JPH0410165U - - Google Patents
Info
- Publication number
- JPH0410165U JPH0410165U JP5033090U JP5033090U JPH0410165U JP H0410165 U JPH0410165 U JP H0410165U JP 5033090 U JP5033090 U JP 5033090U JP 5033090 U JP5033090 U JP 5033090U JP H0410165 U JPH0410165 U JP H0410165U
- Authority
- JP
- Japan
- Prior art keywords
- seal ring
- rotary
- center line
- sliding surface
- gas
- 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
- 230000013011 mating Effects 0.000 description 1
Description
第１図〜第５図はこの考案の実施例を示し、第
１図は回転シールリングの摺動面に形成した動圧
発生溝を示す拡大断面図、第２図は回転シールリ
ングの摺動面にマスキングを施した状態の拡大断
面図、第３図は回転シールリングの摺動面にアモ
ルフアス層をコーテイングした状態の拡大断面図
、第４図は回転シールリングの摺動面を示す部分
的側面図、第５図はガスシールの概略構成を示す
正面半断面図、第６図は従来のガスシールの概略
構成を示す正面半断面図、第７図は従来の回転シ
ールリングの摺動面を示す部分的側面図、第８図
は従来の動圧発生溝を示す拡大断面図である。
符号の説明、１……ガスシール、２……回転軸
、４……メイテイングリング（回転シールリング
）、５……摺動面、６……動圧発生溝、１３……
シールリング（スライドシールリング）、１８…
…アモルフアス層、Ｆ……ハウジング、Ｇ……ガ
ス、β……中心線。
Figures 1 to 5 show examples of this invention, with Figure 1 being an enlarged sectional view showing the dynamic pressure generating grooves formed on the sliding surface of the rotary seal ring, and Figure 2 showing the sliding surface of the rotary seal ring. Figure 3 is an enlarged cross-sectional view of the rotary seal ring with the sliding surface coated with an amorphous layer, and Figure 4 is a partial view of the rotary seal ring's sliding surface. A side view, FIG. 5 is a front half-sectional view showing the schematic structure of a gas seal, FIG. 6 is a front half-sectional view showing the schematic structure of a conventional gas seal, and FIG. 7 is a sliding surface of a conventional rotary seal ring. FIG. 8 is an enlarged sectional view showing a conventional dynamic pressure generating groove. Explanation of symbols, 1... Gas seal, 2... Rotating shaft, 4... Mating ring (rotating seal ring), 5... Sliding surface, 6... Dynamic pressure generating groove, 13...
Seal ring (slide seal ring), 18...
...Amorphous layer, F...housing, G...gas, β...center line.
Claims (1)
シールリングと、回転軸の中心線方向にスライド
自在なスライドシールリングとを摺動自在に配置
するとともに、回転シールリングの摺動面に、ハ
ウジング内のガスを導入すべく回転軸の中心線方
向の深さを有する動圧発生溝を設けたガスシール
において、 前記動圧発生溝を、回転シールリングの摺動面
に回転軸の中心線方向に突出したアモルフアス層
をコーテイングして形成したことを特徴とするガ
スシール。[Claims for Utility Model Registration] A rotary seal ring that rotates integrally with the rotary shaft in the housing and a slide seal ring that is slidable in the direction of the center line of the rotary shaft are slidably arranged, and the rotary seal ring A gas seal in which a dynamic pressure generating groove having a depth in the direction of the center line of the rotating shaft is provided on the sliding surface of the rotary seal ring to introduce gas in the housing, the dynamic pressure generating groove being provided on the sliding surface of the rotating seal ring. A gas seal characterized by being coated with an amorphous layer that protrudes in the direction of the center line of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050330U JPH0712763Y2 (en) | 1990-05-16 | 1990-05-16 | Gas seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050330U JPH0712763Y2 (en) | 1990-05-16 | 1990-05-16 | Gas seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0410165U true JPH0410165U (en) | 1992-01-28 |
| JPH0712763Y2 JPH0712763Y2 (en) | 1995-03-29 |
Family
ID=31568785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990050330U Expired - Lifetime JPH0712763Y2 (en) | 1990-05-16 | 1990-05-16 | Gas seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712763Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0625670U (en) * | 1992-09-03 | 1994-04-08 | 日本ピラー工業株式会社 | Non-contact mechanical seal |
| JP2012037035A (en) * | 2010-08-12 | 2012-02-23 | Ihi Corp | Gas seal device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58186253U (en) * | 1982-06-07 | 1983-12-10 | 日本ピストンリング株式会社 | rotating seal |
| JPH01165368U (en) * | 1988-05-11 | 1989-11-20 |
-
1990
- 1990-05-16 JP JP1990050330U patent/JPH0712763Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58186253U (en) * | 1982-06-07 | 1983-12-10 | 日本ピストンリング株式会社 | rotating seal |
| JPH01165368U (en) * | 1988-05-11 | 1989-11-20 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0625670U (en) * | 1992-09-03 | 1994-04-08 | 日本ピラー工業株式会社 | Non-contact mechanical seal |
| JP2012037035A (en) * | 2010-08-12 | 2012-02-23 | Ihi Corp | Gas seal device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712763Y2 (en) | 1995-03-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |