JPH01120776U - - Google Patents
Info
- Publication number
- JPH01120776U JPH01120776U JP1252588U JP1252588U JPH01120776U JP H01120776 U JPH01120776 U JP H01120776U JP 1252588 U JP1252588 U JP 1252588U JP 1252588 U JP1252588 U JP 1252588U JP H01120776 U JPH01120776 U JP H01120776U
- Authority
- JP
- Japan
- Prior art keywords
- rotating magnet
- annular
- rotor
- motor
- motor core
- 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
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Brushless Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図から第５図は本考案の高速モータ用スラ
スト軸受機構の一実施例を示し、第１図は縦断面
図、第２図は第１図の―線に沿つた断面図、
第３図は第１図の―線に沿つた断面図、第４
図はロータへのスラスト方向の荷重とロータの沈
降量との関係を示す特性図、第５図はモータ用コ
アと環状磁性材体との距離に対する回転側磁石と
環状磁性材体との間に閉成される磁束との関係を
示す特性図、第６図は従来例を示す縦断正面図で
ある。
２２……中心軸、２３……ロータ、２５……多
孔質部材、２６……溝、２８……多面鏡、３０…
…回転側磁石、３１……ロータ用コア、３５……
環状磁性材体、３６……環状間隙。
1 to 5 show an embodiment of the thrust bearing mechanism for a high-speed motor of the present invention, in which FIG. 1 is a longitudinal sectional view, FIG. 2 is a sectional view taken along the line - in FIG.
Figure 3 is a sectional view taken along the - line in Figure 1;
The figure is a characteristic diagram showing the relationship between the load in the thrust direction on the rotor and the amount of settling of the rotor. Figure 5 shows the relationship between the rotating side magnet and the annular magnetic material with respect to the distance between the motor core and the annular magnetic material. A characteristic diagram showing the relationship with the closed magnetic flux, and FIG. 6 is a longitudinal sectional front view showing a conventional example. 22... Central axis, 23... Rotor, 25... Porous member, 26... Groove, 28... Polygon mirror, 30...
...Rotating side magnet, 31... Rotor core, 35...
Annular magnetic material body, 36... annular gap.
Claims (1)
ようにして外装固着されているとともに周方向に
複数の磁極を有する環状の回転側磁石と、前記モ
ータ用コアより上方位置において前記回転側磁石
と環状間隙を介して対向している環状磁性材体と
を有する高速モータ用スラスト軸受機構。 an annular rotating magnet that is externally fixed to a rotor that rotates at high speed so as to face a motor core and has a plurality of magnetic poles in a circumferential direction; and an annular gap between the rotating magnet and the rotating magnet at a position above the motor core. A thrust bearing mechanism for a high-speed motor, having an annular magnetic material body facing each other with a cylindrical member interposed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012525U JPH0724933Y2 (en) | 1988-02-03 | 1988-02-03 | Thrust bearing mechanism for high speed motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012525U JPH0724933Y2 (en) | 1988-02-03 | 1988-02-03 | Thrust bearing mechanism for high speed motors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120776U true JPH01120776U (en) | 1989-08-16 |
| JPH0724933Y2 JPH0724933Y2 (en) | 1995-06-05 |
Family
ID=31222036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988012525U Expired - Lifetime JPH0724933Y2 (en) | 1988-02-03 | 1988-02-03 | Thrust bearing mechanism for high speed motors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724933Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150753A (en) * | 1990-10-11 | 1992-05-25 | Hitachi Ltd | Motor and polygonal mirror motor having magnetic fluid bearing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599768U (en) * | 1982-07-09 | 1984-01-21 | 松下電工株式会社 | Inductor type synchronous motor |
-
1988
- 1988-02-03 JP JP1988012525U patent/JPH0724933Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599768U (en) * | 1982-07-09 | 1984-01-21 | 松下電工株式会社 | Inductor type synchronous motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150753A (en) * | 1990-10-11 | 1992-05-25 | Hitachi Ltd | Motor and polygonal mirror motor having magnetic fluid bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724933Y2 (en) | 1995-06-05 |