GB201704204D0 - Method, system, and apparatus for reducing a turbine clearance - Google Patents

Method, system, and apparatus for reducing a turbine clearance

Info

Publication number
GB201704204D0
GB201704204D0 GBGB1704204.5A GB201704204A GB201704204D0 GB 201704204 D0 GB201704204 D0 GB 201704204D0 GB 201704204 A GB201704204 A GB 201704204A GB 201704204 D0 GB201704204 D0 GB 201704204D0
Authority
GB
United Kingdom
Prior art keywords
reducing
turbine clearance
turbine
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.)
Withdrawn
Application number
GBGB1704204.5A
Other versions
GB2552048A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US15/077,731 external-priority patent/US9758252B2/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB201704204D0 publication Critical patent/GB201704204D0/en
Publication of GB2552048A publication Critical patent/GB2552048A/en
Withdrawn legal-status Critical Current

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
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/301—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/304—Spool rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/40—Type of control system
    • F05D2270/44—Type of control system active, predictive, or anticipative

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1704204.5A 2016-03-22 2017-03-16 Method, system, and apparatus for reducing a turbine clearance Withdrawn GB2552048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/077,731 US9758252B2 (en) 2012-08-23 2016-03-22 Method, system, and apparatus for reducing a turbine clearance

Publications (2)

Publication Number Publication Date
GB201704204D0 true GB201704204D0 (en) 2017-05-03
GB2552048A GB2552048A (en) 2018-01-10

Family

ID=58688352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1704204.5A Withdrawn GB2552048A (en) 2016-03-22 2017-03-16 Method, system, and apparatus for reducing a turbine clearance

Country Status (1)

Country Link
GB (1) GB2552048A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11339678B2 (en) * 2018-07-19 2022-05-24 Raytheon Technologies Corporation Systems and methods for controlling blade tip clearances
FR3098845B1 (en) 2019-07-19 2021-12-24 Safran Aircraft Engines Method for controlling a clearance control valve during a stepped climb in the cruising phase

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856272A (en) * 1988-05-02 1989-08-15 United Technologies Corporation Method for maintaining blade tip clearance
US5088885A (en) * 1989-10-12 1992-02-18 United Technologies Corporation Method for protecting gas turbine engine seals
US7596954B2 (en) * 2004-07-09 2009-10-06 United Technologies Corporation Blade clearance control
WO2015153171A1 (en) * 2014-03-31 2015-10-08 United Technologies Corporation Active clearance control for gas turbine engine
DE102014214915B3 (en) * 2014-07-30 2015-12-10 MTU Aero Engines AG Housing for a gas turbine, aircraft engine and a method for operating a gas turbine
GB201518641D0 (en) * 2015-10-21 2015-12-02 Rolls Royce Plc A system and method

Also Published As

Publication number Publication date
GB2552048A (en) 2018-01-10

Similar Documents

Publication Publication Date Title
GB2594423B (en) System, apparatus and method
HK1257811A1 (en) Method, system and apparatus
DK3183416T3 (en) An apparatus for sealing a bore, a system comprising the apparatus and a method for using the apparatus
EP3253140A4 (en) Apparatus, system and method for coordinating positioning parameters
GB201609156D0 (en) Apparatus, system and method for braking
GB201608270D0 (en) Method, system and apparatus
EP3736219C0 (en) Apparatus for folding out, corresponding method and system
GB2545719B (en) System and method for controlling a wind turbine
PT3414812T (en) Apparatus, system and method for power extraction
GB201605261D0 (en) Method and system for summarizing a document
EP3445969A4 (en) A method, system and apparatus for operating a hydraulic turbine
NO346050B1 (en) Method and system for operating a drilling plant
GB201615620D0 (en) A computerized method and a system for dynamic communication
PL3471887T3 (en) System, method and apparatus for upgrading a pulverizer
PL3649029T3 (en) Cableway and method for operating a cableway
GB201501809D0 (en) Apparatus, system and method
GB201704204D0 (en) Method, system, and apparatus for reducing a turbine clearance
PL3075626T3 (en) Method and system for operating a railway system
SG10201607610SA (en) Method, system, and apparatus for operating a kinetic typography service
GB2562629B (en) Apparatus, method and system for plugging a well bore
EP3325899A4 (en) A subsystem for a vapour-compression system, a vapour-compression system, and a method for a vapour- compression system
PL3096298T3 (en) Method for operation a locking system and locking system
HK1256466A1 (en) A method for operating a system and a system
GB2559401B (en) Apparatus and method for a hydraulic valvetrain system
GB201805867D0 (en) System, apparatus and method for adjusting a weir

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)