GB1484288A - Gas turbine engines - Google Patents
Gas turbine enginesInfo
- Publication number
- GB1484288A GB1484288A GB5299874A GB5299874A GB1484288A GB 1484288 A GB1484288 A GB 1484288A GB 5299874 A GB5299874 A GB 5299874A GB 5299874 A GB5299874 A GB 5299874A GB 1484288 A GB1484288 A GB 1484288A
- Authority
- GB
- United Kingdom
- Prior art keywords
- projections
- annular
- dec
- ring
- contracting
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
- F01D11/18—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
1484288 Gas turbines ROLLS-ROYCE (1971) Ltd 3 Dec 1975 [7 Dec 1974] 52998/74 Heading F1T A turbine rotor blade tip seal ring 21 is mounted on the casing by a first annular member 19 which expands rapidly on heating up, on starting the engine, but which is restrained from contracting rapidly on cooling down by a second more massive annular member 27 co-operating with the first annular member. As shown, the sealing ring 21 is formed from segments mounted on member 19 by lip 25 at one end and dowel rods 22 at the other. The member 19, has projections 30, 31 resting on similar projections 29, 28 on member 27, which allow member 19 to expand relative to member 27 but restrain it from contracting relative thereto after member 27 has also expanded. A layer 37 of abradable material is provided on the sealing ring. Hot air from the high-pressure compressor passes through holes 32 to a space 33 between member 19 at the ring 21 and, after initial expansion of member 19, between an annular gap between projections 28 and 31.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5299874A GB1484288A (en) | 1975-12-03 | 1975-12-03 | Gas turbine engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5299874A GB1484288A (en) | 1975-12-03 | 1975-12-03 | Gas turbine engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1484288A true GB1484288A (en) | 1977-09-01 |
Family
ID=10466221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5299874A Expired GB1484288A (en) | 1975-12-03 | 1975-12-03 | Gas turbine engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1484288A (en) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2360750A1 (en) * | 1976-08-02 | 1978-03-03 | Gen Electric | PROCESS FOR REDUCING THE FUNCTIONAL CLEARANCE BETWEEN A TURBINE ROTOR AND THE FREIGHT SURROUNDING IT |
FR2407342A1 (en) * | 1977-10-31 | 1979-05-25 | Gen Electric | TURBOMACHINE SUPPORT STRUCTURE |
FR2412697A1 (en) * | 1977-12-21 | 1979-07-20 | United Technologies Corp | SEAL CLEARANCE ADJUSTMENT SYSTEM FOR A GAS TURBINE ENGINE |
FR2416345A1 (en) * | 1978-01-31 | 1979-08-31 | Snecma | IMPACT COOLING DEVICE FOR TURBINE SEGMENTS OF A TURBOREACTOR |
DE2940308A1 (en) * | 1978-10-06 | 1980-04-17 | Snecma | ARRANGEMENT FOR TEMPERATURE CONTROL IN GAS TURBINES |
DE2907748A1 (en) * | 1979-02-28 | 1980-09-04 | Motoren Turbinen Union | DEVICE FOR MINIMIZING AND MAINTAINING THE SHOVEL TIP GAMES EXISTING WITH AXIAL TURBINES, IN PARTICULAR FOR GAS TURBINE ENGINES |
US4303371A (en) * | 1978-06-05 | 1981-12-01 | General Electric Company | Shroud support with impingement baffle |
FR2491138A1 (en) * | 1980-10-01 | 1982-04-02 | United Technologies Corp | METHOD FOR CONTROLLING THE RADIAL GAME BETWEEN THE FINS AND THE STATOR IN A GAS TURBINE ENGINE AND GAS TURBINE ENGINE WITH A DEVICE FOR IMPLEMENTING THE METHOD |
FR2494764A1 (en) * | 1980-11-22 | 1982-05-28 | Rolls Royce | DEVICE FOR ADJUSTING THE EXPANSION AND CONTRACTION SPEED OF THE TURBINE BLADES OF A GAS TURBINE ENGINE |
US4419044A (en) * | 1980-12-18 | 1983-12-06 | Rolls-Royce Limited | Gas turbine engine |
FR2540560A1 (en) * | 1983-02-03 | 1984-08-10 | Snecma | DEVICE FOR SEALING MOBILE BLADES OF A TURBOMACHINE |
FR2540937A1 (en) * | 1983-02-10 | 1984-08-17 | Snecma | Ring for a turbine machine turbine rotor |
