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GB201708744D0 - Clearance control arrangement - Google Patents

Clearance control arrangement

Info

Publication number
GB201708744D0
GB201708744D0 GBGB1708744.6A GB201708744A GB201708744D0 GB 201708744 D0 GB201708744 D0 GB 201708744D0 GB 201708744 A GB201708744 A GB 201708744A GB 201708744 D0 GB201708744 D0 GB 201708744D0
Authority
GB
United Kingdom
Prior art keywords
control arrangement
clearance control
clearance
arrangement
control
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.)
Ceased
Application number
GBGB1708744.6A
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GBGB1708744.6A priority Critical patent/GB201708744D0/en
Publication of GB201708744D0 publication Critical patent/GB201708744D0/en
Priority to EP18171196.1A priority patent/EP3409900A1/en
Priority to US15/995,525 priority patent/US20180347391A1/en
Ceased 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
    • F01D11/24—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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/14—Casings modified therefor
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/14—Casings or housings protecting or supporting assemblies within
    • 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
    • F05D2240/55—Seals
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GBGB1708744.6A 2017-06-01 2017-06-01 Clearance control arrangement Ceased GB201708744D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB1708744.6A GB201708744D0 (en) 2017-06-01 2017-06-01 Clearance control arrangement
EP18171196.1A EP3409900A1 (en) 2017-06-01 2018-05-08 Clearance control arrangement and corresponding gas turbine engine
US15/995,525 US20180347391A1 (en) 2017-06-01 2018-06-01 Clearance control arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1708744.6A GB201708744D0 (en) 2017-06-01 2017-06-01 Clearance control arrangement

Publications (1)

Publication Number Publication Date
GB201708744D0 true GB201708744D0 (en) 2017-07-19

Family

ID=59349941

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1708744.6A Ceased GB201708744D0 (en) 2017-06-01 2017-06-01 Clearance control arrangement

Country Status (3)

Country Link
US (1) US20180347391A1 (en)
EP (1) EP3409900A1 (en)
GB (1) GB201708744D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10830050B2 (en) * 2019-01-31 2020-11-10 General Electric Company Unitary body turbine shrouds including structural breakdown and collapsible features
US11255200B2 (en) 2020-01-28 2022-02-22 Rolls-Royce Plc Gas turbine engine with pre-conditioned ceramic matrix composite components
KR102299164B1 (en) 2020-03-31 2021-09-07 두산중공업 주식회사 Apparatus for controlling tip clearance of turbine blade and gas turbine compring the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5127793A (en) * 1990-05-31 1992-07-07 General Electric Company Turbine shroud clearance control assembly
FR2803871B1 (en) * 2000-01-13 2002-06-07 Snecma Moteurs DIAMETER ADJUSTMENT ARRANGEMENT OF A GAS TURBINE STATOR
GB0403198D0 (en) * 2004-02-13 2004-03-17 Rolls Royce Plc Casing arrangement
GB2420830B (en) * 2004-12-01 2007-01-03 Rolls Royce Plc Improved casing arrangement
US7296967B2 (en) * 2005-09-13 2007-11-20 General Electric Company Counterflow film cooled wall
EP2098688A1 (en) * 2008-03-07 2009-09-09 Siemens Aktiengesellschaft Gas turbine
EP3040519B1 (en) * 2014-12-16 2017-04-26 Rolls-Royce plc Tip clearance control for turbine blades
GB201508323D0 (en) * 2015-05-15 2015-06-24 Rolls Royce Plc A wall cooling arrangement for a gas turbine engine

Also Published As

Publication number Publication date
US20180347391A1 (en) 2018-12-06
EP3409900A1 (en) 2018-12-05

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)