US3801222A - Platform for compressor or fan blade - Google Patents

Platform for compressor or fan blade Download PDF

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Publication number
US3801222A
US3801222A US00229872A US3801222DA US3801222A US 3801222 A US3801222 A US 3801222A US 00229872 A US00229872 A US 00229872A US 3801222D A US3801222D A US 3801222DA US 3801222 A US3801222 A US 3801222A
Authority
US
United States
Prior art keywords
platform
blade
compressor
disc
arms
Prior art date
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
US00229872A
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English (en)
Inventor
J Violette
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft 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.)
Filing date
Publication date
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of US3801222A publication Critical patent/US3801222A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F04D29/322—Blade mountings
    • 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
US00229872A 1972-02-28 1972-02-28 Platform for compressor or fan blade Expired - Lifetime US3801222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22987272A 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
US3801222A true US3801222A (en) 1974-04-02

Family

ID=22863003

Family Applications (1)

Application Number Title Priority Date Filing Date
US00229872A Expired - Lifetime US3801222A (en) 1972-02-28 1972-02-28 Platform for compressor or fan blade

Country Status (6)

Country Link
US (1) US3801222A (de)
DE (1) DE2307967C2 (de)
FR (1) FR2174577A5 (de)
GB (1) GB1386575A (de)
IT (1) IT979575B (de)
SE (1) SE389172B (de)

