GB1492671A - Helicopter rotor blade - Google Patents

Helicopter rotor blade

Info

Publication number: GB1492671A
Authority: GB; United Kingdom
Prior art keywords: spar; aft; secured; skin; tip
Prior art date: 1974-01-03
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

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.)

1974-01-03

Filing date

1975-01-03

Publication date

1977-11-23

1975-01-03 Application filed by Textron Inc filed Critical Textron Inc

1977-11-23 Publication of GB1492671A publication Critical patent/GB1492671A/en

Status Expired legal-status Critical Current

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 (hu)
CA (1)	CA1016524A (hu)
DE (1)	DE2461008C2 (hu)
FR (1)	FR2256868B1 (hu)
GB (1)	GB1492671A (hu)
IT (1)	IT1026166B (hu)

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

1974
- 1974-12-03 CA CA215,123A patent/CA1016524A/en not_active Expired
- 1974-12-21 DE DE19742461008 patent/DE2461008C2/de not_active Expired
- 1974-12-24 IT IT5476674A patent/IT1026166B/it active
- 1974-12-26 JP JP14850074A patent/JPS50117200A/ja active Pending
1975
- 1975-01-03 GB GB23975A patent/GB1492671A/en not_active Expired
- 1975-01-03 FR FR7500086A patent/FR2256868B1/fr not_active Expired

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
FR2256868B1 (hu)	1979-04-27
IT1026166B (it)	1978-09-20
JPS50117200A (hu)	1975-09-12
FR2256868A1 (hu)	1975-08-01
CA1016524A (en)	1977-08-30
DE2461008C2 (de)	1985-09-26

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Legal Events

Date	Code	Title	Description
1978-04-05	PS	Patent sealed
1995-02-01	PE20	Patent expired after termination of 20 years	Effective date: 19950102