GB1174170A - Elastic fluid turbine rot or cooling arrangement - Google Patents
Elastic fluid turbine rot or cooling arrangementInfo
- Publication number
- GB1174170A GB1174170A GB24571/67A GB2457167A GB1174170A GB 1174170 A GB1174170 A GB 1174170A GB 24571/67 A GB24571/67 A GB 24571/67A GB 2457167 A GB2457167 A GB 2457167A GB 1174170 A GB1174170 A GB 1174170A
- Authority
- GB
- United Kingdom
- Prior art keywords
- space
- wheel
- flow
- working fluid
- seal
- 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.)
- Expired
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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Abstract
1,174,170. Elastic-fluid turbine cooling. GENERAL ELECTRIC CO. May 26, 1967 [June 30, 1966], No.24571/67. Headings F1G and F1T. A cooling arrangement in a double flow steam or gas turbine comprises holes 13 in the first stage rotor wheel 2 and scoops 12 to pump working fluid from the downstream side of the wheel 2 through the holes into the annular space 11. A stationary recirculation conduit 14 connects the space 11 with the working fluid path downstream of the wheel 2. The blades 3 are shaped to have negative reaction adjacent their roots and thus the working fluid in the root region is at a slightly higher pressure on the downstream side of the wheel 2 than on the upstream side. The pressure in space 11 is therefore normally higher than in region 15 causing fluid to flow past the labyrinth seal 9 from the space to cool the seal and wheel face. Flow through the conduit 14 helps to maintain pressure in the space 11, the direction of flow depending upon the condition of the seals 9. The seal teeth 19 are inclined to permit greater flow in the direction of inclination than in the opposite direction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56198266A | 1966-06-30 | 1966-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1174170A true GB1174170A (en) | 1969-12-17 |
Family
ID=24244308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24571/67A Expired GB1174170A (en) | 1966-06-30 | 1967-05-26 | Elastic fluid turbine rot or cooling arrangement |
Country Status (4)
Country | Link |
---|---|
US (1) | US3429557A (en) |
CH (1) | CH469185A (en) |
GB (1) | GB1174170A (en) |
SE (1) | SE348795B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5650084B2 (en) * | 1972-04-26 | 1981-11-26 | ||
DE3209506A1 (en) * | 1982-03-16 | 1983-09-22 | Kraftwerk Union AG, 4330 Mülheim | AXIAL STEAM TURBINE IN PARTICULAR, IN PARTICULAR VERSION |
US5524340A (en) * | 1994-09-13 | 1996-06-11 | General Electric Co. | Method for modifying a turbine diaphragm for use with a reduced rotor lan diameter |
US8047767B2 (en) * | 2005-09-28 | 2011-11-01 | General Electric Company | High pressure first stage turbine and seal assembly |
EP1785586B1 (en) * | 2005-10-20 | 2014-05-07 | Siemens Aktiengesellschaft | Rotor of a turbomachine |
US8317458B2 (en) * | 2008-02-28 | 2012-11-27 | General Electric Company | Apparatus and method for double flow turbine tub region cooling |
US8662831B2 (en) * | 2009-12-23 | 2014-03-04 | General Electric Company | Diaphragm shell structures for turbine engines |
US8414252B2 (en) * | 2010-01-04 | 2013-04-09 | General Electric Company | Method and apparatus for double flow turbine first stage cooling |
JP5558120B2 (en) * | 2010-01-12 | 2014-07-23 | 株式会社東芝 | Steam turbine rotor cooling device and steam turbine provided with this cooling device |
US8668439B2 (en) | 2011-03-24 | 2014-03-11 | General Electric Company | Inserts for turbine cooling circuit |
US8888437B2 (en) | 2011-10-19 | 2014-11-18 | General Electric Company | Dual-flow steam turbine with steam cooling |
EP2685051A1 (en) * | 2012-07-12 | 2014-01-15 | Siemens Aktiengesellschaft | Inlet segment for a flow machine |
JP5865204B2 (en) * | 2012-07-20 | 2016-02-17 | 株式会社東芝 | Axial turbine and power plant |
JP6010488B2 (en) * | 2013-03-11 | 2016-10-19 | 株式会社東芝 | Axial turbine and power plant having the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2552239A (en) * | 1946-10-29 | 1951-05-08 | Gen Electric | Turbine rotor cooling arrangement |
BE486024A (en) * | 1947-11-28 | |||
US3189320A (en) * | 1963-04-29 | 1965-06-15 | Westinghouse Electric Corp | Method of cooling turbine rotors and discs |
US3206166A (en) * | 1964-01-21 | 1965-09-14 | Westinghouse Electric Corp | Elastic fluid apparatus |
-
1966
- 1966-06-30 US US561982A patent/US3429557A/en not_active Expired - Lifetime
-
1967
- 1967-05-26 GB GB24571/67A patent/GB1174170A/en not_active Expired
- 1967-06-28 CH CH919767A patent/CH469185A/en unknown
- 1967-06-29 SE SE09651/67*A patent/SE348795B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1551184A1 (en) | 1970-02-05 |
CH469185A (en) | 1969-02-28 |
US3429557A (en) | 1969-02-25 |
DE1551184B2 (en) | 1975-04-30 |
SE348795B (en) | 1972-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |