JPH0351227U - - Google Patents
Info
- Publication number
- JPH0351227U JPH0351227U JP11195389U JP11195389U JPH0351227U JP H0351227 U JPH0351227 U JP H0351227U JP 11195389 U JP11195389 U JP 11195389U JP 11195389 U JP11195389 U JP 11195389U JP H0351227 U JPH0351227 U JP H0351227U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- permanent magnet
- bearing
- magnetic
- pole pieces
- 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
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Sliding-Contact Bearings (AREA)
Description
第１図は本考案に係る動圧グルーブ軸受機構の
実施例を示す図、第２図は第１図の磁気回路構成
要素を示す斜視図、第３図は従来例を示す図であ
る。
１……シヤフト、１ａ……溝、２……軸受、３
……潤滑油、５……永久磁石、６……磁性流体、
７……ポールピース。
FIG. 1 is a diagram showing an embodiment of the dynamic pressure groove bearing mechanism according to the present invention, FIG. 2 is a perspective view showing the magnetic circuit components of FIG. 1, and FIG. 3 is a diagram showing a conventional example. 1...Shaft, 1a...Groove, 2...Bearing, 3
... Lubricating oil, 5 ... Permanent magnet, 6 ... Magnetic fluid,
7...Pole piece.
Claims (1)
けたシヤフト１と、シヤフトの端部を支持穴に受
ける軸受２とからなり、シヤフトと支持穴との間
隙部に潤滑油３を設けた軸受機構において、 シヤフト１を磁性体で構成し、 軸受２の上部へシヤフトを取り囲む如く配置し
たリング状の永久磁石５と、 永久磁石から生じた磁力線がシヤフトを通つて
再び永久磁石に戻る磁気回路を構成する２つの円
盤状のポールピース７と、 ポールピースとシヤフトとの間に設けた磁性流
体６と、 を備えた動圧グルーブ軸受機構。[Claims for Utility Model Registration] Consisting of a shaft 1 in which a plurality of spiral grooves 1a are provided at the end of a cylindrical member, and a bearing 2 that receives the end of the shaft in a support hole. In a bearing mechanism in which lubricating oil 3 is provided in the gap, the shaft 1 is made of a magnetic material, and a ring-shaped permanent magnet 5 is placed above the bearing 2 so as to surround the shaft, and lines of magnetic force generated from the permanent magnet move the shaft. A hydrodynamic groove bearing mechanism comprising: two disc-shaped pole pieces 7 forming a magnetic circuit that passes through the magnetic circuit and returns to the permanent magnet; and a magnetic fluid 6 provided between the pole pieces and the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11195389U JPH0351227U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11195389U JPH0351227U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351227U true JPH0351227U (en) | 1991-05-17 |
Family
ID=31660413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11195389U Pending JPH0351227U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351227U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127513A (en) * | 1985-11-26 | 1987-06-09 | Nippon Seiko Kk | spindle |
-
1989
- 1989-09-25 JP JP11195389U patent/JPH0351227U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127513A (en) * | 1985-11-26 | 1987-06-09 | Nippon Seiko Kk | spindle |
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