GB2449058B - Blades - Google Patents

Blades

Info

Publication number
GB2449058B
GB2449058B GB0701099A GB0701099A GB2449058B GB 2449058 B GB2449058 B GB 2449058B GB 0701099 A GB0701099 A GB 0701099A GB 0701099 A GB0701099 A GB 0701099A GB 2449058 B GB2449058 B GB 2449058B
Authority
GB
United Kingdom
Prior art keywords
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.)
Active
Application number
GB0701099A
Other versions
GB0701099D0 (en
GB2449058A (en
Inventor
Lee Bateup
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.)
GE Aviation Systems Group Ltd
Original Assignee
GE Aviation Systems Group Ltd
Smiths Aerospace Group Ltd
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 GE Aviation Systems Group Ltd, Smiths Aerospace Group Ltd filed Critical GE Aviation Systems Group Ltd
Priority to GB0701099A priority Critical patent/GB2449058B/en
Publication of GB0701099D0 publication Critical patent/GB0701099D0/en
Priority to PCT/GB2008/000189 priority patent/WO2008087443A1/en
Publication of GB2449058A publication Critical patent/GB2449058A/en
Application granted granted Critical
Publication of GB2449058B publication Critical patent/GB2449058B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B64C11/26—Fabricated blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB0701099A 2007-01-20 2007-01-20 Blades Active GB2449058B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0701099A GB2449058B (en) 2007-01-20 2007-01-20 Blades
PCT/GB2008/000189 WO2008087443A1 (en) 2007-01-20 2008-01-18 Blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0701099A GB2449058B (en) 2007-01-20 2007-01-20 Blades

Publications (3)

Publication Number Publication Date
GB0701099D0 GB0701099D0 (en) 2007-02-28
GB2449058A GB2449058A (en) 2008-11-12
GB2449058B true GB2449058B (en) 2011-08-10

Family

ID=37846682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0701099A Active GB2449058B (en) 2007-01-20 2007-01-20 Blades

Country Status (2)

Country Link
GB (1) GB2449058B (en)
WO (1) WO2008087443A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2466793B (en) 2009-01-07 2011-11-09 Ge Aviat Systems Ltd Composite spars
US8500407B1 (en) 2010-03-28 2013-08-06 The Boeing Company Composite blade root-end drill-through lug and attachment method
FR2970943B1 (en) 2011-01-31 2014-02-28 Eurocopter France BLADE AND METHOD FOR MANUFACTURING THE SAME
US9682773B2 (en) * 2013-06-25 2017-06-20 The Boeing Company Systems and methods for blade attachment
WO2021157675A1 (en) * 2020-02-04 2021-08-12 Hapsmobile Inc. Propeller blade-to-hub coupler for an unmanned aerial vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247285A (en) * 1990-05-25 1992-02-26 Sundstrand Corp Root attachment for composite turbine blade
US5222297A (en) * 1991-10-18 1993-06-29 United Technologies Corporation Composite blade manufacture
US20040078917A1 (en) * 2002-10-28 2004-04-29 Valeo Electrical Systems, Inc. Windshield wiper system and method having braided tubular member
US20050084377A1 (en) * 2003-10-20 2005-04-21 Snecma Moteurs Turbomachine blade, in particular a fan blade, and its method of manufacture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB646636A (en) 1942-03-06 1950-11-29 Lockheed Aircraft Corp Improvements in or relating to a gas-turbine blade and method of making same
GB1262704A (en) * 1968-08-10 1972-02-02 Messerschmitt Boelkow Blohm Helicopter rotor blade
US5674370A (en) 1995-03-31 1997-10-07 Optical Radiation Corporation Method of electroforming an abrasion shield
US5881972A (en) 1997-03-05 1999-03-16 United Technologies Corporation Electroformed sheath and airfoiled component construction
US6676080B2 (en) * 2000-07-19 2004-01-13 Aero Composites, Inc. Composite airfoil assembly
US7165945B2 (en) * 2003-08-22 2007-01-23 Sikorsky Aircraft Corporation Braided spar for a rotor blade and method of manufacture thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247285A (en) * 1990-05-25 1992-02-26 Sundstrand Corp Root attachment for composite turbine blade
US5222297A (en) * 1991-10-18 1993-06-29 United Technologies Corporation Composite blade manufacture
US20040078917A1 (en) * 2002-10-28 2004-04-29 Valeo Electrical Systems, Inc. Windshield wiper system and method having braided tubular member
US20050084377A1 (en) * 2003-10-20 2005-04-21 Snecma Moteurs Turbomachine blade, in particular a fan blade, and its method of manufacture

Also Published As

Publication number Publication date
GB0701099D0 (en) 2007-02-28
WO2008087443A1 (en) 2008-07-24
GB2449058A (en) 2008-11-12

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