JPS63109556U - - Google Patents

Info

Publication number
JPS63109556U
JPS63109556U JP20151386U JP20151386U JPS63109556U JP S63109556 U JPS63109556 U JP S63109556U JP 20151386 U JP20151386 U JP 20151386U JP 20151386 U JP20151386 U JP 20151386U JP S63109556 U JPS63109556 U JP S63109556U
Authority
JP
Japan
Prior art keywords
outer rotor
shaft
motor
bearing
magnetic
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
Application number
JP20151386U
Other languages
Japanese (ja)
Other versions
JPH0528926Y2 (en
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 filed Critical
Priority to JP1986201513U priority Critical patent/JPH0528926Y2/ja
Publication of JPS63109556U publication Critical patent/JPS63109556U/ja
Application granted granted Critical
Publication of JPH0528926Y2 publication Critical patent/JPH0528926Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Description

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

第１図は本考案の一実施例の断面図、第２図は
本考案の磁性流体シール部の説明図、第３図は従
来の構造を示す断面図、第４図は従来の磁性流体
シール部の説明図である。 １……アウタロータ、２……シヤフト、３……
モータ基板、４……ヨーク、５……永久磁石、７
……固定子鉄心、９，１０……ベアリング、１１
，１２，１８，１９……磁性リング、１３，１４
，２０，２１……磁性流体シール部材、１５，１
６……磁性流体。 Fig. 1 is a cross-sectional view of an embodiment of the present invention, Fig. 2 is an explanatory diagram of the magnetic fluid seal portion of the present invention, Fig. 3 is a cross-sectional view showing the conventional structure, and Fig. 4 is a conventional magnetic fluid seal. FIG. 1... Outer rotor, 2... Shaft, 3...
Motor board, 4...Yoke, 5...Permanent magnet, 7
... Stator core, 9, 10 ... Bearing, 11
, 12, 18, 19...magnetic ring, 13, 14
, 20, 21...Magnetic fluid sealing member, 15, 1
6...Magnetic fluid.

Claims (1)

【実用新案登録請求の範囲】 永久磁石の磁極を有するアウタロータと、該ア
ウタロータを回転自在に保持するベアリング及び
モータの固定子を取付けたシヤフトと、該シヤフ
トを固定し保持するモータ基板とを備えて構成さ
れるアウタロータ形式のスピンドルモータにおい
て、 上記ベアリングからモータの外部に漏洩するオ
イルミストを防止するために、上記アウタロータ
側に磁性リングを設け、上記シヤフトに該磁性リ
ングと対向させて磁性流体シール部材を固定し取
付けたことを特徴とするシヤフト固定型スピンド
ルモータ。[Claims for Utility Model Registration] An outer rotor having magnetic poles of a permanent magnet, a shaft to which a bearing and a motor stator are attached that rotatably hold the outer rotor, and a motor board that fixes and holds the shaft. In an outer rotor type spindle motor configured, in order to prevent oil mist leaking from the bearing to the outside of the motor, a magnetic ring is provided on the outer rotor side, and a magnetic fluid sealing member is provided on the shaft facing the magnetic ring. A fixed shaft spindle motor characterized by having a fixed shaft mounted thereon.
JP1986201513U 1986-12-26 1986-12-26 Expired - Lifetime JPH0528926Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986201513U JPH0528926Y2 (en) 1986-12-26 1986-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986201513U JPH0528926Y2 (en) 1986-12-26 1986-12-26

Publications (2)

Publication Number Publication Date
JPS63109556U true JPS63109556U (en) 1988-07-14
JPH0528926Y2 JPH0528926Y2 (en) 1993-07-26

Family

ID=31165037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986201513U Expired - Lifetime JPH0528926Y2 (en) 1986-12-26 1986-12-26

Country Status (1)

Country Link
JP (1) JPH0528926Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02139474U (en) * 1988-12-29 1990-11-21

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124867A (en) * 1982-01-19 1983-07-25 Nippon Telegr & Teleph Corp <Ntt> Magnetic fluid seal
JPS59103551U (en) * 1982-12-27 1984-07-12 富士通株式会社 bearing mechanism
JPS59164994U (en) * 1983-04-19 1984-11-05 トキコ株式会社 magnetic disk device
JPS61477U (en) * 1984-06-01 1986-01-06 日本電気精器株式会社 Spindle motor for magnetic disk
JPS61108083U (en) * 1984-12-19 1986-07-09

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133282A (en) * 1981-02-05 1982-08-17 Sumitomo Chemical Co Dyeing of polyester-cellulose blended fiber material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124867A (en) * 1982-01-19 1983-07-25 Nippon Telegr & Teleph Corp <Ntt> Magnetic fluid seal
JPS59103551U (en) * 1982-12-27 1984-07-12 富士通株式会社 bearing mechanism
JPS59164994U (en) * 1983-04-19 1984-11-05 トキコ株式会社 magnetic disk device
JPS61477U (en) * 1984-06-01 1986-01-06 日本電気精器株式会社 Spindle motor for magnetic disk
JPS61108083U (en) * 1984-12-19 1986-07-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02139474U (en) * 1988-12-29 1990-11-21

Also Published As

Publication number Publication date
JPH0528926Y2 (en) 1993-07-26

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