JPH0488020U - - Google Patents
Info
- Publication number
- JPH0488020U JPH0488020U JP1990400490U JP40049090U JPH0488020U JP H0488020 U JPH0488020 U JP H0488020U JP 1990400490 U JP1990400490 U JP 1990400490U JP 40049090 U JP40049090 U JP 40049090U JP H0488020 U JPH0488020 U JP H0488020U
- Authority
- JP
- Japan
- Prior art keywords
- radial bearing
- housing
- bearing surface
- rotor
- stator
- 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
- Coils Of Transformers For General Uses (AREA)
Description
第１図は本考案の第１の実施例を示す縦断面図
、第２図はスラスト軸受端面に形成された動圧発
生用溝の平面図、第３図及び第４図は本考案の他
の実施例を示す縦断面図、第５図はスリーブの上
端面の平面図である。
１は軸、２，３０はスリーブ（ハウジング）、
３はハブ、４は基台（ハウジング）、５はラジア
ル軸受面、６はラジアル受面、７，２０，３１０
は動圧発生用溝、１５はロータ、１６はステータ
。
FIG. 1 is a longitudinal cross-sectional view showing a first embodiment of the present invention, FIG. 2 is a plan view of a dynamic pressure generating groove formed on the end face of a thrust bearing, and FIGS. 3 and 4 are other embodiments of the present invention. FIG. 5 is a plan view of the upper end surface of the sleeve. 1 is the shaft, 2 and 30 are the sleeves (housing),
3 is a hub, 4 is a base (housing), 5 is a radial bearing surface, 6 is a radial bearing surface, 7, 20, 310
15 is a rotor, and 16 is a stator.
Claims (1)
は円筒状のラジアル軸受面を設け、前記ハウジン
グの外径面に嵌合するハブの内径面にはラジアル
軸受面に対向するラジアル受面を設け、前記ラジ
アル軸受面とラジアル受面との少なくとも一方に
動圧発生用の溝を形成し、かつ、前記ハウジング
の円筒状孔内に配設したロータをハブに直接又は
間接に取付け、前記ロータに対向して配設したス
テータをハウジングに取付けたことを特徴とする
軸受装置。 A cylindrical radial bearing surface is provided on the outer diameter surface of the housing having a cylindrical hole at its axis, and a radial bearing surface opposite to the radial bearing surface is provided on the inner diameter surface of the hub that fits into the outer diameter surface of the housing. a rotor is provided, a groove for generating dynamic pressure is formed in at least one of the radial bearing surface and the radial bearing surface, and a rotor disposed in the cylindrical hole of the housing is directly or indirectly attached to the hub, and the rotor A bearing device characterized in that a stator is attached to a housing so as to face the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990400490U JPH0488020U (en) | 1990-12-13 | 1990-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990400490U JPH0488020U (en) | 1990-12-13 | 1990-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0488020U true JPH0488020U (en) | 1992-07-30 |
Family
ID=31733432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990400490U Pending JPH0488020U (en) | 1990-12-13 | 1990-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0488020U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS559536B2 (en) * | 1974-01-14 | 1980-03-11 |
-
1990
- 1990-12-13 JP JP1990400490U patent/JPH0488020U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS559536B2 (en) * | 1974-01-14 | 1980-03-11 |
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