000000644 propagated effect Effects 0.000 claims description 12
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Landscapes
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Description
以下、上述した各構成要素の変形例について説明する。図3および図4の各図では、既に説明した構成要素と同じものについては、同じ符号を付することによって説明を省略する。また、以下の説明では、既に説明した構成要素と同じ名称のものについては、異なる符号を付していても、特に明記しない場合は同じ機能を有するものとする。
Claims (2)
- 内輪および外輪の間に転動体を備えた軸受において、
前記転動体を保持する保持器と、
前記内輪および外輪と同軸の円環状に形成された円環部材とを備え、
前記円環部材は磁性体から形成されていて、
前記円環部材は前記内輪の側方に設けられ、該円環部材の外輪側の端部が直接又は間接に前記外輪または保持器に固定されていて、
前記内輪は前記円環部材を配置する分前記外輪よりも幅が狭く形成されていて、
軸に伝搬した高周波ノイズを前記円環部材によって減衰させることを特徴とする軸受。 - 内輪および外輪の間に転動体を備えた軸受において、
前記内輪および外輪と同軸の円環状に形成された円環部材を備え、
前記円環部材は磁性体から形成されていて、
前記円環部材の幅は前記内輪の幅より狭く、該円環部材が前記内輪の側方に突出しない状態に、前記内輪の内周面の一部である切欠きに埋め込まれていて、
軸に伝搬した高周波ノイズを前記円環部材によって減衰させることを特徴とする軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019163283A JP7457231B2 (ja) | 2019-09-06 | 2019-09-06 | 軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019163283A JP7457231B2 (ja) | 2019-09-06 | 2019-09-06 | 軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021042783A JP2021042783A (ja) | 2021-03-18 |
JP7457231B2 true JP7457231B2 (ja) | 2024-03-28 |
Family
ID=74862997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019163283A Active JP7457231B2 (ja) | 2019-09-06 | 2019-09-06 | 軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7457231B2 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161902A (en) | 1988-09-29 | 1992-11-10 | Nippon Seiko Kabushiki Kaisha | Magnetic sealing device for use between first and second magnetic members which rotate relative to each other |
JP2004360823A (ja) | 2003-06-05 | 2004-12-24 | Nsk Ltd | 転がり軸受 |
JP2008101696A (ja) | 2006-10-19 | 2008-05-01 | Nsk Ltd | 転がり軸受 |
JP2011256895A (ja) | 2010-06-07 | 2011-12-22 | Ntn Corp | 転がり軸受 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2866163B2 (ja) * | 1990-05-30 | 1999-03-08 | エヌテイエヌ株式会社 | 磁気遮蔽転がり軸受装置 |
-
2019
- 2019-09-06 JP JP2019163283A patent/JP7457231B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161902A (en) | 1988-09-29 | 1992-11-10 | Nippon Seiko Kabushiki Kaisha | Magnetic sealing device for use between first and second magnetic members which rotate relative to each other |
JP2004360823A (ja) | 2003-06-05 | 2004-12-24 | Nsk Ltd | 転がり軸受 |
JP2008101696A (ja) | 2006-10-19 | 2008-05-01 | Nsk Ltd | 転がり軸受 |
JP2011256895A (ja) | 2010-06-07 | 2011-12-22 | Ntn Corp | 転がり軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP2021042783A (ja) | 2021-03-18 |
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