IT1076442B - METHOD AND APPARATUS SUITABLE TO IMPROVE THE PERFORMANCE OF A TURBINE - Google Patents
METHOD AND APPARATUS SUITABLE TO IMPROVE THE PERFORMANCE OF A TURBINEInfo
- Publication number
- IT1076442B IT1076442B IT2297077A IT2297077A IT1076442B IT 1076442 B IT1076442 B IT 1076442B IT 2297077 A IT2297077 A IT 2297077A IT 2297077 A IT2297077 A IT 2297077A IT 1076442 B IT1076442 B IT 1076442B
- Authority
- IT
- Italy
- Prior art keywords
- turbine
- performance
- improve
- apparatus suitable
- Prior art date
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
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71090076A | 1976-08-02 | 1976-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1076442B true IT1076442B (en) | 1985-04-27 |
Family
ID=24856000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2297077A IT1076442B (en) | 1976-08-02 | 1977-04-29 | METHOD AND APPARATUS SUITABLE TO IMPROVE THE PERFORMANCE OF A TURBINE |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5317813A (en) |
BE (1) | BE854122A (en) |
DE (1) | DE2718610A1 (en) |
FR (1) | FR2360750A1 (en) |
GB (1) | GB1581855A (en) |
IT (1) | IT1076442B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4230436A (en) * | 1978-07-17 | 1980-10-28 | General Electric Company | Rotor/shroud clearance control system |
US4230439A (en) * | 1978-07-17 | 1980-10-28 | General Electric Company | Air delivery system for regulating thermal growth |
US4338061A (en) * | 1980-06-26 | 1982-07-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Control means for a gas turbine engine |
GB2090333B (en) * | 1980-12-18 | 1984-04-26 | Rolls Royce | Gas turbine engine shroud/blade tip control |
GB2104966B (en) * | 1981-06-26 | 1984-08-01 | United Technologies Corp | Closed loop control for tip clearance of a gas turbine engine |
DE3546839C2 (en) * | 1985-11-19 | 1995-05-04 | Mtu Muenchen Gmbh | By-pass turbojet engine with split compressor |
US4747750A (en) * | 1986-01-17 | 1988-05-31 | United Technologies Corporation | Transition duct seal |
FR2601074B1 (en) * | 1986-07-03 | 1990-05-25 | Snecma | TURBOMACHINE PROVIDED WITH A DEVICE FOR CONTROLLING THE VENTILATION AIR FLOW TAKEN FOR THE CONTROL OF THE GAMES BETWEEN ROTOR AND STATOR. |
FR2614073B1 (en) * | 1987-04-15 | 1992-02-14 | Snecma | REAL-TIME ADJUSTMENT DEVICE OF THE RADIAL GAME BETWEEN A ROTOR AND A TURBOMACHINE STATOR |
US5076050A (en) * | 1989-06-23 | 1991-12-31 | United Technologies Corporation | Thermal clearance control method for gas turbine engine |
US5005352A (en) * | 1989-06-23 | 1991-04-09 | United Technologies Corporation | Clearance control method for gas turbine engine |
US5090193A (en) * | 1989-06-23 | 1992-02-25 | United Technologies Corporation | Active clearance control with cruise mode |
GB2236147B (en) * | 1989-08-24 | 1993-05-12 | Rolls Royce Plc | Gas turbine engine with turbine tip clearance control device and method of operation |
FR2652858B1 (en) * | 1989-10-11 | 1993-05-07 | Snecma | TURBOMACHINE STATOR ASSOCIATED WITH MEANS OF DEFORMATION. |
GB9027986D0 (en) * | 1990-12-22 | 1991-02-13 | Rolls Royce Plc | Gas turbine engine clearance control |
US6925814B2 (en) * | 2003-04-30 | 2005-08-09 | Pratt & Whitney Canada Corp. | Hybrid turbine tip clearance control system |
JP2008180149A (en) * | 2007-01-24 | 2008-08-07 | Mitsubishi Heavy Ind Ltd | Vane structure of gas turbine and gas turbine |
FR2971291B1 (en) | 2011-02-08 | 2013-02-22 | Snecma | CONTROL UNIT AND METHOD FOR CONTROLLING THE AUBES TOP SET |
US20180334962A1 (en) * | 2017-05-22 | 2018-11-22 | United Technologies Corporation | Active bleed flow modulation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825365A (en) * | 1973-02-05 | 1974-07-23 | Avco Corp | Cooled turbine rotor cylinder |
FR2280791A1 (en) * | 1974-07-31 | 1976-02-27 | Snecma | IMPROVEMENTS IN ADJUSTING THE CLEARANCE BETWEEN THE BLADES AND THE STATOR OF A TURBINE |
US3966354A (en) * | 1974-12-19 | 1976-06-29 | General Electric Company | Thermal actuated valve for clearance control |
US4005946A (en) * | 1975-06-20 | 1977-02-01 | United Technologies Corporation | Method and apparatus for controlling stator thermal growth |
GB1484288A (en) * | 1975-12-03 | 1977-09-01 | Rolls Royce | Gas turbine engines |
US4069662A (en) * | 1975-12-05 | 1978-01-24 | United Technologies Corporation | Clearance control for gas turbine engine |
US4019320A (en) * | 1975-12-05 | 1977-04-26 | United Technologies Corporation | External gas turbine engine cooling for clearance control |
-
1977
- 1977-04-15 GB GB1576977A patent/GB1581855A/en not_active Expired
- 1977-04-27 JP JP4796177A patent/JPS5317813A/en active Pending
- 1977-04-27 FR FR7712717A patent/FR2360750A1/en active Granted
- 1977-04-27 DE DE19772718610 patent/DE2718610A1/en not_active Withdrawn
- 1977-04-29 BE BE177147A patent/BE854122A/en unknown
- 1977-04-29 IT IT2297077A patent/IT1076442B/en active
Also Published As
Publication number | Publication date |
---|---|
GB1581855A (en) | 1980-12-31 |
FR2360750B1 (en) | 1982-08-13 |
JPS5317813A (en) | 1978-02-18 |
FR2360750A1 (en) | 1978-03-03 |
BE854122A (en) | 1977-08-16 |
DE2718610A1 (en) | 1978-02-09 |
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