JPS6369858U - - Google Patents
Info
- Publication number
- JPS6369858U JPS6369858U JP16478486U JP16478486U JPS6369858U JP S6369858 U JPS6369858 U JP S6369858U JP 16478486 U JP16478486 U JP 16478486U JP 16478486 U JP16478486 U JP 16478486U JP S6369858 U JPS6369858 U JP S6369858U
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- magnet
- rotating shaft
- magnetic fluid
- inner diameter
- 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 5
- 239000000463 material Substances 0.000 claims description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 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)
Description
第１図は本考案に係る磁性流体シールの実施第
１例を示す断面図、第２図はその部分拡大断面図
、第３図は保油材６としてウレタンフオーム６ｂ
を使用した実施第２例の部分拡大断面図、第４図
は実施第３例を示す断面図、第５図は実施第４例
を示す断面図である。 図中主要符号、１……回転軸、２……軸受、３
……磁石、４……ポールピース、５……磁性流体
、６……保油材。
１例を示す断面図、第２図はその部分拡大断面図
、第３図は保油材６としてウレタンフオーム６ｂ
を使用した実施第２例の部分拡大断面図、第４図
は実施第３例を示す断面図、第５図は実施第４例
を示す断面図である。 図中主要符号、１……回転軸、２……軸受、３
……磁石、４……ポールピース、５……磁性流体
、６……保油材。
Claims (1)
- 回転軸１と相対するポールピース４若しくはポ
ールピース４、磁石３、ポールピース４等との内
径面との間隙ｇに磁性流体５が注入される磁性流
体シールにおいて、回転軸１と相対するポールピ
ース４の内径面若しくは磁石３を含む内径面に短
繊維６ａやウレタンフオーム６ｂ等の保油材６を
回転軸１と接しない状態で施したことを特徴とす
る磁性流体シール。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478486U JPS6369858U (ja) | 1986-10-27 | 1986-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16478486U JPS6369858U (ja) | 1986-10-27 | 1986-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6369858U true JPS6369858U (ja) | 1988-05-11 |
Family
ID=31094221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16478486U Pending JPS6369858U (ja) | 1986-10-27 | 1986-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6369858U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235454B2 (ja) * | 1974-01-30 | 1977-09-09 |
-
1986
- 1986-10-27 JP JP16478486U patent/JPS6369858U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235454B2 (ja) * | 1974-01-30 | 1977-09-09 |