JPH0475102U - - Google Patents
Info
- Publication number
- JPH0475102U JPH0475102U JP11622190U JP11622190U JPH0475102U JP H0475102 U JPH0475102 U JP H0475102U JP 11622190 U JP11622190 U JP 11622190U JP 11622190 U JP11622190 U JP 11622190U JP H0475102 U JPH0475102 U JP H0475102U
- Authority
- JP
- Japan
- Prior art keywords
- steam turbine
- wheel disk
- close
- shaft
- shaft wheel
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 210000004907 gland Anatomy 0.000 claims 2
- 238000012856 packing Methods 0.000 description 2
Description
第１図は本考案に係る旋回流防止構造を採用し
た蒸気タービンの一実施例を示す要部断面図、第
２図は第１図の−線矢視図、第３図は蒸気タ
ービンのＡ部の蒸気の圧力分布を示す図、第４図
は従来の蒸気タービンの一例を示す一部破断正面
図、第５図は第４図の部の拡大断面図である。
１１……ラビリンスパツキング、１２……ラビ
リンスパツキング支持環、１３……軸車、１４…
…デイスク、１５……バツフル板、１６……動翼
、１７……軸部、１８……蒸気通路、１９……ビ
ス、２０……蒸気の流れ、２１……高速旋回流、
２２……ガイドベーン。
Fig. 1 is a sectional view of a main part showing an embodiment of a steam turbine employing a swirl flow prevention structure according to the present invention, Fig. 2 is a view taken along the - line in Fig. 1, and Fig. 3 is an A of the steam turbine. FIG. 4 is a partially cutaway front view showing an example of a conventional steam turbine, and FIG. 5 is an enlarged sectional view of the portion shown in FIG. 4. 11...Labyrinth packing, 12...Labyrinth packing support ring, 13...Axle, 14...
... Disc, 15 ... Buff full plate, 16 ... Moving blade, 17 ... Shaft, 18 ... Steam passage, 19 ... Screw, 20 ... Steam flow, 21 ... High-speed swirling flow,
22... Guide vane.
Claims (1)
部との間に配置されたバツフル板を具備して成り
、該バツフル板は、その外周が動翼ベース部に近
い径に、かつ内周が軸車軸径に近い径に形成され
、前記軸車デイスクとグランド部との間に蒸気通
路を設けてなることを特徴とする蒸気タービ旋回
流防止構造。 The steam turbine is equipped with a buttful plate disposed between the governor stage axle disc and the gland part, and the buffle plate has an outer periphery close to the rotor blade base and an inner periphery close to the shaft axle. 1. A steam turbine swirl flow prevention structure, characterized in that the structure is formed to have a diameter close to that of the shaft wheel disk, and a steam passage is provided between the shaft wheel disk and the gland section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11622190U JPH0475102U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11622190U JPH0475102U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475102U true JPH0475102U (en) | 1992-06-30 |
Family
ID=31864043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11622190U Pending JPH0475102U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020020465A (en) * | 2018-08-03 | 2020-02-06 | 株式会社東芝 | Sealing equipment and turbo machinery |
-
1990
- 1990-11-07 JP JP11622190U patent/JPH0475102U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020020465A (en) * | 2018-08-03 | 2020-02-06 | 株式会社東芝 | Sealing equipment and turbo machinery |
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