GB1492671A - Helicopter rotor blade - Google Patents

Helicopter rotor blade

Info

Publication number
GB1492671A
GB1492671A GB23975A GB23975A GB1492671A GB 1492671 A GB1492671 A GB 1492671A GB 23975 A GB23975 A GB 23975A GB 23975 A GB23975 A GB 23975A GB 1492671 A GB1492671 A GB 1492671A
Authority
GB
United Kingdom
Prior art keywords
spar
aft
secured
skin
tip
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
GB23975A
Other languages
English (en)
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.)
Textron Inc
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Publication of GB1492671A publication Critical patent/GB1492671A/en
Expired legal-status Critical Current

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
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/463—Blade tips
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
GB23975A 1974-01-03 1975-01-03 Helicopter rotor blade Expired GB1492671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43034474A 1974-01-03 1974-01-03

Publications (1)

Publication Number Publication Date
GB1492671A true GB1492671A (en) 1977-11-23

Family

ID=23707141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23975A Expired GB1492671A (en) 1974-01-03 1975-01-03 Helicopter rotor blade

Country Status (6)

Country Link
JP (1) JPS50117200A (enExample)
CA (1) CA1016524A (enExample)
DE (1) DE2461008C2 (enExample)
FR (1) FR2256868B1 (enExample)
GB (1) GB1492671A (enExample)
IT (1) IT1026166B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3070371A1 (fr) * 2017-08-31 2019-03-01 Airbus Helicopters Pale, rotor muni de cette pale et aeronef muni de ce rotor
CN110884684A (zh) * 2019-12-04 2020-03-17 中国直升机设计研究所 一种直升机无轴承尾桨叶弹击后的强度试验设计方法
CN113165738A (zh) * 2018-11-30 2021-07-23 列奥纳多股份公司 用于能够悬停的飞行器的旋翼
CN115416840A (zh) * 2021-05-31 2022-12-02 惠阳航空螺旋桨有限责任公司 一种航空螺旋桨防雷击系统设计

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507149A1 (fr) * 1981-06-05 1982-12-10 Onera (Off Nat Aerospatiale) Extremite de pale pour voilure tournante d'aeronef et voilure tournante pourvue de telles extremites de pale
US4585086A (en) * 1983-08-18 1986-04-29 Honda Giken Kogyo Kabushiki Kaisha Motor vehicle frame material and frame construction using the same
FR2912990B1 (fr) * 2007-02-23 2009-04-24 Eurocopter France Pale de giravion pourvue d'un troncon radial et d'au moins un troncon en fleche avant et/ou arriere

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034985B (de) * 1953-10-21 1958-07-24 Parsons Corp Metallischer Drehfluegel
US2884078A (en) * 1953-10-21 1959-04-28 Parsons Corp Rotor blade structure having spanwise reinforcing members
US3155166A (en) * 1962-09-17 1964-11-03 Parsons Corp Rotor blade including improved attachment of filled aft structure
GB1082352A (en) * 1964-10-02 1967-09-06 Parsons Corp Improved airfoil construction
GB1214858A (en) * 1968-05-20 1970-12-09 Westland Aircraft Ltd Improvements in or relating to the construction of rotor blades for rotary wing aircraft

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3070371A1 (fr) * 2017-08-31 2019-03-01 Airbus Helicopters Pale, rotor muni de cette pale et aeronef muni de ce rotor
CN113165738A (zh) * 2018-11-30 2021-07-23 列奥纳多股份公司 用于能够悬停的飞行器的旋翼
CN113165738B (zh) * 2018-11-30 2024-04-02 列奥纳多股份公司 用于能够悬停的飞行器的旋翼
CN110884684A (zh) * 2019-12-04 2020-03-17 中国直升机设计研究所 一种直升机无轴承尾桨叶弹击后的强度试验设计方法
CN110884684B (zh) * 2019-12-04 2022-04-12 中国直升机设计研究所 一种直升机无轴承尾桨叶弹击后的强度试验设计方法
CN115416840A (zh) * 2021-05-31 2022-12-02 惠阳航空螺旋桨有限责任公司 一种航空螺旋桨防雷击系统设计

Also Published As

Publication number Publication date
DE2461008A1 (de) 1975-07-17
FR2256868A1 (enExample) 1975-08-01
JPS50117200A (enExample) 1975-09-12
CA1016524A (en) 1977-08-30
IT1026166B (it) 1978-09-20
DE2461008C2 (de) 1985-09-26
FR2256868B1 (enExample) 1979-04-27

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950102