EP2914819A4 - Fluid-cooled seal arrangement for a gas turbine engine - Google Patents

Fluid-cooled seal arrangement for a gas turbine engine

Info

Publication number: EP2914819A4
Authority: EP; European Patent Office
Prior art keywords: fluid; gas turbine; turbine engine; seal arrangement; cooled seal
Prior art date: 2012-11-01
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP13874213.5A

Other languages

German (de)

French (fr)

Other versions

EP2914819A2 (en

Inventor

Stephen J Lyle

Fungayi Mutsengi

Ernest Boratgis

Santosh Ranganath

Christopher J Larson

M Rifat Ullah

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.)

2012-11-01

Filing date

2013-11-01

Publication date

2016-01-20

2013-11-01 Application filed by United Technologies Corp filed Critical United Technologies Corp

2015-09-09 Publication of EP2914819A2 publication Critical patent/EP2914819A2/en

2016-01-20 Publication of EP2914819A4 publication Critical patent/EP2914819A4/en

Status Withdrawn legal-status Critical Current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
- F01D11/005—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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/183—Sealing means
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/24—Three-dimensional ellipsoidal
- F05D2250/241—Three-dimensional ellipsoidal spherical
- 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
- Y10T29/4932—Turbomachine making

EP13874213.5A 2012-11-01 2013-11-01 Fluid-cooled seal arrangement for a gas turbine engine Withdrawn EP2914819A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/666,591 US20140119887A1 (en)	2012-11-01	2012-11-01	Fluid-cooled seal arrangement for a gas turbine engine
PCT/US2013/068053 WO2014120309A2 (en)	2012-11-01	2013-11-01	Fluid-cooled seal arrangement for a gas turbine engine

Publications (2)

Publication Number	Publication Date
EP2914819A2 EP2914819A2 (en)	2015-09-09
EP2914819A4 true EP2914819A4 (en)	2016-01-20

Family

ID=50547383

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13874213.5A Withdrawn EP2914819A4 (en)	2012-11-01	2013-11-01	Fluid-cooled seal arrangement for a gas turbine engine

Country Status (3)

Country	Link
US (1)	US20140119887A1 (en)
EP (1)	EP2914819A4 (en)
WO (1)	WO2014120309A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014138617A1 (en) *	2013-03-08	2014-09-12	United Technologies Corporation	Fluid-cooled seal arrangement for a gas turbine engine
US9631508B2 (en)	2013-06-13	2017-04-25	Pratt & Whitney Canada Corp.	Internally cooled seal runner
US20180045316A1 (en) *	2016-08-09	2018-02-15	United Technologies Corporation	Hydrodynamic seal seat cooling features
US20180087404A1 (en) *	2016-09-23	2018-03-29	Rolls-Royce Corporation	Oil distributor
US11028717B2 (en)	2017-06-26	2021-06-08	Raytheon Technologies Corporation	Bearing assembly for gas turbine engines
US10746051B2 (en) *	2018-09-21	2020-08-18	United Technologies Corporation	Hybrid wet-dry face seal seat
US10774684B2 (en) *	2018-10-24	2020-09-15	Raytheon Technologies Corporation	Gas turbine engine seal assemblies
US10975723B2 (en) *	2019-02-26	2021-04-13	Raytheon Technologies Corporation	Gas turbine engine including seal plate providing increased cooling adjacent contact area
US11248492B2 (en)	2019-03-18	2022-02-15	Raytheon Technologies Corporation	Seal assembly for a gas turbine engine
US11203948B2 (en)	2019-09-06	2021-12-21	Pratt & Whitney Canada Corp.	Seal runner and method
US11193389B2 (en) *	2019-10-18	2021-12-07	Raytheon Technologies Corporation	Fluid cooled seal land for rotational equipment seal assembly
US11441448B2 (en)	2020-02-13	2022-09-13	Raytheon Technologies Corporation	Impingement cooled rotating seal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1269951A (en) *	1916-08-28	1918-06-18	Frederick Livingstone Morris	Trolley-wheel and bearing therefor.
US2874803A (en) *	1955-07-26	1959-02-24	United Aircraft Corp	Lubrication means
US5725338A (en) *	1993-12-08	1998-03-10	Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma"	Drill bit having a hemispherical head with an evolutive cut
JP2007078072A (en) *	2005-09-14	2007-03-29	Toyota Industries Corp	Connecting rod of internal combustion engine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2857182A (en) *	1955-05-31	1958-10-21	Gen Motors Corp	Shaft seal
US2990202A (en) *	1958-09-18	1961-06-27	United Aircraft Corp	Labyrinth face seal plate
NL130801C (en) *	1961-02-10
US4928978A (en) *	1988-04-07	1990-05-29	United Technologies Corporation	Rotating shaft seal
US5284347A (en) *	1991-03-25	1994-02-08	General Electric Company	Gas bearing sealing means
US5685671A (en) *	1993-11-01	1997-11-11	Smith International, Inc.	Diamond or CBN fluted center cutting end mill
US5626347A (en) *	1994-09-29	1997-05-06	Alliedsignal Inc.	Coning resistant face seal having a "U" shape
US6196790B1 (en) *	1998-12-17	2001-03-06	United Technologies Corporation	Seal assembly for an intershaft seal in a gas turbine engine
EP1191188B1 (en) *	2000-09-26	2006-02-08	Mitsubishi Heavy Industries, Ltd.	Shaft structure for a steam cooled gas turbine
US8657297B2 (en) *	2004-05-28	2014-02-25	Stein Seal Company	Air riding seal
US20090051120A1 (en) *	2007-08-23	2009-02-26	United Technologies Corp.	Gas Turbine Engine Systems Involving Hydrostatic Face Seals
US8215895B2 (en) *	2008-03-03	2012-07-10	Rolls-Royce Corporation	Vapor phase lubrication system
US8490982B2 (en) *	2008-05-22	2013-07-23	Stein Seal Company	Windback device
US7931277B2 (en) *	2009-08-27	2011-04-26	Stein Seal Company	Hydrodynamic circumferential seal system for large translations
GB2473828B (en) *	2009-09-24	2011-08-10	Rolls Royce Plc	Oil seal assembly
US8845282B2 (en) *	2011-09-28	2014-09-30	United Technologies Corporation	Seal plate with cooling passage

2012
- 2012-11-01 US US13/666,591 patent/US20140119887A1/en not_active Abandoned
2013
- 2013-11-01 WO PCT/US2013/068053 patent/WO2014120309A2/en active Application Filing
- 2013-11-01 EP EP13874213.5A patent/EP2914819A4/en not_active Withdrawn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1269951A (en) *	1916-08-28	1918-06-18	Frederick Livingstone Morris	Trolley-wheel and bearing therefor.
US2874803A (en) *	1955-07-26	1959-02-24	United Aircraft Corp	Lubrication means
US5725338A (en) *	1993-12-08	1998-03-10	Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma"	Drill bit having a hemispherical head with an evolutive cut
JP2007078072A (en) *	2005-09-14	2007-03-29	Toyota Industries Corp	Connecting rod of internal combustion engine

Also Published As

Publication number	Publication date
US20140119887A1 (en)	2014-05-01
EP2914819A2 (en)	2015-09-09
WO2014120309A3 (en)	2014-10-16
WO2014120309A2 (en)	2014-08-07

Legal Events

Date	Code	Title	Description
2015-08-07	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
2015-09-09	17P	Request for examination filed	Effective date: 20150601
2015-09-09	AK	Designated contracting states	Kind code of ref document: A2 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
2015-09-09	AX	Request for extension of the european patent	Extension state: BA ME
2016-01-20	A4	Supplementary search report drawn up and despatched	Effective date: 20151223
2016-01-20	RIC1	Information provided on ipc code assigned before grant	Ipc: F01D 25/12 20060101AFI20151217BHEP Ipc: F01D 11/00 20060101ALI20151217BHEP Ipc: F04D 29/58 20060101ALI20151217BHEP Ipc: F02C 7/12 20060101ALI20151217BHEP
2016-02-10	DAX	Request for extension of the european patent (deleted)
2016-03-30	RIN1	Information on inventor provided before grant (corrected)	Inventor name: RANGANATH, SANTOSH Inventor name: LARSON, CHRISTOPHER J. Inventor name: BORATGIS, ERNEST Inventor name: MUTSENGI, FUNGAYI Inventor name: ULLAH, M RIFAT Inventor name: LYLE, STEPHEN J.
2016-10-26	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UNITED TECHNOLOGIES CORPORATION
2019-01-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2019-02-13	17Q	First examination report despatched	Effective date: 20190115
2020-11-08	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2020-11-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2020-12-09	INTG	Intention to grant announced	Effective date: 20201109
2021-03-24	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: RAYTHEON TECHNOLOGIES CORPORATION
2021-07-30	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
2021-09-01	18D	Application deemed to be withdrawn	Effective date: 20210320

Publication	Publication Date	Title
EP2914819A4 (en)	2016-01-20	Fluid-cooled seal arrangement for a gas turbine engine
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PL2912274T3 (en)	2019-09-30	Cooling arrangement for a gas turbine component
GB201308602D0 (en)	2013-06-19	A Shroud Arrangement for a Gas Turbine Engine
EP2855897A4 (en)	2015-07-15	Protecting operating margin of a gas turbine engine
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EP2817496A4 (en)	2015-12-23	Turbine frame fairing for a gas turbine engine
GB2506795B (en)	2018-05-09	Labyrinth seal for gas turbine engine turbine
EP3039269A4 (en)	2016-09-07	Seal for gas turbine engine
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GB201308603D0 (en)	2013-06-19	A Shroud Arrangement for a Gas Turbine Engine
EP2880278A4 (en)	2015-09-09	Anti-rotation lug for a gas turbine engine stator assembly
EP2809907A4 (en)	2015-10-28	Buffer system for a gas turbine engine
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GB201308604D0 (en)	2013-06-19	A shroud arrangement for a gas turbine engine
EP2852744A4 (en)	2016-07-20	Shield system for gas turbine engine
EP2844855A4 (en)	2016-03-30	Manifold for gas turbine engine
EP2877709A4 (en)	2016-08-03	Blade outer air seal for a gas turbine engine
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