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US4045149A (en) * 1976-02-03 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Platform for a swing root turbomachinery blade
US5030063A (en) * 1990-02-08 1991-07-09 General Motors Corporation Turbomachine rotor
US5183389A (en) * 1992-01-30 1993-02-02 General Electric Company Anti-rock blade tang
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5318406A (en) * 1992-11-02 1994-06-07 General Electric Company Multipart gas turbine blade
US6447250B1 (en) * 2000-11-27 2002-09-10 General Electric Company Non-integral fan platform
US20060251508A1 (en) * 2005-05-05 2006-11-09 United Technologies Corporation Seal arrangement for a fan-turbine rotor assembly
US20070189901A1 (en) * 2003-03-22 2007-08-16 Dundas Jason E Separable blade platform
US20080159866A1 (en) * 2006-07-21 2008-07-03 Rolls-Royce Plc Fan blade for a gas turbine engine
US20080226457A1 (en) * 2007-03-16 2008-09-18 Snecma Turbomachine rotor disk
US20080286106A1 (en) * 2007-05-15 2008-11-20 Sean Robert Keith Turbine rotor blade assembly and method of fabricating the same
US20080286109A1 (en) * 2007-05-15 2008-11-20 Sean Robert Keith Turbine rotor blade and method of fabricating the same
US20100061858A1 (en) * 2008-09-08 2010-03-11 Siemens Power Generation, Inc. Composite Blade and Method of Manufacture
US20100166551A1 (en) * 2008-12-29 2010-07-01 Morrison Adam J Hybrid turbomachinery component for a gas turbine engine
US20100189562A1 (en) * 2009-01-28 2010-07-29 Snecma Composite material turbomachine blade with a reinforced root
US20100290914A1 (en) * 2009-05-15 2010-11-18 Souers Philip F Blade Closing Key System for a Turbine Engine
US7874804B1 (en) * 2007-05-10 2011-01-25 Florida Turbine Technologies, Inc. Turbine blade with detached platform
US7972113B1 (en) * 2007-05-02 2011-07-05 Florida Turbine Technologies, Inc. Integral turbine blade and platform
US20110243746A1 (en) * 2010-04-06 2011-10-06 General Electric Company Composite turbine bucket assembly
EP2441917A1 (de) * 2010-10-18 2012-04-18 Siemens Aktiengesellschaft Schaufelfussadapter und Verfahren zum Befestigen einer Schaufel in einer Einsparung in einer Welle einer Dampfturbine
US20120156045A1 (en) * 2010-12-17 2012-06-21 General Electric Company Methods, systems and apparatus relating to root and platform configurations for turbine rotor blades
US20120163978A1 (en) * 2010-12-23 2012-06-28 General Electric Company Turbine airfoil components containing ceramic-based materials and processes therefor
US20120301317A1 (en) * 2011-05-26 2012-11-29 Ioannis Alvanos Hybrid rotor disk assembly with ceramic matrix composites platform for a gas turbine engine
US20130004327A1 (en) * 2011-06-30 2013-01-03 United Technologies Corporation Aluminum fan blade root
JP2013139765A (ja) * 2012-01-03 2013-07-18 General Electric Co <Ge> 複合材翼形部組立体
WO2013185044A1 (en) 2012-06-07 2013-12-12 United Technologies Corporation Fan blade platform
US8721290B2 (en) 2010-12-23 2014-05-13 General Electric Company Processes for producing components containing ceramic-based and metallic materials
US8777582B2 (en) 2010-12-27 2014-07-15 General Electric Company Components containing ceramic-based materials and coatings therefor
US8777583B2 (en) 2010-12-27 2014-07-15 General Electric Company Turbine airfoil components containing ceramic-based materials and processes therefor
US20140212292A1 (en) * 2012-12-18 2014-07-31 United Technologies Corporation Airfoil Member and Composite Platform Having Contoured Endwall
US8827651B2 (en) 2010-11-01 2014-09-09 Rolls-Royce Plc Annulus filler
US8834125B2 (en) 2011-05-26 2014-09-16 United Technologies Corporation Hybrid rotor disk assembly with a ceramic matrix composite airfoil for a gas turbine engine
EP2778347A1 (de) * 2013-03-11 2014-09-17 Siemens Aktiengesellschaft Rotorschaufelanordnung, Turbomaschine mit einer Rotorschaufelanordnung und Verfahren zum Aufbau einer Rotorschaufelanordnung
CN104220700A (zh) * 2012-03-29 2014-12-17 西门子公司 具有平台的模块化的涡轮叶片
US20150017007A1 (en) * 2012-03-30 2015-01-15 Alstom Technology Ltd Turbine blade or vane
WO2015053848A2 (en) 2013-09-18 2015-04-16 United Technologies Corporation Fan platform with leading edge tab
US20150192027A1 (en) * 2012-06-30 2015-07-09 General Electric Company Turbine blade sealing structure
US9145784B2 (en) 2011-04-14 2015-09-29 Rolls-Royce Plc Annulus filler system
US9228444B2 (en) 2011-11-15 2016-01-05 Rolls-Royce Plc Annulus filler
CN106103898A (zh) * 2013-11-25 2016-11-09 通用电器技术有限公司 用于涡轮机的基于模块化结构的叶片组件
US20170058916A1 (en) * 2015-09-01 2017-03-02 United Technologies Corporation Gas turbine fan fairing platform and method of fairing a root leading edge of a fan blade of a gas turbine engine
CN107023514A (zh) * 2016-02-02 2017-08-08 通用电气公司 负载吸收系统和方法
EP3287601A1 (de) * 2016-08-23 2018-02-28 United Technologies Corporation Mehrteilige nichtlineare bläserschaufel
US20180100516A1 (en) * 2016-10-12 2018-04-12 Safran Aircraft Engines Vane comprising an assembled platform and blade
US10202853B2 (en) 2013-09-11 2019-02-12 General Electric Company Ply architecture for integral platform and damper retaining features in CMC turbine blades
EP3511525A1 (de) * 2018-01-16 2019-07-17 Rolls-Royce plc Zwischenraumfüller für den bläser eines gasturbinenmotors und zugehöriger gasturbinenmotor
US10557350B2 (en) 2017-03-30 2020-02-11 General Electric Company I beam blade platform
US11131203B2 (en) * 2018-09-26 2021-09-28 Rolls-Royce Corporation Turbine wheel assembly with offloaded platforms and ceramic matrix composite blades
US11261744B2 (en) 2019-06-14 2022-03-01 Raytheon Technologies Corporation Ceramic matrix composite rotor blade attachment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
DE19826897A1 (de) * 1998-06-17 1999-12-23 Abb Patent Gmbh Schloß für Laufschaufeln eines Turbinenläufers

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656146A (en) * 1948-04-08 1953-10-20 Curtiss Wright Corp Turbine blade construction
US2749029A (en) * 1948-11-26 1956-06-05 Sintercast Corp America Compressor blade
US2819870A (en) * 1955-04-18 1958-01-14 Oleh A Wayne Sheet metal blade base
US2825530A (en) * 1955-05-13 1958-03-04 Eugene F Schum Air-cooled, strut supported turbine blade
US2967043A (en) * 1956-11-30 1961-01-03 Napier & Sons Ltd D Blades and blade mounting assemblies for turbines and axial flow compressors
US3008689A (en) * 1954-08-12 1961-11-14 Rolls Royce Axial-flow compressors and turbines
US3294364A (en) * 1962-01-02 1966-12-27 Gen Electric Rotor assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114533A (en) * 1961-04-27 1963-12-17 Gen Electric Rotor construction
GB1276106A (en) * 1969-12-19 1972-06-01 Rolls Royce FLUID FLOW MACHINE, e.g. GAS TURBINE ENGINE COMPRESSOR

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656146A (en) * 1948-04-08 1953-10-20 Curtiss Wright Corp Turbine blade construction
US2749029A (en) * 1948-11-26 1956-06-05 Sintercast Corp America Compressor blade
US3008689A (en) * 1954-08-12 1961-11-14 Rolls Royce Axial-flow compressors and turbines
US2819870A (en) * 1955-04-18 1958-01-14 Oleh A Wayne Sheet metal blade base
US2825530A (en) * 1955-05-13 1958-03-04 Eugene F Schum Air-cooled, strut supported turbine blade
US2967043A (en) * 1956-11-30 1961-01-03 Napier & Sons Ltd D Blades and blade mounting assemblies for turbines and axial flow compressors
US3294364A (en) * 1962-01-02 1966-12-27 Gen Electric Rotor assembly

Cited By (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045149A (en) * 1976-02-03 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Platform for a swing root turbomachinery blade
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US5030063A (en) * 1990-02-08 1991-07-09 General Motors Corporation Turbomachine rotor
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5183389A (en) * 1992-01-30 1993-02-02 General Electric Company Anti-rock blade tang
US5318406A (en) * 1992-11-02 1994-06-07 General Electric Company Multipart gas turbine blade
US6447250B1 (en) * 2000-11-27 2002-09-10 General Electric Company Non-integral fan platform
US20070189901A1 (en) * 2003-03-22 2007-08-16 Dundas Jason E Separable blade platform
US7284958B2 (en) * 2003-03-22 2007-10-23 Allison Advanced Development Company Separable blade platform
US20060251508A1 (en) * 2005-05-05 2006-11-09 United Technologies Corporation Seal arrangement for a fan-turbine rotor assembly
US7201558B2 (en) * 2005-05-05 2007-04-10 United Technologies Corporation Seal arrangement for a fan-turbine rotor assembly
US20080159866A1 (en) * 2006-07-21 2008-07-03 Rolls-Royce Plc Fan blade for a gas turbine engine
US8070438B2 (en) 2006-07-21 2011-12-06 Rolls-Royce Plc Fan blade for a gas turbine engine
US20080226457A1 (en) * 2007-03-16 2008-09-18 Snecma Turbomachine rotor disk
US8277188B2 (en) * 2007-03-16 2012-10-02 Snecma Turbomachine rotor disk
US7972113B1 (en) * 2007-05-02 2011-07-05 Florida Turbine Technologies, Inc. Integral turbine blade and platform
US7874804B1 (en) * 2007-05-10 2011-01-25 Florida Turbine Technologies, Inc. Turbine blade with detached platform
US20080286109A1 (en) * 2007-05-15 2008-11-20 Sean Robert Keith Turbine rotor blade and method of fabricating the same
US7878763B2 (en) 2007-05-15 2011-02-01 General Electric Company Turbine rotor blade assembly and method of assembling the same
US7976281B2 (en) 2007-05-15 2011-07-12 General Electric Company Turbine rotor blade and method of assembling the same
US20080286106A1 (en) * 2007-05-15 2008-11-20 Sean Robert Keith Turbine rotor blade assembly and method of fabricating the same
US20100061858A1 (en) * 2008-09-08 2010-03-11 Siemens Power Generation, Inc. Composite Blade and Method of Manufacture
US8075280B2 (en) * 2008-09-08 2011-12-13 Siemens Energy, Inc. Composite blade and method of manufacture
US20100166551A1 (en) * 2008-12-29 2010-07-01 Morrison Adam J Hybrid turbomachinery component for a gas turbine engine
US8435007B2 (en) 2008-12-29 2013-05-07 Rolls-Royce Corporation Hybrid turbomachinery component for a gas turbine engine
US20100189562A1 (en) * 2009-01-28 2010-07-29 Snecma Composite material turbomachine blade with a reinforced root
US20100290914A1 (en) * 2009-05-15 2010-11-18 Souers Philip F Blade Closing Key System for a Turbine Engine
US8215915B2 (en) 2009-05-15 2012-07-10 Siemens Energy, Inc. Blade closing key system for a turbine engine
CN102213108A (zh) * 2010-04-06 2011-10-12 通用电气公司 复合型涡轮轮叶组件
US8727730B2 (en) * 2010-04-06 2014-05-20 General Electric Company Composite turbine bucket assembly
US20110243746A1 (en) * 2010-04-06 2011-10-06 General Electric Company Composite turbine bucket assembly
EP2441917A1 (de) * 2010-10-18 2012-04-18 Siemens Aktiengesellschaft Schaufelfussadapter und Verfahren zum Befestigen einer Schaufel in einer Einsparung in einer Welle einer Dampfturbine
WO2012052358A1 (en) * 2010-10-18 2012-04-26 Siemens Aktiengesellschaft Root adapting device for and method of attaching a blade in a recess of a rotatable shaft of a steam turbine
US8827651B2 (en) 2010-11-01 2014-09-09 Rolls-Royce Plc Annulus filler
US20120156045A1 (en) * 2010-12-17 2012-06-21 General Electric Company Methods, systems and apparatus relating to root and platform configurations for turbine rotor blades
CN102536334A (zh) * 2010-12-17 2012-07-04 通用电气公司 涡轮转子叶片的根部和平台构造有关的方法、系统和设备
US8721290B2 (en) 2010-12-23 2014-05-13 General Electric Company Processes for producing components containing ceramic-based and metallic materials
US9228445B2 (en) * 2010-12-23 2016-01-05 General Electric Company Turbine airfoil components containing ceramic-based materials and processes therefor
US20120163978A1 (en) * 2010-12-23 2012-06-28 General Electric Company Turbine airfoil components containing ceramic-based materials and processes therefor
US8777582B2 (en) 2010-12-27 2014-07-15 General Electric Company Components containing ceramic-based materials and coatings therefor
US8777583B2 (en) 2010-12-27 2014-07-15 General Electric Company Turbine airfoil components containing ceramic-based materials and processes therefor
US9145784B2 (en) 2011-04-14 2015-09-29 Rolls-Royce Plc Annulus filler system
US8936440B2 (en) * 2011-05-26 2015-01-20 United Technologies Corporation Hybrid rotor disk assembly with ceramic matrix composites platform for a gas turbine engine
US20120301317A1 (en) * 2011-05-26 2012-11-29 Ioannis Alvanos Hybrid rotor disk assembly with ceramic matrix composites platform for a gas turbine engine
US8834125B2 (en) 2011-05-26 2014-09-16 United Technologies Corporation Hybrid rotor disk assembly with a ceramic matrix composite airfoil for a gas turbine engine
EP2570609B1 (de) * 2011-05-26 2018-05-16 United Technologies Corporation Bauteil aus keramischem Faserverbundwerkstoff und zugehörige Rotorscheibenanordnung
US20130004327A1 (en) * 2011-06-30 2013-01-03 United Technologies Corporation Aluminum fan blade root
US9228444B2 (en) 2011-11-15 2016-01-05 Rolls-Royce Plc Annulus filler
JP2013139765A (ja) * 2012-01-03 2013-07-18 General Electric Co <Ge> 複合材翼形部組立体
EP2612997B1 (de) 2012-01-03 2017-04-26 General Electric Company Schaufelanordnung in Verbundbauweise, zugehörige Turbinenrotorstufe und Montageverfahren
CN104220700A (zh) * 2012-03-29 2014-12-17 西门子公司 具有平台的模块化的涡轮叶片
US20150017007A1 (en) * 2012-03-30 2015-01-15 Alstom Technology Ltd Turbine blade or vane
US9920636B2 (en) * 2012-03-30 2018-03-20 Ansaldo Energia Ip Uk Limited Turbine blade or vane
EP2831376B1 (de) * 2012-03-30 2018-10-24 Ansaldo Energia IP UK Limited Turbinenschaufel
EP3473811A1 (de) * 2012-06-07 2019-04-24 United Technologies Corporation Plattform für eine gebläseschaufel
WO2013185044A1 (en) 2012-06-07 2013-12-12 United Technologies Corporation Fan blade platform
EP2859188A4 (de) * 2012-06-07 2016-07-27 United Technologies Corp Plattform für eine gebläseschaufel
US10648352B2 (en) * 2012-06-30 2020-05-12 General Electric Company Turbine blade sealing structure
US20150192027A1 (en) * 2012-06-30 2015-07-09 General Electric Company Turbine blade sealing structure
US9598967B2 (en) * 2012-12-18 2017-03-21 United Technologies Corporation Airfoil member and composite platform having contoured endwall
US20140212292A1 (en) * 2012-12-18 2014-07-31 United Technologies Corporation Airfoil Member and Composite Platform Having Contoured Endwall
WO2014139714A1 (en) * 2013-03-11 2014-09-18 Siemens Aktiengesellschaft Rotor blade assembly, turbomachine comprising a rotor blade assembly and method of assembling a rotor blade assembly
EP2778347A1 (de) * 2013-03-11 2014-09-17 Siemens Aktiengesellschaft Rotorschaufelanordnung, Turbomaschine mit einer Rotorschaufelanordnung und Verfahren zum Aufbau einer Rotorschaufelanordnung
US10202853B2 (en) 2013-09-11 2019-02-12 General Electric Company Ply architecture for integral platform and damper retaining features in CMC turbine blades
EP3047109A4 (de) * 2013-09-18 2016-10-05 United Technologies Corp Gebläseplattform mit anströmkantenlasche
WO2015053848A2 (en) 2013-09-18 2015-04-16 United Technologies Corporation Fan platform with leading edge tab
US10227884B2 (en) 2013-09-18 2019-03-12 United Technologies Corporation Fan platform with leading edge tab
CN106103898B (zh) * 2013-11-25 2019-02-22 安萨尔多能源英国知识产权有限公司 用于涡轮机的基于模块化结构的叶片组件
CN106103898A (zh) * 2013-11-25 2016-11-09 通用电器技术有限公司 用于涡轮机的基于模块化结构的叶片组件
US20170058916A1 (en) * 2015-09-01 2017-03-02 United Technologies Corporation Gas turbine fan fairing platform and method of fairing a root leading edge of a fan blade of a gas turbine engine
US10371163B2 (en) 2016-02-02 2019-08-06 General Electric Company Load absorption systems and methods
CN107023514A (zh) * 2016-02-02 2017-08-08 通用电气公司 负载吸收系统和方法
CN107023514B (zh) * 2016-02-02 2020-03-24 通用电气公司 负载吸收系统和方法
EP3287601A1 (de) * 2016-08-23 2018-02-28 United Technologies Corporation Mehrteilige nichtlineare bläserschaufel
US20180058469A1 (en) * 2016-08-23 2018-03-01 United Technologies Corporation Multi-piece non-linear airfoil
US10753368B2 (en) * 2016-08-23 2020-08-25 Raytheon Technologies Corporation Multi-piece non-linear airfoil
US20180100516A1 (en) * 2016-10-12 2018-04-12 Safran Aircraft Engines Vane comprising an assembled platform and blade
US10584720B2 (en) * 2016-10-12 2020-03-10 Safran Aircraft Engines Vane comprising an assembled platform and blade
US10557350B2 (en) 2017-03-30 2020-02-11 General Electric Company I beam blade platform
EP3511525A1 (de) * 2018-01-16 2019-07-17 Rolls-Royce plc Zwischenraumfüller für den bläser eines gasturbinenmotors und zugehöriger gasturbinenmotor
US11131203B2 (en) * 2018-09-26 2021-09-28 Rolls-Royce Corporation Turbine wheel assembly with offloaded platforms and ceramic matrix composite blades
US11261744B2 (en) 2019-06-14 2022-03-01 Raytheon Technologies Corporation Ceramic matrix composite rotor blade attachment

Also Published As

Publication number Publication date
SE389172B (sv) 1976-10-25
DE2307967C2 (de) 1983-08-25
FR2174577A5 (de) 1973-10-12
DE2307967A1 (de) 1973-09-06
GB1386575A (en) 1975-03-12
IT979575B (it) 1974-09-30

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