IL114946A - Fiber reinforced composite spar for a rotary wing aircraft and a method of manufacture thereof - Google Patents

Fiber reinforced composite spar for a rotary wing aircraft and a method of manufacture thereof

Info

Publication number
IL114946A
IL114946A IL11494695A IL11494695A IL114946A IL 114946 A IL114946 A IL 114946A IL 11494695 A IL11494695 A IL 11494695A IL 11494695 A IL11494695 A IL 11494695A IL 114946 A IL114946 A IL 114946A
Authority
IL
Israel
Prior art keywords
manufacture
fiber reinforced
reinforced composite
wing aircraft
rotary wing
Prior art date
Application number
IL11494695A
Other languages
English (en)
Other versions
IL114946A0 (en
Original Assignee
United Technologies 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 Technologies Corp filed Critical United Technologies Corp
Publication of IL114946A0 publication Critical patent/IL114946A0/xx
Publication of IL114946A publication Critical patent/IL114946A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/302—Details of the edges of fibre composites, e.g. edge finishing or means to avoid delamination
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C2027/4733—Rotor blades substantially made from particular materials
    • B64C2027/4736—Rotor blades substantially made from particular materials from composite materials
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IL11494695A 1994-08-31 1995-08-15 Fiber reinforced composite spar for a rotary wing aircraft and a method of manufacture thereof IL114946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1994/009967 WO1996006776A1 (en) 1994-08-31 1994-08-31 Fiber reinforced composite spar for a rotary wing aircraft and method of manufacture thereof

Publications (2)

Publication Number Publication Date
IL114946A0 IL114946A0 (en) 1995-12-08
IL114946A true IL114946A (en) 1999-10-28

Family

ID=22242946

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11494695A IL114946A (en) 1994-08-31 1995-08-15 Fiber reinforced composite spar for a rotary wing aircraft and a method of manufacture thereof

Country Status (11)

Country Link
US (1) US5755558A (enExample)
EP (1) EP0783431B1 (enExample)
JP (1) JP3631493B2 (enExample)
KR (1) KR100311562B1 (enExample)
CA (1) CA2198717C (enExample)
DE (1) DE69422737T2 (enExample)
IL (1) IL114946A (enExample)
TR (1) TR199501085A2 (enExample)
TW (1) TW279149B (enExample)
WO (1) WO1996006776A1 (enExample)
ZA (1) ZA957265B (enExample)

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EP2295235B1 (en) * 2009-08-20 2013-07-03 Siemens Aktiengesellschaft Fiber reinforced plastic-structure and a method to produce the fiber reinforced plastic-structure
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US10406763B2 (en) * 2014-08-15 2019-09-10 Sikorsky Aircraft Corporation Rotor blade spar formation with automated fiber placement
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Also Published As

Publication number Publication date
EP0783431B1 (en) 2000-01-19
DE69422737T2 (de) 2000-08-17
CA2198717C (en) 2005-03-15
KR100311562B1 (ko) 2002-01-17
TR199501085A2 (tr) 1996-06-21
ZA957265B (en) 1996-04-03
CA2198717A1 (en) 1996-03-07
EP0783431A1 (en) 1997-07-16
WO1996006776A1 (en) 1996-03-07
JPH10505033A (ja) 1998-05-19
TW279149B (enExample) 1996-06-21
US5755558A (en) 1998-05-26
DE69422737D1 (de) 2000-02-24
IL114946A0 (en) 1995-12-08
KR970705499A (ko) 1997-10-09
JP3631493B2 (ja) 2005-03-23

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