JPH01149066U - - Google Patents
Info
- Publication number
- JPH01149066U JPH01149066U JP4577388U JP4577388U JPH01149066U JP H01149066 U JPH01149066 U JP H01149066U JP 4577388 U JP4577388 U JP 4577388U JP 4577388 U JP4577388 U JP 4577388U JP H01149066 U JPH01149066 U JP H01149066U
- Authority
- JP
- Japan
- Prior art keywords
- bearing ring
- bearing
- magnetic fluid
- fixed
- sealing
- 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
- 238000007789 sealing Methods 0.000 claims 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案の第１実施例に係る磁性流体シ
ール装置の要部縦断面図、第２図は本考案の第２
実施例の要部縦断面図、第３図は第２図の装置の
変形例を示す要部縦断面図、第４図イは治具の要
部縦断面図、第４図ロは第２図の装置の同軸度調
整状態を示す要部縦断面図、第５図は本考案の第
３実施例の要部縦断面図、第６図は本考案の第４
実施例の要部縦断面図、第７図は本考案の第５実
施例の要部縦断面図、第８図は本考案の第６実施
例の要部縦断面図、第９図は第８図の装置の変形
例を示す要部縦断面図、第１０図イおよびロは第
９図の磁力源の他の態様を示す要部縦断面図、第
１１図は本考案の第７実施例の要部縦断面図、第
１２図および第１３図は従来の磁性流体シール装
置の要部縦断面図である。
符号の説明、１……ベアリング、２……内輪、
３……外輪、４……転動体、６……装置本体、７
……磁力源、８，９……ヨーク、１１……ハウジ
ング、１２……治具、１７……磁力源、Ｈ……磁
気回路、Ｆ……磁性流体。
FIG. 1 is a vertical cross-sectional view of the main part of a magnetic fluid seal device according to a first embodiment of the present invention, and FIG.
FIG. 3 is a longitudinal sectional view of the main part of the embodiment, FIG. 3 is a longitudinal sectional view of the main part showing a modification of the device shown in FIG. 2, FIG. Fig. 5 is a vertical cross-sectional view of the main part of the third embodiment of the present invention, and Fig. 6 is a longitudinal cross-sectional view of the main part of the third embodiment of the present invention.
FIG. 7 is a vertical sectional view of essential parts of the fifth embodiment of the present invention, FIG. 8 is a longitudinal sectional view of essential parts of the sixth embodiment of the present invention, and FIG. 9 is a longitudinal sectional view of essential parts of the sixth embodiment of the present invention. FIG. 8 is a vertical cross-sectional view of a main part showing a modification of the device shown in FIG. 10, FIGS. FIGS. 12 and 13 are vertical sectional views of essential parts of a conventional magnetic fluid seal device. Explanation of symbols, 1...Bearing, 2...Inner ring,
3...Outer ring, 4...Rolling element, 6...Device main body, 7
...magnetic force source, 8,9...yoke, 11...housing, 12...jig, 17...magnetic force source, H...magnetic circuit, F...magnetic fluid.
Claims (1)
一対の軌道輪の間に介在させ、上記装置本体を一
方の軌道輪に固定し、かつ他方の軌道輪との間に
形成される微小間隙に磁性流体を磁気吸着してベ
アリングのシールをする磁性流体シール装置にお
いて、 前記装置本体を前記一方の軌道輪の軸方向端面
に固定してなることを特徴とする磁性流体シール
装置。[Claims for Utility Model Registration] An annular device body provided with a magnetic force source is interposed between a pair of bearing rings, the device body is fixed to one bearing ring, and the device body is fixed to one bearing ring, and is interposed between the bearing ring and the other bearing ring. A magnetic fluid sealing device for sealing a bearing by magnetically adsorbing a magnetic fluid in a minute gap formed in the magnetic fluid, wherein the device main body is fixed to an axial end surface of the one bearing ring. sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4577388U JPH01149066U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4577388U JPH01149066U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149066U true JPH01149066U (en) | 1989-10-16 |
Family
ID=31272070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4577388U Pending JPH01149066U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149066U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231889A (en) * | 2010-04-28 | 2011-11-17 | Globeride Inc | Bearing with magnetic fluid seal |
| JP2013000110A (en) * | 2011-06-22 | 2013-01-07 | Globeride Inc | Fishing reel |
| JP2013172658A (en) * | 2012-02-23 | 2013-09-05 | Globeride Inc | Spinning reel for fishing and line roller unit therefor |
| JP2014155499A (en) * | 2014-04-25 | 2014-08-28 | Globeride Inc | Fishing reel |
-
1988
- 1988-04-05 JP JP4577388U patent/JPH01149066U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231889A (en) * | 2010-04-28 | 2011-11-17 | Globeride Inc | Bearing with magnetic fluid seal |
| JP2013000110A (en) * | 2011-06-22 | 2013-01-07 | Globeride Inc | Fishing reel |
| JP2013172658A (en) * | 2012-02-23 | 2013-09-05 | Globeride Inc | Spinning reel for fishing and line roller unit therefor |
| JP2014155499A (en) * | 2014-04-25 | 2014-08-28 | Globeride Inc | Fishing reel |