JPH0175663U - - Google Patents
Info
- Publication number
- JPH0175663U JPH0175663U JP1987170747U JP17074787U JPH0175663U JP H0175663 U JPH0175663 U JP H0175663U JP 1987170747 U JP1987170747 U JP 1987170747U JP 17074787 U JP17074787 U JP 17074787U JP H0175663 U JPH0175663 U JP H0175663U
- Authority
- JP
- Japan
- Prior art keywords
- sliding ring
- temperature
- control mechanism
- mechanical seal
- 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.)
- Granted
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案に係るメカニカルシールの一実
施例を示す要部概略的断面図、第２図は同じく制
御機構の概略的要部説明図、第３図は感温フエラ
イトの組成によるキユリー温度変化を示す説明図
、第４図は感温フエライトの温度変化による磁力
変化を示す説明図、第５図は本考案に係るメカニ
カルシールの制御機構の温度特性を示す説明図、
第６図は従来のメカニカルシールを示す要部概略
的断面図である。
１……機体（ハウジング）、２……回転軸、５
……回転摺接環（シールリング）、６……固定摺
接環（メイテイングリング）、１１……制御機構
、１２……感温フエライト、１３……永久磁石、
Ａ……摺動面。
Fig. 1 is a schematic sectional view of the main part showing an embodiment of the mechanical seal according to the present invention, Fig. 2 is a schematic illustration of the main part of the control mechanism, and Fig. 3 is the Curie temperature depending on the composition of the temperature-sensitive ferrite. FIG. 4 is an explanatory diagram showing changes in magnetic force due to temperature changes in temperature-sensitive ferrite; FIG. 5 is an explanatory diagram showing temperature characteristics of the control mechanism of the mechanical seal according to the present invention;
FIG. 6 is a schematic sectional view of the main parts of a conventional mechanical seal. 1... Body (housing), 2... Rotating shaft, 5
... Rotating sliding ring (seal ring), 6 ... Fixed sliding ring (mating ring), 11 ... Control mechanism, 12 ... Temperature-sensitive ferrite, 13 ... Permanent magnet,
A...Sliding surface.
Claims (1)
向に移動自在な回転摺接環の摺動面の背面部に感
温フエライトを配置し、この感温フエライトの温
度変化伴う磁力変化で前記固定摺接環と回転摺接
環との面圧を自動的に制御してなる制御機構を備
えたことを特徴とするメカニカルシール。 A temperature-sensitive ferrite is placed on the back surface of the sliding surface of a rotary sliding ring that is elastically biased against the fixed sliding ring and is movable in the axial direction. A mechanical seal comprising a control mechanism that automatically controls the surface pressure between the fixed sliding ring and the rotating sliding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17074787U JPH0631251Y2 (en) | 1987-11-10 | 1987-11-10 | mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17074787U JPH0631251Y2 (en) | 1987-11-10 | 1987-11-10 | mechanical seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175663U true JPH0175663U (en) | 1989-05-23 |
| JPH0631251Y2 JPH0631251Y2 (en) | 1994-08-22 |
Family
ID=31461964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17074787U Expired - Lifetime JPH0631251Y2 (en) | 1987-11-10 | 1987-11-10 | mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631251Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015505367A (en) * | 2012-01-04 | 2015-02-19 | アレヴァ エヌペ | Passive stop sealing device for shaft sealing system of primary motor driven pump unit |
-
1987
- 1987-11-10 JP JP17074787U patent/JPH0631251Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015505367A (en) * | 2012-01-04 | 2015-02-19 | アレヴァ エヌペ | Passive stop sealing device for shaft sealing system of primary motor driven pump unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631251Y2 (en) | 1994-08-22 |
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