EP2932039A4 - Fan with integral shroud - Google Patents
Fan with integral shroudInfo
- 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- Withdrawn
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-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
- F01D21/045—Shutting-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
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
-
- 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
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
-
- 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
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/12—Light metals
- F05D2300/121—Aluminium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/133—Titanium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/173—Aluminium alloys, e.g. AlCuMgPb
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/174—Titanium alloys, e.g. TiAl
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/614—Fibres or filaments
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
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)
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)
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)
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 |
-
2012
- 2012-12-17 US US13/716,959 patent/US20140169972A1/en not_active Abandoned
-
2013
- 2013-12-04 WO PCT/US2013/072993 patent/WO2014099365A1/en active Application Filing
- 2013-12-04 EP EP13863829.1A patent/EP2932039A4/en not_active Withdrawn
Patent Citations (10)
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)
Title |
---|
See also references of WO2014099365A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20140169972A1 (en) | 2014-06-19 |
EP2932039A1 (en) | 2015-10-21 |
WO2014099365A1 (en) | 2014-06-26 |
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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 |