JPH0372159U - - Google Patents
Info
- Publication number
- JPH0372159U JPH0372159U JP13389389U JP13389389U JPH0372159U JP H0372159 U JPH0372159 U JP H0372159U JP 13389389 U JP13389389 U JP 13389389U JP 13389389 U JP13389389 U JP 13389389U JP H0372159 U JPH0372159 U JP H0372159U
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- magnetic fluid
- magnetic
- circumferential surface
- 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 19
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 7
- 239000000696 magnetic material Substances 0.000 claims 6
- 230000004907 flux Effects 0.000 claims 4
- 230000035699 permeability Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13389389U JPH0372159U (ko) | 1989-11-20 | 1989-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13389389U JPH0372159U (ko) | 1989-11-20 | 1989-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0372159U true JPH0372159U (ko) | 1991-07-22 |
Family
ID=31681279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13389389U Pending JPH0372159U (ko) | 1989-11-20 | 1989-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0372159U (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015152096A (ja) * | 2014-02-14 | 2015-08-24 | ミネベア株式会社 | ピボットアッシー用軸受装置およびこれを用いた磁気ヘッド駆動装置 |
-
1989
- 1989-11-20 JP JP13389389U patent/JPH0372159U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015152096A (ja) * | 2014-02-14 | 2015-08-24 | ミネベア株式会社 | ピボットアッシー用軸受装置およびこれを用いた磁気ヘッド駆動装置 |