JPS59184303U - Seal structure of turbine blades - Google Patents
Seal structure of turbine bladesInfo
- Publication number
- JPS59184303U JPS59184303U JP7899083U JP7899083U JPS59184303U JP S59184303 U JPS59184303 U JP S59184303U JP 7899083 U JP7899083 U JP 7899083U JP 7899083 U JP7899083 U JP 7899083U JP S59184303 U JPS59184303 U JP S59184303U
- Authority
- JP
- Japan
- Prior art keywords
- seal structure
- turbine blades
- seal
- turbine
- blade
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第４図は、従来例のタービンの翼部のシール構造の要部
を拡大してあられした縦断側面図、第１図は、同じくタ
ービン軸が偏心している場合のトルクのアンバランスを
示す説明図、第２ａ図は、同じくシール部分の隙間をあ
られす説明図、第２ｂ図は、前図のＡ−Ａ切断面図、第
５図は、この考案の実施例を示す要部を拡大してあられ
した縦断側面図、第３ａ図は、同じくシール部分の隙間
をあられす説明図、第３ｂ図は、前図のＢ−Ｂ縦断側面
図である。
１・・・・・・ノズル、２・・・・・・動翼、３・・・
・・・動翼シュラウド、４・・・・・・タービンディス
ク、５・・・・・・従来翼先端部シールフィン、６・・
・・・・従来見付根部シールフィン、７・・・・・・こ
の考案に係る動翼先端部シールフィン、８・・・・・・
同じく翼付根部シールフィン、９・・・・・・ノズルブ
ロック、１０・・・・・・蒸気、１１・・・・・・付根
シール部。Fig. 4 is an enlarged longitudinal cross-sectional side view of the main part of the seal structure of the blade section of a conventional turbine, and Fig. 1 is an explanatory diagram showing the torque imbalance when the turbine shaft is eccentric. , Fig. 2a is an explanatory diagram showing the same gap in the seal portion, Fig. 2b is a sectional view taken along the line A-A of the previous figure, and Fig. 5 is an enlarged view of the main part showing an embodiment of this invention. Fig. 3a is an explanatory view showing a gap in the seal portion, and Fig. 3b is a longitudinal sectional side view taken along line B--B in the previous figure. 1... Nozzle, 2... Moving blade, 3...
... Moving blade shroud, 4... Turbine disk, 5... Conventional blade tip seal fin, 6...
... Conventional base seal fin, 7 ... Moving blade tip seal fin according to this invention, 8 ...
Similarly, wing root seal fin, 9... nozzle block, 10... steam, 11... root seal portion.
Claims (1)
回転軸側に対接して動翼先端部シールフィンを、また同
じく前記ブロックから翼付根シール部のディスク回転軸
側に対接して翼付根部シールフィンを夫々突設させたこ
とを特徴−とするタービンの翼部のシール構造。A rotor blade tip seal fin is protruded from the nozzle block in contact with the turbine disk rotating shaft side of the rotor blade shroud, and a blade root seal fin is protruded from the block in opposition to the disk rotary shaft side of the blade root seal portion. A seal structure for a turbine blade section, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7899083U JPS59184303U (en) | 1983-05-27 | 1983-05-27 | Seal structure of turbine blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7899083U JPS59184303U (en) | 1983-05-27 | 1983-05-27 | Seal structure of turbine blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59184303U true JPS59184303U (en) | 1984-12-07 |
Family
ID=30208991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7899083U Pending JPS59184303U (en) | 1983-05-27 | 1983-05-27 | Seal structure of turbine blades |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59184303U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728810A (en) * | 1980-07-28 | 1982-02-16 | Hitachi Ltd | Fluid turbine |
| JPS5744707A (en) * | 1980-09-01 | 1982-03-13 | Hitachi Ltd | Arrangement for damping vibration of rotor in axial-flow rotary machine |
-
1983
- 1983-05-27 JP JP7899083U patent/JPS59184303U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728810A (en) * | 1980-07-28 | 1982-02-16 | Hitachi Ltd | Fluid turbine |
| JPS5744707A (en) * | 1980-09-01 | 1982-03-13 | Hitachi Ltd | Arrangement for damping vibration of rotor in axial-flow rotary machine |
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