FR2573811B1 - Joint pour plate-forme d'aubes de turbomachine - Google Patents

Joint pour plate-forme d'aubes de turbomachine

Info

Publication number: FR2573811B1
Authority: FR; France
Prior art keywords: seal; blade platform; turbomachine blade; turbomachine; platform
Prior art date: 1984-11-26
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.): Expired - Lifetime

Application number

FR858517369A

Other languages

English (en)

Other versions

FR2573811A1 (fr

Inventor

Melvin Bobo

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1984-11-26

Filing date

1985-11-25

Publication date

1992-05-22

1985-11-25 Application filed by General Electric Co filed Critical General Electric Co

1986-05-30 Publication of FR2573811A1 publication Critical patent/FR2573811A1/fr

1992-05-22 Application granted granted Critical

1992-05-22 Publication of FR2573811B1 publication Critical patent/FR2573811B1/fr

2005-11-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F01D11/006—Sealing the gap between rotor blades or blades and 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
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations

Landscapes

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

FR858517369A 1984-11-26 1985-11-25 Joint pour plate-forme d'aubes de turbomachine Expired - Lifetime FR2573811B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/675,108 US4580946A (en)	1984-11-26	1984-11-26	Fan blade platform seal

Publications (2)

Publication Number	Publication Date
FR2573811A1 FR2573811A1 (fr)	1986-05-30
FR2573811B1 true FR2573811B1 (fr)	1992-05-22

Family

ID=24709093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR858517369A Expired - Lifetime FR2573811B1 (fr)	1984-11-26	1985-11-25	Joint pour plate-forme d'aubes de turbomachine

Country Status (6)

Country	Link
US (1)	US4580946A (fr)
JP (1)	JPS61142304A (fr)
DE (1)	DE3541330A1 (fr)
FR (1)	FR2573811B1 (fr)
GB (1)	GB2167813B (fr)
IT (1)	IT1200843B (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2850238B2 (ja) *	1988-09-14	1999-01-27	スズキ株式会社	自動２輪車の物品収納装置
GB9209895D0 (en) *	1992-05-07	1992-06-24	Rolls Royce Plc	Rotors for gas turbine engines
US5443365A (en) *	1993-12-02	1995-08-22	General Electric Company	Fan blade for blade-out protection
GB9602129D0 (en) *	1996-02-02	1996-04-03	Rolls Royce Plc	Rotors for gas turbine engines
US6273683B1 (en)	1999-02-05	2001-08-14	Siemens Westinghouse Power Corporation	Turbine blade platform seal
GB9915637D0 (en) *	1999-07-06	1999-09-01	Rolls Royce Plc	A rotor seal
JP4748345B2 (ja) *	2001-07-11	2011-08-17	株式会社Ｉｈｉ	ジェットエンジンのファンプラットフォームのシール
JP2003056490A (ja) *	2001-08-21	2003-02-26	Ishikawajima Harima Heavy Ind Co Ltd	ブレードプラットフォーム間のシール構造
EP1448874B1 (fr) *	2001-09-25	2007-12-26	ALSTOM Technology Ltd	Système de joint destiné à réduire un espace d'étanchéité dans une turbomachine rotative
US6533550B1 (en)	2001-10-23	2003-03-18	Pratt & Whitney Canada Corp.	Blade retention
US6969239B2 (en)	2002-09-30	2005-11-29	General Electric Company	Apparatus and method for damping vibrations between a compressor stator vane and a casing of a gas turbine engine
US20070048140A1 (en) *	2005-08-24	2007-03-01	General Electric Company	Methods and apparatus for assembling gas turbine engines
EP1925781A1 (fr) *	2006-11-23	2008-05-28	Siemens Aktiengesellschaft	Agencement d'aubes
US7762780B2 (en) *	2007-01-25	2010-07-27	Siemens Energy, Inc.	Blade assembly in a combustion turbo-machine providing reduced concentration of mechanical stress and a seal between adjacent assemblies
US7798769B2 (en) *	2007-02-15	2010-09-21	Siemens Energy, Inc.	Flexible, high-temperature ceramic seal element
GB0806171D0 (en) *	2008-04-07	2008-05-14	Rolls Royce Plc	Aeroengine fan assembly
US20100077612A1 (en) *	2008-09-30	2010-04-01	Courtney James Tudor	Method of manufacturing a fairing with an integrated seal
FR2939835B1 (fr) *	2008-12-12	2017-06-09	Snecma	Joint d'etancheite de plateforme dans un rotor de turbomachine, methode pour ameliorer l'etancheite entre une plateforme et une aube de turbomachine.
DE102009011964A1 (de) *	2009-03-05	2010-09-09	Mtu Aero Engines Gmbh	Rotor für eine Strömungsmaschine
US9200527B2 (en) *	2011-01-04	2015-12-01	General Electric Company	Systems, methods, and apparatus for a turbine interstage rim seal
US8888459B2 (en) *	2011-08-23	2014-11-18	General Electric Company	Coupled blade platforms and methods of sealing
FR2992676B1 (fr) *	2012-06-29	2014-08-01	Snecma	Plateforme inter-aubes pour une soufflante, rotor d'une soufflante et procede de fabrication associe
US9267386B2 (en)	2012-06-29	2016-02-23	United Technologies Corporation	Fairing assembly
SG11201407843UA (en)	2012-08-17	2015-03-30	United Technologies Corp	Contoured flowpath surface
FR3022944B1 (fr) *	2014-06-26	2020-02-14	Safran Aircraft Engines	Ensemble rotatif pour turbomachine
FR3037097B1 (fr) *	2015-06-03	2017-06-23	Snecma	Aube composite comprenant une plateforme munie d'un raidisseur
US9988920B2 (en)	2015-04-08	2018-06-05	United Technologies Corporation	Fan blade platform seal with leading edge winglet
US10196915B2 (en) *	2015-06-01	2019-02-05	United Technologies Corporation	Trailing edge platform seals
US10662784B2 (en)	2016-11-28	2020-05-26	Raytheon Technologies Corporation	Damper with varying thickness for a blade
FR3060065B1 (fr) *	2016-12-12	2020-10-23	Safran Aircraft Engines	Ensemble de pieces de turbomachine avec une aube de soufflante a plateforme integree et turbomachine correspondante
US10677073B2 (en) *	2017-01-03	2020-06-09	Raytheon Technologies Corporation	Blade platform with damper restraint
US10731479B2 (en)	2017-01-03	2020-08-04	Raytheon Technologies Corporation	Blade platform with damper restraint
EP3438410B1 (fr)	2017-08-01	2021-09-29	General Electric Company	Système d'étanchéité pour machine rotative
US20240271537A1 (en) *	2023-02-14	2024-08-15	Raytheon Technologies Corporation	Machinable coating for damping

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB557490A (en) *	1941-05-24	1943-11-23	British Thomson Houston Co Ltd	Improvements in and relating to elastic fluid turbines
FR1252763A (fr) *	1959-12-15	1961-05-10	Alsthom Cgee	Entretoise pour aubes de turbines
FR1374917A (fr) *	1963-11-21	1964-10-09	Ass Elect Ind	Perfectionnements aux déflecteurs d'étanchéité des aubes mobiles de turbines et de compresseurs à écoulement axial
US3295825A (en) *	1965-03-10	1967-01-03	Gen Motors Corp	Multi-stage turbine rotor
US3451654A (en) *	1967-08-25	1969-06-24	Gen Motors Corp	Blade vibration damping
FR2051912A5 (fr) *	1969-07-01	1971-04-09	Rabouyt Denis
GB1259750A (en) *	1970-07-23	1972-01-12	Rolls Royce	Rotor for a fluid flow machine
US3709631A (en) *	1971-03-18	1973-01-09	Caterpillar Tractor Co	Turbine blade seal arrangement
US3752598A (en) *	1971-11-17	1973-08-14	United Aircraft Corp	Segmented duct seal
US3771922A (en) *	1972-10-30	1973-11-13	Mc Donnell Douglas Corp	Stabilized rotary blades
GB1460714A (en) *	1973-06-26	1977-01-06	Rolls Royce	Bladed rotor for a gas turbine engine
GB1457417A (en) *	1973-06-30	1976-12-01	Dunlop Ltd	Vibration damping means
US4029436A (en) *	1975-06-17	1977-06-14	United Technologies Corporation	Blade root feather seal
GB1549152A (en) *	1977-01-11	1979-08-01	Rolls Royce	Rotor stage for a gas trubine engine
US4183720A (en) *	1978-01-03	1980-01-15	The United States Of America As Represented By The Secretary Of The Air Force	Composite fan blade platform double wedge centrifugal seal
FR2503247B1 (fr) *	1981-04-07	1985-06-14	Snecma	Perfectionnements aux etages de turbine a gaz de turboreacteurs munis de moyens de refroidissement par air du disque de la roue de la turbine
JPS5815644U (ja) *	1981-07-24	1983-01-31	愛知製鋼株式会社	長尺鋼材用連続加熱炉の炉内壁の形状
JPS5925094B2 (ja) *	1981-08-21	1984-06-14	工業技術院長	ガスタ−ビン
FR2517779B1 (fr) *	1981-12-03	1986-06-13	Snecma	Dispositif d'amortissement des aubes d'une soufflante de turbomachine
GB2112466A (en) *	1981-12-30	1983-07-20	Rolls Royce	Rotor blade vibration damping
US4422827A (en) *	1982-02-18	1983-12-27	United Technologies Corporation	Blade root seal
US4505642A (en) *	1983-10-24	1985-03-19	United Technologies Corporation	Rotor blade interplatform seal
US4541778A (en) *	1984-05-18	1985-09-17	The United States Of America As Represented By The Secretary Of The Navy	Pin rooted blade biaxial air seal

1984
- 1984-11-26 US US06/675,108 patent/US4580946A/en not_active Expired - Lifetime
1985
- 1985-10-25 GB GB08526368A patent/GB2167813B/en not_active Expired
- 1985-11-22 DE DE19853541330 patent/DE3541330A1/de not_active Ceased
- 1985-11-25 IT IT22972/85A patent/IT1200843B/it active
- 1985-11-25 FR FR858517369A patent/FR2573811B1/fr not_active Expired - Lifetime
- 1985-11-26 JP JP60263968A patent/JPS61142304A/ja active Pending

Also Published As

Publication number	Publication date
US4580946A (en)	1986-04-08
IT8522972A0 (it)	1985-11-25
FR2573811A1 (fr)	1986-05-30
GB2167813B (en)	1988-06-29
IT1200843B (it)	1989-01-27
JPS61142304A (ja)	1986-06-30
GB8526368D0 (en)	1985-11-27
DE3541330A1 (de)	1986-05-28
GB2167813A (en)	1986-06-04

Publication	Publication Date	Title
FR2573811B1 (fr)	1992-05-22	Joint pour plate-forme d'aubes de turbomachine
BE887061A (fr)	1981-07-14	Joint d'etancheite pour paliers
FR2510220B1 (fr)	1987-01-16	Joint d'etancheite
BE895210A (fr)	1983-06-01	Structure d'extremite amelioree pour aubes refroidies de rotot de turbine
FR2488970B1 (fr)	1987-06-26	Joint d'etancheite pour paliers de turbochargeur
FR2526509B1 (fr)	1986-04-18	Joint additonnel pour coussinets
FR2475481B1 (fr)	1985-07-05	Connecteur pour balai d'essui-glace
FR2512112B1 (fr)	1986-01-10	Joint d'etancheite tournant
FR2491847B1 (fr)	1985-07-05	Element de liaison articulee pour balai d'essuie-glace
FR2517013B1 (fr)	1987-02-27	Joint d'etancheite
FR2588924B1 (fr)	1989-08-18	Joint interieur souple d'etancheite pour compresseur
FR2524599B1 (fr)	1989-03-17	Joint pour tube d'etambot
FR2566071B1 (fr)	1989-03-10	Dispositif d'etancheite pour joint de cardan
BE891958A (fr)	1982-05-17	Joint d'etancheite
FR2522104B1 (fr)	1986-04-11	Joint d'etancheite ondule
FR2523681B1 (fr)	1988-07-01	Joint pour tube d'etambot
FR2591304B1 (fr)	1989-03-10	Joint d'etancheite
FR2517789B1 (fr)	1985-12-27	Joint d'etancheite
FR2565643B1 (fr)	1988-08-05	Dispositif d'etancheite pour roulements
FR2517786B1 (fr)	1986-08-29	Unite d'etancheite
FR2547548B2 (fr)	1988-06-03	Lance d'arrosage pour balai d'essuie-glace
FR2565293B1 (fr)	1986-10-17	Ensemble dilueur-deviateur de jet pour turbomoteur d'aerodyne
FR2541410B1 (fr)	1987-11-13	Joint d'etancheite pour plateau d'electronique d'avion
FR2539442B1 (fr)	1986-03-28	Piece de liaison pour elements d'ossature
FR2595603B1 (fr)	1988-05-27	Outillage pour ebavurage-rayonnage automatique d'aubes de turbomachine

Legal Events

Date	Code	Title	Description
1994-09-30	ST	Notification of lapse