BR8803308A - Pa para asa giratoria de aeronave - Google Patents

Pa para asa giratoria de aeronave

Info

Publication number: BR8803308A
Authority: BR; Brazil
Prior art keywords: wing aircraft; aircraft rotating; rotating; wing; aircraft
Prior art date: 1987-06-29

Application number

BR8803308A

Other languages

English (en)

Inventor

Alain Eric Vuillet

Jean Jacques Philippe

Andre Desopper

Original Assignee

Aerospatiale

Onera (Off Nat Aerospatiale)

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.)

1987-06-29

Filing date

1988-06-29

Publication date

1989-01-24

1988-06-29 Application filed by Aerospatiale, Onera (Off Nat Aerospatiale) filed Critical Aerospatiale

1989-01-24 Publication of BR8803308A publication Critical patent/BR8803308A/pt

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/463—Blade tips

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Wind Motors (AREA)
Toys (AREA)

BR8803308A 1987-06-29 1988-06-29 Pa para asa giratoria de aeronave BR8803308A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8709150A FR2617118B1 (fr)	1987-06-29	1987-06-29	Pale a extremite courbe pour voilure tournante d'aeronef

Publications (1)

Publication Number	Publication Date
BR8803308A true BR8803308A (pt)	1989-01-24

Family

ID=9352630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8803308A BR8803308A (pt)	1987-06-29	1988-06-29	Pa para asa giratoria de aeronave

Country Status (8)

