JPS64723U - - Google Patents
Info
- Publication number
- JPS64723U JPS64723U JP9451587U JP9451587U JPS64723U JP S64723 U JPS64723 U JP S64723U JP 9451587 U JP9451587 U JP 9451587U JP 9451587 U JP9451587 U JP 9451587U JP S64723 U JPS64723 U JP S64723U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- magnet
- fixed
- ring
- outer ring
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 claims 3
- 239000011553 magnetic fluid 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図は本考案の一実施例を示す断面図、第２
図と第３図と第４図と第５図と第６図と第７図は
夫々別の実施例の要部断面図である。第８図は従
来例の断面図である。
２…内輪、４…外輪、５…磁石、６…外周面、
７…内周面、８…集束部、９…着磁部、１０，１
７…凹周溝。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3, 4, 5, 6, and 7 are sectional views of main parts of different embodiments, respectively. FIG. 8 is a sectional view of a conventional example. 2...Inner ring, 4...Outer ring, 5...Magnet, 6...Outer peripheral surface,
7...Inner peripheral surface, 8...Focusing part, 9...Magnetized part, 10, 1
7... Concave circumferential groove.
Claims (1)
Ｓ極からなる着磁部９を有する円環状の磁石５を
、外嵌状に固着し、さらに、該磁石５の外周面６
及び／又は外輪４の内周面７に凹周溝１７，１０
を形成して、該磁石５の外周面６と該外輪４の内
周面７との間に、磁性流体Ａが集束保持される集
束部８を形成したことを特徴とするベアリング。 The inner ring 2 has at least one pair of N poles on the outer peripheral surface 6.
An annular magnet 5 having a magnetized portion 9 consisting of an S pole is fixed in an externally fitted manner, and an outer circumferential surface 6 of the magnet 5 is fixed.
and/or concave circumferential grooves 17, 10 on the inner circumferential surface 7 of the outer ring 4;
A bearing characterized in that a focusing portion 8 in which the magnetic fluid A is focused and held is formed between the outer circumferential surface 6 of the magnet 5 and the inner circumferential surface 7 of the outer ring 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9451587U JPS64723U (en) | 1987-06-18 | 1987-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9451587U JPS64723U (en) | 1987-06-18 | 1987-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS64723U true JPS64723U (en) | 1989-01-05 |
Family
ID=30958065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9451587U Pending JPS64723U (en) | 1987-06-18 | 1987-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS64723U (en) |
-
1987
- 1987-06-18 JP JP9451587U patent/JPS64723U/ja active Pending