EP2112330A3 - Gebläseschaufel - Google Patents

Gebläseschaufel Download PDF

Info

Publication number
EP2112330A3
EP2112330A3 EP09250835.7A EP09250835A EP2112330A3 EP 2112330 A3 EP2112330 A3 EP 2112330A3 EP 09250835 A EP09250835 A EP 09250835A EP 2112330 A3 EP2112330 A3 EP 2112330A3
Authority
EP
European Patent Office
Prior art keywords
tip portion
fan
fan blade
fan case
gap
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Withdrawn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
EP09250835.7A
Other languages
English (en)
French (fr)
Other versions
EP2112330A2 (de
Inventor
Kristofer John Bottome
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
Publication of EP2112330A2 publication Critical patent/EP2112330A2/de
Publication of EP2112330A3 publication Critical patent/EP2112330A3/de
Withdrawn legal-status Critical Current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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP09250835.7A 2008-04-23 2009-03-24 Gebläseschaufel Withdrawn EP2112330A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0807358.7A GB0807358D0 (en) 2008-04-23 2008-04-23 Fan blade

Publications (2)

Publication Number Publication Date
EP2112330A2 EP2112330A2 (de) 2009-10-28
EP2112330A3 true EP2112330A3 (de) 2017-11-08

Family

ID=39494072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09250835.7A Withdrawn EP2112330A3 (de) 2008-04-23 2009-03-24 Gebläseschaufel

Country Status (4)

Country Link
US (1) US20090269189A1 (de)
EP (1) EP2112330A3 (de)
JP (1) JP2009264383A (de)
GB (1) GB0807358D0 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201015006D0 (en) * 2010-09-09 2010-10-20 Rolls Royce Plc Fan blade with winglet
US8845283B2 (en) * 2010-11-29 2014-09-30 General Electric Company Compressor blade with flexible tip elements and process therefor
US9845683B2 (en) 2013-01-08 2017-12-19 United Technology Corporation Gas turbine engine rotor blade
FR3027622B1 (fr) * 2014-10-28 2018-11-09 Safran Aircraft Engines Aube de rotor a pilotage de jeu actif, ensemble tournant et son procede de fonctionnement
US10385865B2 (en) 2016-03-07 2019-08-20 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US10633983B2 (en) 2016-03-07 2020-04-28 General Electric Company Airfoil tip geometry to reduce blade wear in gas turbine engines
US11168702B2 (en) * 2017-08-10 2021-11-09 Raytheon Technologies Corporation Rotating airfoil with tip pocket
US10533575B2 (en) * 2017-09-06 2020-01-14 United Technologies Corporation Fan blade tip with frangible strip
US11286037B2 (en) 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11286036B2 (en) * 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11565799B2 (en) 2020-06-12 2023-01-31 Textron Innovations Inc. Adjustable ducted rotor blade tip extension
US11407504B2 (en) 2020-06-19 2022-08-09 Textron Innovations Inc. Tip gap control systems with inner duct control surfaces
US11370536B2 (en) * 2020-06-19 2022-06-28 Textron Innovations Inc. Tip gap control systems with active blade tips
US11479350B2 (en) 2020-06-19 2022-10-25 Textron Innovations Inc. Tip gap monitoring systems for ducted aircraft
CN114576202B (zh) * 2022-02-28 2022-12-06 北京航空航天大学 一种叶片结构、压气机及压气机控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117716A (en) * 1963-04-10 1964-01-14 Bell Aerospace Corp Ducted rotor
US5628622A (en) * 1994-09-14 1997-05-13 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Composite material turbine engine blade equipped with a seal and its production process
US6206642B1 (en) * 1998-12-17 2001-03-27 United Technologies Corporation Compressor blade for a gas turbine engine
US20050058539A1 (en) * 2003-09-12 2005-03-17 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
US20050175447A1 (en) * 2004-02-09 2005-08-11 Siemens Westinghouse Power Corporation Compressor airfoils with movable tips

