EP4364275A4 - Ensemble bague d'aube de stator variable - Google Patents

Ensemble bague d'aube de stator variable

Info

Publication number: EP4364275A4
Authority: EP; European Patent Office
Prior art keywords: stator vane; bushing assembly; variable stator; vane bushing; variable
Prior art date: 2021-06-30
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.): Pending

Application number

EP22834389.3A

Other languages

German (de)

English (en)

Other versions

EP4364275A1 (fr

Inventor

Nafih Mekhilef

Christian MURPHY

Jean-Marie Lebrun

Arnaud Verger

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.)

Saint Gobain Performance Plastics Corp

Original Assignee

Saint Gobain Performance Plastics 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.)

2021-06-30

Filing date

2022-06-28

Publication date

2025-04-23

2022-06-28 Application filed by Saint Gobain Performance Plastics Corp filed Critical Saint Gobain Performance Plastics Corp

2024-05-08 Publication of EP4364275A1 publication Critical patent/EP4364275A1/fr

2025-04-23 Publication of EP4364275A4 publication Critical patent/EP4364275A4/fr

Status Pending 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
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
- F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
- F01D25/164—Flexible supports; Vibration damping means associated with the bearing
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/166—Sliding contact bearing
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/063—Sliding contact bearings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0829—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial loading of both hub and shaft by an intermediate ring or sleeve
- F16D1/0835—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial loading of both hub and shaft by an intermediate ring or sleeve due to the elasticity of the ring or sleeve
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
- 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
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
- 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
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/38—Retaining components in desired mutual position by a spring, i.e. spring loaded or biased towards a certain position
- 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
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/305—Tolerances
- 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
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
- 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
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/502—Thermal properties
- F05D2300/5021—Expansivity

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Power Engineering (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Control Of Turbines (AREA)
Turbine Rotor Nozzle Sealing (AREA)

EP22834389.3A 2021-06-30 2022-06-28 Ensemble bague d'aube de stator variable Pending EP4364275A4 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US202163216937P	2021-06-30	2021-06-30
PCT/US2022/073217 WO2023278993A1 (fr)	2021-06-30	2022-06-28	Ensemble bague d'aube de stator variable

Publications (2)

Publication Number	Publication Date
EP4364275A1 EP4364275A1 (fr)	2024-05-08
EP4364275A4 true EP4364275A4 (fr)	2025-04-23

Family

ID=84692990

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP22834389.3A Pending EP4364275A4 (fr)	2021-06-30	2022-06-28	Ensemble bague d'aube de stator variable

Country Status (6)

Country	Link
EP (1)	EP4364275A4 (fr)
JP (1)	JP7590602B2 (fr)
CN (1)	CN117397147B (fr)
BR (1)	BR112023026214A2 (fr)
CA (1)	CA3223019A1 (fr)
WO (1)	WO2023278993A1 (fr)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3122399A (en) *	1962-04-11	1964-02-25	David U Hunter	Self-balancing bearing construction
US3318642A (en) *	1963-10-17	1967-05-09	Bunting Brass & Bronze Co	Self-aligning bearing
US3348887A (en) *	1965-03-04	1967-10-24	Black & Decker Mfg Co	Combination tolerance ring and bearing journal member
GB1103714A (en) *	1964-08-04	1968-02-21	Metzeler Ag	A bearing bush made of synthetic plastics material
US20080031730A1 (en) *	2006-06-21	2008-02-07	Snecma	Bearing for variable pitch stator vane
WO2008021890A2 (fr) *	2006-08-15	2008-02-21	Intri-Plex Technologies, Inc.	Bague de tolérance présentant diverses conceptions d'onglets d'extrémité pour éviter son blocage
DE102012200623A1 (de) *	2012-01-17	2013-07-18	Bosch Mahle Turbo Systems Gmbh & Co. Kg	Ladeeinrichtung
EP2304260B1 (fr) *	2008-07-01	2014-03-26	Saint-Gobain Performance Plastics Rencol Ltd.	Bague de tolérance
WO2014143097A1 (fr) *	2013-03-15	2014-09-18	Stein Seal Company	Joint circonférentiel avec patin en céramique
US9388732B2 (en) *	2011-01-07	2016-07-12	Borgwarner Inc.	Spring biased sealing method for an actuating shaft
US9976438B2 (en) *	2014-09-26	2018-05-22	Rolls-Royce Detschland Ltd & Co KG	Stator vane adjusting device of a gas turbine
US20190063459A1 (en) *	2017-08-23	2019-02-28	Hanwha Aerospace Co., Ltd.	Inlet guide vane assembly

