GB1386575A - Platform for compressor or fan blade - Google Patents

Platform for compressor or fan blade

Info

Publication number
GB1386575A
GB1386575A GB955273A GB955273A GB1386575A GB 1386575 A GB1386575 A GB 1386575A GB 955273 A GB955273 A GB 955273A GB 955273 A GB955273 A GB 955273A GB 1386575 A GB1386575 A GB 1386575A
Authority
GB
United Kingdom
Prior art keywords
blade
platform
compressor
feb
fan
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
Application number
GB955273A
Other languages
English (en)
Inventor
J A 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
Publication of GB1386575A publication Critical patent/GB1386575A/en
Expired 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
    • 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
GB955273A 1972-02-28 1973-02-27 Platform for compressor or fan blade Expired GB1386575A (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
GB1386575A true GB1386575A (en) 1975-03-12

Family

ID=22863003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB955273A Expired GB1386575A (en) 1972-02-28 1973-02-27 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)

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* Cited by examiner, † Cited by third party
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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
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
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
DE19826897A1 (de) * 1998-06-17 1999-12-23 Abb Patent Gmbh Schloß für Laufschaufeln eines Turbinenläufers
US6447250B1 (en) * 2000-11-27 2002-09-10 General Electric Company Non-integral fan platform
US7284958B2 (en) * 2003-03-22 2007-10-23 Allison Advanced Development Company Separable blade platform
US7201558B2 (en) * 2005-05-05 2007-04-10 United Technologies Corporation Seal arrangement for a fan-turbine rotor assembly
GB0614518D0 (en) * 2006-07-21 2006-08-30 Rolls Royce Plc A fan blade for a gas turbine engine
FR2913735B1 (fr) * 2007-03-16 2013-04-19 Snecma Disque de rotor d'une turbomachine
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
US7976281B2 (en) * 2007-05-15 2011-07-12 General Electric Company Turbine rotor blade and method of assembling the same
US7878763B2 (en) * 2007-05-15 2011-02-01 General Electric Company Turbine rotor blade assembly and method of assembling the same
US8075280B2 (en) * 2008-09-08 2011-12-13 Siemens Energy, Inc. Composite blade and method of manufacture
US8435007B2 (en) * 2008-12-29 2013-05-07 Rolls-Royce Corporation Hybrid turbomachinery component for a gas turbine engine
FR2941487B1 (fr) * 2009-01-28 2011-03-04 Snecma Aube de turbomachine en materiau composite a pied renforce
US8215915B2 (en) * 2009-05-15 2012-07-10 Siemens Energy, Inc. Blade closing key system for a turbine engine
US8727730B2 (en) * 2010-04-06 2014-05-20 General Electric Company Composite turbine bucket assembly
EP2441917B1 (de) * 2010-10-18 2013-10-16 Siemens Aktiengesellschaft Schaufelfussadapter und Verfahren zum Befestigen einer Schaufel in einer Einsparung in einer Welle einer Dampfturbine
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
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
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
GB201106278D0 (en) 2011-04-14 2011-05-25 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
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
US20130004327A1 (en) * 2011-06-30 2013-01-03 United Technologies Corporation Aluminum fan blade root
GB201119655D0 (en) 2011-11-15 2011-12-28 Rolls Royce Plc Annulus filler
US8967974B2 (en) * 2012-01-03 2015-03-03 General Electric Company Composite airfoil assembly
EP2644828A1 (de) * 2012-03-29 2013-10-02 Siemens Aktiengesellschaft Modulare Turbinenschaufel mit Plattform
EP2644829A1 (de) * 2012-03-30 2013-10-02 Alstom Technology Ltd Turbinenschaufel
US9017033B2 (en) * 2012-06-07 2015-04-28 United Technologies Corporation Fan blade platform
WO2014004098A1 (en) * 2012-06-30 2014-01-03 General Electric Company A turbine blade sealing structure
US9598967B2 (en) * 2012-12-18 2017-03-21 United Technologies Corporation Airfoil member and composite platform having contoured endwall
EP2778347A1 (de) * 2013-03-11 2014-09-17 Siemens Aktiengesellschaft Rotorschaufelanordnung, Turbomaschine mit einer Rotorschaufelanordnung und Verfahren zum Aufbau einer Rotorschaufelanordnung
WO2015080781A2 (en) 2013-09-11 2015-06-04 General Electric Company Ply architecture for integral platform and damper retaining features in cmc turbine blades
WO2015053848A2 (en) 2013-09-18 2015-04-16 United Technologies Corporation Fan platform with leading edge tab
KR20160111369A (ko) * 2013-11-25 2016-09-26 제네럴 일렉트릭 테크놀러지 게엠베하 모듈형 구조 기초의 터보머신용 블레이드 조립체
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
US10753368B2 (en) * 2016-08-23 2020-08-25 Raytheon Technologies Corporation Multi-piece non-linear airfoil
FR3057295B1 (fr) * 2016-10-12 2020-12-11 Safran Aircraft Engines Aube comprenant une plate-forme et une pale assemblees
US10557350B2 (en) 2017-03-30 2020-02-11 General Electric Company I beam blade platform
GB201800647D0 (en) * 2018-01-16 2018-02-28 Rolls Royce Plc Annulus filler
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

Family Cites Families (9)

* 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
BE540433A (de) * 1954-08-12
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
NL102164C (de) * 1956-11-30
US3114533A (en) * 1961-04-27 1963-12-17 Gen Electric Rotor construction
US3294364A (en) * 1962-01-02 1966-12-27 Gen Electric Rotor assembly
GB1276106A (en) * 1969-12-19 1972-06-01 Rolls Royce FLUID FLOW MACHINE, e.g. GAS TURBINE ENGINE COMPRESSOR

Also Published As

Publication number Publication date
US3801222A (en) 1974-04-02
SE389172B (sv) 1976-10-25
DE2307967C2 (de) 1983-08-25
FR2174577A5 (de) 1973-10-12
DE2307967A1 (de) 1973-09-06
IT979575B (it) 1974-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee