JPH0187330U - - Google Patents
Info
- Publication number
- JPH0187330U JPH0187330U JP18315387U JP18315387U JPH0187330U JP H0187330 U JPH0187330 U JP H0187330U JP 18315387 U JP18315387 U JP 18315387U JP 18315387 U JP18315387 U JP 18315387U JP H0187330 U JPH0187330 U JP H0187330U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic fluid
- cylindrical part
- base material
- circumferential surface
- pair
- 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
- 238000007789 sealing Methods 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method 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)
- Motor Or Generator Frames (AREA)
Description
第１図は本考案の一実施例を示す要部断面正面
図、第２図は環状体の一部破断斜視図、第３図は
環状体の嵌込方法を示す説明図、第４図は円筒部
の部分断面図、第５図は変形例を示す断面図、第
６図は他の実施例を示す要部断面正面図、第７図
は環状体の変形例を示す一部破断斜視図である。
第８図は従来例を示す断面正面図、第９図はその
部分拡大断面図である。
３……円筒部、６……環状磁石、７……ポール
ピース、８……軸部、９……間隙部、１０……磁
性流体、１２……内周面、１３……嵌合ベース材
、２７……外周面、２８……円筒部側間隙部。
Fig. 1 is a cross-sectional front view of the main part showing an embodiment of the present invention, Fig. 2 is a partially cutaway perspective view of the annular body, Fig. 3 is an explanatory diagram showing the method of fitting the annular body, and Fig. 4 is 5 is a sectional view showing a modified example; FIG. 6 is a sectional front view of a main part showing another embodiment; and FIG. 7 is a partially cutaway perspective view showing a modified example of the annular body. It is.
FIG. 8 is a sectional front view showing a conventional example, and FIG. 9 is a partially enlarged sectional view thereof. 3... Cylindrical part, 6... Annular magnet, 7... Pole piece, 8... Shaft part, 9... Gap part, 10... Magnetic fluid, 12... Inner peripheral surface, 13... Fitting base material , 27... outer peripheral surface, 28... cylindrical part side gap.
Claims (1)
装され、かつ、中間の環状磁石６とこれを挾着す
る一対のポールピース７，７、及び、上記軸部８
側間隙部９又は上記円筒部３側間隙部２８に充填
される磁性流体１０を備えた磁性流体シール装置
に於て、 上記円筒部３の内周面１２、又は、上記軸部８
の外周面２７に、嵌着するための嵌合ベース材１
３を備え、該嵌合ベース材１３を、非磁性弾性体
にて形成すると共に上記一対のポールピース７，
７に密着状に付設したことを特徴とする磁性流体
シール装置。[Claims for Utility Model Registration] A pair of pole pieces 7, 7 which are interposed between the relatively rotating shaft part 8 and the cylindrical part 3, and which clamp an intermediate annular magnet 6; , the shaft portion 8
In a magnetic fluid seal device including a magnetic fluid 10 filled in the side gap 9 or the side gap 28 of the cylindrical part 3, the inner circumferential surface 12 of the cylindrical part 3 or the shaft part 8
A fitting base material 1 for fitting onto the outer circumferential surface 27 of
3, the fitting base material 13 is formed of a non-magnetic elastic material, and the pair of pole pieces 7,
A magnetic fluid sealing device characterized in that it is closely attached to a magnetic fluid sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18315387U JPH0187330U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18315387U JPH0187330U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187330U true JPH0187330U (en) | 1989-06-09 |
Family
ID=31474585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18315387U Pending JPH0187330U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187330U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61270521A (en) * | 1985-05-24 | 1986-11-29 | Tohoku Metal Ind Ltd | Rolling bearing |
| JPS623579U (en) * | 1985-06-21 | 1987-01-10 | ||
| JPS6275178A (en) * | 1985-09-25 | 1987-04-07 | フエロフルイデイクス・コ−ポレイシヨン | Magnetic-fluid shaft sealing device |
| JPS62110080A (en) * | 1985-11-05 | 1987-05-21 | Nippon Seiko Kk | Sealing device |
-
1987
- 1987-11-30 JP JP18315387U patent/JPH0187330U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61270521A (en) * | 1985-05-24 | 1986-11-29 | Tohoku Metal Ind Ltd | Rolling bearing |
| JPS623579U (en) * | 1985-06-21 | 1987-01-10 | ||
| JPS6275178A (en) * | 1985-09-25 | 1987-04-07 | フエロフルイデイクス・コ−ポレイシヨン | Magnetic-fluid shaft sealing device |
| JPS62110080A (en) * | 1985-11-05 | 1987-05-21 | Nippon Seiko Kk | Sealing device |