JPH01169671U - - Google Patents
Info
- Publication number
- JPH01169671U JPH01169671U JP6660188U JP6660188U JPH01169671U JP H01169671 U JPH01169671 U JP H01169671U JP 6660188 U JP6660188 U JP 6660188U JP 6660188 U JP6660188 U JP 6660188U JP H01169671 U JPH01169671 U JP H01169671U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- hole
- magnetic force
- force source
- 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.)
- Pending
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は、本考案による磁性流体シール装置の
第１実施例の縦断面図、第２図は本考案による磁
性シール装置の第１実施例の縦断面図、第３図は
本考案による磁性流体シール装置の第２実施例の
縦断面図、第４図は本考案による磁性流体シール
装置の第３実施例の縦断面図、第５図は従来技術
による磁性流体シール装置の縦断面図である。
符号の説明、１…磁性流体シール装置、２…シ
ヤフト、３…穴、４…孔、５…ねじ、６…ハウジ
ング、７，８…フランジ部、９，１０…ベアリン
グ、１１…内輪、１２…外輪、１３…ころ、１４
…スペーサ。
FIG. 1 is a longitudinal sectional view of a first embodiment of a magnetic fluid seal device according to the present invention, FIG. 2 is a longitudinal sectional view of a first embodiment of a magnetic fluid seal device according to the present invention, and FIG. FIG. 4 is a vertical cross-sectional view of a second embodiment of the fluid seal device, FIG. 4 is a vertical cross-sectional view of a third embodiment of the magnetic fluid seal device according to the present invention, and FIG. 5 is a vertical cross-sectional view of the magnetic fluid seal device according to the prior art. be. Explanation of symbols: 1...Magnetic fluid seal device, 2...Shaft, 3...Hole, 4...Hole, 5...Screw, 6...Housing, 7, 8...Flange portion, 9, 10...Bearing, 11...Inner ring, 12... Outer ring, 13...Roller, 14
…Spacer.
Claims (1)
ら軸中心に向つて設けられ前記穴と連通する孔部
を備えたシヤフトと、前記穴部にねじ込まれるね
じ部と、シヤフトの外周面に配置された磁力源と
、磁力源の両側面に配置されたポールピースとを
有し、前記孔部は、磁力源若しくはポールピース
の内周部に連通していることを特徴とする磁性流
体シール装置。 (2) 前記シヤフトは、複数の穴及び孔部を有す
ることを特徴とする実用新案登録請求の範囲第１
項に記載の磁性流体シール装置。 (3) 前記磁力源及びポールピースは複数個配置
されていることを特徴とする実用新案登録請求の
範囲第１項又は第２項に記載の磁性流体シール装
置。[Claims for Utility Model Registration] (1) A shaft having a hole threaded in the axial direction and a hole provided from the outer peripheral surface toward the shaft center and communicating with the hole, and a shaft screwed into the hole. The shaft has a threaded portion, a magnetic force source disposed on the outer circumferential surface of the shaft, and a pole piece disposed on both sides of the magnetic force source, and the hole communicates with the magnetic force source or the inner circumferential portion of the pole piece. A magnetic fluid seal device characterized by: (2) Utility model registration claim 1, characterized in that the shaft has a plurality of holes and hole portions.
The magnetic fluid seal device described in Section 1. (3) The magnetic fluid sealing device according to claim 1 or 2, wherein a plurality of the magnetic force sources and pole pieces are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6660188U JPH01169671U (en) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6660188U JPH01169671U (en) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01169671U true JPH01169671U (en) | 1989-11-30 |
Family
ID=31292000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6660188U Pending JPH01169671U (en) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01169671U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5958271A (en) * | 1982-04-28 | 1984-04-03 | Hitachi Ltd | Method for supplying magnetic fluid for magnetic fluid seal |
| JPS6227221B2 (en) * | 1980-06-23 | 1987-06-12 | Nippon Light Metal Co |
-
1988
- 1988-05-20 JP JP6660188U patent/JPH01169671U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6227221B2 (en) * | 1980-06-23 | 1987-06-12 | Nippon Light Metal Co | |
| JPS5958271A (en) * | 1982-04-28 | 1984-04-03 | Hitachi Ltd | Method for supplying magnetic fluid for magnetic fluid seal |