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638238Y2 (de) * 1976-04-22 1981-09-07
JPS62142805A (ja) * 1985-12-18 1987-06-26 Toshiba Corp 軸流流体機械の動翼
US6499940B2 (en) * 2001-03-19 2002-12-31 Williams International Co., L.L.C. Compressor casing for a gas turbine engine
GB2406615B (en) * 2003-10-03 2005-11-30 Rolls Royce Plc A gas turbine engine blade containment assembly
EP1624192A1 (de) * 2004-08-06 2006-02-08 Siemens Aktiengesellschaft Verdichterschaufel für einen Verdichter und Verdichter
GB0510538D0 (en) * 2005-05-24 2005-06-29 Rolls Royce Plc A rotor blade containment assembly for a gas turbine engine
US7549841B1 (en) * 2005-09-03 2009-06-23 Florida Turbine Technologies, Inc. Pressure balanced centrifugal tip seal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117716A (en) * 1963-04-10 1964-01-14 Bell Aerospace Corp Ducted rotor
US5628622A (en) * 1994-09-14 1997-05-13 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Composite material turbine engine blade equipped with a seal and its production process
US6206642B1 (en) * 1998-12-17 2001-03-27 United Technologies Corporation Compressor blade for a gas turbine engine
US20050058539A1 (en) * 2003-09-12 2005-03-17 Siemens Westinghouse Power Corporation Turbine blade tip clearance control device
US20050175447A1 (en) * 2004-02-09 2005-08-11 Siemens Westinghouse Power Corporation Compressor airfoils with movable tips

Also Published As

Publication number Publication date
JP2009264383A (ja) 2009-11-12
US20090269189A1 (en) 2009-10-29
GB0807358D0 (en) 2008-05-28
EP2112330A2 (de) 2009-10-28

Similar Documents

Publication Publication Date Title
EP2112330A3 (de) Gebläseschaufel
EP2022949B8 (de) Gebläseeinheit eines Gasturbinentriebwerks, zugehöriges Gasturbinentriebwerk und Betriebsverfahren
WO2009126191A3 (en) Sealing arrangement for turbine engine having ceramic components
EP2208860A3 (de) Dichtung zwischen Stufen einer Gasturbine und zugehörige Gasturbine
EP2395201A3 (de) Federbelastete Dichtanordnung für Turbinen
GB2434179B (en) Turbofan gas turbine engine fan rotor arrangement
EP2270337A4 (de) Laufschaufel eines gasturbinenmotors für ein flugzeug und herstellungsverfahren dafür
EP1898051B8 (de) Gasturbinenschaufel mit Kühlung der Leitkante
EP2535548A3 (de) Turbinenabschnitt eines Turbofan-Strahlmotors mit hohem Nebenstromverhältnis
GB2430988B (en) Seals for turbines and turbo machinery
GB0523469D0 (en) Blades for gas turbine engines
GB2452515B (en) Seal coating between rotor blade and rotor disk slot in gas turbine engine
WO2011139582A3 (en) Exhaust-gas turbocharger
EP2143888A3 (de) Dampfturbine und Verfahren zum Kühlen einer Dampfturbine
EP2230387A3 (de) Gehäuseanordnung eines Gasturbinen-Triebwerks zur Reduzierung des Rotor-Laufspalts
WO2009022448A1 (ja) ターボチャージャ
PL2099582T3 (pl) Urządzenie i sposób naprawy lub wytwarzania końców łopatek turbiny gazowej, w szczególności silnika lotniczego
FR2963383B1 (fr) Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
GB2427659B (en) A turbofan gas turbine engine fan blade and a turbofan gas turbine engine fan rotor arrangement
GB201101287D0 (en) System and method of operating a gas turbine engine with an alternate working fluid
GB2436366B (en) Monitoring gas turbine engines
UA96588C2 (ru) Динамическое щеточное уплотнение, турбина, которая содержит такое уплотнение, и газотурбинный двигатель
GB201011325D0 (en) Compressor blade tip clearance control system with a plasma actuator, compressor and gas turbine engine with such a control system
EP2977618A3 (de) Gasturbinenmotor mit einer mantelringanordnung und zugehöriges montageverfahren
GB2427901B (en) A turbofan gas turbine engine fan blade having a tip groove

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ROLLS-ROYCE PLC

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 11/12 20060101AFI20170915BHEP

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AKX Designation fees paid

Designated state(s): DE FR GB

AXX Extension fees paid

Extension state: BA

Extension state: RS

Extension state: AL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180609