CA974175A - Composite blade root configuration - Google Patents

Composite blade root configuration

Info

Publication number
CA974175A
CA974175A CA156,913A CA156913A CA974175A CA 974175 A CA974175 A CA 974175A CA 156913 A CA156913 A CA 156913A CA 974175 A CA974175 A CA 974175A
Authority
CA
Canada
Prior art keywords
blade root
composite blade
root configuration
configuration
composite
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
CA156,913A
Other languages
English (en)
Other versions
CA156913S (en
Inventor
Walter Pilpel
Alf S. Alver
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 CA974175A publication Critical patent/CA974175A/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
    • F01D5/14—Form or construction
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA156,913A 1972-03-15 1972-11-17 Composite blade root configuration Expired CA974175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23475572A 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
CA974175A true CA974175A (en) 1975-09-09

Family

ID=22882679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,913A Expired CA974175A (en) 1972-03-15 1972-11-17 Composite blade root configuration

Country Status (8)

Country Link
US (1) US3749518A (ja)
JP (1) JPS48102305A (ja)
CA (1) CA974175A (ja)
DE (1) DE2307566A1 (ja)
FR (1) FR2176350A5 (ja)
GB (1) GB1408491A (ja)
IT (1) IT981350B (ja)
SE (1) SE382658B (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942231A (en) * 1973-10-31 1976-03-09 Trw Inc. Contour formed metal matrix blade plies
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
FR2608674B1 (fr) * 1986-12-17 1991-04-19 Snecma Roue de turbine a aubes ceramique
US4746271A (en) * 1987-03-25 1988-05-24 Hayes-Albion Corporation Synthetic fan blade
GB9828484D0 (en) 1998-12-24 1999-02-17 Rolls Royce Plc Improvements in or relating to bladed structures for fluid flow propulsion engines
ES2243358T3 (es) * 2001-04-04 2005-12-01 Siemens Aktiengesellschaft Turbina y alabe de turbina.
GB0428368D0 (en) * 2004-12-24 2005-02-02 Rolls Royce Plc A composite blade
US7713029B1 (en) 2007-03-28 2010-05-11 Florida Turbine Technologies, Inc. Turbine blade with spar and shell construction
US7972113B1 (en) 2007-05-02 2011-07-05 Florida Turbine Technologies, Inc. Integral turbine blade and platform
GB0815483D0 (en) * 2008-08-27 2008-10-01 Rolls Royce Plc Blade arrangement
GB0815482D0 (en) * 2008-08-27 2008-10-01 Rolls Royce Plc A blade and method of making a blade
GB0815475D0 (en) * 2008-08-27 2008-10-01 Rolls Royce Plc A blade
US8727730B2 (en) * 2010-04-06 2014-05-20 General Electric Company Composite turbine bucket assembly
EP2644834A1 (de) * 2012-03-29 2013-10-02 Siemens Aktiengesellschaft Turbinenschaufel sowie zugehöriges Verfahren zum Herstellen einer Turbinenschaufel
EP2644828A1 (de) * 2012-03-29 2013-10-02 Siemens Aktiengesellschaft Modulare Turbinenschaufel mit Plattform
US9506356B2 (en) * 2013-03-15 2016-11-29 Rolls-Royce North American Technologies, Inc. Composite retention feature
FR3080322B1 (fr) * 2018-04-20 2020-03-27 Safran Aircraft Engines Aube comprenant une structure en materiau composite et procede de fabrication associe
US11280202B2 (en) * 2020-04-06 2022-03-22 Raytheon Technologies Corporation Balanced composite root region for a blade of a gas turbine engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132841A (en) * 1958-05-12 1964-05-12 Gen Motors Corp Compressor blade and manufacture thereof
GB1268202A (en) * 1968-08-01 1972-03-22 Rolls Royce Composite blade for an elastic fluid flow machine
GB1319235A (en) * 1969-07-18 1973-06-06 Dowty Rotol Ltd Devices of fibrous-reinforced plastics material
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

Also Published As

Publication number Publication date
IT981350B (it) 1974-10-10
SE382658B (sv) 1976-02-09
US3749518A (en) 1973-07-31
AU5285373A (en) 1974-09-05
FR2176350A5 (ja) 1973-10-26
JPS48102305A (ja) 1973-12-22
GB1408491A (en) 1975-10-01
DE2307566A1 (de) 1973-09-27

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