JPH0482394U - - Google Patents
Info
- Publication number
- JPH0482394U JPH0482394U JP12421490U JP12421490U JPH0482394U JP H0482394 U JPH0482394 U JP H0482394U JP 12421490 U JP12421490 U JP 12421490U JP 12421490 U JP12421490 U JP 12421490U JP H0482394 U JPH0482394 U JP H0482394U
- Authority
- JP
- Japan
- Prior art keywords
- polyimide
- magnetic bearing
- rotor
- centrifugal compressor
- impregnated resin
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims 5
- 239000004642 Polyimide Substances 0.000 claims 4
- 239000003507 refrigerant Substances 0.000 claims 2
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例の遠心圧縮機の縦断
面図、第２図は第１図の磁気軸受用電磁石の要部
断面図、第３図は第１図の軸変位検出センサの先
端部断面図である。
１……インペラ、２……回転子、３……電動機
、４……ラジアル磁気軸受、５……軸変位検出セ
ンサ、６……スラスト磁気軸受、７……軸変位検
出センサ、８……制御装置、９……コイル、１０
……含浸樹脂、１１……スロツト絶縁、１２……
鉄心、１３……ケース。
Fig. 1 is a longitudinal cross-sectional view of a centrifugal compressor according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of essential parts of the magnetic bearing electromagnet shown in Fig. 1, and Fig. 3 is a cross-sectional view of the shaft displacement detection sensor shown in Fig. 1. It is a sectional view of a tip part. 1... Impeller, 2... Rotor, 3... Electric motor, 4... Radial magnetic bearing, 5... Shaft displacement detection sensor, 6... Thrust magnetic bearing, 7... Shaft displacement detection sensor, 8... Control Device, 9...Coil, 10
... Impregnated resin, 11 ... Slot insulation, 12 ...
Iron core, 13...case.
Claims (1)
１−トリフルオロエタンを用い、同一の冷媒で機
内を冷却する遠心圧縮機において、ポリイミド被
覆絶縁電線とポリイミドフイルムまたは芳香族ポ
リアミド紙からなるスロツト絶縁とを有し、含浸
樹脂にポリイミドを含有した樹脂を使用してなる
電磁石を有する磁気軸受と、回転子の位置を検出
して前記磁気軸受の制御を行うポリイミド被覆絶
縁電線を用いポリイミドを含有した含浸樹脂によ
り絶縁してなる軸変位検出センサを備えたことを
特徴とする遠心圧縮機。 2,2-dichloro-1,1, as the refrigerant to be compressed
In a centrifugal compressor that uses 1-trifluoroethane and cools the inside of the machine with the same refrigerant, it has polyimide-coated insulated wire and slot insulation made of polyimide film or aromatic polyamide paper, and the impregnated resin contains polyimide. A magnetic bearing having an electromagnet using a rotor, and a shaft displacement detection sensor comprising a polyimide-coated insulated wire that detects the position of the rotor and controls the magnetic bearing, and is insulated with an impregnated resin containing polyimide. A centrifugal compressor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124214U JP2564266Y2 (en) | 1990-11-28 | 1990-11-28 | Centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124214U JP2564266Y2 (en) | 1990-11-28 | 1990-11-28 | Centrifugal compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482394U true JPH0482394U (en) | 1992-07-17 |
| JP2564266Y2 JP2564266Y2 (en) | 1998-03-04 |
Family
ID=31871874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990124214U Expired - Lifetime JP2564266Y2 (en) | 1990-11-28 | 1990-11-28 | Centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2564266Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01112708A (en) * | 1987-10-27 | 1989-05-01 | Mitsubishi Alum Co Ltd | Electromagnetic coil |
| JPH01269867A (en) * | 1988-04-20 | 1989-10-27 | Ebara Corp | Heat pump |
-
1990
- 1990-11-28 JP JP1990124214U patent/JP2564266Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01112708A (en) * | 1987-10-27 | 1989-05-01 | Mitsubishi Alum Co Ltd | Electromagnetic coil |
| JPH01269867A (en) * | 1988-04-20 | 1989-10-27 | Ebara Corp | Heat pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2564266Y2 (en) | 1998-03-04 |
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