JPH0398376U - - Google Patents
Info
- Publication number
- JPH0398376U JPH0398376U JP765390U JP765390U JPH0398376U JP H0398376 U JPH0398376 U JP H0398376U JP 765390 U JP765390 U JP 765390U JP 765390 U JP765390 U JP 765390U JP H0398376 U JPH0398376 U JP H0398376U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rotary shaft
- sealing liquid
- sealing
- axis formed
- 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)
Description
第１図はこの考案の実施例を示す断面図、第２
図は要部拡大断面図、第３図は従来例を示す断面
図である。
１０……回転軸、２４……軸線に直角な面、１
２……ハウジング、１４ａ，１６ａ……給気ノズ
ル、１８……排気孔、２６……壁面、２７……環
状周壁、３２……配線穴、２８……電磁石、３０
……シール液。
Figure 1 is a sectional view showing an embodiment of this invention, Figure 2 is a sectional view showing an embodiment of this invention.
The figure is an enlarged sectional view of a main part, and FIG. 3 is a sectional view showing a conventional example. 10...rotation axis, 24...plane perpendicular to the axis, 1
2... Housing, 14a, 16a... Air supply nozzle, 18... Exhaust hole, 26... Wall surface, 27... Annular peripheral wall, 32... Wiring hole, 28... Electromagnet, 30
...Seal liquid.
Claims (1)
を非接触に支持する流体軸受のシール装置であつ
て、回転軸に形成した軸線に直角な面と、これと
向かい合うハウジングの壁面との間にシール液を
介在させて電磁石で保持し、上記ハウジングの壁
面が外径側にて環状周壁と連なつており、前記シ
ール液の粘度を回転軸の回転数に応じて変化させ
るようにした流体軸受シール装置。 (2) 前記シール液が磁性流体である請求項１の
流体軸受シール装置。[Claims for Utility Model Registration] (1) A sealing device for a fluid bearing that non-contact supports a rotary shaft rotatably housed in a housing, which comprises a surface perpendicular to the axis formed on the rotary shaft, and a surface perpendicular to the axis formed on the rotary shaft; A sealing liquid is interposed between the opposing wall surfaces of the housing and held by an electromagnet, and the wall surface of the housing is connected to the annular peripheral wall on the outer diameter side, and the viscosity of the sealing liquid is adjusted according to the rotation speed of the rotating shaft. A hydrodynamic bearing seal device that changes the (2) The hydrodynamic bearing sealing device according to claim 1, wherein the sealing liquid is a magnetic fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP765390U JPH0398376U (en) | 1990-01-29 | 1990-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP765390U JPH0398376U (en) | 1990-01-29 | 1990-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0398376U true JPH0398376U (en) | 1991-10-11 |
Family
ID=31511308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP765390U Pending JPH0398376U (en) | 1990-01-29 | 1990-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0398376U (en) |
-
1990
- 1990-01-29 JP JP765390U patent/JPH0398376U/ja active Pending
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