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4981390A (en) *	1987-03-06	1991-01-01	The Ray Engineering Co., Ltd.	Tolerance ring with retaining means
US6139261A (en)	1999-04-16	2000-10-31	General Electric Company	Bushing assembly with removable wear sleeve
JP2002202100A (ja)	2000-12-28	2002-07-19	Mitsubishi Heavy Ind Ltd	可変静翼組立体
US7163369B2 (en) *	2003-05-27	2007-01-16	General Electric Company	Variable stator vane bushings and washers
US7445427B2 (en) *	2005-12-05	2008-11-04	General Electric Company	Variable stator vane assembly and bushing thereof
US20110076096A1 (en)	2009-09-25	2011-03-31	Saint-Gobain Performance Plastics Rencol Limited	System, method and apparatus for tolerance ring control of slip interface sliding forces
EP2362070A1 (fr)	2010-02-19	2011-08-31	Siemens Aktiengesellschaft	Dispositif d'entraînement pour le pivotement d'aubes réglables d'une turbomachine
US9341194B2 (en) *	2012-11-01	2016-05-17	Solar Turbines Incorporated	Gas turbine engine compressor with a biased inner ring
EP2735707B1 (fr) *	2012-11-27	2017-04-05	Safran Aero Boosters SA	Redresseur de turbomachine axiale avec virole interne segmentée et compresseur associé
US10100873B2 (en)	2014-12-09	2018-10-16	Ford Global Technologies, Llc	Radially deflectable bushing and steering gear assembly using the same
US10557371B2 (en) *	2017-07-14	2020-02-11	United Technologies Corporation	Gas turbine engine variable vane end wall insert
US10794219B2 (en) *	2017-09-14	2020-10-06	Rolls-Royce Corporation	Axial case ring to maximize thrust bushing contact area of variable vane

2022
- 2022-06-28 CN CN202280038449.XA patent/CN117397147B/zh active Active
- 2022-06-28 CA CA3223019A patent/CA3223019A1/fr active Pending
- 2022-06-28 EP EP22834389.3A patent/EP4364275A4/fr active Pending
- 2022-06-28 WO PCT/US2022/073217 patent/WO2023278993A1/fr not_active Ceased
- 2022-06-28 BR BR112023026214A patent/BR112023026214A2/pt unknown
- 2022-06-28 JP JP2023571911A patent/JP7590602B2/ja active Active

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3122399A (en) *	1962-04-11	1964-02-25	David U Hunter	Self-balancing bearing construction
US3318642A (en) *	1963-10-17	1967-05-09	Bunting Brass & Bronze Co	Self-aligning bearing
GB1103714A (en) *	1964-08-04	1968-02-21	Metzeler Ag	A bearing bush made of synthetic plastics material
US3348887A (en) *	1965-03-04	1967-10-24	Black & Decker Mfg Co	Combination tolerance ring and bearing journal member
US20080031730A1 (en) *	2006-06-21	2008-02-07	Snecma	Bearing for variable pitch stator vane
WO2008021890A2 (fr) *	2006-08-15	2008-02-21	Intri-Plex Technologies, Inc.	Bague de tolérance présentant diverses conceptions d'onglets d'extrémité pour éviter son blocage
EP2304260B1 (fr) *	2008-07-01	2014-03-26	Saint-Gobain Performance Plastics Rencol Ltd.	Bague de tolérance
US9388732B2 (en) *	2011-01-07	2016-07-12	Borgwarner Inc.	Spring biased sealing method for an actuating shaft
DE102012200623A1 (de) *	2012-01-17	2013-07-18	Bosch Mahle Turbo Systems Gmbh & Co. Kg	Ladeeinrichtung
WO2014143097A1 (fr) *	2013-03-15	2014-09-18	Stein Seal Company	Joint circonférentiel avec patin en céramique
US9976438B2 (en) *	2014-09-26	2018-05-22	Rolls-Royce Detschland Ltd & Co KG	Stator vane adjusting device of a gas turbine
US20190063459A1 (en) *	2017-08-23	2019-02-28	Hanwha Aerospace Co., Ltd.	Inlet guide vane assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023278993A1 *

