JPS60160073U - brushless motor - Google Patents

brushless motor

Info

Publication number
JPS60160073U
JPS60160073U JP4745784U JP4745784U JPS60160073U JP S60160073 U JPS60160073 U JP S60160073U JP 4745784 U JP4745784 U JP 4745784U JP 4745784 U JP4745784 U JP 4745784U JP S60160073 U JPS60160073 U JP S60160073U
Authority
JP
Japan
Prior art keywords
magnetic
sealing member
fluid sealing
brushless motor
recording medium
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
JP4745784U
Other languages
Japanese (ja)
Inventor
純一 大村
Original Assignee
東芝テック株式会社
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 東芝テック株式会社 filed Critical 東芝テック株式会社
Priority to JP4745784U priority Critical patent/JPS60160073U/en
Publication of JPS60160073U publication Critical patent/JPS60160073U/en
Pending legal-status Critical Current

Links

Landscapes

  • Brushless Motors (AREA)
  • Rotational Drive Of Disk (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図および第２図は本考案の一実施例を示し、第１図
は断面図、第２図は一部の拡大断面図である。 １・・・密閉形本体、１ａ・・・−側壁、２・・・ハウ
ジング、４・・・軸受、５・・・主軸、６・・・磁気記
録媒体、１゛０・・・磁性流体シール、１４・・・磁気
漏れ防止部材。1 and 2 show an embodiment of the present invention, with FIG. 1 being a sectional view and FIG. 2 being a partially enlarged sectional view. DESCRIPTION OF SYMBOLS 1... Sealed main body, 1a...-side wall, 2... Housing, 4... Bearing, 5... Main shaft, 6... Magnetic recording medium, 1゛0... Magnetic fluid seal , 14...Magnetic leakage prevention member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 非磁性体製のハウジングと、このハウジングに軸受を介
して支持される主軸との間に、磁性流体シール部材を設
けた構造を備え、かつ、磁気記録媒体を収納した密閉形
本体の一側壁に、この壁を貫通して取付けられるブラシ
レスモータにおいて、上記本体内に位置する上記磁性流
体シール部材の外周と上記磁気記録媒体との間に、磁気
漏れ防止部材を配設したことを特徴とするブラシレスモ
ータ。It has a structure in which a magnetic fluid sealing member is provided between a housing made of a non-magnetic material and a main shaft supported by the housing via a bearing, and a magnetic fluid sealing member is provided on one side wall of the closed body housing a magnetic recording medium. , a brushless motor installed through the wall, characterized in that a magnetic leak prevention member is disposed between the outer periphery of the magnetic fluid sealing member located in the main body and the magnetic recording medium. motor.
JP4745784U 1984-03-31 1984-03-31 brushless motor Pending JPS60160073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4745784U JPS60160073U (en) 1984-03-31 1984-03-31 brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4745784U JPS60160073U (en) 1984-03-31 1984-03-31 brushless motor

Publications (1)

Publication Number Publication Date
JPS60160073U true JPS60160073U (en) 1985-10-24

Family

ID=30562803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4745784U Pending JPS60160073U (en) 1984-03-31 1984-03-31 brushless motor

Country Status (1)

Country Link
JP (1) JPS60160073U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133537A (en) * 1987-11-18 1989-05-25 Nippon Densan Kk Spindle motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01133537A (en) * 1987-11-18 1989-05-25 Nippon Densan Kk Spindle motor

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