JPS59103964U - magnetic seal - Google Patents
magnetic sealInfo
- Publication number
- JPS59103964U JPS59103964U JP19960482U JP19960482U JPS59103964U JP S59103964 U JPS59103964 U JP S59103964U JP 19960482 U JP19960482 U JP 19960482U JP 19960482 U JP19960482 U JP 19960482U JP S59103964 U JPS59103964 U JP S59103964U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic seal
- rotating shaft
- disk
- housing
- 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
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は磁気ディスク装置のスピンドル部に従来のラビ
リンスを使用した場合の説明図、第2図は従来の磁性シ
ールを磁気ディスク装置のスピンドル部に使用した場合
の説明図、第3図は第2図の要部拡大図、−第4図は本
考案に係る磁性シールを取付けた時の概略説明図、第5
図は第4図の要部拡大図を示す。
11・・・回転軸、12・・・軸受、13・・・ハウジ
ング、14−・・磁性シール、15a、 15b−・
・円板、16a。
16b・・・中心孔、17・・・磁石、18・・・凹溝
、P・・・磁性膜。Figure 1 is an explanatory diagram of the case where a conventional labyrinth is used in the spindle of a magnetic disk drive, Figure 2 is an explanatory diagram of the case where a conventional magnetic seal is used in the spindle of a magnetic disk drive, and Figure 3 is an explanatory diagram of the case where a conventional labyrinth is used in the spindle of a magnetic disk drive. Figure 2 is an enlarged view of the main parts, Figure 4 is a schematic explanatory diagram when the magnetic seal according to the present invention is installed, Figure 5 is an enlarged view of the main part,
The figure shows an enlarged view of the main part of FIG. 4. DESCRIPTION OF SYMBOLS 11... Rotating shaft, 12... Bearing, 13... Housing, 14-... Magnetic seal, 15a, 15b-...
- Disc, 16a. 16b...center hole, 17...magnet, 18...concave groove, P...magnetic film.
Claims (1)
るシール機構において、中心孔を有し磁石を介して互い
に円板を対向して連結させ、これを上記回転軸に取付け
ると共に、上記円板表面に同心状の凹溝を穿設し、該凹
溝に磁性流体を充填し、上記円板を回転させることによ
りハウジングと磁性円板外周面との間隙に磁性膜を形成
させるようにしたことを特徴とする磁性シール。In a sealing mechanism that seals between a rotating shaft and a housing holding its bearing, disks having a center hole are connected to each other facing each other via magnets, and these are attached to the rotating shaft, and the circular disks are connected to each other via magnets. Concentric grooves are bored on the surface of the plate, the grooves are filled with magnetic fluid, and the disk is rotated to form a magnetic film in the gap between the housing and the outer peripheral surface of the magnetic disk. A magnetic seal characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19960482U JPS59103964U (en) | 1982-12-28 | 1982-12-28 | magnetic seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19960482U JPS59103964U (en) | 1982-12-28 | 1982-12-28 | magnetic seal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59103964U true JPS59103964U (en) | 1984-07-12 |
Family
ID=30425129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19960482U Pending JPS59103964U (en) | 1982-12-28 | 1982-12-28 | magnetic seal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59103964U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0296981A (en) * | 1988-10-03 | 1990-04-09 | Nec Ibaraki Ltd | Spindle motor |
-
1982
- 1982-12-28 JP JP19960482U patent/JPS59103964U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0296981A (en) * | 1988-10-03 | 1990-04-09 | Nec Ibaraki Ltd | Spindle motor |
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