FR2548733A1 (en) * | 1983-07-07 | 1985-01-11 | Snecma | DEVICE FOR SEALING MOBILE TURBINE CARRIERS |
FR2560293A1 (en) * | 1984-02-29 | 1985-08-30 | Snecma | Device for fixing a sealing ring for controlling the clearances of a turbomachine labyrinth seal |
FR2570764A1 (en) * | 1984-09-27 | 1986-03-28 | Snecma | DEVICE FOR AUTOMATICALLY CONTROLLING THE PLAY OF A TURBOMACHINE LABYRINTH SEAL |
GB2169037A (en) * | 1984-12-21 | 1986-07-02 | United Technologies Corp | Coolable turbomachine seal segment having interrupted mounting flanges |
FR2577281A1 (en) * | 1985-02-13 | 1986-08-14 | Snecma | TURBOMACHINE CASING ASSOCIATED WITH A DEVICE FOR ADJUSTING THE GAME BETWEEN MOBILE AUBES AND CARTER |
US4642024A (en) * | 1984-12-05 | 1987-02-10 | United Technologies Corporation | Coolable stator assembly for a rotary machine |
US4650394A (en) * | 1984-11-13 | 1987-03-17 | United Technologies Corporation | Coolable seal assembly for a gas turbine engine |
US4679981A (en) * | 1984-11-22 | 1987-07-14 | S.N.E.C.M.A. | Turbine ring for a gas turbine engine |
US4730982A (en) * | 1986-06-18 | 1988-03-15 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Assembly for controlling the flow of cooling air in an engine turbine |
US4732534A (en) * | 1985-10-02 | 1988-03-22 | Mtu Motoren-Und Turbinen-Union Muenchen Gmbh | Rotor blade jacket for axial gas turbines |
GB2195715A (en) * | 1986-10-08 | 1988-04-13 | Rolls Royce Plc | Rotor blade tip-shroud |
US4767260A (en) * | 1986-11-07 | 1988-08-30 | United Technologies Corporation | Stator vane platform cooling means |
EP0381895A1 (en) * | 1989-02-10 | 1990-08-16 | ROLLS-ROYCE plc | A blade tip clearance control arrangement for a gas turbine engine |
GB2251895A (en) * | 1980-10-03 | 1992-07-22 | Rolls Royce | Gas turbine shroud ring |
FR2685936A1 (en) * | 1992-01-08 | 1993-07-09 | Snecma | DEVICE FOR CONTROLLING THE GAMES OF A TURBOMACHINE COMPRESSOR HOUSING. |
GB2267129A (en) * | 1992-05-19 | 1993-11-24 | Rolls Royce Plc | Rotor shroud assembly. |
FR2716496A1 (en) * | 1982-12-31 | 1995-08-25 | Snecma | Seals for moving blades of turbo-machinery with control of play in real time |
EP0770761A1 (en) * | 1995-10-23 | 1997-05-02 | United Technologies Corporation | Rotor blade outer tip seal apparatus |
US6254344B1 (en) | 1999-01-06 | 2001-07-03 | Rolls-Royce Plc | Seal |
EP1048822A3 (en) * | 1999-04-29 | 2002-07-31 | Alstom | Heat shield for a gas turbine |
GB2420830A (en) * | 2004-12-01 | 2006-06-07 | Rolls Royce Plc | Casing arrangement |
US7147431B2 (en) * | 2002-11-27 | 2006-12-12 | Rolls-Royce Plc | Cooled turbine assembly |
US7938621B1 (en) * | 1997-12-03 | 2011-05-10 | Rolls-Royce Plc | Blade tip clearance system |
CN102562169A (en) * | 2010-11-29 | 2012-07-11 | 阿尔斯通技术有限公司 | Gas turbine of the axial flow type |
CN102686832A (en) * | 2009-12-23 | 2012-09-19 | 涡轮梅坎公司 | Method for cooling turbine stators and cooling system for implementing said method |
WO2020240118A1 (en) | 2019-05-29 | 2020-12-03 | Safran Helicopter Engines | Sealing ring for a wheel of a turbomachine turbine |
-
1975
- 1975-12-03 GB GB5299874A patent/GB1484288A/en not_active Expired
Cited By (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2360750A1 (en) * | 1976-08-02 | 1978-03-03 | Gen Electric | PROCESS FOR REDUCING THE FUNCTIONAL CLEARANCE BETWEEN A TURBINE ROTOR AND THE FREIGHT SURROUNDING IT |
FR2407342A1 (en) * | 1977-10-31 | 1979-05-25 | Gen Electric | TURBOMACHINE SUPPORT STRUCTURE |
FR2412697A1 (en) * | 1977-12-21 | 1979-07-20 | United Technologies Corp | SEAL CLEARANCE ADJUSTMENT SYSTEM FOR A GAS TURBINE ENGINE |
FR2416345A1 (en) * | 1978-01-31 | 1979-08-31 | Snecma | IMPACT COOLING DEVICE FOR TURBINE SEGMENTS OF A TURBOREACTOR |