Country	Link
US (1)	US4880355A (pt)
EP (1)	EP0298826B1 (pt)
JP (1)	JP2624785B2 (pt)
BR (1)	BR8803308A (pt)
DE (1)	DE3863989D1 (pt)
ES (1)	ES2024667B3 (pt)
FR (1)	FR2617118B1 (pt)
IN (1)	IN169631B (pt)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8815955D0 (en) *	1988-07-05	1988-11-16	Westland Helicopters	Helicopter rotor blades
FR2636593B1 (fr) *	1988-09-19	1990-11-23	Aerospatiale	Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale
GB9022281D0 (en) *	1990-10-13	1991-02-20	Westland Helicopters	Helicopter rotor blades
GB9023141D0 (en) *	1990-10-24	1991-07-10	Westland Helicopters	Helicopter rotor blades
US5137427A (en) *	1990-12-20	1992-08-11	United Technologies Corporation	Quiet tail rotor
GB9112835D0 (en) *	1991-06-14	1992-05-27	Westland Helicopters	Helicopter rotor blades
US5213287A (en) *	1991-11-04	1993-05-25	Barron David R	Wing modification method and apparatus
FR2689852B1 (fr) *	1992-04-09	1994-06-17	Eurocopter France	Pale pour voilure tournante d'aeronef, a extremite en fleche.
FR2755941B1 (fr) *	1996-11-19	1999-01-15	Eurocopter France	Pale a extremite en fleche pour voilure tournante d'aeronef
US6024325A (en) *	1997-01-09	2000-02-15	Cartercopters, Llc	Rotor for rotary wing aircraft
JP3916723B2 (ja) *	1997-05-15	2007-05-23	富士重工業株式会社	回転翼航空機の回転翼羽根
JP3189251B2 (ja) *	1999-03-12	2001-07-16	株式会社コミュータヘリコプタ先進技術研究所	回転翼機のロータブレード
FR2793766B1 (fr)	1999-05-21	2001-07-13	Eurocopter France	Pale pour voilure tournante d'aeronef
US6497385B1 (en)	2000-11-08	2002-12-24	Continuum Dynamics, Inc.	Rotor blade with optimized twist distribution
FR2865189B1 (fr) *	2004-01-21	2007-02-16	Eurocopter France	Pale de voilure tournante a double fleche et effilement limites.
WO2006059472A1 (ja) *	2004-11-30	2006-06-08	Global Energy Co., Ltd.	プロペラ並びに横軸風車
US7600976B2 (en)	2005-05-31	2009-10-13	Sikorsky Aircraft Corporation	Rotor blade twist distribution for a high speed rotary-wing aircraft
US7252479B2 (en) *	2005-05-31	2007-08-07	Sikorsky Aircraft Corporation	Rotor blade for a high speed rotary-wing aircraft
US7690895B2 (en) *	2005-07-29	2010-04-06	General Electric Company	Multi-piece passive load reducing blades and wind turbines using same
US8357023B2 (en)	2006-01-19	2013-01-22	Silverlit Limited	Helicopter
BE1016960A3 (nl)	2006-01-19	2007-11-06	Rostyne Alexander Jozef Magdal	Verbeterde helikopter.
US7662013B2 (en)	2006-01-19	2010-02-16	Silverlit Toys Manufactory Ltd.	Helicopter with horizontal control
US7883392B2 (en)	2008-08-04	2011-02-08	Silverlit Toys Manufactory Ltd.	Toy helicopter
US8002604B2 (en)	2006-01-19	2011-08-23	Silverlit Limited	Remote controlled toy helicopter
US7815482B2 (en) *	2006-01-19	2010-10-19	Silverlit Toys Manufactory, Ltd.	Helicopter
US7513750B2 (en) *	2006-03-08	2009-04-07	Sikorsky Aircraft Corporation	Rotor blade tip planform
US7762785B2 (en) *	2007-12-10	2010-07-27	Sikorsky Aircraft Corporation	Main rotor blade with integral tip section
US7854595B2 (en) *	2008-07-30	2010-12-21	General Electric Company	Wind turbine blade tip shapes
AT507091B1 (de) *	2008-09-22	2010-02-15	Walter Enthammer	Strömungsmaschine
US8052500B2 (en)	2008-11-25	2011-11-08	Silverlit Limited	Helicopter with main and auxiliary rotors
US8167567B2 (en)	2008-12-17	2012-05-01	United Technologies Corporation	Gas turbine engine airfoil
USD790139S1 (en)	2010-10-15	2017-06-20	Spectrum Brands, Inc.	Convex blade grooming tool
USD790140S1 (en)	2010-10-15	2017-06-20	Spectrum Brands, Inc.	Concave blade grooming tool
GB2486021B (en) *	2010-12-02	2017-07-19	Agustawestland Ltd	Aerofoil
IN2012DE00573A (pt) *	2012-02-29	2015-06-05	Gen Electric
US9017036B2 (en)	2012-02-29	2015-04-28	United Technologies Corporation	High order shaped curve region for an airfoil
US9845683B2 (en)	2013-01-08	2017-12-19	United Technology Corporation	Gas turbine engine rotor blade
WO2015126449A1 (en) *	2014-02-19	2015-08-27	United Technologies Corporation	Gas turbine engine airfoil
CN104044736B (zh) *	2014-07-08	2016-04-13	天津宏泽天成科技有限公司	无人直升机旋翼桨尖
US10899440B2 (en) *	2017-03-09	2021-01-26	Sikorsky Aircraft Corporation	Rotor blade tip design for improved hover and cruise performance
US11498671B2 (en) *	2019-05-13	2022-11-15	Lockheed Martin Corporation	Replacement tip section for a rotor blade and method of replacing a rotor blade tip section

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1692081A (en) *	1925-11-24	1928-11-20	Cierva Juan De La	Aircraft with rotative wings
US1967795A (en) *	1932-09-07	1934-07-24	Vickers Aviat Ltd	Cantilever wing for aircraft
US3411738A (en) *	1966-10-27	1968-11-19	William E. Sargent	Airfoil tip
US3721507A (en) *	1971-09-22	1973-03-20	United Aircraft Corp	Blade for high speed helicopter
US4334828A (en) *	1980-01-21	1982-06-15	United Technologies Corporation	Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
US4324530A (en) *	1980-01-21	1982-04-13	United Technologies Corp.	Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
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

