JPS61142104U - - Google Patents
Info
- Publication number
- JPS61142104U JPS61142104U JP2543285U JP2543285U JPS61142104U JP S61142104 U JPS61142104 U JP S61142104U JP 2543285 U JP2543285 U JP 2543285U JP 2543285 U JP2543285 U JP 2543285U JP S61142104 U JPS61142104 U JP S61142104U
- Authority
- JP
- Japan
- Prior art keywords
- plug
- valve
- diameter
- muffler
- main body
- 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.)
- Granted
Links
Landscapes
- Control Of Turbines (AREA)
- Sliding Valves (AREA)
Description
第１図は、この考案の実施例を示す要部をあら
わした縦断正面図、第２図は、同じく前図のＸ部
の拡大図、第３図は、第１図のＶ―Ｖ切断面図、
第４ａ図は、従来の蒸気加減弁のプラグ閉状態を
示す縦断正面図、第４ｂ図は、同じくプラグ開状
態を示す縦断正面図、第４ｃ図は、第４ａ図のＹ
部の拡大図である。
１……弁棒ガイド、２……弁棒、３……プラグ
、３′……この考案に係るプラグ、４……マフラ
、５……ボンネツト、６……弁体ケーシング、７
……切欠き穴、７′……この考案に係る切欠き穴
、８……千鳥穴、８′……この考案に係る千鳥穴
、９……リブ、１０……本体シート部。
Fig. 1 is a longitudinal sectional front view showing the main parts of an embodiment of this invention, Fig. 2 is an enlarged view of the X part in the previous figure, and Fig. 3 is a cross section along V-V in Fig. 1. figure,
Fig. 4a is a longitudinal sectional front view showing the conventional steam control valve in the plug closed state, Fig. 4b is a longitudinal sectional front view showing the plug in the open state, and Fig. 4c is the Y of Fig. 4a.
FIG. DESCRIPTION OF SYMBOLS 1... Valve stem guide, 2... Valve stem, 3... Plug, 3'... Plug according to this invention, 4... Muffler, 5... Bonnet, 6... Valve body casing, 7
... Notch hole, 7' ... Notch hole according to this invention, 8 ... Staggered hole, 8' ... Staggered hole according to this invention, 9 ... Rib, 10 ... Main body sheet portion.
Claims (1)
部を滑らかに拡径して側壁外径に整合させ、また
ボンネツトのマフラの切欠き穴の下部内面を弁中
心の下方を指向して傾斜する凸形状に形成させる
とともに千鳥穴を弁中心の下方を指向して傾斜さ
せて穿孔させ、さらに弁体ケーシングの前記マフ
ラ下端部近傍の本体シート部の内周面を凸形状に
形成させ、前記プラグの上下動時にプラグと前記
切欠き穴の下部内面および本体シート部の内周面
間に夫々デイフユーザを形成するようにしたこと
を特徴とする蒸気タービンの蒸気加減弁。 The diameter of the outer wall at the lower end of the plug is reduced, and the diameter of its upper part is smoothly expanded to match the outer diameter of the side wall, and the inner surface of the lower part of the notch hole in the muffler of the bonnet is shaped into a convex shape that slopes downward from the center of the valve. At the same time, zigzag holes are formed so as to point downward from the valve center, and the inner circumferential surface of the main body seat near the lower end of the muffler of the valve body casing is formed into a convex shape, so that the plug can be moved up and down. 1. A steam control valve for a steam turbine, characterized in that a diffuser is formed between the plug, the lower inner surface of the notch hole, and the inner circumferential surface of the main body seat portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2543285U JPH032642Y2 (en) | 1985-02-26 | 1985-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2543285U JPH032642Y2 (en) | 1985-02-26 | 1985-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61142104U true JPS61142104U (en) | 1986-09-02 |
| JPH032642Y2 JPH032642Y2 (en) | 1991-01-24 |
Family
ID=30520494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2543285U Expired JPH032642Y2 (en) | 1985-02-26 | 1985-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032642Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136881U (en) * | 1989-04-20 | 1990-11-15 |
-
1985
- 1985-02-26 JP JP2543285U patent/JPH032642Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136881U (en) * | 1989-04-20 | 1990-11-15 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032642Y2 (en) | 1991-01-24 |