JPH0250567U - - Google Patents
Info
- Publication number
- JPH0250567U JPH0250567U JP12998488U JP12998488U JPH0250567U JP H0250567 U JPH0250567 U JP H0250567U JP 12998488 U JP12998488 U JP 12998488U JP 12998488 U JP12998488 U JP 12998488U JP H0250567 U JPH0250567 U JP H0250567U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- sealing device
- fluid sealing
- inner periphery
- edge
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は、本考案の磁性流体シール装置の第１
実施例の縦断面図、第２図は本考案の磁性流体シ
ール装置の第２実施例の縦断面図、第３図は、本
考案の磁性流体シール装置の第３図実施例の縦断
面図、第４図は本考案の磁性流体シール装置の第
４実施例の縦断面図、第５図及び第６図は従来技
術の磁性流体シール装置の縦断面図である。
符号の説明、１……磁性流体シール装置、２…
…ハウジング、３……環状磁力源、４……環状ヨ
ーク、５……透磁性シヤフト、６……微小間隙、
７……磁性流体、８……エツジ部、９……微小間
隙。
FIG. 1 shows the first part of the magnetic fluid sealing device of the present invention.
FIG. 2 is a vertical cross-sectional view of the second embodiment of the magnetic fluid sealing device of the present invention; FIG. 3 is a vertical cross-sectional view of the third embodiment of the magnetic fluid sealing device of the present invention. , FIG. 4 is a longitudinal sectional view of a fourth embodiment of the magnetic fluid sealing device of the present invention, and FIGS. 5 and 6 are longitudinal sectional views of the prior art magnetic fluid sealing device. Explanation of symbols, 1... Magnetic fluid seal device, 2...
...housing, 3... annular magnetic force source, 4... annular yoke, 5... magnetically permeable shaft, 6... minute gap,
7...Magnetic fluid, 8...Edge portion, 9...Minute gap.
Claims (1)
トと対向するように取り付けられた環状ヨークと
を有する磁性流体シール装置において、環状ヨー
クと接しない外側面側内周部に先端が来るように
環状磁力源内周部にエツジを設け、エツジ先端と
透磁性シヤフト間の間隙を小さくしたことを特徴
とする磁性流体シール装置。 (2) 環状磁力源と、その片側面に透磁性シヤフ
トと対向するように取り付けられた環状ヨークと
を有する磁性流体シール装置において、環状ヨー
クと接しない外側面側内周部に先端が来るように
環状磁力源内周部にエツジを設け、該エツジに対
向する透磁性シヤフトの径を小さくしたことを特
徴とする磁性流体シール装置。[Claims for Utility Model Registration] (1) In a magnetic fluid sealing device that has an annular magnetic force source and an annular yoke attached to one side of the annular yoke so as to face a magnetically permeable shaft, the outer surface side that does not come into contact with the annular yoke A magnetic fluid sealing device characterized in that an edge is provided on the inner periphery of an annular magnetic force source so that the tip is located on the inner periphery, and the gap between the edge tip and a magnetically permeable shaft is reduced. (2) In a magnetic fluid sealing device having an annular magnetic force source and an annular yoke attached to one side of the annular yoke so as to face a magnetically permeable shaft, the tip is placed on the inner periphery of the outer side that does not contact the annular yoke. 1. A magnetic fluid sealing device characterized in that an edge is provided on the inner periphery of an annular magnetic source, and the diameter of a magnetically permeable shaft facing the edge is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12998488U JPH0250567U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12998488U JPH0250567U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250567U true JPH0250567U (en) | 1990-04-09 |
Family
ID=31384746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12998488U Pending JPH0250567U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250567U (en) |
-
1988
- 1988-10-05 JP JP12998488U patent/JPH0250567U/ja active Pending