JPS6169404U - - Google Patents
Info
- Publication number
- JPS6169404U JPS6169404U JP15311784U JP15311784U JPS6169404U JP S6169404 U JPS6169404 U JP S6169404U JP 15311784 U JP15311784 U JP 15311784U JP 15311784 U JP15311784 U JP 15311784U JP S6169404 U JPS6169404 U JP S6169404U
- Authority
- JP
- Japan
- Prior art keywords
- piston ring
- nozzle box
- steam
- steam inlet
- inner periphery
- 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
- 239000000155 melt Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図より第３図は本考案の一実施例に係り、
第１図は構成を示す縦断面図、第２図は合金部材
をはめ込んだピストンリングの平面図、第３図は
切欠き部を閉じた状態のピストンリングの平面図
、第４図は従来例の構成を示す縦断面図、第５図
は第４図のＶ−Ｖ線矢視の断面図、第６図は従来
のノズルボツクスの蒸気入口部の縦断面図である
。
１０…ノズルボツクス、１００，１１０，１１
０ａ，１１０ｂ…ピストンリング、１１０ｃ…切
欠き部、１２…主蒸気入口管、１３…蒸気入口管
、５０…蒸気流れ、１２０…合金部材。
Figures 1 to 3 relate to an embodiment of the present invention,
Fig. 1 is a longitudinal cross-sectional view showing the structure, Fig. 2 is a plan view of the piston ring fitted with an alloy member, Fig. 3 is a plan view of the piston ring with the notch closed, and Fig. 4 is a conventional example. FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 4, and FIG. 6 is a vertical cross-sectional view of the steam inlet of a conventional nozzle box. 10... Nozzle box, 100, 110, 11
0a, 110b... Piston ring, 110c... Notch, 12... Main steam inlet pipe, 13... Steam inlet pipe, 50... Steam flow, 120... Alloy member.
Claims (1)
蒸気入口管外周とノズルボツクス内周部に多段に
配設すると共に、上記ノズルボツクス内周部に配
設したピストンリングの切欠き部に高温にて融解
もしくは収縮する部材を嵌装した蒸気タービン用
ノズルボツクス。 Steam leak prevention piston ring at the steam inlet.
For steam turbines, the piston ring is arranged in multiple stages on the outer periphery of the steam inlet pipe and the inner periphery of the nozzle box, and a member that melts or contracts at high temperatures is fitted into the notch of the piston ring arranged on the inner periphery of the nozzle box. nozzle box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15311784U JPS6169404U (en) | 1984-10-12 | 1984-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15311784U JPS6169404U (en) | 1984-10-12 | 1984-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6169404U true JPS6169404U (en) | 1986-05-12 |
Family
ID=30711152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15311784U Pending JPS6169404U (en) | 1984-10-12 | 1984-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6169404U (en) |
-
1984
- 1984-10-12 JP JP15311784U patent/JPS6169404U/ja active Pending