JPS61476U - Spindle motor for magnetic disk - Google Patents

Spindle motor for magnetic disk

Info

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
Application number
JP8168484U
Other languages
Japanese (ja)
Inventor
裕之 清水
秀憲 土井
Original Assignee
日本電気精器株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気精器株式会社 filed Critical 日本電気精器株式会社
Priority to JP8168484U priority Critical patent/JPS61476U/en
Publication of JPS61476U publication Critical patent/JPS61476U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 ディスクフレーム内に配設した磁気ディスクを回転駆動
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:
JP8168484U 1984-06-01 1984-06-01 Spindle motor for magnetic disk Pending JPS61476U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822571A (en) * 1981-07-29 1983-02-09 Japan Servo Co Ltd Dc brushless motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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