JPS6081204U

JPS6081204U - Cooling structure of turbine rotor blades and stationary blades

Info

Publication number: JPS6081204U
Application number: JP17306783U
Authority: JP
Inventors: 賢一郎武石; 正昭松浦
Original assignee: 三菱重工業株式会社
Priority date: 1983-11-10
Filing date: 1983-11-10
Publication date: 1985-06-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１ａ図は、従来のタービン動翼の要部を示す側面図、
第１ｂ図は、同じく横断平面図、第２ａ図は、この考案
の実施例を示す要部をあられした側面図、第２ｂ図は、
同じく横断平面図、第２ｃ図は、同じく空気冷却孔の要
部拡大縦断側面図である。１・・・翼部、２・・・翼根部、３・・・主流ガス、４
・・・ガス温度分布、５・・・空気冷却孔、６・・・冷
却空気入口部、７・・・冷却空気排出部、８・・・入口
部側テーパ状部、９・・・排出部側テーパ状部、１０・
・・従来のタービン動翼、１１・・・この考案に係るタ
ービン動翼。FIG. 1a is a side view showing the main parts of a conventional turbine rotor blade;
Figure 1b is a cross-sectional plan view, Figure 2a is a side view showing the main parts of the embodiment of this invention, and Figure 2b is a
Similarly, FIG. 2C is a cross-sectional plan view, and FIG. 1... Wing part, 2... Blade root part, 3... Mainstream gas, 4
... Gas temperature distribution, 5... Air cooling hole, 6... Cooling air inlet, 7... Cooling air discharge part, 8... Inlet side tapered part, 9... Discharge part Side tapered part, 10・
...Conventional turbine rotor blade, 11...Turbine rotor blade according to this invention.

Claims

[Scope of utility model registration request]

Cooling of turbine rotor blades and stationary blades, characterized in that a cooling air passage passing through the blade root and blade tip is gradually contracted from the blade root and gradually expanded and opened at the blade tip. structure.