JPH0343502U - - Google Patents
Info
- Publication number
- JPH0343502U JPH0343502U JP10350689U JP10350689U JPH0343502U JP H0343502 U JPH0343502 U JP H0343502U JP 10350689 U JP10350689 U JP 10350689U JP 10350689 U JP10350689 U JP 10350689U JP H0343502 U JPH0343502 U JP H0343502U
- Authority
- JP
- Japan
- Prior art keywords
- steam turbine
- fins
- sealing device
- fin
- leaf spring
- 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
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Description
第１図は本考案の蒸気タービンのシール装置の
断面図、第２図はそのシール装置における板バネ
の配置を示す説明図、第３図は本考案に係るフイ
ンのセラミツクス接着状態の説明図、第４図は従
来の蒸気タービンのシール装置の断面図である。
２……羽根、３……シユラウド、７，１０……
パツキンリング、８……最上流側フイン、９，１
２……板バネ、１０……下流側フイン。
FIG. 1 is a sectional view of a sealing device for a steam turbine according to the present invention, FIG. 2 is an explanatory diagram showing the arrangement of leaf springs in the sealing device, and FIG. 3 is an explanatory diagram of the state of adhesion of the fin to ceramics according to the present invention. FIG. 4 is a sectional view of a conventional steam turbine sealing device. 2...feather, 3...shroud, 7,10...
Packing ring, 8...most upstream fin, 9,1
2...Plate spring, 10...Downstream fin.
Claims (1)
数枚のフインを静止部に備えてなる蒸気タービン
において、前記複数枚のフインの最上流側に位置
するフインの先端部にセラミツクスを焼結したこ
とを特徴とする蒸気タービンのシール装置。 (2) セラミツクスを焼結したフインが半径方向
に移動可能に支持する板バネを有し、この板バネ
を他のフインの板バネに対して独立した部材に構
成したことを特徴とする請求項１記載の蒸気ター
ビンのシール装置。[Claims for Utility Model Registration] (1) In a steam turbine comprising a plurality of fins in the stationary part for suppressing steam leakage between the rotating part and the stationary part, a steam turbine located on the most upstream side of the plurality of fins. A steam turbine sealing device characterized by sintered ceramics at the tip of the fin. (2) A claim characterized in that the fin made of sintered ceramics has a leaf spring supported movably in the radial direction, and the leaf spring is constructed as a member independent from the leaf springs of other fins. 1. The steam turbine sealing device according to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10350689U JPH0343502U (en) | 1989-09-05 | 1989-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10350689U JPH0343502U (en) | 1989-09-05 | 1989-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343502U true JPH0343502U (en) | 1991-04-24 |
Family
ID=31652338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10350689U Pending JPH0343502U (en) | 1989-09-05 | 1989-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003505634A (en) * | 1999-07-16 | 2003-02-12 | エムテーウー・アエロ・エンジンズ・ゲーエムベーハー | Seal ring for non-hermetic fluid seal |
| JP2013177866A (en) * | 2012-02-29 | 2013-09-09 | Hitachi Ltd | Turbomachine |
-
1989
- 1989-09-05 JP JP10350689U patent/JPH0343502U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003505634A (en) * | 1999-07-16 | 2003-02-12 | エムテーウー・アエロ・エンジンズ・ゲーエムベーハー | Seal ring for non-hermetic fluid seal |
| JP2013177866A (en) * | 2012-02-29 | 2013-09-09 | Hitachi Ltd | Turbomachine |
| CN103291379A (en) * | 2012-02-29 | 2013-09-11 | 株式会社日立制作所 | Turbo machinery |
| EP2634376A3 (en) * | 2012-02-29 | 2016-04-13 | Mitsubishi Hitachi Power Systems, Ltd. | Turbo-machinery sealing arrangement |
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