JPS61152820U - - Google Patents
Info
- Publication number
- JPS61152820U JPS61152820U JP3722585U JP3722585U JPS61152820U JP S61152820 U JPS61152820 U JP S61152820U JP 3722585 U JP3722585 U JP 3722585U JP 3722585 U JP3722585 U JP 3722585U JP S61152820 U JPS61152820 U JP S61152820U
- Authority
- JP
- Japan
- Prior art keywords
- air gap
- axial direction
- magnetic bearing
- thrust
- thrust magnetic
- 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.)
- Granted
Links
Landscapes
- Non-Positive Displacement Air Blowers (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の一実施例を示すターボ分子ポ
ンプの磁気軸受装置断面図である。第２図は第１
図の要部拡大図である。
Ｓ……シヤフト、３……スラスト磁気軸受装置
、６……スラストリング、９……スラスト磁気軸
受、１０……タツチベアリング、１３……軸端部
、１５……取付軸部、１６……キヤツプナツト、
１７……小径カラー、１８……大径カラー、α，
β……エアギヤツプ。
FIG. 1 is a sectional view of a magnetic bearing device for a turbo-molecular pump showing an embodiment of the present invention. Figure 2 is the first
It is an enlarged view of the main part of the figure. S...Shaft, 3...Thrust magnetic bearing device, 6...Thrust ring, 9...Thrust magnetic bearing, 10...Touch bearing, 13...Shaft end, 15...Mounting shaft, 16...Cap nut ,
17...Small diameter collar, 18...Large diameter collar, α,
β...Air gap.
Claims (1)
シヤル方向の各エアギヤツプを設けてタツチベア
リングを配設するとともに、前記軸端部から延長
される取付軸部にスラストリングを着脱可能に繋
着し該スラストリングにアキシヤル方向のエアギ
ヤツプを設けてスラスト磁気軸受を配設するよう
にしたスラスト磁気軸受装置において、前記軸端
部と前記スラストリングとの間に、前記軸端部と
前記タツチベアリングとの間のアキシヤル方向の
エアギヤツプを設定する小径カラーと、前記スラ
ストリングと前記スラスト磁気軸受との間のアキ
シヤル方向のエアギヤツプを設定する大径カラー
とを介入したことを特徴とするスラスト磁気軸受
装置のエアギヤツプ調整構造。 Each air gap in the radial direction and the axial direction is provided around the shaft end of the shaft, and a touch bearing is disposed therein, and a thrust ring is removably connected to a mounting shaft extending from the shaft end. In a thrust magnetic bearing device in which a thrust magnetic bearing is disposed by providing an air gap in an axial direction at An air gap adjustment structure for a thrust magnetic bearing device, characterized in that a small diameter collar for setting an air gap in the axial direction and a large diameter collar for setting an air gap in the axial direction between the thrust ring and the thrust magnetic bearing are interposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3722585U JPH0139942Y2 (en) | 1985-03-14 | 1985-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3722585U JPH0139942Y2 (en) | 1985-03-14 | 1985-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61152820U true JPS61152820U (en) | 1986-09-22 |
| JPH0139942Y2 JPH0139942Y2 (en) | 1989-11-30 |
Family
ID=30543114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3722585U Expired JPH0139942Y2 (en) | 1985-03-14 | 1985-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0139942Y2 (en) |
-
1985
- 1985-03-14 JP JP3722585U patent/JPH0139942Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0139942Y2 (en) | 1989-11-30 |