JPH0448337Y2 - - Google Patents
Info
- Publication number
- JPH0448337Y2 JPH0448337Y2 JP1986093149U JP9314986U JPH0448337Y2 JP H0448337 Y2 JPH0448337 Y2 JP H0448337Y2 JP 1986093149 U JP1986093149 U JP 1986093149U JP 9314986 U JP9314986 U JP 9314986U JP H0448337 Y2 JPH0448337 Y2 JP H0448337Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- ring
- magnetic fluid
- seal
- bearing
- 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.)
- Expired
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 68
- 230000005291 magnetic effect Effects 0.000 claims description 61
- 239000004519 grease Substances 0.000 claims description 23
- 230000004907 flux Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 18
- 230000001050 lubricating effect Effects 0.000 claims description 16
- 230000003749 cleanliness Effects 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000341 volatile oil 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986093149U JPH0448337Y2 (US07709020-20100504-C00041.png) | 1986-06-17 | 1986-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986093149U JPH0448337Y2 (US07709020-20100504-C00041.png) | 1986-06-17 | 1986-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62204027U JPS62204027U (US07709020-20100504-C00041.png) | 1987-12-26 |
| JPH0448337Y2 true JPH0448337Y2 (US07709020-20100504-C00041.png) | 1992-11-13 |
Family
ID=30955478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986093149U Expired JPH0448337Y2 (US07709020-20100504-C00041.png) | 1986-06-17 | 1986-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448337Y2 (US07709020-20100504-C00041.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0519610Y2 (US07709020-20100504-C00041.png) * | 1987-06-18 | 1993-05-24 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59123756U (ja) * | 1983-02-08 | 1984-08-20 | 日立プラント建設株式会社 | 流路しや断装置 |
-
1986
- 1986-06-17 JP JP1986093149U patent/JPH0448337Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62204027U (US07709020-20100504-C00041.png) | 1987-12-26 |
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