JPH0456979U - - Google Patents
Info
- Publication number
- JPH0456979U JPH0456979U JP10047490U JP10047490U JPH0456979U JP H0456979 U JPH0456979 U JP H0456979U JP 10047490 U JP10047490 U JP 10047490U JP 10047490 U JP10047490 U JP 10047490U JP H0456979 U JPH0456979 U JP H0456979U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- ring
- fixing ring
- sealing
- 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
Landscapes
- Mechanical Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案に係るメカニカルシールの一実
施例を示す断面図、第２図は第１図の部拡大図
、第３図は従来のメカニカルシールの一例を示す
断面図、第４図はメカニカルシールの摺動面の説
明図である。
３１……固定リング、３２……シールケーシン
グ、３３……第１のシール金具、３４……第２の
シール金具、３５……軸受、３７……電磁コイル
、４１……磁性流体。
FIG. 1 is a sectional view showing an embodiment of the mechanical seal according to the present invention, FIG. 2 is an enlarged view of a portion of FIG. 1, FIG. 3 is a sectional view showing an example of a conventional mechanical seal, and FIG. FIG. 3 is an explanatory diagram of a sliding surface of a mechanical seal. 31... Fixed ring, 32... Seal casing, 33... First seal fitting, 34... Second seal fitting, 35... Bearing, 37... Electromagnetic coil, 41... Magnetic fluid.
Claims (1)
囲繞するシールケーシングに取り付けられた固定
リングとで一次側軸封面を形成し、かつ前記固定
リングと前記シールケーシングとの間に二次側シ
ール部が設けられているメカニカルシールにおい
て、前記固定リングとの間に所定の隙間を有しか
つ磁性材料で作られた一対のシール金具と、該シ
ール金具の間に配設されかつ非磁性材料で作られ
た前記固定リングと微少な隙間を有する軸受とを
設け、前記シール金具の外周に電磁コイルを取り
付け、該シール金具と前記固定リングとの間に磁
性流体を封入したことを特徴とするメカニカルシ
ール。 A rotating ring fixed to the rotating shaft and a fixed ring attached to a seal casing surrounding the rotating shaft form a primary shaft sealing surface, and a secondary seal portion is provided between the fixed ring and the seal casing. A mechanical seal is provided with a pair of sealing fittings made of a magnetic material and having a predetermined gap between them and the fixing ring, and a pair of sealing fittings made of a non-magnetic material and arranged between the sealing fittings. A mechanical seal characterized in that the fixing ring and the bearing having a small gap are provided, an electromagnetic coil is attached to the outer periphery of the seal fitting, and a magnetic fluid is sealed between the seal fitting and the fixing ring. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047490U JPH0456979U (en) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047490U JPH0456979U (en) | 1990-09-25 | 1990-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0456979U true JPH0456979U (en) | 1992-05-15 |
Family
ID=31843176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10047490U Pending JPH0456979U (en) | 1990-09-25 | 1990-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0456979U (en) |
-
1990
- 1990-09-25 JP JP10047490U patent/JPH0456979U/ja active Pending
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