IT8522972A0 - Tenuta di piattaforma per pala di ventilatore - Google Patents

Tenuta di piattaforma per pala di ventilatore

Info

Publication number
IT8522972A0
IT8522972A0 IT8522972A IT2297285A IT8522972A0 IT 8522972 A0 IT8522972 A0 IT 8522972A0 IT 8522972 A IT8522972 A IT 8522972A IT 2297285 A IT2297285 A IT 2297285A IT 8522972 A0 IT8522972 A0 IT 8522972A0
Authority
IT
Italy
Prior art keywords
fan blade
platform seal
platform
seal
fan
Prior art date
Application number
IT8522972A
Other languages
English (en)
Other versions
IT1200843B (it
Inventor
Melvin Bobo
Original Assignee
Gen Electric
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.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of IT8522972A0 publication Critical patent/IT8522972A0/it
Application granted granted Critical
Publication of IT1200843B publication Critical patent/IT1200843B/it

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
    • 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)
IT22972/85A 1984-11-26 1985-11-25 Tenuta di piattaforma per pala di ventilatore IT1200843B (it)

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
IT8522972A0 true IT8522972A0 (it) 1985-11-25
IT1200843B IT1200843B (it) 1989-01-27

Family

ID=24709093

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22972/85A IT1200843B (it) 1984-11-26 1985-11-25 Tenuta di piattaforma per pala di ventilatore

Country Status (6)

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

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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 (de) * 2001-09-25 2007-12-26 ALSTOM Technology Ltd Dichtungsanordnung zur dichtspaltreduzierung innerhalb einer strömungsrotationsmaschine
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 (de) * 2006-11-23 2008-05-28 Siemens Aktiengesellschaft Schaufelanordnung
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
US9267386B2 (en) 2012-06-29 2016-02-23 United Technologies Corporation Fairing assembly
FR2992676B1 (fr) * 2012-06-29 2014-08-01 Snecma Plateforme inter-aubes pour une soufflante, rotor d'une soufflante et procede de fabrication associe
WO2014028056A1 (en) 2012-08-17 2014-02-20 United Technologies Corporation 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 (en) 2017-08-01 2021-09-29 General Electric Company Sealing system for a rotary machine
US20240271537A1 (en) * 2023-02-14 2024-08-15 Raytheon Technologies Corporation Machinable coating for damping

Family Cites Families (23)

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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 (it) * 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

Also Published As

Publication number Publication date
FR2573811A1 (fr) 1986-05-30
DE3541330A1 (de) 1986-05-28
GB2167813B (en) 1988-06-29
IT1200843B (it) 1989-01-27
US4580946A (en) 1986-04-08
JPS61142304A (ja) 1986-06-30
GB8526368D0 (en) 1985-11-27
FR2573811B1 (fr) 1992-05-22
GB2167813A (en) 1986-06-04

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