JPH0191125U - - Google Patents
Info
- Publication number
- JPH0191125U JPH0191125U JP18641287U JP18641287U JPH0191125U JP H0191125 U JPH0191125 U JP H0191125U JP 18641287 U JP18641287 U JP 18641287U JP 18641287 U JP18641287 U JP 18641287U JP H0191125 U JPH0191125 U JP H0191125U
- Authority
- JP
- Japan
- Prior art keywords
- bearing ring
- bearing
- annular
- gap
- seal member
- 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 3
- 238000005096 rolling process Methods 0.000 claims 2
- 239000000314 lubricant Substances 0.000 claims 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図はこの考案の実施例の断面図、第２〜５
図は他の実施例の断面図、第６図は従来の磁気デ
イスク装置の断面図、第７図は同装置に使用され
ている磁性流体でシールした軸受の断面図である
。 ２１…軸受、２２…内輪、２３…外輪、２４…
ボール、Ｃ…シール部材。
図は他の実施例の断面図、第６図は従来の磁気デ
イスク装置の断面図、第７図は同装置に使用され
ている磁性流体でシールした軸受の断面図である
。 ２１…軸受、２２…内輪、２３…外輪、２４…
ボール、Ｃ…シール部材。
Claims (1)
- 転動体を介して相対回転する第１軌道輪および
第２軌道輪と、環状の磁石の端面に環状のポール
ピースを固着して形成し、かつ第１軌道輪との間
に隙間を設けて第２軌道輪に固定した環状のシー
ル部材と、前記隙間に前記環状の磁石の磁力で保
持した磁性流体とを有する軸受において、前記シ
ール部材と転動体との間に、環状の潤滑剤遮蔽部
材を、前記第１軌道輪または第２軌道輪に取り付
けることによつて、配設したことを特徴とする磁
性流体でシールした軸受。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18641287U JPH0191125U (ja) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18641287U JPH0191125U (ja) | 1987-12-09 | 1987-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191125U true JPH0191125U (ja) | 1989-06-15 |
Family
ID=31477640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18641287U Pending JPH0191125U (ja) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191125U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2952764A1 (en) | 2012-04-26 | 2015-12-09 | Globeride, Inc. | Bearing with magnetic fluid seal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63303271A (ja) * | 1987-05-30 | 1988-12-09 | Koyo Seiko Co Ltd | 密封装置 |
-
1987
- 1987-12-09 JP JP18641287U patent/JPH0191125U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63303271A (ja) * | 1987-05-30 | 1988-12-09 | Koyo Seiko Co Ltd | 密封装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2952764A1 (en) | 2012-04-26 | 2015-12-09 | Globeride, Inc. | Bearing with magnetic fluid seal |
| EP3009699A1 (en) | 2012-04-26 | 2016-04-20 | Globeride, Inc. | Bearing with magnetic fluid seal |
| EP3190301A1 (en) | 2012-04-26 | 2017-07-12 | Globeride, Inc. | Bearing with magnetic fluid seal |