1987
- 1987-06-29 FR FR8709150A patent/FR2617118B1/fr not_active Expired - Lifetime
1988
- 1988-06-24 ES ES88401610T patent/ES2024667B3/es not_active Expired - Lifetime
- 1988-06-24 DE DE8888401610T patent/DE3863989D1/de not_active Expired - Lifetime
- 1988-06-24 EP EP88401610A patent/EP0298826B1/fr not_active Expired - Lifetime
- 1988-06-24 US US07/211,420 patent/US4880355A/en not_active Expired - Lifetime
- 1988-06-27 IN IN520/CAL/88A patent/IN169631B/en unknown
- 1988-06-29 JP JP63159588A patent/JP2624785B2/ja not_active Expired - Lifetime
- 1988-06-29 BR BR8803308A patent/BR8803308A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
JP2624785B2 (ja)	1997-06-25
US4880355A (en)	1989-11-14
ES2024667B3 (es)	1992-03-01
FR2617118B1 (fr)	1992-08-21
JPS6422698A (en)	1989-01-25
DE3863989D1 (de)	1991-09-05
FR2617118A1 (fr)	1988-12-30
EP0298826A1 (fr)	1989-01-11
IN169631B (pt)	1991-11-23
EP0298826B1 (fr)	1991-07-31

Publication	Publication Date	Title
BR8803308A (pt)	1989-01-24	Pa para asa giratoria de aeronave
BR8806736A (pt)	1989-08-29	Arranjo para aprisionamento da pa de helice para aeronave
BR8702398A (pt)	1988-02-17	Trem de aterrissagem de eixo longitudinal para aeronave
ES535978A0 (es)	1985-11-16	Procedimiento para preparar derivados de tiazol
IT1164415B (it)	1987-04-08	Velivolo ad ali rotanti
DK267587D0 (da)	1987-05-26	Luftfartoej med roterende vinger
ES557522A0 (es)	1988-03-01	Procedimiento para preparar derivados de cinolina
MX164766B (es)	1992-09-23	Procedimiento para la obtencion de derivados de cefem
ES557692A0 (es)	1988-03-01	Procedimiento para preparar derivados de imidazolilalquilguanidina
BR8205876A (pt)	1983-09-06	Perfis especialmente perfis de asa de sustentacao para aeronaves
ES552955A0 (es)	1987-11-01	Procedimiento para preparar derivados de bencimidazol substituidos
ES534377A0 (es)	1985-10-01	Procedimiento para preparar derivados de antraciclina
BR8003392A (pt)	1980-12-30	Aperfeicoamento em roda para aeronave
AR231950A1 (es)	1985-04-30	Neumatico para aeronave
FR2588822B1 (fr)	1988-08-26	Aile pour aeronefs legers
ES530626A0 (es)	1984-11-01	Procedimiento para preparar derivados de ciano-2-imidazopiridina
ES557596A0 (es)	1987-10-16	Procedimiento para la obtencion de derivados de hexosa acilados
KR870700547A (ko)	1987-12-29	비행기 날개
FR2590230B1 (fr)	1991-05-03	Voilure de parachute
ES555036A0 (es)	1987-07-16	Procedimiento para preparar derivados de oxadiazolilimidazobenzodiazepina
BR8705117A (pt)	1989-04-11	Eixo eletromagnetico para aeronave
ES557598A0 (es)	1987-10-16	Procedimiento para la obtencion de derivados de hexosa acilados
BR6700947U (pt)	1988-12-13	Asa para sacolas
BR6700131U (pt)	1988-08-23	Aviao para aeromodelismo
BR8501360A (pt)	1986-11-04	Atomizador para avioes ultraleves

Legal Events

Date	Code	Title	Description
2008-09-02	B21A	Expiry acc. art. 78, item i of ipl- expiry of the term of protection	Free format text: PATENTE EXTINTA EM 29/06/2003