US4303371A (en) * | 1978-06-05 | 1981-12-01 | General Electric Company | Shroud support with impingement baffle |
DE2940308A1 (en) * | 1978-10-06 | 1980-04-17 | Snecma | ARRANGEMENT FOR TEMPERATURE CONTROL IN GAS TURBINES |
FR2438165A1 (en) * | 1978-10-06 | 1980-04-30 | Snecma | TEMPERATURE CONTROL DEVICE FOR GAS TURBINES |
US4329113A (en) * | 1978-10-06 | 1982-05-11 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Temperature control device for gas turbines |
DE2907748A1 (en) * | 1979-02-28 | 1980-09-04 | Motoren Turbinen Union | DEVICE FOR MINIMIZING AND MAINTAINING THE SHOVEL TIP GAMES EXISTING WITH AXIAL TURBINES, IN PARTICULAR FOR GAS TURBINE ENGINES |
FR2491138A1 (en) * | 1980-10-01 | 1982-04-02 | United Technologies Corp | METHOD FOR CONTROLLING THE RADIAL GAME BETWEEN THE FINS AND THE STATOR IN A GAS TURBINE ENGINE AND GAS TURBINE ENGINE WITH A DEVICE FOR IMPLEMENTING THE METHOD |
GB2251895A (en) * | 1980-10-03 | 1992-07-22 | Rolls Royce | Gas turbine shroud ring |
GB2251895B (en) * | 1980-10-03 | 1992-12-09 | Rolls Royce | Gas turbine engine |
FR2494764A1 (en) * | 1980-11-22 | 1982-05-28 | Rolls Royce | DEVICE FOR ADJUSTING THE EXPANSION AND CONTRACTION SPEED OF THE TURBINE BLADES OF A GAS TURBINE ENGINE |
US4419044A (en) * | 1980-12-18 | 1983-12-06 | Rolls-Royce Limited | Gas turbine engine |
FR2716496A1 (en) * | 1982-12-31 | 1995-08-25 | Snecma | Seals for moving blades of turbo-machinery with control of play in real time |
FR2724973A1 (en) * | 1982-12-31 | 1996-03-29 | Snecma | Turbomachine movable blade sealing device with active control of play in real time |
EP0115984A1 (en) * | 1983-02-03 | 1984-08-15 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Sealing means for rotor blades of a gas-turbine |
US4527385A (en) * | 1983-02-03 | 1985-07-09 | Societe Nationale d'Etude et Je Construction de Moteurs d'Aviation "S.N.E.C.M.A." | Sealing device for turbine blades of a turbojet engine |
FR2540560A1 (en) * | 1983-02-03 | 1984-08-10 | Snecma | DEVICE FOR SEALING MOBILE BLADES OF A TURBOMACHINE |
FR2540937A1 (en) * | 1983-02-10 | 1984-08-17 | Snecma | Ring for a turbine machine turbine rotor |
FR2548733A1 (en) * | 1983-07-07 | 1985-01-11 | Snecma | DEVICE FOR SEALING MOBILE TURBINE CARRIERS |
EP0132182A1 (en) * | 1983-07-07 | 1985-01-23 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Turbine blade tip seal |
FR2560293A1 (en) * | 1984-02-29 | 1985-08-30 | Snecma | Device for fixing a sealing ring for controlling the clearances of a turbomachine labyrinth seal |
EP0176447A1 (en) * | 1984-09-27 | 1986-04-02 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Apparatus for the automatic control of the play of a labyrinth seal of a turbo machine |
FR2570764A1 (en) * | 1984-09-27 | 1986-03-28 | Snecma | DEVICE FOR AUTOMATICALLY CONTROLLING THE PLAY OF A TURBOMACHINE LABYRINTH SEAL |
US4662821A (en) * | 1984-09-27 | 1987-05-05 | Societe Nationale D'etude Et De Construction De Moteur D'aviation S.N.E.C.M.A. | Automatic control device of a labyrinth seal clearance in a turbo jet engine |
US4650394A (en) * | 1984-11-13 | 1987-03-17 | United Technologies Corporation | Coolable seal assembly for a gas turbine engine |
US4679981A (en) * | 1984-11-22 | 1987-07-14 | S.N.E.C.M.A. | Turbine ring for a gas turbine engine |
US4642024A (en) * | 1984-12-05 | 1987-02-10 | United Technologies Corporation | Coolable stator assembly for a rotary machine |
GB2169037A (en) * | 1984-12-21 | 1986-07-02 | United Technologies Corp | Coolable turbomachine seal segment having interrupted mounting flanges |
GB2169037B (en) * | 1984-12-21 | 1989-09-20 | United Technologies Corp | Coolable seal segment for a rotary machine |
US4650395A (en) * | 1984-12-21 | 1987-03-17 | United Technologies Corporation | Coolable seal segment for a rotary machine |
