JPS57168007A - Turbine runner - Google Patents
Turbine runnerInfo
- Publication number
- JPS57168007A JPS57168007A JP5168381A JP5168381A JPS57168007A JP S57168007 A JPS57168007 A JP S57168007A JP 5168381 A JP5168381 A JP 5168381A JP 5168381 A JP5168381 A JP 5168381A JP S57168007 A JPS57168007 A JP S57168007A
- Authority
- JP
- Japan
- Prior art keywords
- blades
- projected part
- binding
- elongation
- hub
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE:To prevent the lowering of the strength of a turbine runner by providing projected parts toward the hub of the runner on surfaces of binding metals among blades. CONSTITUTION:A binding metal 3 binding two neighboring blades 2 is provided with a V-shaped projected part 5 toward the hub of the blades 2 between the blades 2. This projected part 5 is shaped by the bending of a press before the boring of a tennon hole by a punch. Especially, the bent direction of the projected part 5 is not toward the outer circumference of blades 2, but toward the inner circumferece. Consequently, even if a thermal elongation or a tensile stress elongation by centrifugal force is given during operation, the binding metal 3 works elastically as an expansion joint near the projected part 5 bent by the press and extends in accordance with the radial elongation of blades. This construction permits to relase the blades 2 from bending work and prevent them from the lowering of the allowance of the strength in their outer ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5168381A JPS57168007A (en) | 1981-04-08 | 1981-04-08 | Turbine runner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5168381A JPS57168007A (en) | 1981-04-08 | 1981-04-08 | Turbine runner |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57168007A true JPS57168007A (en) | 1982-10-16 |
Family
ID=12893678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5168381A Pending JPS57168007A (en) | 1981-04-08 | 1981-04-08 | Turbine runner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57168007A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734010A (en) * | 1985-05-31 | 1988-03-29 | Bbc Brown, Boveri & Company, Limited | Damping element for independent turbomachine blades |
US4784571A (en) * | 1987-02-09 | 1988-11-15 | Westinghouse Electric Corp. | Apparatus and method for reducing blade flop in steam turbine |
-
1981
- 1981-04-08 JP JP5168381A patent/JPS57168007A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734010A (en) * | 1985-05-31 | 1988-03-29 | Bbc Brown, Boveri & Company, Limited | Damping element for independent turbomachine blades |
US4784571A (en) * | 1987-02-09 | 1988-11-15 | Westinghouse Electric Corp. | Apparatus and method for reducing blade flop in steam turbine |
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