JPH0333219U - - Google Patents
Info
- Publication number
- JPH0333219U JPH0333219U JP9490789U JP9490789U JPH0333219U JP H0333219 U JPH0333219 U JP H0333219U JP 9490789 U JP9490789 U JP 9490789U JP 9490789 U JP9490789 U JP 9490789U JP H0333219 U JPH0333219 U JP H0333219U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic bearing
- magnetic
- pair
- metal member
- poles
- 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
- 239000002184 metal Substances 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図はこの考案に係る磁気軸受のノイズシー
ルドの一実施例を示す概略構成図、第２図は従来
例を示す回路ブロツク図、第３図は従来例におけ
る磁気軸受の構造を示す概略構成図である。
１……Ｎ極、１′……Ｓ極、１ａ……Ｎ極突出
部、１′ａ……Ｓ極突出部、３……コア部、５…
…シヨートリング。
Fig. 1 is a schematic configuration diagram showing an embodiment of the magnetic bearing noise shield according to this invention, Fig. 2 is a circuit block diagram showing a conventional example, and Fig. 3 is a schematic configuration showing the structure of a magnetic bearing in the conventional example. It is a diagram. 1...N pole, 1'...S pole, 1a...N pole protrusion, 1'a...S pole protrusion, 3...Core part, 5...
...Shotring.
Claims (1)
する磁気軸受において、 磁気軸受用のセンサおよび電磁石の各Ｎ・Ｓ極
を１つのペアとして突出する磁極を複数形成した
コア部と、 その１つのペアとなる磁極の巻線を施した突出
部に対し巻回される、金属製部材からなるシヨー
トリングと、 から構成されていることを特徴とする磁気軸受
のノイズシールド構造。[Scope of claim for utility model registration] In a magnetic bearing that supports a rotor used in a turbo-molecular pump, etc., a core in which a plurality of protruding magnetic poles are formed, with the N and S poles of a sensor and an electromagnet for the magnetic bearing forming one pair. A noise shielding structure for a magnetic bearing, characterized in that it is comprised of: a shot ring made of a metal member that is wound around a protruding part having one pair of magnetic pole windings; and a shot ring made of a metal member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9490789U JPH0333219U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9490789U JPH0333219U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333219U true JPH0333219U (en) | 1991-04-02 |
Family
ID=31644189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9490789U Pending JPH0333219U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087968A (en) * | 1998-09-18 | 2000-03-28 | Mitsubishi Electric Corp | Radial magnetic bearing device |
| JP2006083923A (en) * | 2004-09-15 | 2006-03-30 | Boc Edwards Kk | Magnetic bearing device and turbo molecular drag pump equipped with the same |
| WO2017006844A1 (en) * | 2015-07-07 | 2017-01-12 | エドワーズ株式会社 | Electromagnet unit, magnetic bearing device, and vacuum pump |
-
1989
- 1989-08-11 JP JP9490789U patent/JPH0333219U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087968A (en) * | 1998-09-18 | 2000-03-28 | Mitsubishi Electric Corp | Radial magnetic bearing device |
| JP2006083923A (en) * | 2004-09-15 | 2006-03-30 | Boc Edwards Kk | Magnetic bearing device and turbo molecular drag pump equipped with the same |
| WO2017006844A1 (en) * | 2015-07-07 | 2017-01-12 | エドワーズ株式会社 | Electromagnet unit, magnetic bearing device, and vacuum pump |
| JP2017020520A (en) * | 2015-07-07 | 2017-01-26 | エドワーズ株式会社 | Electromagnet unit, magnetic bearing device and vacuum pump |
| CN107683376A (en) * | 2015-07-07 | 2018-02-09 | 埃地沃兹日本有限公司 | Electromagnet unit, magnetic bearing device and vavuum pump |
| KR20180026667A (en) * | 2015-07-07 | 2018-03-13 | 에드워즈 가부시키가이샤 | Electromagnet unit, magnetic bearing device and vacuum pump |
| CN107683376B (en) * | 2015-07-07 | 2020-08-11 | 埃地沃兹日本有限公司 | Electromagnet unit, magnetic bearing device, and vacuum pump |
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