JPS5698508A - Steam turbine - Google Patents
Steam turbineInfo
- Publication number
- JPS5698508A JPS5698508A JP130480A JP130480A JPS5698508A JP S5698508 A JPS5698508 A JP S5698508A JP 130480 A JP130480 A JP 130480A JP 130480 A JP130480 A JP 130480A JP S5698508 A JPS5698508 A JP S5698508A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- steam
- energy
- resilient
- blades
- 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
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE: To prevent occurrence of the steam whirl vibration of a rotor in a steam turbine in which cascades of rotor blades and stator blades are disposed alternately along the axis of the rotor, by providing a resilient vibration absorbing member at a portion in the inner wall surface of a stationary member facing the outer peripheral surface of the cascades of the rotor blades.
CONSTITUTION: A cascade 3 of rotor blades is fixed to a rotor disk 2 and a shroud ring 4 is attached to the cascade 3. A groove 15 is formed at a portion of a diaphragm 10 facing a tenon 5 for placing three corrugated plates 16 made of a resilient material in the groove 15. Energy of changing pressure of the steam entering into a space 14 is converted into heat energy by the frictional movement of the resilient plates 16, and the heat energy thus produced is released to the outside. Thus, since the energy of the changing steam pressure in the space 14 is released effectively, the rotor (1) vibrating force is reduced extremely, so that the rotor 1 can be protected against the steam whirl vibration.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP130480A JPS5698508A (en) | 1980-01-11 | 1980-01-11 | Steam turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP130480A JPS5698508A (en) | 1980-01-11 | 1980-01-11 | Steam turbine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5698508A true JPS5698508A (en) | 1981-08-08 |
Family
ID=11497737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP130480A Pending JPS5698508A (en) | 1980-01-11 | 1980-01-11 | Steam turbine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5698508A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150118040A1 (en) * | 2013-10-25 | 2015-04-30 | Ching-Pang Lee | Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine |
-
1980
- 1980-01-11 JP JP130480A patent/JPS5698508A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150118040A1 (en) * | 2013-10-25 | 2015-04-30 | Ching-Pang Lee | Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine |
US9206700B2 (en) * | 2013-10-25 | 2015-12-08 | Siemens Aktiengesellschaft | Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine |
CN105683511A (en) * | 2013-10-25 | 2016-06-15 | 西门子股份公司 | Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine |
CN105683511B (en) * | 2013-10-25 | 2018-12-28 | 西门子股份公司 | The exterior piece support ring including strong backboard in the compressor section of gas-turbine unit |
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