JPH0171101U - - Google Patents
Info
- Publication number
- JPH0171101U JPH0171101U JP1987165307U JP16530787U JPH0171101U JP H0171101 U JPH0171101 U JP H0171101U JP 1987165307 U JP1987165307 U JP 1987165307U JP 16530787 U JP16530787 U JP 16530787U JP H0171101 U JPH0171101 U JP H0171101U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- steam turbine
- stationary
- moving
- blades circumferentially
- 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
- 229910001208 Crucible steel Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、本考案の一実施例の構造図、第２図
は第１図の―矢視断面図、第３図は翼表面圧
力分布を示す図、第４図は第１図の多孔質鋳鋼の
単位面積当りの空孔率分布図、第５図は、本考案
の第二の実施例の断面図、第６図は、本考案の第
三の実施例の断面図である。
１…静翼、２…ダイヤフラム、３…支持リング
、７…腹側多孔質壁、９…背側多孔質壁。
Fig. 1 is a structural diagram of an embodiment of the present invention, Fig. 2 is a sectional view taken along the - arrow in Fig. 1, Fig. 3 is a diagram showing the pressure distribution on the blade surface, and Fig. 4 is the porous hole shown in Fig. 1. FIG. 5 is a sectional view of the second embodiment of the present invention, and FIG. 6 is a sectional view of the third embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Stationary blade, 2... Diaphragm, 3... Support ring, 7... Ventral side porous wall, 9... Dorsal side porous wall.
Claims (1)
イヤフラム及び支持リングと、動翼と、前記動翼
を円周上に複数枚保持するデイスクロータとから
なる蒸気タービン段落装置において、 翼の一部を多孔質構造の鋳鋼で形成したことを
特徴とする蒸気タービン翼構造。[Claims for Utility Model Registration] A stationary blade, a diaphragm and a support ring that support a plurality of said stationary blades circumferentially, a moving blade, and a disc rotor that holds a plurality of said moving blades circumferentially. A steam turbine blade structure in a steam turbine stage device, characterized in that a part of the blade is formed of cast steel with a porous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165307U JPH0171101U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165307U JPH0171101U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171101U true JPH0171101U (en) | 1989-05-12 |
Family
ID=31451672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165307U Pending JPH0171101U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171101U (en) |
-
1987
- 1987-10-30 JP JP1987165307U patent/JPH0171101U/ja active Pending