JPH0341272U - - Google Patents
Info
- Publication number
- JPH0341272U JPH0341272U JP10194889U JP10194889U JPH0341272U JP H0341272 U JPH0341272 U JP H0341272U JP 10194889 U JP10194889 U JP 10194889U JP 10194889 U JP10194889 U JP 10194889U JP H0341272 U JPH0341272 U JP H0341272U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic fluid
- mating member
- pole piece
- gap
- 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 6
- 230000013011 mating Effects 0.000 claims 3
- 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
- 238000007789 sealing Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
Description
第１図は本考案の実施例に係る磁性流体シール
装置の要部断面図、第２図は従来例に係る要部断
面図である。
１……ベアリング、２……外輪、３……取付ス
リーブ、４……永久磁石、５，６……磁極片、７
……内輪、７ａ……内周面、７ｂ……外周面、８
……間〓、９……磁性流体、１０……デイスペン
サー、１１……孔。
FIG. 1 is a sectional view of a main part of a magnetic fluid seal device according to an embodiment of the present invention, and FIG. 2 is a sectional view of a main part of a conventional example. 1... Bearing, 2... Outer ring, 3... Mounting sleeve, 4... Permanent magnet, 5, 6... Magnetic pole piece, 7
...Inner ring, 7a...Inner peripheral surface, 7b...Outer peripheral surface, 8
...between, 9...magnetic fluid, 10...dispenser, 11...hole.
Claims (1)
５をベアリング１の内輪７など筒状を呈する相手
部材に近接させ、前記磁極片５と相手部材の間に
形成される間〓８に磁力によつて磁性流体９を介
在させてなる磁性流体シール装置において、前記
相手部材の内周面７ａから外周面７ｂにかけて前
記間〓８に磁性流体９を注入する孔１１を設けた
ことを特徴とする磁性流体シール装置。 A magnetic pole piece 5 provided at the end of a magnetic force source such as a permanent magnet 4 is brought close to a cylindrical mating member such as the inner ring 7 of the bearing 1, and a gap between the magnetic pole piece 5 and the mating member is formed between 〓8. A magnetic fluid sealing device in which a magnetic fluid 9 is interposed by magnetic force is characterized in that a hole 11 for injecting the magnetic fluid 9 into the gap 8 is provided from the inner circumferential surface 7a to the outer circumferential surface 7b of the mating member. Magnetic fluid seal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10194889U JPH0341272U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10194889U JPH0341272U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341272U true JPH0341272U (en) | 1991-04-19 |
Family
ID=31650870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10194889U Pending JPH0341272U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341272U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855576A (en) * | 1981-09-25 | 1983-04-01 | Ube Ind Ltd | Purification of magnesium chloride melting apparatus |
| JPS6115207A (en) * | 1984-06-29 | 1986-01-23 | Shin Meiwa Ind Co Ltd | Method and device for control of robot |
-
1989
- 1989-08-31 JP JP10194889U patent/JPH0341272U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855576A (en) * | 1981-09-25 | 1983-04-01 | Ube Ind Ltd | Purification of magnesium chloride melting apparatus |
| JPS6115207A (en) * | 1984-06-29 | 1986-01-23 | Shin Meiwa Ind Co Ltd | Method and device for control of robot |