JPH0449697U - - Google Patents
Info
- Publication number
- JPH0449697U JPH0449697U JP9007890U JP9007890U JPH0449697U JP H0449697 U JPH0449697 U JP H0449697U JP 9007890 U JP9007890 U JP 9007890U JP 9007890 U JP9007890 U JP 9007890U JP H0449697 U JPH0449697 U JP H0449697U
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal compressor
- magnetic bearing
- thrust
- rotating shaft
- pressure stage
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 2
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の一実施例に係る遠心圧縮機の
縦断面図、第２図は第１図のＡ部詳細図、第３図
は本考案の他の実施例に係る遠心圧縮機の縦断面
図、第４図は従来の遠心圧縮機の縦断面図、第５
図は第４図のＡ部詳細図である。
１……回転軸、２……高圧段羽根、３……低圧
段羽根、４……モータ回転子、５……モータ固定
子、６……ラジアル磁気軸受、７……ラジアル変
位センサ、８……スラストデイスク、９……スラ
スト磁気軸受、１０……スラスト変位センサ、１
１……センサターゲツト、１２……冷媒分岐配管
、１３……冷媒戻し配管。
Fig. 1 is a longitudinal sectional view of a centrifugal compressor according to an embodiment of the present invention, Fig. 2 is a detailed view of section A in Fig. 1, and Fig. 3 is a longitudinal sectional view of a centrifugal compressor according to another embodiment of the present invention. 4 is a vertical sectional view of a conventional centrifugal compressor, and 5 is a vertical sectional view of a conventional centrifugal compressor.
The figure is a detailed view of section A in FIG. 4. DESCRIPTION OF SYMBOLS 1...Rotating shaft, 2...High pressure stage vane, 3...Low pressure stage vane, 4...Motor rotor, 5...Motor stator, 6...Radial magnetic bearing, 7...Radial displacement sensor, 8... ... Thrust disk, 9... Thrust magnetic bearing, 10... Thrust displacement sensor, 1
1... Sensor target, 12... Refrigerant branch pipe, 13... Refrigerant return pipe.
Claims (1)
両端部に羽根を有する２段圧縮型の遠心圧縮機に
おいて、高圧段の羽根の背面に軸方向変位を検出
するスラスト変位検出センサを設け、この出力を
スラスト磁気軸受の制御に用いるこを特徴とする
遠心圧縮機。 In a two-stage compression type centrifugal compressor equipped with a rotor supported by a magnetic bearing and having blades at both ends of the rotating shaft, a thrust displacement detection sensor is provided on the back surface of the high-pressure stage blade to detect axial displacement, A centrifugal compressor characterized in that this output is used to control a thrust magnetic bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090078U JP2529694Y2 (en) | 1990-08-30 | 1990-08-30 | Centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090078U JP2529694Y2 (en) | 1990-08-30 | 1990-08-30 | Centrifugal compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0449697U true JPH0449697U (en) | 1992-04-27 |
| JP2529694Y2 JP2529694Y2 (en) | 1997-03-19 |
Family
ID=31824518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990090078U Expired - Lifetime JP2529694Y2 (en) | 1990-08-30 | 1990-08-30 | Centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2529694Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018028295A (en) * | 2016-08-18 | 2018-02-22 | 株式会社Ihi | Compressor |
| CN115523158A (en) * | 2022-09-28 | 2022-12-27 | 西北工业大学 | A magnetic levitation fully symmetrical centrifugal fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6226596U (en) * | 1985-07-31 | 1987-02-18 | ||
| JPH0213197A (en) * | 1988-06-30 | 1990-01-17 | Fujitsu Ltd | Automatic edit system for office data in stored program control system |
| JPH0213197U (en) * | 1988-07-04 | 1990-01-26 | ||
| JPH0242197A (en) * | 1989-07-24 | 1990-02-13 | Ebara Corp | Blade end gap control device for centrifugal impeller |
| JPH0278793A (en) * | 1988-09-14 | 1990-03-19 | Ebara Corp | Multistage volute type vacuum pump |
| JPH02107816A (en) * | 1989-09-04 | 1990-04-19 | Hitachi Ltd | Rotating machines with magnetic bearings |
-
1990
- 1990-08-30 JP JP1990090078U patent/JP2529694Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6226596U (en) * | 1985-07-31 | 1987-02-18 | ||
| JPH0213197A (en) * | 1988-06-30 | 1990-01-17 | Fujitsu Ltd | Automatic edit system for office data in stored program control system |
| JPH0213197U (en) * | 1988-07-04 | 1990-01-26 | ||
| JPH0278793A (en) * | 1988-09-14 | 1990-03-19 | Ebara Corp | Multistage volute type vacuum pump |
| JPH0242197A (en) * | 1989-07-24 | 1990-02-13 | Ebara Corp | Blade end gap control device for centrifugal impeller |
| JPH02107816A (en) * | 1989-09-04 | 1990-04-19 | Hitachi Ltd | Rotating machines with magnetic bearings |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018028295A (en) * | 2016-08-18 | 2018-02-22 | 株式会社Ihi | Compressor |
| CN115523158A (en) * | 2022-09-28 | 2022-12-27 | 西北工业大学 | A magnetic levitation fully symmetrical centrifugal fan |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2529694Y2 (en) | 1997-03-19 |