JPS6090417U - rotating device - Google Patents
rotating deviceInfo
- Publication number
- JPS6090417U JPS6090417U JP18214183U JP18214183U JPS6090417U JP S6090417 U JPS6090417 U JP S6090417U JP 18214183 U JP18214183 U JP 18214183U JP 18214183 U JP18214183 U JP 18214183U JP S6090417 U JPS6090417 U JP S6090417U
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- hole
- along
- dynamic pressure
- rotating body
- 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
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Mechanical Optical Scanning Systems (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図は従来例を示す断面図、第２図は本考案の一実施
例を示す断面図である。
１・・・支持部、ｌａ、ｌｂ・・・動圧溝、−３・・・
円筒状回転体、６・・・スラスト型磁気軸受、２０ａ、
２０ｂ、３５・・・貫通孔、３４・・・底端部。FIG. 1 is a sectional view showing a conventional example, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1... Support part, la, lb... dynamic pressure groove, -3...
Cylindrical rotating body, 6... Thrust type magnetic bearing, 20a,
20b, 35...through hole, 34...bottom end.
Claims (1)
端部が固定された支持軸と、この支持軸の他端部から挿
入されこの挿入側の反対側になる底端部をスラスト型磁
気軸受で支持された円筒状回転体とを備え、駆動装置に
よって上記円筒状回転体が上記支持軸のまわりを回転す
る回転装置において、上記支持軸に軸方向に沿って両端
を貫通した貫通孔とこの貫通孔と連絡し上記支持軸の半
径方向に沿って、支持軸の側面上を貫通した貫通孔とを
設けるとともに、上記円筒状回転体の底端部にこの円筒
状回転体の回転軸に沿って底端部を貫通した貫通孔を設
けたことを特徴とする回転装置。A support shaft that has dynamic pressure grooves in at least three places that generate dynamic pressure and has one end fixed, and a bottom end that is inserted from the other end of this support shaft and is on the opposite side of this insertion side is a thrust type. A rotation device comprising a cylindrical rotating body supported by a magnetic bearing, and in which the cylindrical rotating body is rotated around the support shaft by a drive device, the through hole passing through both ends of the support shaft along the axial direction. A through hole is provided that communicates with this through hole and passes through the side surface of the support shaft along the radial direction of the support shaft. A rotating device characterized in that a through hole is provided along the bottom end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18214183U JPS6090417U (en) | 1983-11-28 | 1983-11-28 | rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18214183U JPS6090417U (en) | 1983-11-28 | 1983-11-28 | rotating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090417U true JPS6090417U (en) | 1985-06-20 |
Family
ID=30394522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18214183U Pending JPS6090417U (en) | 1983-11-28 | 1983-11-28 | rotating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61294409A (en) * | 1985-06-21 | 1986-12-25 | Copal Electron Co Ltd | Bearing for optical deflector |
| JPS6321916U (en) * | 1986-07-29 | 1988-02-13 | ||
| JPH05106635A (en) * | 1991-04-10 | 1993-04-27 | Sumitomo Electric Ind Ltd | Compound bearing construction |
-
1983
- 1983-11-28 JP JP18214183U patent/JPS6090417U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61294409A (en) * | 1985-06-21 | 1986-12-25 | Copal Electron Co Ltd | Bearing for optical deflector |
| JPS6321916U (en) * | 1986-07-29 | 1988-02-13 | ||
| JPH05106635A (en) * | 1991-04-10 | 1993-04-27 | Sumitomo Electric Ind Ltd | Compound bearing construction |
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