JPH0341275U - - Google Patents
Info
- Publication number
- JPH0341275U JPH0341275U JP10195189U JP10195189U JPH0341275U JP H0341275 U JPH0341275 U JP H0341275U JP 10195189 U JP10195189 U JP 10195189U JP 10195189 U JP10195189 U JP 10195189U JP H0341275 U JPH0341275 U JP H0341275U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- attached
- end faces
- magnetic fluid
- 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.)
- Pending
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図および第３図はそれぞれ本考案の実施例
に係る磁性流体シール装置の半裁断面図、第２図
は第１図の要部拡大断面図、第４図は従来例に係
る半裁断面図である。
１……ハウジング、２……軸孔、３……回転軸
、４……ベアリング、５……永久磁石、６……磁
極片、７……環状鍔、８……磁束密度集中ゲート
、９……磁性流体、１０……凹凸、１１……カラ
ー、１２……スペーサ、Ｓ……取付スペーサ。
1 and 3 are half-cut sectional views of magnetic fluid sealing devices according to embodiments of the present invention, FIG. 2 is an enlarged sectional view of essential parts of FIG. 1, and FIG. 4 is a half-cut sectional view of a conventional example. It is. DESCRIPTION OF SYMBOLS 1... Housing, 2... Shaft hole, 3... Rotating shaft, 4... Bearing, 5... Permanent magnet, 6... Magnetic pole piece, 7... Annular collar, 8... Magnetic flux density concentration gate, 9... ...Magnetic fluid, 10...Irregularities, 11...Color, 12...Spacer, S...Mounting spacer.
Claims (1)
通された回転軸３の何れか一方に環状の永久磁石
５を取り付けるとともに他方に環状の磁極片６を
取り付け、前記永久磁石５の端面と前記磁極片６
の端面を軸方向に向かい合わせ、前記端面の一方
または双方に同心円状の凹凸１０を設けて径方向
に複数の磁束密度の集中ゲート８を設け、各ゲー
ト８に磁性流体９を介在させてなる磁性流体シー
ル装置。 An annular permanent magnet 5 is attached to one of the housing 1 and the rotating shaft 3 inserted through the shaft hole 2 of the housing 1, and an annular magnetic pole piece 6 is attached to the other. 6
end faces facing each other in the axial direction, concentric circular irregularities 10 are provided on one or both of the end faces, a plurality of gates 8 with concentrated magnetic flux density are provided in the radial direction, and a magnetic fluid 9 is interposed in each gate 8. Magnetic fluid seal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10195189U JPH0341275U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10195189U JPH0341275U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341275U true JPH0341275U (en) | 1991-04-19 |
Family
ID=31650873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10195189U Pending JPH0341275U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341275U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59147162A (en) * | 1983-02-09 | 1984-08-23 | Mitsubishi Electric Corp | Magnetic fluid seal device |
-
1989
- 1989-08-31 JP JP10195189U patent/JPH0341275U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59147162A (en) * | 1983-02-09 | 1984-08-23 | Mitsubishi Electric Corp | Magnetic fluid seal device |
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