JPS61476U - Spindle motor for magnetic disk - Google Patents
Spindle motor for magnetic diskInfo
- Publication number
- JPS61476U JPS61476U JP8168484U JP8168484U JPS61476U JP S61476 U JPS61476 U JP S61476U JP 8168484 U JP8168484 U JP 8168484U JP 8168484 U JP8168484 U JP 8168484U JP S61476 U JPS61476 U JP S61476U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- magnetic disk
- outer rotor
- magnetic
- spindle motor
- 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
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Rotational Drive Of Disk (AREA)
- Brushless Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、本考案のスピンドルモータの一実施例を示す
断面図、第2図け従来の磁気ディスクドライブ茅置の要
部構成説明図である。
1・・・・・・アウタロータ(ディスクハブ)、3・・
・・・・アウタロータの底面部材、4・・・・・・疑似
シャフト、−5・・・・・・モータ基板、6・・・・・
・固定軸、8,9・・・・・・軸受、10・・・・・・
固定子鉄心、12・・・・・・永久磁石、13・・・・
・・磁性流体シール、16・・・・・・ディスクフレー
ム(ケーシング)。FIG. 1 is a sectional view showing an embodiment of the spindle motor of the present invention, and FIG. 2 is an explanatory diagram of the main part structure of a conventional magnetic disk drive rack. 1... Outer rotor (disc hub), 3...
...Bottom member of outer rotor, 4...Pseudo shaft, -5...Motor board, 6...
・Fixed shaft, 8, 9...Bearing, 10...
Stator core, 12...Permanent magnet, 13...
...Magnetic fluid seal, 16...Disc frame (casing).
Claims (1)
するアウタロータ形ブラシレスDCモータであって、 アウタロータは磁性ステンレススチールで形成し、上記
アウタロータの外周円筒面を磁気ディスクを装着するデ
ィスクハブとし、かつ上記アウタロータの底面部材に円
環状の疑似シャフトを設け、該疑似シャフトに対向する
位置に磁性流体シールを設けることにより、上記ディス
クフレーム内にモータ全体を納めることが可能な構造に
したことを特徴とする磁気ディスク用スピンドルモータ
。[Claims for Utility Model Registration] An outer rotor type brushless DC motor that rotationally drives a magnetic disk disposed within a disk frame, the outer rotor being formed of magnetic stainless steel, and a magnetic disk attached to the outer cylindrical surface of the outer rotor. A structure in which the entire motor can be housed within the disk frame by providing a disk hub with a disk hub, an annular pseudo-shaft on the bottom member of the outer rotor, and providing a magnetic fluid seal at a position facing the pseudo-shaft. A magnetic disk spindle motor characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8168484U JPS61476U (en) | 1984-06-01 | 1984-06-01 | Spindle motor for magnetic disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8168484U JPS61476U (en) | 1984-06-01 | 1984-06-01 | Spindle motor for magnetic disk |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61476U true JPS61476U (en) | 1986-01-06 |
Family
ID=30628695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8168484U Pending JPS61476U (en) | 1984-06-01 | 1984-06-01 | Spindle motor for magnetic disk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61476U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6312588U (en) * | 1986-03-26 | 1988-01-27 | ||
JPS63194571U (en) * | 1987-06-02 | 1988-12-14 | ||
JPH01147669U (en) * | 1988-03-30 | 1989-10-12 | ||
JPH0210777U (en) * | 1988-06-29 | 1990-01-23 | ||
JP2019523625A (en) * | 2016-07-21 | 2019-08-22 | エルジー イノテック カンパニー リミテッド | Fan motor and vehicle including the same |
WO2020022280A1 (en) * | 2018-07-25 | 2020-01-30 | 株式会社デンソー | Dynamo-electric machine |
JP2020025439A (en) * | 2018-07-25 | 2020-02-13 | 株式会社デンソー | Dynamo-electric machine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5822571A (en) * | 1981-07-29 | 1983-02-09 | Japan Servo Co Ltd | Dc brushless motor |
-
1984
- 1984-06-01 JP JP8168484U patent/JPS61476U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5822571A (en) * | 1981-07-29 | 1983-02-09 | Japan Servo Co Ltd | Dc brushless motor |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6312588U (en) * | 1986-03-26 | 1988-01-27 | ||
JPS63194571U (en) * | 1987-06-02 | 1988-12-14 | ||
JPH01147669U (en) * | 1988-03-30 | 1989-10-12 | ||
JPH0210777U (en) * | 1988-06-29 | 1990-01-23 | ||
JP2019523625A (en) * | 2016-07-21 | 2019-08-22 | エルジー イノテック カンパニー リミテッド | Fan motor and vehicle including the same |
WO2020022280A1 (en) * | 2018-07-25 | 2020-01-30 | 株式会社デンソー | Dynamo-electric machine |
JP2020025439A (en) * | 2018-07-25 | 2020-02-13 | 株式会社デンソー | Dynamo-electric machine |
CN112470378A (en) * | 2018-07-25 | 2021-03-09 | 株式会社电装 | Rotating electrical machine |
US11967867B2 (en) | 2018-07-25 | 2024-04-23 | Denso Corporation | Rotating electric machine and vehicle wheel using rotating electric machine |
CN112470378B (en) * | 2018-07-25 | 2024-07-23 | 株式会社电装 | Rotary electric machine |
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