JPS63103062U - - Google Patents
Info
- Publication number
- JPS63103062U JPS63103062U JP19746886U JP19746886U JPS63103062U JP S63103062 U JPS63103062 U JP S63103062U JP 19746886 U JP19746886 U JP 19746886U JP 19746886 U JP19746886 U JP 19746886U JP S63103062 U JPS63103062 U JP S63103062U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- ring
- inner diameter
- mouthpiece
- magnetic fluid
- 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.)
- Granted
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1446—Reducing contamination, e.g. by dust, debris
- G11B33/1473—Reducing contamination, e.g. by dust, debris of/from bearings
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986197468U JPH0629566Y2 (ja) | 1986-12-24 | 1986-12-24 | 多段型磁性流体シール装置 |
| DE19873790869 DE3790869T (US07494231-20090224-C00006.png) | 1986-12-24 | 1987-01-27 | |
| PCT/JP1987/000055 WO1988005142A1 (en) | 1986-12-24 | 1987-01-27 | Magnetic fluid sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986197468U JPH0629566Y2 (ja) | 1986-12-24 | 1986-12-24 | 多段型磁性流体シール装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103062U true JPS63103062U (US07494231-20090224-C00006.png) | 1988-07-04 |
| JPH0629566Y2 JPH0629566Y2 (ja) | 1994-08-10 |
Family
ID=16374992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986197468U Expired - Lifetime JPH0629566Y2 (ja) | 1986-12-24 | 1986-12-24 | 多段型磁性流体シール装置 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0629566Y2 (US07494231-20090224-C00006.png) |
| DE (1) | DE3790869T (US07494231-20090224-C00006.png) |
| WO (1) | WO1988005142A1 (US07494231-20090224-C00006.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762224A (zh) * | 2019-11-25 | 2020-02-07 | 广西科技大学 | 一种发散型对开齿阶梯式磁流体旋转密封装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972218B (zh) * | 2016-05-25 | 2018-06-08 | 广西科技大学 | 一种端面式磁性流体密封装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131474A (ja) * | 1982-01-29 | 1983-08-05 | Tohoku Metal Ind Ltd | 密封装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5865373A (ja) * | 1981-10-14 | 1983-04-19 | Kiichi Taga | 磁性粒子を混ぜた粘性流体による軸シ−ルパツキング方式 |
| US4527805A (en) * | 1984-05-03 | 1985-07-09 | Ferrofluidics Corporation | High-pressure ferrofluid seal apparatus |
-
1986
- 1986-12-24 JP JP1986197468U patent/JPH0629566Y2/ja not_active Expired - Lifetime
-
1987
- 1987-01-27 DE DE19873790869 patent/DE3790869T/de not_active Withdrawn
- 1987-01-27 WO PCT/JP1987/000055 patent/WO1988005142A1/ja active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58131474A (ja) * | 1982-01-29 | 1983-08-05 | Tohoku Metal Ind Ltd | 密封装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762224A (zh) * | 2019-11-25 | 2020-02-07 | 广西科技大学 | 一种发散型对开齿阶梯式磁流体旋转密封装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3790869T (US07494231-20090224-C00006.png) | 1988-11-17 |
| WO1988005142A1 (en) | 1988-07-14 |
| JPH0629566Y2 (ja) | 1994-08-10 |
