JP2005127524A - 動圧軸受装置 - Google Patents
動圧軸受装置 Download PDFInfo
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- JP2005127524A JP2005127524A JP2005018691A JP2005018691A JP2005127524A JP 2005127524 A JP2005127524 A JP 2005127524A JP 2005018691 A JP2005018691 A JP 2005018691A JP 2005018691 A JP2005018691 A JP 2005018691A JP 2005127524 A JP2005127524 A JP 2005127524A
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Abstract
【解決手段】
軸受スリーブ4を内部に配したハウジング3を絞り加工で形成する。ハウジング3の底部3bにカップ状のスラスト部材6を配置し、このスラスト部材6を軸受スリーブ4の下側端面4bに当接させて第一および第二スラスト軸受部T1、T2におけるスラスト軸受隙間の幅を規定値に設定する。
【選択図】 図1
Description
2 軸部材
2a 軸部
2b フランジ部
3 ハウジング
3a 側部
3b 底部
3c 係止部
3d 段部
3e 縮径部
3h 係止部
4 軸受スリーブ
4a 内周面
4b 端面
4c 端面
5 シール手段
5a シール部材
6 スラスト部材
7 スラスト受け面
Claims (4)
- 軸部およびフランジ部を有する軸部材と、軸受スリーブと、内周に軸受スリーブを固定したハウジングと、スラスト受け面を有するスラスト部材と、軸部材の軸部外周と軸受スリーブの内周との間に形成されたラジアル軸受隙間と、フランジ部の一方の端面とスラスト受け面との間に形成されたスラスト軸受隙間とを備え、軸部材と軸受スリーブの相対回転でラジアル軸受隙間およびスラスト軸受隙間に流体による動圧効果で圧力を発生させて、軸部材と軸受スリーブとを非接触に保持する動圧軸受装置において、
スラスト部材を軸受スリーブの端面に当接させたことを特徴とする動圧軸受装置。 - さらに、フランジ部の他方の端面と軸受スリーブの端面との間にスラスト軸受隙間を備える請求項1記載の動圧軸受装置。
- スラスト部材がカップ状をなす請求項1または2記載の動圧軸受装置。
- スラスト部材でハウジングの一端開口部を封口した請求項1〜3何れか記載の動圧軸受装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005018691A JP4219903B2 (ja) | 2002-04-05 | 2005-01-26 | 動圧軸受装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002103837 | 2002-04-05 | ||
JP2005018691A JP4219903B2 (ja) | 2002-04-05 | 2005-01-26 | 動圧軸受装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002272115A Division JP4159332B2 (ja) | 2002-04-05 | 2002-09-18 | 動圧軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005127524A true JP2005127524A (ja) | 2005-05-19 |
JP4219903B2 JP4219903B2 (ja) | 2009-02-04 |
Family
ID=34655411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005018691A Expired - Lifetime JP4219903B2 (ja) | 2002-04-05 | 2005-01-26 | 動圧軸受装置 |
Country Status (1)
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JP (1) | JP4219903B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008164022A (ja) * | 2006-12-27 | 2008-07-17 | Ntn Corp | 動圧軸受装置およびその製造方法 |
WO2008140075A1 (ja) * | 2007-05-10 | 2008-11-20 | Nidec Corporation | 流体動圧軸受およびモータ |
WO2011105481A1 (ja) * | 2010-02-26 | 2011-09-01 | Ntn株式会社 | 流体動圧軸受装置 |
-
2005
- 2005-01-26 JP JP2005018691A patent/JP4219903B2/ja not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008164022A (ja) * | 2006-12-27 | 2008-07-17 | Ntn Corp | 動圧軸受装置およびその製造方法 |
JP4647585B2 (ja) * | 2006-12-27 | 2011-03-09 | Ntn株式会社 | 動圧軸受装置およびその製造方法 |
WO2008140075A1 (ja) * | 2007-05-10 | 2008-11-20 | Nidec Corporation | 流体動圧軸受およびモータ |
WO2011105481A1 (ja) * | 2010-02-26 | 2011-09-01 | Ntn株式会社 | 流体動圧軸受装置 |
JP2011196544A (ja) * | 2010-02-26 | 2011-10-06 | Ntn Corp | 流体動圧軸受装置 |
CN102762879A (zh) * | 2010-02-26 | 2012-10-31 | Ntn株式会社 | 流体动压轴承装置 |
EP2541084A4 (en) * | 2010-02-26 | 2013-12-04 | Ntn Toyo Bearing Co Ltd | DYNAMIC FLUID BEARING DEVICE |
US8864380B2 (en) | 2010-02-26 | 2014-10-21 | Ntn Corporation | Fluid dynamic bearing device |
Also Published As
Publication number | Publication date |
---|---|
JP4219903B2 (ja) | 2009-02-04 |
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