GB2104966B - Closed loop control for tip clearance of a gas turbine engine - Google Patents
Closed loop control for tip clearance of a gas turbine engineInfo
- Publication number
- GB2104966B GB2104966B GB08216720A GB8216720A GB2104966B GB 2104966 B GB2104966 B GB 2104966B GB 08216720 A GB08216720 A GB 08216720A GB 8216720 A GB8216720 A GB 8216720A GB 2104966 B GB2104966 B GB 2104966B
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas turbine
- closed loop
- turbine engine
- loop control
- tip clearance
- 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
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27749081A | 1981-06-26 | 1981-06-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2104966A GB2104966A (en) | 1983-03-16 |
GB2104966B true GB2104966B (en) | 1984-08-01 |
Family
ID=23061104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08216720A Expired GB2104966B (en) | 1981-06-26 | 1982-06-09 | Closed loop control for tip clearance of a gas turbine engine |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS588204A (en) |
FR (1) | FR2508670B1 (en) |
GB (1) | GB2104966B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2614073B1 (en) * | 1987-04-15 | 1992-02-14 | Snecma | REAL-TIME ADJUSTMENT DEVICE OF THE RADIAL GAME BETWEEN A ROTOR AND A TURBOMACHINE STATOR |
US5012420A (en) * | 1988-03-31 | 1991-04-30 | General Electric Company | Active clearance control for gas turbine engine |
GB2226365B (en) * | 1988-12-22 | 1993-03-10 | Rolls Royce Plc | Turbomachine clearance control |
US5090193A (en) * | 1989-06-23 | 1992-02-25 | United Technologies Corporation | Active clearance control with cruise mode |
GB9709086D0 (en) * | 1997-05-07 | 1997-06-25 | Rolls Royce Plc | Gas turbine engine cooling apparatus |
US6155038A (en) * | 1998-12-23 | 2000-12-05 | United Technologies Corporation | Method and apparatus for use in control and compensation of clearances in a gas turbine |
GB2396438B (en) * | 2002-12-20 | 2006-03-22 | Rolls Royce Plc | Rotor system |
FR2871513B1 (en) * | 2004-06-15 | 2006-09-22 | Snecma Moteurs Sa | SYSTEM AND METHOD FOR CONTROLLING AN AIR FLOW IN A GAS TURBINE |
US7455495B2 (en) * | 2005-08-16 | 2008-11-25 | United Technologies Corporation | Systems and methods for monitoring thermal growth and controlling clearances, and maintaining health of turbo machinery applications |
US8065022B2 (en) * | 2005-09-06 | 2011-11-22 | General Electric Company | Methods and systems for neural network modeling of turbine components |
RU2499892C1 (en) * | 2012-04-24 | 2013-11-27 | Николай Борисович Болотин | Gas turbine engine turbine |
RU2506435C2 (en) * | 2012-05-11 | 2014-02-10 | Николай Борисович Болотин | Gas turbine engine and method for radial clearance adjustment in gas turbine |
RU2499894C1 (en) * | 2012-05-11 | 2013-11-27 | Николай Борисович Болотин | Bypass gas turbine engine |
RU2496991C1 (en) * | 2012-05-21 | 2013-10-27 | Николай Борисович Болотин | Bypass gas turbine |
RU2499145C1 (en) * | 2012-05-21 | 2013-11-20 | Николай Борисович Болотин | Turbine of bypass gas turbine engine |
RU2501956C1 (en) * | 2012-07-31 | 2013-12-20 | Николай Борисович Болотин | Bypass gas turbine engine, method of radial gap adjustment in turbine of bypass gas turbine engine |
RU2519127C1 (en) * | 2013-04-24 | 2014-06-10 | Николай Борисович Болотин | Turbine of gas turbine engine and method for adjustment of radial clearance in turbine |
RU2546381C1 (en) * | 2014-02-26 | 2015-04-10 | Федеральное государственное унитарное предприятие "Научно-производственный центр газотурбостроения "Салют" (ФГУП "НПЦ газотурбостроения "Салют") | Adjustment method of radial clearance in turbine of gas-turbine engine |
FR3040070B1 (en) * | 2015-08-11 | 2019-05-10 | Safran Aircraft Engines | METHOD FOR DETECTING AN ASCENSIONAL THRUST CONTROL OF AN AIRCRAFT AND APPARATUS AND METHOD FOR CONTROLLING COOLING AIR FLOW RATE OF A RELATIVE LOW PRESSURE TURBINE |
FR3040069B1 (en) | 2015-08-11 | 2017-09-01 | Snecma | METHOD FOR DETECTING INCREASE IN THE REGIMEN OF A LOW PRESSURE TURBINE OF A REACTOR OF AN AIRCRAFT DURING A CRUISE PHASE, AND DEVICE AND METHOD FOR CONTROLLING THE AIR FLOW RATE OF A LOW PRESSURE TURBINE ASSOCIATED |
US10746042B2 (en) * | 2018-03-23 | 2020-08-18 | Raytheon Technologyies Corporation | Systems and methods for active clearance control based on selected operating mode |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2994472A (en) * | 1958-12-29 | 1961-08-01 | Gen Electric | Tip clearance control system for turbomachines |
US4019320A (en) * | 1975-12-05 | 1977-04-26 | United Technologies Corporation | External gas turbine engine cooling for clearance control |
GB1581855A (en) * | 1976-08-02 | 1980-12-31 | Gen Electric | Turbomachine performance |
GB2024336A (en) * | 1978-05-30 | 1980-01-09 | Rolls Royce | Gas turbine rotor tip clearance control apparatus |
DE2922835C2 (en) * | 1979-06-06 | 1985-06-05 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Circumferential gap seal on axial flow machines |
JPS5627002A (en) * | 1979-08-07 | 1981-03-16 | Toshiba Corp | Labyrinth seal of steam turbine |
GB2063374A (en) * | 1979-11-14 | 1981-06-03 | Plessey Co Ltd | Turbine Rotor Blade Tip Clearance Control |
GB2090333B (en) * | 1980-12-18 | 1984-04-26 | Rolls Royce | Gas turbine engine shroud/blade tip control |
-
1982
- 1982-06-09 GB GB08216720A patent/GB2104966B/en not_active Expired
- 1982-06-18 FR FR8210639A patent/FR2508670B1/en not_active Expired
- 1982-06-25 JP JP10965582A patent/JPS588204A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS588204A (en) | 1983-01-18 |
GB2104966A (en) | 1983-03-16 |
FR2508670B1 (en) | 1986-03-21 |
FR2508670A1 (en) | 1982-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920609 |