CA959034A - Root pads for composite blades - Google Patents

Root pads for composite blades

Info

Publication number
CA959034A
CA959034A CA149,317A CA149317A CA959034A CA 959034 A CA959034 A CA 959034A CA 149317 A CA149317 A CA 149317A CA 959034 A CA959034 A CA 959034A
Authority
CA
Canada
Prior art keywords
composite blades
pads
root
root pads
blades
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
CA149,317A
Other languages
English (en)
Other versions
CA149317S (en
Inventor
Thomas C. Walsh
David Street
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.)
RTX 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 CA959034A publication Critical patent/CA959034A/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA149,317A 1971-12-09 1972-08-09 Root pads for composite blades Expired CA959034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20642671A 1971-12-09 1971-12-09

Publications (1)

Publication Number Publication Date
CA959034A true CA959034A (en) 1974-12-10

Family

ID=22766323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,317A Expired CA959034A (en) 1971-12-09 1972-08-09 Root pads for composite blades

Country Status (8)

Country Link
US (1) US3752600A (show.php)
AU (1) AU456333B2 (show.php)
CA (1) CA959034A (show.php)
DE (1) DE2240970C2 (show.php)
FR (1) FR2164134A5 (show.php)
GB (1) GB1355751A (show.php)
IT (1) IT971617B (show.php)
SE (1) SE385038B (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110315770A (zh) * 2018-03-29 2019-10-11 三菱重工业株式会社 复合材料叶片以及复合材料叶片的制造方法

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040770A (en) * 1975-12-22 1977-08-09 General Electric Company Transition reinforcement of composite blade dovetails
US4111606A (en) * 1976-12-27 1978-09-05 United Technologies Corporation Composite rotor blade
US4343593A (en) * 1980-01-25 1982-08-10 The United States Of America As Represented By The Secretary Of The Air Force Composite blade for turbofan engine fan
US4363602A (en) * 1980-02-27 1982-12-14 General Electric Company Composite air foil and disc assembly
US4810167A (en) * 1986-12-08 1989-03-07 Hartzell Propeller Inc. Composite aircraft propeller blade
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
US5100292A (en) * 1990-03-19 1992-03-31 General Electric Company Gas turbine engine blade
US5375978A (en) * 1992-05-01 1994-12-27 General Electric Company Foreign object damage resistant composite blade and manufacture
US5573377A (en) * 1995-04-21 1996-11-12 General Electric Company Assembly of a composite blade root and a rotor
US6290466B1 (en) 1999-09-17 2001-09-18 General Electric Company Composite blade root attachment
US6857856B2 (en) * 2002-09-27 2005-02-22 Florida Turbine Technologies, Inc. Tailored attachment mechanism for composite airfoils
US7300255B2 (en) * 2002-09-27 2007-11-27 Florida Turbine Technologies, Inc. Laminated turbomachine airfoil with jacket and method of making the airfoil
DE10326719A1 (de) * 2003-06-06 2004-12-23 Rolls-Royce Deutschland Ltd & Co Kg Verdichterschaufelfuß für Triebwerksschaufeln von Flugzeugtriebwerken
US20050158171A1 (en) 2004-01-15 2005-07-21 General Electric Company Hybrid ceramic matrix composite turbine blades for improved processibility and performance
DE102004005237B4 (de) * 2004-02-03 2007-03-01 Mtu Aero Engines Gmbh Leitschaufelgitter einer Gasturbine
US7008170B2 (en) * 2004-03-26 2006-03-07 Siemens Westinghouse Power Corporation Compressor diaphragm with axial preload
DE102006049818A1 (de) * 2006-10-18 2008-04-24 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel aus Textilverbundwerkstoff
GB2443482A (en) * 2006-11-02 2008-05-07 Smiths Group Plc Propeller blade retention
DE102006061916A1 (de) * 2006-12-21 2008-06-26 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel für ein Gasturbinentriebwerk
US7758307B2 (en) * 2007-05-17 2010-07-20 Siemens Energy, Inc. Wear minimization system for a compressor diaphragm
US8206118B2 (en) * 2008-01-04 2012-06-26 United Technologies Corporation Airfoil attachment
US8123463B2 (en) * 2008-07-31 2012-02-28 General Electric Company Method and system for manufacturing a blade
FR2957051B1 (fr) * 2010-03-08 2012-05-11 Snecma Attache de pale recevant un pied de pale dans un brochage
US8573947B2 (en) * 2010-03-10 2013-11-05 United Technologies Corporation Composite fan blade dovetail root
FR2963383B1 (fr) * 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
US8794925B2 (en) * 2010-08-24 2014-08-05 United Technologies Corporation Root region of a blade for a gas turbine engine
US10041354B2 (en) * 2011-09-14 2018-08-07 General Electric Company Blade and method for manufacturing blade
US9611746B2 (en) * 2012-03-26 2017-04-04 United Technologies Corporation Blade wedge attachment
US9115584B2 (en) * 2012-04-24 2015-08-25 General Electric Company Resistive band for turbomachine blade
US20150192023A1 (en) * 2012-06-08 2015-07-09 Nicholas Joseph Kray Mechanical Interlock Feature for Multi-Material Airfoils
US10633985B2 (en) * 2012-06-25 2020-04-28 General Electric Company System having blade segment with curved mounting geometry
US9664052B2 (en) 2012-10-03 2017-05-30 General Electric Company Turbine component, turbine blade, and turbine component fabrication process
FR2998827B1 (fr) * 2012-12-05 2015-02-06 Snecma Procede de fabrication d'un pied d'aube de turbomachine en materiau composite et pied d'aube obtenu par un tel procede
US9777579B2 (en) 2012-12-10 2017-10-03 General Electric Company Attachment of composite article
US9797257B2 (en) 2012-12-10 2017-10-24 General Electric Company Attachment of composite article
US9506356B2 (en) * 2013-03-15 2016-11-29 Rolls-Royce North American Technologies, Inc. Composite retention feature
US10774660B2 (en) 2013-10-14 2020-09-15 Raytheon Technologies Corporation Blade wedge attachment lay-up
CN105899762B (zh) 2014-01-16 2017-11-07 通用电气公司 复合叶根应力消除衬垫
US10174624B1 (en) * 2014-06-05 2019-01-08 United Technologies Corporation Composite blade root lay-up
DE102015223404B4 (de) * 2015-11-26 2019-01-31 Airbus Defence and Space GmbH Zugprobe, Verfahren zum Herstellen einer Zugprobe, Vorrichtung zur Durchführung eines Zugversuchs und Verfahren zur Durchführung eines Zugversuchs
JP6738850B2 (ja) * 2018-03-29 2020-08-12 三菱重工業株式会社 複合材料翼および複合材料翼の製造方法
FR3080322B1 (fr) * 2018-04-20 2020-03-27 Safran Aircraft Engines Aube comprenant une structure en materiau composite et procede de fabrication associe
FR3123378B1 (fr) * 2021-05-27 2023-05-26 Safran Aircraft Engines Embuvage différencié des torons du renfort fibreux d’une aube de soufflante
US12123321B2 (en) * 2022-12-27 2024-10-22 General Electric Company Composite airfoil assembly having a dovetail portion
US12078080B1 (en) 2023-04-21 2024-09-03 General Electric Company Airfoil assembly with a trunnion and spar
US11846192B1 (en) 2023-04-21 2023-12-19 General Electric Company Airfoil assembly with a trunnion and spar
US12163445B1 (en) * 2023-06-29 2024-12-10 General Electric Company Composite airfoil assembly having a dovetail
US12173622B1 (en) * 2023-10-13 2024-12-24 Rtx Corporation Composite blade with tapered root section
US12535009B1 (en) 2025-02-13 2026-01-27 General Electric Company Airfoil assembly