Also Published As

Publication number	Publication date
CN117397147A (zh)	2024-01-12
CN117397147B (zh)	2024-08-20
BR112023026214A2 (pt)	2024-03-05
EP4364275A1 (fr)	2024-05-08
WO2023278993A1 (fr)	2023-01-05
JP2024520360A (ja)	2024-05-24
JP7590602B2 (ja)	2024-11-26
CA3223019A1 (fr)	2023-01-05

Publication	Publication Date	Title
EP4220899A4 (fr)	2024-04-17	Noyau de rotor
GB201809439D0 (en)	2018-07-25	Variable stator vane arrangement
EP4148961A4 (fr)	2024-05-29	Ensemble moteur
EP4056284A4 (fr)	2023-10-25	Ensemble rotor oscillant de centrifugeuse
EP4364275A4 (fr)	2025-04-23	Ensemble bague d'aube de stator variable
EP4103835B8 (fr)	2024-02-14	Rotor comprenant des pales de rotor
GB202212297D0 (en)	2022-10-05	Rotor
GB2597239B (en)	2023-04-26	Rotor assembly
EP4262064A4 (fr)	2024-06-19	Rotor
EP4425760A4 (fr)	2025-05-07	Stator
ZA202208816B (en)	2023-05-31	Rotor assembly
EP4002650A4 (fr)	2023-04-12	Ensemble stator et stator pour moteur
EP4277095A4 (fr)	2024-07-10	Ensemble moteur
EP4227534A4 (fr)	2024-04-03	Pompe électrique
EP4461978A4 (fr)	2025-03-05	Ensemble charnière amélioré
PT4151314T (pt)	2024-05-08	Rotor
EP4266554A4 (fr)	2024-07-10	Rotor
EP4297243A4 (fr)	2024-10-02	Rotor
HK40121209A (zh)	2025-09-05	叶片泵
EP4131746A4 (fr)	2023-06-21	Procédé de fabrication d'un rotor
GB2615206B (en)	2024-04-17	Rotor assembly
GB202108205D0 (en)	2021-07-21	Rotor assembly
EP4290742A4 (fr)	2025-04-30	Stator
GB2626578B (en)	2025-06-18	Stator assembly
GB202001689D0 (en)	2020-03-25	Rotor assembly

Legal Events

Date	Code	Title	Description
2023-01-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2024-04-05	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
2024-04-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2024-05-08	17P	Request for examination filed	Effective date: 20231219
2024-05-08	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
2024-10-09	DAV	Request for validation of the european patent (deleted)
2024-10-09	DAX	Request for extension of the european patent (deleted)
2025-03-20	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H02K0001120000 Ipc: F01D0017160000
2025-04-23	A4	Supplementary search report drawn up and despatched	Effective date: 20250326
2025-04-23	RIC1	Information provided on ipc code assigned before grant	Ipc: F16D 1/08 20060101ALI20250320BHEP Ipc: F16C 27/06 20060101ALI20250320BHEP Ipc: F01D 25/16 20060101ALI20250320BHEP Ipc: F01D 11/00 20060101ALI20250320BHEP Ipc: F01D 17/16 20060101AFI20250320BHEP