FR2577281A1 (en) * | 1985-02-13 | 1986-08-14 | Snecma | TURBOMACHINE CASING ASSOCIATED WITH A DEVICE FOR ADJUSTING THE GAME BETWEEN MOBILE AUBES AND CARTER |
EP0192556A1 (en) * | 1985-02-13 | 1986-08-27 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Turbine cylinder with a device to adjust the tip clearance between the turbine blades and the cylinder |
US4787817A (en) * | 1985-02-13 | 1988-11-29 | Societe Nationale D'etude Et De Construction De Moteurs D-Aviation (Snecma) | Device for monitoring clearance between rotor blades and a housing |
US4732534A (en) * | 1985-10-02 | 1988-03-22 | Mtu Motoren-Und Turbinen-Union Muenchen Gmbh | Rotor blade jacket for axial gas turbines |
US4730982A (en) * | 1986-06-18 | 1988-03-15 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Assembly for controlling the flow of cooling air in an engine turbine |
GB2195715A (en) * | 1986-10-08 | 1988-04-13 | Rolls Royce Plc | Rotor blade tip-shroud |
US4844688A (en) * | 1986-10-08 | 1989-07-04 | Rolls-Royce Plc | Gas turbine engine control system |
GB2195715B (en) * | 1986-10-08 | 1990-10-10 | Rolls Royce Plc | Gas turbine engine rotor blade clearance control |
US4767260A (en) * | 1986-11-07 | 1988-08-30 | United Technologies Corporation | Stator vane platform cooling means |
EP0381895A1 (en) * | 1989-02-10 | 1990-08-16 | ROLLS-ROYCE plc | A blade tip clearance control arrangement for a gas turbine engine |
FR2685936A1 (en) * | 1992-01-08 | 1993-07-09 | Snecma | DEVICE FOR CONTROLLING THE GAMES OF A TURBOMACHINE COMPRESSOR HOUSING. |
US5314303A (en) * | 1992-01-08 | 1994-05-24 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Device for checking the clearances of a gas turbine compressor casing |
GB2267129A (en) * | 1992-05-19 | 1993-11-24 | Rolls Royce Plc | Rotor shroud assembly. |
GB2267129B (en) * | 1992-05-19 | 1995-09-06 | Rolls Royce Plc | Rotor shroud assembly |
US5330321A (en) * | 1992-05-19 | 1994-07-19 | Rolls Royce Plc | Rotor shroud assembly |
EP0770761A1 (en) * | 1995-10-23 | 1997-05-02 | United Technologies Corporation | Rotor blade outer tip seal apparatus |
US7938621B1 (en) * | 1997-12-03 | 2011-05-10 | Rolls-Royce Plc | Blade tip clearance system |
US6254344B1 (en) | 1999-01-06 | 2001-07-03 | Rolls-Royce Plc | Seal |
EP1048822A3 (en) * | 1999-04-29 | 2002-07-31 | Alstom | Heat shield for a gas turbine |
US7147431B2 (en) * | 2002-11-27 | 2006-12-12 | Rolls-Royce Plc | Cooled turbine assembly |
GB2420830A (en) * | 2004-12-01 | 2006-06-07 | Rolls Royce Plc | Casing arrangement |
GB2420830B (en) * | 2004-12-01 | 2007-01-03 | Rolls Royce Plc | Improved casing arrangement |
US7140836B2 (en) | 2004-12-01 | 2006-11-28 | Rolls Royce Plc | Casing arrangement |
CN102686832A (en) * | 2009-12-23 | 2012-09-19 | 涡轮梅坎公司 | Method for cooling turbine stators and cooling system for implementing said method |
CN102562169A (en) * | 2010-11-29 | 2012-07-11 | 阿尔斯通技术有限公司 | Gas turbine of the axial flow type |
CN102562169B (en) * | 2010-11-29 | 2015-04-08 | 阿尔斯通技术有限公司 | Gas turbine of the axial flow type |
US9334754B2 (en) | 2010-11-29 | 2016-05-10 | Alstom Technology Ltd. | Axial flow gas turbine |
WO2020240118A1 (en) | 2019-05-29 | 2020-12-03 | Safran Helicopter Engines | Sealing ring for a wheel of a turbomachine turbine |
FR3096723A1 (en) * | 2019-05-29 | 2020-12-04 | Safran Helicopter Engines | SEALING RING FOR TURBOMACHINE TURBINE WHEEL |
CN113994073A (en) * | 2019-05-29 | 2022-01-28 | 赛峰直升机发动机公司 | Sealing ring for a wheel of a turbine wheel |
US11788424B2 (en) | 2019-05-29 | 2023-10-17 | Safran Helicopter Engines | Sealing ring for a wheel of a turbomachine turbine |
CN113994073B (en) * | 2019-05-29 | 2024-06-14 | 赛峰直升机发动机公司 | Sealing ring for a wheel of a turbine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |