JPH0475103U - - Google Patents
Info
- Publication number
- JPH0475103U JPH0475103U JP11622290U JP11622290U JPH0475103U JP H0475103 U JPH0475103 U JP H0475103U JP 11622290 U JP11622290 U JP 11622290U JP 11622290 U JP11622290 U JP 11622290U JP H0475103 U JPH0475103 U JP H0475103U
- Authority
- JP
- Japan
- Prior art keywords
- steam turbine
- pressure side
- labyrinth packing
- hole
- swirl flow
- 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
- 238000012856 packing Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 210000004907 gland Anatomy 0.000 claims 1
Description
第１図は本考案に係る旋回流防止シール構造を
備え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図は本
考案構造の他の実施例を示す要部断面図、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図の部詳細断面図である。
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……穴、１４……
穴、１５……蒸気、１６……軸車、１７……穴、
１８……プラグ、１９……高速旋回流。
Fig. 1 is a sectional view of a main part showing an embodiment of a steam turbine equipped with a swirl flow prevention seal structure according to the present invention, Fig. 2 is a view taken along the - arrow in Fig. 1, and Fig. 3 is a structure according to the present invention. 4 is a partially cutaway front view showing an example of a conventional steam turbine, and FIG. 5 is a detailed sectional view of a portion of FIG. 4. 11... Labyrinth packing, 12... Labyrinth packing support ring, 13... Hole, 14...
hole, 15...steam, 16...axle, 17...hole,
18...Plug, 19...High speed swirling flow.
Claims (1)
ングを用いた蒸気タービンにおいて、該ラビリン
スパツキングに半径方向に形成した複数個の穴を
設け、該穴の一端側を高圧側あるいは低圧側に連
通したことを特徴とする蒸気タービン旋回流防止
シール構造。 A steam turbine using a labyrinth packing as a shaft seal in the gland section, characterized in that the labyrinth packing is provided with a plurality of holes formed in the radial direction, and one end of the hole is communicated with a high pressure side or a low pressure side. Steam turbine swirl flow prevention seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11622290U JPH0475103U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11622290U JPH0475103U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475103U true JPH0475103U (en) | 1992-06-30 |
Family
ID=31864044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11622290U Pending JPH0475103U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017133385A (en) * | 2016-01-26 | 2017-08-03 | 三菱日立パワーシステムズ株式会社 | Rotating machine |
-
1990
- 1990-11-07 JP JP11622290U patent/JPH0475103U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017133385A (en) * | 2016-01-26 | 2017-08-03 | 三菱日立パワーシステムズ株式会社 | Rotating machine |