EP2904215A4 - Sheath with extended wings - Google Patents

Sheath with extended wings

Info

Publication number: EP2904215A4
Authority: EP; European Patent Office
Prior art keywords: sheath; extended wings; wings; extended
Prior art date: 2012-10-01
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP13843675.3A

Other languages

German (de)

French (fr)

Other versions

EP2904215A1 (en

Inventor

Lee Drozdenko

Patrick James Mccomb

William R Graves

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.)

RTX 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.)

2012-10-01

Filing date

2013-10-01

Publication date

2016-08-03

2013-10-01 Application filed by United Technologies Corp filed Critical United Technologies Corp

2015-08-12 Publication of EP2904215A1 publication Critical patent/EP2904215A1/en

2016-08-03 Publication of EP2904215A4 publication Critical patent/EP2904215A4/en

Status Withdrawn legal-status Critical Current

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
- F01D5/14—Form or construction
- 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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
- 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
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- 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
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
- 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
- F04D29/324—Blades
- 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
- F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
- 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
- F05D2240/303—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 leading edge of a rotor blade
- 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
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Architecture (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

EP13843675.3A 2012-10-01 2013-10-01 Sheath with extended wings Withdrawn EP2904215A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/632,288 US20140219808A1 (en)	2012-10-01	2012-10-01	Sheath with extended wings
PCT/US2013/062841 WO2014055499A1 (en)	2012-10-01	2013-10-01	Sheath with extended wings

Publications (2)

Publication Number	Publication Date
EP2904215A1 EP2904215A1 (en)	2015-08-12
EP2904215A4 true EP2904215A4 (en)	2016-08-03

Family

ID=50435362

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13843675.3A Withdrawn EP2904215A4 (en)	2012-10-01	2013-10-01	Sheath with extended wings

Country Status (3)

Country	Link
US (1)	US20140219808A1 (en)
EP (1)	EP2904215A4 (en)
WO (1)	WO2014055499A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3045711B1 (en) *	2015-12-21	2018-01-26	Safran Aircraft Engines	ATTACK SHIELD
FR3045712B1 (en)	2015-12-21	2020-11-13	Snecma	ATTACK EDGE SHIELD
US10927707B2 (en) *	2018-12-07	2021-02-23	Raytheon Technologies Corporation	Diffuser case heat shields
GB201900911D0 (en)	2019-01-23	2019-03-13	Rolls Royce Plc	A method of forming a protective sheath for an aerofoil component

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050278950A1 (en) *	2004-03-08	2005-12-22	Snecma Moteurs	Process for manufacturing a reinforcing leading or trailing edge for a fan blade
EP2348192A2 (en) *	2010-01-26	2011-07-27	United Technologies Corporation	Fan airfoil sheath
US20110211967A1 (en) *	2010-02-26	2011-09-01	United Technologies Corporation	Hybrid metal fan blade

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3892612A (en) *	1971-07-02	1975-07-01	Gen Electric	Method for fabricating foreign object damage protection for rotar blades
US5346367A (en) *	1984-12-21	1994-09-13	United Technologies Corporation	Advanced composite rotor blade
US6004101A (en) *	1998-08-17	1999-12-21	General Electric Company	Reinforced aluminum fan blade
US20110116906A1 (en) *	2009-11-17	2011-05-19	Smith Blair A	Airfoil component wear indicator

2012
- 2012-10-01 US US13/632,288 patent/US20140219808A1/en not_active Abandoned
2013
- 2013-10-01 EP EP13843675.3A patent/EP2904215A4/en not_active Withdrawn
- 2013-10-01 WO PCT/US2013/062841 patent/WO2014055499A1/en active Application Filing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050278950A1 (en) *	2004-03-08	2005-12-22	Snecma Moteurs	Process for manufacturing a reinforcing leading or trailing edge for a fan blade
EP2348192A2 (en) *	2010-01-26	2011-07-27	United Technologies Corporation	Fan airfoil sheath
US20110211967A1 (en) *	2010-02-26	2011-09-01	United Technologies Corporation	Hybrid metal fan blade

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014055499A1 *

Also Published As

Publication number	Publication date
US20140219808A1 (en)	2014-08-07
EP2904215A1 (en)	2015-08-12
WO2014055499A1 (en)	2014-04-10

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Legal Events

Date	Code	Title	Description
2015-07-10	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
2015-08-12	17P	Request for examination filed	Effective date: 20150428
2015-08-12	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
2015-08-12	AX	Request for extension of the european patent	Extension state: BA ME
2015-10-28	RIN1	Information on inventor provided before grant (corrected)	Inventor name: DROZDENKO, LEE Inventor name: MCCOMB, PATRICK, JAMES Inventor name: GRAVES, WILLIAM, R.
2016-01-06	DAX	Request for extension of the european patent (deleted)
2016-08-03	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20160705
2016-08-03	RIC1	Information provided on ipc code assigned before grant	Ipc: F01D 11/08 20060101ALI20160630BHEP Ipc: F04D 29/32 20060101ALI20160630BHEP Ipc: F01D 5/30 20060101AFI20160630BHEP Ipc: F01D 5/14 20060101ALI20160630BHEP Ipc: F02C 7/00 20060101ALI20160630BHEP Ipc: F02K 3/00 20060101ALI20160630BHEP
2016-10-26	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UNITED TECHNOLOGIES CORPORATION
2017-07-07	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
2017-08-09	18D	Application deemed to be withdrawn	Effective date: 20170202