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749029A (en) * 1948-11-26 1956-06-05 Sintercast Corp America Compressor blade
US2821357A (en) * 1950-05-09 1958-01-28 Maschf Augsburg Nuernberg Ag Connection of ceramic and metallic machine parts
GB709636A (en) * 1951-05-09 1954-06-02 Rolls Royce Improvements in or relating to compressor and turbine bladed rotors
GB734157A (en) * 1952-09-04 1955-07-27 Maschf Augsburg Nuernberg Ag Improvements in or relating to ceramic rotor blades for axial flow turbines, compressor and pumps
CH317252A (de) * 1952-09-06 1956-11-15 Maschf Augsburg Nuernberg Ag Laufrad für axial durchströmte Kreiselradmaschinen
US2950083A (en) * 1954-07-23 1960-08-23 Thompson Ramo Wooldridge Inc Blade assembly
DE1025421B (de) * 1955-10-31 1958-03-06 Maschf Augsburg Nuernberg Ag Befestigung von Lauftschaufeln sproeden Werkstoffes in metallischem Schaufeltraeger
US3132841A (en) * 1958-05-12 1964-05-12 Gen Motors Corp Compressor blade and manufacture thereof
FR1281033A (fr) * 1961-02-15 1962-01-08 Daimler Benz Ag Montage d'aubes mobiles en céramique sur des machines à rotors centrifuges traversés axialement par des courants, en particulier sur des turbines à gaz
DE1251338B (de) * 1962-12-14 1967-10-05 Aktiengesellschaft Brown, Boveri &. Cie , Baden (Schweiz) Verfahren zum Befestigen von Schaufeln in Turbmenlaufern
US3600103A (en) * 1969-10-06 1971-08-17 United Aircraft Corp Composite blade
US3679324A (en) * 1970-12-04 1972-07-25 United Aircraft Corp Filament reinforced gas turbine blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110315770A (zh) * 2018-03-29 2019-10-11 三菱重工业株式会社 复合材料叶片以及复合材料叶片的制造方法

Also Published As

Publication number Publication date
GB1355751A (en) 1974-06-05
SE385038B (sv) 1976-05-31
US3752600A (en) 1973-08-14
AU4592872A (en) 1974-03-07
DE2240970C2 (de) 1983-01-13
IT971617B (it) 1974-05-10
DE2240970A1 (de) 1973-06-14
AU456333B2 (en) 1974-12-12
FR2164134A5 (show.php) 1973-07-27

Similar Documents

Publication Publication Date Title
CA959034A (en) Root pads for composite blades
CA1004986A (en) Composite compressor blade
CA962601A (en) Turbine rotor
CA960147A (en) Multi-casing turbine
CA951600A (en) Razor blades
CA941746A (en) Blade constraining structure
CA974174A (en) Composite blade root configuration
CA953276A (en) Helicopter blade
CA974175A (en) Composite blade root configuration
CA923043A (en) Rotor blade structure
AU466641B2 (en) Timber blade arrangement
CA954797A (en) Turbomachine structure
CA963666A (en) Blade connecting means
CA958399A (en) Main rotor blade construction
CA980609A (en) Doctor blade assembly
CA948969A (en) Delimbing blade
CA944264A (en) Saw blade
AU459383B2 (en) Advanced geometry main rotor blade
CA884751A (en) Rotor head for helicopter
CA931511A (en) Turbine blade
CA860712A (en) Turbomachinery rotors
CA885271A (en) Turbine brake
CA863702A (en) Composite bladed rotors
CA943466A (en) Turbomachinery blade structure
CA872102A (en) Blade connection for helicopters