JPS5892516U - Dynamic pressure bearing device for rotating units - Google Patents
Dynamic pressure bearing device for rotating unitsInfo
- Publication number
- JPS5892516U JPS5892516U JP18801781U JP18801781U JPS5892516U JP S5892516 U JPS5892516 U JP S5892516U JP 18801781 U JP18801781 U JP 18801781U JP 18801781 U JP18801781 U JP 18801781U JP S5892516 U JPS5892516 U JP S5892516U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- dynamic pressure
- sleeve
- bearing device
- thrust
- 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
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の実施例の断面図、第２図は他の実施
例のスラスト軸受面の平面図、第３図は他の実施例の第
１図相当図で、符号１は固定軸、２はベース、３はスリ
ーブ、１１１は動圧発生用のみぞである。Fig. 1 is a cross-sectional view of an embodiment of this invention, Fig. 2 is a plan view of the thrust bearing surface of another embodiment, and Fig. 3 is a view equivalent to Fig. 1 of another embodiment, where 1 is a fixed shaft. , 2 is a base, 3 is a sleeve, and 111 is a groove for generating dynamic pressure.
Claims (1)
と対向して共働するスリーブ内径面の少くとも一方の軸
受面に、動圧発生用のみぞを備えたラジアル気体軸受と
、前記スリーブが回転することにより前記ラジアル軸受
から流出する気体を前記スリーブの端面と該端面と対向
して共働する前記ベースのスラスト軸受面に流入させた
スラスト気体軸受とを形成し、前記両軸受により前記ス
リーブを回転支持することを特徴とする回転ユニット用
動圧軸受装置。 −２６前記スリーブの端面また
は前記ベースの軸受面の少（とも一方に動圧発生用のみ
ぞを備えた実用新案登録請求の範囲第１項記載の回転ユ
ニット用動圧軸受装置。 ３ 前記スラスト気体軸受に補助スラスト磁気軸受を設
けた実用新案登録請求の範囲第１項記載の回転ユニット
用動圧軸受装置。[Claims for Utility Model Registration] 1. A bearing surface for generating dynamic pressure is provided on at least one bearing surface of the outer diameter surface of the fixed shaft fixed to the base or the inner diameter surface of the sleeve that faces and cooperates with the outer diameter surface. A radial gas bearing having a groove, and a thrust gas that flows out of the radial bearing as the sleeve rotates and flows into an end surface of the sleeve and a thrust bearing surface of the base that faces and cooperates with the end surface. 1. A hydrodynamic bearing device for a rotating unit, characterized in that the sleeve is rotatably supported by both bearings. -26 The dynamic pressure bearing device for a rotating unit according to claim 1, wherein the end face of the sleeve or the bearing surface of the base is provided with a groove for generating dynamic pressure.3 The thrust gas A hydrodynamic bearing device for a rotating unit according to claim 1, wherein the bearing is provided with an auxiliary thrust magnetic bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18801781U JPS5892516U (en) | 1981-12-18 | 1981-12-18 | Dynamic pressure bearing device for rotating units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18801781U JPS5892516U (en) | 1981-12-18 | 1981-12-18 | Dynamic pressure bearing device for rotating units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5892516U true JPS5892516U (en) | 1983-06-23 |
Family
ID=29991263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18801781U Pending JPS5892516U (en) | 1981-12-18 | 1981-12-18 | Dynamic pressure bearing device for rotating units |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5892516U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917019A (en) * | 1982-07-20 | 1984-01-28 | Toshiba Corp | Rotary body supporter |
| WO2000066902A1 (en) * | 1999-04-30 | 2000-11-09 | Sumitomo Electric Industries, Ltd. | Dynamic pressure bearing and spindle motor with the bearing |
| WO2000068586A1 (en) * | 1999-05-07 | 2000-11-16 | Sumitomo Electric Industries, Ltd. | Dynamic pressure bearing and spindle motor with the bearing |
-
1981
- 1981-12-18 JP JP18801781U patent/JPS5892516U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917019A (en) * | 1982-07-20 | 1984-01-28 | Toshiba Corp | Rotary body supporter |
| WO2000066902A1 (en) * | 1999-04-30 | 2000-11-09 | Sumitomo Electric Industries, Ltd. | Dynamic pressure bearing and spindle motor with the bearing |
| US6870289B1 (en) | 1999-04-30 | 2005-03-22 | Sumitomo Electric Industries, Ltd. | Dynamic-pressure bearing and spindle motor comprising the same |
| WO2000068586A1 (en) * | 1999-05-07 | 2000-11-16 | Sumitomo Electric Industries, Ltd. | Dynamic pressure bearing and spindle motor with the bearing |
| US6502989B1 (en) | 1999-05-07 | 2003-01-07 | Sumitomo Electric Industries, Ltd. | Dynamic pressure bearing and spindle motor with the bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61101467U (en) | ||
| JPS5892516U (en) | Dynamic pressure bearing device for rotating units | |
| JPS59191428U (en) | Sealing mechanism of rolling bearings | |
| JPS5831429U (en) | Hydrodynamic bearing device | |
| JPS58172118U (en) | hydrostatic bearing spindle | |
| JPS5966022U (en) | gas bearing spindle | |
| JPS5932715U (en) | thrust bearing | |
| JPS58129330U (en) | bearing box | |
| JPS6071724U (en) | Hydrodynamic groove bearing device | |
| JPS5831427U (en) | bearing assembly | |
| JPS584819U (en) | Hydrodynamic thrust bearing device | |
| JPS58184023U (en) | Hydrostatic gas bearing spindle | |
| JPS59146615U (en) | spindle unit | |
| JPS6071723U (en) | Thrust bearing device | |
| JPS6394327U (en) | ||
| JPS6093012U (en) | fluid bearing | |
| JPS6049328U (en) | Hydrodynamic radial bearing | |
| JPS59125613U (en) | Hydrodynamic bearing device | |
| JPH01144524U (en) | ||
| JPS617615U (en) | Dynamic pressure type gas bearing device | |
| JPS58169216U (en) | Dynamic pressure bearing spindle with stopper | |
| JPS5817798U (en) | Turntable drive device | |
| JPS5919688U (en) | turbo drill | |
| JPS58172115U (en) | Dynamic pressure type gas bearing device | |
| JPS58172120U (en) | Static pressure gas bearing device |