JPH0169365U - - Google Patents
Info
- Publication number
- JPH0169365U JPH0169365U JP1987162991U JP16299187U JPH0169365U JP H0169365 U JPH0169365 U JP H0169365U JP 1987162991 U JP1987162991 U JP 1987162991U JP 16299187 U JP16299187 U JP 16299187U JP H0169365 U JPH0169365 U JP H0169365U
- Authority
- JP
- Japan
- Prior art keywords
- stator yoke
- stator
- stator coil
- yoke
- rotating shaft
- 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
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000004907 flux Effects 0.000 description 1
Description
第１図は本考案の一実施例の構成を示す断面図
、第２図及び第３図は従来の光デイスクドライブ
モータの断面図、第４図は回転モータ内のロータ
部雄よステータ部における磁束の状態を示す説明
図である。
２１……ターンテーブル、２２……回転軸、２
３……フランジ、２４……ロータヨーク、２５…
…ローターマグネツト、２７……軸受、２８……
ボス（中間部材）、２９……ステータヨーク、３
０……ステータコイル、３２……フレーム。
FIG. 1 is a sectional view showing the configuration of an embodiment of the present invention, FIGS. 2 and 3 are sectional views of a conventional optical disk drive motor, and FIG. It is an explanatory view showing the state of magnetic flux. 21... Turntable, 22... Rotating shaft, 2
3...Flange, 24...Rotor yoke, 25...
...Rotor magnet, 27...Bearing, 28...
Boss (intermediate member), 29...Stator yoke, 3
0...Stator coil, 32...Frame.
Claims (1)
、永久磁石回路或はアキシヤルギヤツプを用いて
構成された回転モータにおいて、前記ステータコ
イルを設置するステータヨークは、回転軸側の内
径側小面積部分だけを中間部材を介してフレーム
に固定され、さらに該ステータヨークの外周自由
端部にウエイトを付加したことを特徴とする光デ
イスクドライブモータ。 In a rotary motor that has a rotor magnet and a stator coil and is configured using a permanent magnet circuit or an axial gap, the stator yoke in which the stator coil is installed only has a small area on the inner diameter side on the rotating shaft side. An optical disk drive motor characterized in that the stator yoke is fixed to a frame via an intermediate member, and a weight is added to the free end of the outer periphery of the stator yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162991U JPH0169365U (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162991U JPH0169365U (en) | 1987-10-23 | 1987-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0169365U true JPH0169365U (en) | 1989-05-09 |
Family
ID=31447315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162991U Pending JPH0169365U (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0169365U (en) |
-
1987
- 1987-10-23 JP JP1987162991U patent/JPH0169365U/ja active Pending