JP4642708B2 - 動圧軸受装置 - Google Patents
動圧軸受装置 Download PDFInfo
- Publication number
- JP4642708B2 JP4642708B2 JP2006182317A JP2006182317A JP4642708B2 JP 4642708 B2 JP4642708 B2 JP 4642708B2 JP 2006182317 A JP2006182317 A JP 2006182317A JP 2006182317 A JP2006182317 A JP 2006182317A JP 4642708 B2 JP4642708 B2 JP 4642708B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- hole
- radial
- gap
- bearing member
- 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
Images
Landscapes
- Sliding-Contact Bearings (AREA)
Description
2 軸部材
7 軸受部材
8 スリーブ部
9 ハウジング部
10 蓋部材
11 シール部
12 貫通孔
13 成形ピン
14 外型
15 内型
16 キャビティ
A1 厚肉部
A2 薄肉部
R ラジアル軸受部
T1、T2 スラスト軸受部
Claims (3)
- 射出成形で形成された軸受部材と、軸受部材の内周に挿入された軸部材とを備え、軸受部材の内周面と軸部材の外周面との間に形成されたラジアル軸受隙間に、潤滑流体の動圧作用を発生させる動圧軸受装置において、
軸受部材に、半径方向の肉厚が異なる厚肉部と薄肉部を円周方向で異なる位置に設け、厚肉部に内面を成形面とした軸方向の貫通孔を設けたことを特徴とする動圧軸受装置。 - 軸受部材の円周方向に前記厚肉部と前記薄肉部を交互に設けた請求項1記載の動圧軸受装置。
- 貫通孔の一端をラジアル軸受隙間の一端に連通させると共に、貫通孔の他端をラジアル軸受隙間の他端に連通させ、ラジアル軸受隙間、貫通孔、および貫通孔とラジアル軸受隙間の間を全て潤滑流体で満たした請求項1又は2記載の動圧軸受装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006182317A JP4642708B2 (ja) | 2006-06-30 | 2006-06-30 | 動圧軸受装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006182317A JP4642708B2 (ja) | 2006-06-30 | 2006-06-30 | 動圧軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008008473A JP2008008473A (ja) | 2008-01-17 |
JP4642708B2 true JP4642708B2 (ja) | 2011-03-02 |
Family
ID=39066864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006182317A Expired - Fee Related JP4642708B2 (ja) | 2006-06-30 | 2006-06-30 | 動圧軸受装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4642708B2 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004011897A (ja) * | 2002-06-11 | 2004-01-15 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2006046461A (ja) * | 2004-08-03 | 2006-02-16 | Ntn Corp | 動圧軸受装置 |
JP2006097852A (ja) * | 2004-09-30 | 2006-04-13 | Ntn Corp | 動圧軸受装置 |
-
2006
- 2006-06-30 JP JP2006182317A patent/JP4642708B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004011897A (ja) * | 2002-06-11 | 2004-01-15 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
JP2006046461A (ja) * | 2004-08-03 | 2006-02-16 | Ntn Corp | 動圧軸受装置 |
JP2006097852A (ja) * | 2004-09-30 | 2006-04-13 | Ntn Corp | 動圧軸受装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2008008473A (ja) | 2008-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101519426B1 (ko) | 유체 동압 베어링 장치 | |
JP2007024146A (ja) | 動圧軸受装置 | |
US20090279817A1 (en) | Fluid dynamic bearing apparatus | |
JP5207657B2 (ja) | 動圧軸受装置の製造方法 | |
JP2006292013A (ja) | 動圧軸受装置 | |
JP2008069805A (ja) | 動圧軸受装置 | |
US8511899B2 (en) | Fluid dynamic bearing device, and manufacturing method of bearing member | |
JP4916673B2 (ja) | 動圧軸受装置 | |
JP2008008367A (ja) | 動圧軸受装置 | |
JP4559336B2 (ja) | 流体軸受装置およびその製造方法 | |
JP5220339B2 (ja) | 流体軸受装置 | |
JP4642682B2 (ja) | 動圧軸受装置及びその製造方法 | |
JP4738964B2 (ja) | 流体軸受装置およびこれを有するモータ | |
JP4642708B2 (ja) | 動圧軸受装置 | |
JP2006258123A (ja) | 動圧軸受装置 | |
JP5133156B2 (ja) | 流体動圧軸受装置 | |
JP2008075687A (ja) | 流体軸受装置 | |
JP2008069835A (ja) | 動圧軸受装置 | |
JP4615328B2 (ja) | 動圧軸受装置 | |
JP4949216B2 (ja) | 流体軸受装置 | |
JP5122205B2 (ja) | 流体軸受装置の組立方法 | |
JP4522869B2 (ja) | 動圧軸受装置 | |
JP4685641B2 (ja) | 流体軸受装置及びその製造方法 | |
JP2007113778A (ja) | 流体軸受装置およびこれを備えたモータ | |
JP2007255646A (ja) | 流体軸受装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090316 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20091105 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100907 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100909 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101102 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101122 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101201 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131210 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |