JPS5465205A - Steam turbine blade - Google Patents
Steam turbine bladeInfo
- Publication number
- JPS5465205A JPS5465205A JP13101677A JP13101677A JPS5465205A JP S5465205 A JPS5465205 A JP S5465205A JP 13101677 A JP13101677 A JP 13101677A JP 13101677 A JP13101677 A JP 13101677A JP S5465205 A JPS5465205 A JP S5465205A
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- blade
- section
- base
- planting section
- 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 damage to a planting section of a turbine blade of a steam turbine by constituting same such that stress concentration at the base of the turbine balde is divergently moderated.
CONSTITUTION: A planting section 1 of an outside tail shape is provided on an outer periphery of a turbine disc 2 and inclined surfaces 3a, 3b each having an angle θ are formed at caulking projections 3, 4 of the planting section 1. Meanwhile, a blade 5 adapted to be fastened to the turbine disc 2 has a hooked section 6 formed at the base thereof. Thus, the blade 5 is fixed to the outer periphery of the turbine disc 2 by caulking at the outer faces 3b, 4b of the caulking projections 3, 4 from ourwardly with the hooked section 6 fitted in the planting section 1. Due to the inclined surfaces 3a, 4a formed respectively on the caulking projections 3, 4, stress concentration to the hooked section 6 which constitutes the base of the blade 5 can be divergently moderated. Such construction also facilitates working and assembling thereof.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13101677A JPS5465205A (en) | 1977-11-01 | 1977-11-01 | Steam turbine blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13101677A JPS5465205A (en) | 1977-11-01 | 1977-11-01 | Steam turbine blade |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5465205A true JPS5465205A (en) | 1979-05-25 |
Family
ID=15048010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13101677A Pending JPS5465205A (en) | 1977-11-01 | 1977-11-01 | Steam turbine blade |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5465205A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59136036A (en) * | 1983-01-25 | 1984-08-04 | Hitachi Ltd | Rotor of rotary electric machine |
US4730984A (en) * | 1986-09-08 | 1988-03-15 | Ortolano Ralph J | Bladed rotor structure having bifurcated blade roots |
-
1977
- 1977-11-01 JP JP13101677A patent/JPS5465205A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59136036A (en) * | 1983-01-25 | 1984-08-04 | Hitachi Ltd | Rotor of rotary electric machine |
JPH0477538B2 (en) * | 1983-01-25 | 1992-12-08 | Hitachi Ltd | |
US4730984A (en) * | 1986-09-08 | 1988-03-15 | Ortolano Ralph J | Bladed rotor structure having bifurcated blade roots |
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