JPH0296016U - - Google Patents
Info
- Publication number
- JPH0296016U JPH0296016U JP451189U JP451189U JPH0296016U JP H0296016 U JPH0296016 U JP H0296016U JP 451189 U JP451189 U JP 451189U JP 451189 U JP451189 U JP 451189U JP H0296016 U JPH0296016 U JP H0296016U
- Authority
- JP
- Japan
- Prior art keywords
- excitation
- current
- control
- rotating body
- gap length
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims 5
- 239000000696 magnetic material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の請求範囲(1)，(2)に係る一実
施例の構成図、第２図は本考案の請求範囲(2)に
係る一実施例のブロツク図、第３図は従来装置の
構成側面図、第４図は同従来装置の第３図の−
断面図、第５図は同従来装置の第３図の−
断面図、第６図は同従来装置のブロツク図、第７
図は従来装置の他の例の構成図である。
１−１，２−１，３−１，４−１，５−１，５
′−１……重量支持用電磁石、１−２，２−２，
３−２，４−２，５−２，５′−２……制御用電
磁石、６……回転軸、７……回転デイスク、１０
……制御回路、１１，１１′……駆動回路、１２
，１２′……検出装置、１３，１３′……直流電
源回路。
Figure 1 is a block diagram of an embodiment according to claims (1) and (2) of the present invention, Figure 2 is a block diagram of an embodiment according to claim (2) of the present invention, and Figure 3 is a block diagram of an embodiment according to claim (2) of the present invention. A side view of the configuration of the conventional device, FIG. 4 is a side view of the conventional device in FIG. 3.
The sectional view, FIG. 5, is the − of FIG. 3 of the conventional device.
A cross-sectional view, Figure 6 is a block diagram of the conventional device, and Figure 7 is a cross-sectional view.
The figure is a configuration diagram of another example of the conventional device. 1-1, 2-1, 3-1, 4-1, 5-1, 5
'-1... Weight-supporting electromagnet, 1-2, 2-2,
3-2, 4-2, 5-2, 5'-2... Control electromagnet, 6... Rotating shaft, 7... Rotating disk, 10
...Control circuit, 11, 11'...Drive circuit, 12
, 12'...detection device, 13, 13'...DC power supply circuit.
Claims (1)
隙長を介して対向した複数の重量支持用電磁石と
、同回転体に所定の空隙長を介して対向した複数
の制御用電磁石と、上記重量支持用電磁石につな
がれ、励磁直流電流の印加手段と、上記制御用電
磁石につながれ、上記空隙長を維持する制御励磁
電流の印加手段とを備えてなることを特徴とする
能動型磁気軸受。 (2) 請求項(1)記載の能動型磁気軸受において、
制御励磁電流の印加手段の電流の直流成分を検出
する検出装置と、同検出装置の出力が零となるよ
うに励磁直流電流の印加手段の励磁直流電流を制
御するフイードバツクループを付加したことを特
徴とする能動型磁気軸受。[Claims for Utility Model Registration] (1) A rotating body made of a magnetic material, a plurality of weight-supporting electromagnets facing the rotating body with a predetermined gap length in between, and a rotating body made of a magnetic material with a predetermined gap length in between. a plurality of control electromagnets facing each other; a means for applying an excitation direct current connected to the weight support electromagnet; and a means for applying a control excitation current connected to the control electromagnet to maintain the gap length. An active magnetic bearing characterized by: (2) In the active magnetic bearing according to claim (1),
Addition of a detection device that detects the DC component of the current of the control excitation current application means and a feedback loop that controls the excitation DC current of the excitation DC current application means so that the output of the detection device becomes zero. An active magnetic bearing featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP451189U JPH0296016U (en) | 1989-01-20 | 1989-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP451189U JPH0296016U (en) | 1989-01-20 | 1989-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0296016U true JPH0296016U (en) | 1990-07-31 |
Family
ID=31207090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP451189U Pending JPH0296016U (en) | 1989-01-20 | 1989-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0296016U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012030459A1 (en) * | 2010-08-30 | 2012-03-08 | Dresser-Rand Company | Eddy current damper and method |
| US8851756B2 (en) | 2011-06-29 | 2014-10-07 | Dresser-Rand Company | Whirl inhibiting coast-down bearing for magnetic bearing systems |
| US8876389B2 (en) | 2011-05-27 | 2014-11-04 | Dresser-Rand Company | Segmented coast-down bearing for magnetic bearing systems |
| US8994237B2 (en) | 2010-12-30 | 2015-03-31 | Dresser-Rand Company | Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems |
| US9024493B2 (en) | 2010-12-30 | 2015-05-05 | Dresser-Rand Company | Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems |
| US9551349B2 (en) | 2011-04-08 | 2017-01-24 | Dresser-Rand Company | Circulating dielectric oil cooling system for canned bearings and canned electronics |
-
1989
- 1989-01-20 JP JP451189U patent/JPH0296016U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012030459A1 (en) * | 2010-08-30 | 2012-03-08 | Dresser-Rand Company | Eddy current damper and method |
| US8994237B2 (en) | 2010-12-30 | 2015-03-31 | Dresser-Rand Company | Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems |
| US9024493B2 (en) | 2010-12-30 | 2015-05-05 | Dresser-Rand Company | Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems |
| US9551349B2 (en) | 2011-04-08 | 2017-01-24 | Dresser-Rand Company | Circulating dielectric oil cooling system for canned bearings and canned electronics |
| US8876389B2 (en) | 2011-05-27 | 2014-11-04 | Dresser-Rand Company | Segmented coast-down bearing for magnetic bearing systems |
| US8851756B2 (en) | 2011-06-29 | 2014-10-07 | Dresser-Rand Company | Whirl inhibiting coast-down bearing for magnetic bearing systems |
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