JPH0341273U - - Google Patents
Info
- Publication number
- JPH0341273U JPH0341273U JP10194989U JP10194989U JPH0341273U JP H0341273 U JPH0341273 U JP H0341273U JP 10194989 U JP10194989 U JP 10194989U JP 10194989 U JP10194989 U JP 10194989U JP H0341273 U JPH0341273 U JP H0341273U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic fluid
- permanent magnet
- pole piece
- magnetic force
- 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 6
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図ないし第７図はそれぞれ本考案の実施例
に係る磁性流体シール装置の要部断面図、第８図
は従来例に係る要部断面図である。
１……ハウジング、２……軸孔、３……永久磁
石、４，５……磁極片、６……回転軸、７……間
〓、８……磁性流体、９……遮蔽体、１０……凹
部、１１……環状溝、１２……スパイラル溝、１
３……注入孔、１４……デイスペンサー。
1 to 7 are sectional views of main parts of a magnetic fluid seal device according to embodiments of the present invention, and FIG. 8 is a sectional view of main parts of a conventional example. DESCRIPTION OF SYMBOLS 1... Housing, 2... Shaft hole, 3... Permanent magnet, 4, 5... Magnetic pole piece, 6... Rotating shaft, 7... Interval, 8... Magnetic fluid, 9... Shielding body, 10 ... recess, 11 ... annular groove, 12 ... spiral groove, 1
3...Injection hole, 14...Dispenser.
Claims (1)
部に設けた磁極片４と回転軸６などの相手部材の
間に形成される間〓７に磁力によつて磁性流体８
を介在させてなる磁性流体シール装置において、
前記永久磁石３または磁極片４の端部に磁性流体
８の蒸発を抑える遮蔽体９を設けたことを特徴と
する磁性流体シール装置。 A magnetic fluid 8 is generated by magnetic force between a magnetic force source such as a permanent magnet 3 or between a magnetic pole piece 4 provided at the end of the magnetic force source and a mating member such as a rotating shaft 6.
In a magnetic fluid seal device comprising:
A magnetic fluid sealing device characterized in that a shield 9 for suppressing evaporation of the magnetic fluid 8 is provided at the end of the permanent magnet 3 or the magnetic pole piece 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101949U JP2509017Y2 (en) | 1989-08-31 | 1989-08-31 | Magnetic fluid seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101949U JP2509017Y2 (en) | 1989-08-31 | 1989-08-31 | Magnetic fluid seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0341273U true JPH0341273U (en) | 1991-04-19 |
| JP2509017Y2 JP2509017Y2 (en) | 1996-08-28 |
Family
ID=31650871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989101949U Expired - Fee Related JP2509017Y2 (en) | 1989-08-31 | 1989-08-31 | Magnetic fluid seal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2509017Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6294516A (en) * | 1985-10-17 | 1987-05-01 | 山田機械工業株式会社 | Bundling device |
| JPH01229116A (en) * | 1988-03-04 | 1989-09-12 | Koyo Seiko Co Ltd | Magnetic fluid seal unit and bearing device |
-
1989
- 1989-08-31 JP JP1989101949U patent/JP2509017Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6294516A (en) * | 1985-10-17 | 1987-05-01 | 山田機械工業株式会社 | Bundling device |
| JPH01229116A (en) * | 1988-03-04 | 1989-09-12 | Koyo Seiko Co Ltd | Magnetic fluid seal unit and bearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2509017Y2 (en) | 1996-08-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |