EP2932039A4 - Fan with integral shroud - Google Patents

Fan with integral shroud

Info

Publication number
EP2932039A4
EP2932039A4 EP13863829.1A EP13863829A EP2932039A4 EP 2932039 A4 EP2932039 A4 EP 2932039A4 EP 13863829 A EP13863829 A EP 13863829A EP 2932039 A4 EP2932039 A4 EP 2932039A4
Authority
EP
European Patent Office
Prior art keywords
fan
integral shroud
shroud
integral
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Withdrawn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
EP13863829.1A
Other languages
German (de)
French (fr)
Other versions
EP2932039A1 (en
Inventor
Gabriel L Suciu
Jesse M Chandler
Brian D Merry
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of EP2932039A1 publication Critical patent/EP2932039A1/en
Publication of EP2932039A4 publication Critical patent/EP2932039A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/22Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/045Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/34Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00Application
    • F05D2220/30Application in turbines
    • F05D2220/36Application in turbines specially adapted for the fan of turbofan engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00Manufacture
    • F05D2230/50Building or constructing in particular ways
    • F05D2230/53Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/96Preventing, counteracting or reducing vibration or noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/12Light metals
    • F05D2300/121Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/13Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
    • F05D2300/133Titanium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • F05D2300/173Aluminium alloys, e.g. AlCuMgPb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • F05D2300/174Titanium alloys, e.g. TiAl
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603Composites; e.g. fibre-reinforced
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/614Fibres or filaments
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
EP13863829.1A 2012-12-17 2013-12-04 Fan with integral shroud Withdrawn EP2932039A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/716,959 US20140169972A1 (en) 2012-12-17 2012-12-17 Fan with integral shroud
PCT/US2013/072993 WO2014099365A1 (en) 2012-12-17 2013-12-04 Fan with integral shroud

Publications (2)

Publication Number Publication Date
EP2932039A1 EP2932039A1 (en) 2015-10-21
EP2932039A4 true EP2932039A4 (en) 2015-12-23

Family

ID=50931097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13863829.1A Withdrawn EP2932039A4 (en) 2012-12-17 2013-12-04 Fan with integral shroud

Country Status (3)

Country Link
US (1) US20140169972A1 (en)
EP (1) EP2932039A4 (en)
WO (1) WO2014099365A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140212261A1 (en) * 2012-12-19 2014-07-31 United Technologies Corporation Lightweight shrouded fan
FR3025562B1 (en) * 2014-09-04 2019-08-23 Safran Aircraft Engines MONOBLOC AUBING DISC FOR A TURBOMACHINE
FR3027353B1 (en) * 2014-10-15 2016-10-21 Snecma TURBOMACHINE WHEEL
US10421553B2 (en) 2015-01-20 2019-09-24 United Technologies Corporation Pusher fan engine with in wing configuration
US10626884B2 (en) * 2016-12-09 2020-04-21 Hamilton Sundstrand Corporation Systems and methods for making airfoils
GB201704657D0 (en) 2017-03-24 2017-05-10 Rolls Royce Plc Gas turbine engine
US10557412B2 (en) * 2017-05-30 2020-02-11 United Technologies Corporation Systems for reducing deflection of a shroud that retains fan exit stators
US10724535B2 (en) 2017-11-14 2020-07-28 Raytheon Technologies Corporation Fan assembly of a gas turbine engine with a tip shroud

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952442A (en) * 1957-05-28 1960-09-13 Studebaker Packard Corp Rotating shroud
US3556675A (en) * 1969-01-29 1971-01-19 Gen Electric Turbomachinery rotor with integral shroud
US5201850A (en) * 1991-02-15 1993-04-13 General Electric Company Rotor tip shroud damper including damper wires
US6223524B1 (en) * 1998-01-23 2001-05-01 Diversitech, Inc. Shrouds for gas turbine engines and methods for making the same
US6454535B1 (en) * 2000-10-31 2002-09-24 General Electric Company Blisk
US20050220621A1 (en) * 2002-09-03 2005-10-06 United Technologies Corporation Composite integrally bladed rotor
WO2006062451A1 (en) * 2004-12-08 2006-06-15 Volvo Aero Corporation A wheel for a rotating flow machine
US20080016688A1 (en) * 2006-07-19 2008-01-24 Snecma Process for manufacturing a blisk and mold for implementing the process
DE102010021220A1 (en) * 2010-05-21 2011-11-24 Mtu Aero Engines Gmbh Rotor for turbine engine, has rotor base body and blades arranged on periphery of rotor base body, where cable is provided for receiving centrifugal force
CN102418562A (en) * 2011-08-15 2012-04-18 清华大学 Fiber winding prestress turbine rotor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008526A (en) * 1964-04-09 1965-10-27 Rolls Royce Axial flow bladed rotor, e.g. for a turbine
US4464094A (en) * 1979-05-04 1984-08-07 Trw Inc. Turbine engine component and method of making the same
IT1241368B (en) * 1990-12-21 1994-01-10 Fiatgeotech AXIAL FAN, PARTICULARLY FOR AGRICULTURAL VEHICLES.
US5522705A (en) * 1994-05-13 1996-06-04 United Technologies Corporation Friction damper for gas turbine engine blades
US8206086B1 (en) * 2008-04-22 2012-06-26 Florida Turbine Technologies, Inc. Turbofan hybrid metallic and plastic inlet case
WO2012091821A1 (en) * 2010-12-30 2012-07-05 General Electric Company Apparatus and method for measuring runout
US8105039B1 (en) * 2011-04-01 2012-01-31 United Technologies Corp. Airfoil tip shroud damper

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952442A (en) * 1957-05-28 1960-09-13 Studebaker Packard Corp Rotating shroud
US3556675A (en) * 1969-01-29 1971-01-19 Gen Electric Turbomachinery rotor with integral shroud
US5201850A (en) * 1991-02-15 1993-04-13 General Electric Company Rotor tip shroud damper including damper wires
US6223524B1 (en) * 1998-01-23 2001-05-01 Diversitech, Inc. Shrouds for gas turbine engines and methods for making the same
US6454535B1 (en) * 2000-10-31 2002-09-24 General Electric Company Blisk
US20050220621A1 (en) * 2002-09-03 2005-10-06 United Technologies Corporation Composite integrally bladed rotor
WO2006062451A1 (en) * 2004-12-08 2006-06-15 Volvo Aero Corporation A wheel for a rotating flow machine
US20080016688A1 (en) * 2006-07-19 2008-01-24 Snecma Process for manufacturing a blisk and mold for implementing the process
DE102010021220A1 (en) * 2010-05-21 2011-11-24 Mtu Aero Engines Gmbh Rotor for turbine engine, has rotor base body and blades arranged on periphery of rotor base body, where cable is provided for receiving centrifugal force
CN102418562A (en) * 2011-08-15 2012-04-18 清华大学 Fiber winding prestress turbine rotor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014099365A1 *

Also Published As

Publication number Publication date
EP2932039A1 (en) 2015-10-21
US20140169972A1 (en) 2014-06-19
WO2014099365A1 (en) 2014-06-26

Similar Documents

Publication Publication Date Title
GB2500274B (en) Fan
HK1203224A1 (en) Fan with resilient hub
GB2503907B (en) A fan assembly
SG11201405367VA (en) A fan assembly
GB201203889D0 (en) A fan assembly
GB201203896D0 (en) A fan assembly
GB201203909D0 (en) A fan assembly
GB201203895D0 (en) A fan assembly
GB201202000D0 (en) A fan assembly
GB201203923D0 (en) A fan assembly
GB201516357D0 (en) A fan
GB201412087D0 (en) A fan
GB201223092D0 (en) A fan
GB201221429D0 (en) Impeller shaft
GB201200899D0 (en) A fan
EP2846045A4 (en) Fan
GB2501301B (en) A fan assembly
EP2935787A4 (en) Lightweight shrouded fan blade
EP2859188A4 (en) Fan blade platform
EP2867475A4 (en) Airfoil cooling arrangement
GB201215908D0 (en) Fan blade
EP2932039A4 (en) Fan with integral shroud
EP2889489A4 (en) Cross-flow fan
TWI563177B (en) Fan assembly
EP2937570A4 (en) Centrifugal fan

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

17P Request for examination filed

Effective date: 20150716

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL 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 RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20151119

RIC1 Information provided on ipc code assigned before grant

Ipc: B23P 15/00 20060101ALI20151113BHEP

Ipc: F01D 5/22 20060101AFI20151113BHEP

Ipc: F01D 5/34 20060101ALI20151113BHEP

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UNITED TECHNOLOGIES CORPORATION

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: 20160621