JPS61167431U - - Google Patents
Info
- Publication number
- JPS61167431U JPS61167431U JP5098785U JP5098785U JPS61167431U JP S61167431 U JPS61167431 U JP S61167431U JP 5098785 U JP5098785 U JP 5098785U JP 5098785 U JP5098785 U JP 5098785U JP S61167431 U JPS61167431 U JP S61167431U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- back surface
- seal
- turbine
- annular groove
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の一実施例を示す要部の断面図
、第２図は従来のガスシール構造を示す断面図、
第３図は従来の他のガスシール構造を示す断面図
、第４図は第１図に示すガスシール構造を有する
ターボチヤージヤを示す部分断面側面図である。
１０…タービン、１２…ロータ軸、１７…環状
溝、２０…ラビリンスシール、２１…径方向環状
突起、２２…軸方向環状突起、２６ａ…第１環状
シール部、２６ｂ…第２環状シール部。
Fig. 1 is a sectional view of the main parts showing an embodiment of the present invention, Fig. 2 is a sectional view showing a conventional gas seal structure,
FIG. 3 is a sectional view showing another conventional gas seal structure, and FIG. 4 is a partially sectional side view showing a turbocharger having the gas seal structure shown in FIG. 1. DESCRIPTION OF SYMBOLS 10... Turbine, 12... Rotor shaft, 17... Annular groove, 20... Labyrinth seal, 21... Radial direction annular projection, 22... Axial direction annular projection, 26a... First annular seal part, 26b... Second annular seal part.
Claims (1)
つて該背面に近接した部位に嵌合され、ロータ軸
の外周面に向つて突出する径方向環状突起とター
ビンの背面に向つて突出する軸方向環状突起とを
有するラビリンスシールを備えたターボチヤージ
ヤのガスシール構造において、上記タービンの背
面の内周側に環状溝を刻設し、上記ラビリンスシ
ールには、この環状溝の開口部に嵌入するととも
にこの開口部より若干幅狭の第１環状シール部を
形成し、かつこの第１環状シール部の先端に、こ
の第１環状シール部よりも幅狭であつて上記環状
溝の底部近傍まで延びる第２環状シール部を形成
したことを特徴とするターボチヤージヤのガスシ
ール構造。 A radial annular protrusion that is fitted to a portion of the rotor shaft extending from the back surface of the turbine and proximate to the back surface, and that protrudes toward the outer circumferential surface of the rotor shaft; and an axial annular protrusion that protrudes toward the back surface of the turbine. In a turbocharger gas seal structure having a labyrinth seal, an annular groove is carved on the inner peripheral side of the back surface of the turbine, and the labyrinth seal is fitted into an opening of the annular groove and has a A first annular seal portion having a slightly narrower width is formed, and a second annular seal having a width narrower than the first annular seal portion and extending to near the bottom of the annular groove is provided at the tip of the first annular seal portion. A gas seal structure for a turbocharger characterized by forming a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5098785U JPH0341064Y2 (en) | 1985-04-08 | 1985-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5098785U JPH0341064Y2 (en) | 1985-04-08 | 1985-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61167431U true JPS61167431U (en) | 1986-10-17 |
| JPH0341064Y2 JPH0341064Y2 (en) | 1991-08-29 |
Family
ID=30569632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5098785U Expired JPH0341064Y2 (en) | 1985-04-08 | 1985-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341064Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016151895A1 (en) * | 2015-03-26 | 2016-09-29 | 三菱重工業株式会社 | Exhaust turbine device and supercharger |
| JP2017525880A (en) * | 2014-05-05 | 2017-09-07 | エクセルギー エス．ピー．エー．Ｅｘｅｒｇｙ Ｓ．Ｐ．Ａ． | Radial flow turbomachine |
-
1985
- 1985-04-08 JP JP5098785U patent/JPH0341064Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017525880A (en) * | 2014-05-05 | 2017-09-07 | エクセルギー エス．ピー．エー．Ｅｘｅｒｇｙ Ｓ．Ｐ．Ａ． | Radial flow turbomachine |
| WO2016151895A1 (en) * | 2015-03-26 | 2016-09-29 | 三菱重工業株式会社 | Exhaust turbine device and supercharger |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341064Y2 (en) | 1991-08-29 |