JP2001020946A - 動圧軸受装置 - Google Patents
動圧軸受装置Info
- Publication number
- JP2001020946A JP2001020946A JP11191314A JP19131499A JP2001020946A JP 2001020946 A JP2001020946 A JP 2001020946A JP 11191314 A JP11191314 A JP 11191314A JP 19131499 A JP19131499 A JP 19131499A JP 2001020946 A JP2001020946 A JP 2001020946A
- Authority
- JP
- Japan
- Prior art keywords
- thrust
- bearing
- bearing sleeve
- dynamic pressure
- bearing device
- 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.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000005498 polishing Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11191314A JP2001020946A (ja) | 1999-07-06 | 1999-07-06 | 動圧軸受装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11191314A JP2001020946A (ja) | 1999-07-06 | 1999-07-06 | 動圧軸受装置 |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006147511A Division JP2006234176A (ja) | 2006-05-29 | 2006-05-29 | 動圧軸受装置 |
| JP2006147513A Division JP2006220311A (ja) | 2006-05-29 | 2006-05-29 | 動圧軸受装置 |
| JP2006147512A Division JP2006220310A (ja) | 2006-05-29 | 2006-05-29 | 動圧軸受装置 |
| JP2006147510A Division JP2006220309A (ja) | 2006-05-29 | 2006-05-29 | 動圧軸受装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001020946A true JP2001020946A (ja) | 2001-01-23 |
| JP2001020946A5 JP2001020946A5 (enrdf_load_stackoverflow) | 2006-07-20 |
Family
ID=16272506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11191314A Pending JP2001020946A (ja) | 1999-07-06 | 1999-07-06 | 動圧軸受装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001020946A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003036111A1 (fr) * | 2001-10-24 | 2003-05-01 | Sony Corporation | Unite de roulement et moteur l'utilisant |
| JP2007211845A (ja) * | 2006-02-08 | 2007-08-23 | Crd Kk | 流体軸受モータ |
| US7455456B2 (en) | 2003-01-10 | 2008-11-25 | Sony Corporation | Bearing unit and rotation drive device using the same |
-
1999
- 1999-07-06 JP JP11191314A patent/JP2001020946A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003036111A1 (fr) * | 2001-10-24 | 2003-05-01 | Sony Corporation | Unite de roulement et moteur l'utilisant |
| US7029179B2 (en) | 2001-10-24 | 2006-04-18 | Sony Corporation | Bearing unit, and motor using same |
| CN100339603C (zh) * | 2001-10-24 | 2007-09-26 | 索尼公司 | 轴承装置及使用该轴承装置的马达 |
| CN100458195C (zh) * | 2001-10-24 | 2009-02-04 | 索尼公司 | 轴承装置及使用该轴承装置的马达 |
| KR100927247B1 (ko) * | 2001-10-24 | 2009-11-16 | 소니 가부시끼 가이샤 | 베어링유닛 및 이 베어링유닛을 이용한 모터 |
| US7455456B2 (en) | 2003-01-10 | 2008-11-25 | Sony Corporation | Bearing unit and rotation drive device using the same |
| US7510329B2 (en) | 2003-01-10 | 2009-03-31 | Sony Corporation | Bearing unit and rotary drive using the same |
| JP2007211845A (ja) * | 2006-02-08 | 2007-08-23 | Crd Kk | 流体軸受モータ |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050901 |
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| A521 | Written amendment |
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| A711 | Notification of change in applicant |
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| A977 | Report on retrieval |
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| A131 | Notification of reasons for refusal |
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| A521 | Written amendment |
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| A02 | Decision of refusal |
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| A521 | Written amendment |
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| A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
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| A912 | Removal of reconsideration by examiner before appeal (zenchi) |
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