FR2660620B1 - Rotor principal d'helicoptere du type spherique. - Google Patents

Rotor principal d'helicoptere du type spherique.

Info

Publication number: FR2660620B1
Authority: FR; France
Prior art keywords: helicopter; main rotor; spherical type; spherical; type
Prior art date: 1990-04-06
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 - Lifetime

Application number

FR9104205A

Other languages

English (en)

Other versions

FR2660620A1 (fr

Inventor

Pancotti Santino

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.)

Agusta SpA

Original Assignee

Agusta SpA

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.)

1990-04-06

Filing date

1991-04-05

Publication date

1993-02-12

1991-04-05 Application filed by Agusta SpA filed Critical Agusta SpA

1991-10-11 Publication of FR2660620A1 publication Critical patent/FR2660620A1/fr

1993-02-12 Application granted granted Critical

1993-02-12 Publication of FR2660620B1 publication Critical patent/FR2660620B1/fr

2011-04-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- B64C27/35—Rotors having elastomeric joints
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/37—Rotors having articulated joints
- B64C27/41—Rotors having articulated joints with flapping hinge or universal joint, common to the blades
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Support Of The Bearing (AREA)
Toys (AREA)
Jellies, Jams, And Syrups (AREA)
Friction Gearing (AREA)

FR9104205A 1990-04-06 1991-04-05 Rotor principal d'helicoptere du type spherique. Expired - Lifetime FR2660620B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT67262A IT1240177B (it)	1990-04-06	1990-04-06	Rotore principale per elicotteri

Publications (2)

Publication Number	Publication Date
FR2660620A1 FR2660620A1 (fr)	1991-10-11
FR2660620B1 true FR2660620B1 (fr)	1993-02-12

Family

ID=11300951

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR9104205A Expired - Lifetime FR2660620B1 (fr)	1990-04-06	1991-04-05	Rotor principal d'helicoptere du type spherique.

Country Status (6)

Country	Link
US (1)	US5165853A (fr)
JP (1)	JP2612110B2 (fr)
DE (1)	DE4111324C2 (fr)
FR (1)	FR2660620B1 (fr)
GB (1)	GB2243590B (fr)
IT (1)	IT1240177B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5620305A (en) *	1995-03-20	1997-04-15	The Boeing Company	Hub for rotary wing aircraft
US5826822A (en) *	1996-04-19	1998-10-27	Rehm; Rehm N.	System and method for providing cyclic and collective pitch control in a rotary wing aircraft
DE19960198A1 (de) *	1999-12-14	2001-06-28	Pfisterer Kontaktsyst Gmbh	Mittel zum Festlegen eines Gegenstandes, insbesondere Klemmschraube, Distanzierelement für ein solches Mittel und Schraubverbindungsklemme mit einem solchen Mittel
DE10100872A1 (de) *	2001-01-11	2002-07-18	Ltn Servotechnik Gmbh	Vorrichtung zum Drehen eines Körpers um zwei Achsen
FR2837462B1 (fr)	2002-03-20	2004-05-28	Eurocopter France	Rotor de giravion a entrainement homocinetique
US7083142B2 (en) *	2004-04-21	2006-08-01	Sikorsky Aircraft Corporation	Compact co-axial rotor system for a rotary wing aircraft and a control system thereof
US7097169B2 (en) *	2004-08-04	2006-08-29	Skf Usa Inc.	Elastomeric bearing with modified cylindrical core
MX2007015457A (es) *	2005-06-07	2008-02-25	Bell Helicopter Textron Inc	Junta de velocidad constante mejorada para ejes de convertiplano.
CA2592947C (fr) *	2005-11-30	2011-10-11	Bell Helicopter Textron Inc.	Dispositif de transmission de couple pour aeronef a voilure tournante
BRPI0620973A2 (pt) *	2006-01-13	2011-11-29	Bell Helicopter Textron Inc	cubo de rotor inclinável com articulação cardan rìgido no plano de rotação
US8360721B2 (en) *	2008-01-08	2013-01-29	The Boeing Company	Low maintenance stiff in plane gimbaled rotor head
EP2274203A4 (fr) *	2008-04-23	2014-10-15	Abe Karem	Systèmes de moyeu de rotor et procédés associés
US9555881B2 (en) *	2014-04-02	2017-01-31	The Boeing Company	Propeller/rotor control apparatus and method
US9796469B2 (en) *	2014-04-04	2017-10-24	The Boeing Company	Modular rotor craft rotor hub system
US11292587B2 (en)	2019-08-13	2022-04-05	Lockheed Martin Corporation	Hingeless helicopter rotor with high stiffness and low drag configuration
US12060148B2 (en)	2022-08-16	2024-08-13	Honeywell International Inc.	Ground resonance detection and warning system and method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE653402C (de) *	1933-04-05	1937-11-23	Anton Flettner	Steilschrauber
US2216164A (en) *	1936-03-13	1940-10-01	Autogiro Co Of America	Rotary-wing aircraft
US2639776A (en) *	1942-05-14	1953-05-26	Autogiro Co Of America	Aircraft rotor with tilting hub and damper control of blade swinging
US3087690A (en) *	1961-01-30	1963-04-30	Doman Helicopters Inc	Rotor with two joints in drive shaft
US3080002A (en) *	1961-06-29	1963-03-05	Doman Helicopters Inc	Rotor with fixed pylon
US3700352A (en) *	1971-03-05	1972-10-24	Lord Corp	Rotor system
GB2007176B (en) *	1977-09-07	1982-01-06	Westland Aircraft Ltd	Helicopters
US4297078A (en) *	1978-05-17	1981-10-27	Westland Aircraft Limited	Helicopter rotors
US4306836A (en) *	1978-05-25	1981-12-22	Kaman Aerospace Corporation	Hub assembly
FR2430354A1 (fr) *	1978-07-07	1980-02-01	Aerospatiale	Helice multipale a pas variable d'un type simplifie
FR2458457A1 (fr) *	1979-06-05	1981-01-02	Aerospatiale	Rotor de giravion a moyeu articule compact
US4323332A (en) *	1979-12-21	1982-04-06	United Technologies Corporation	Hingeless helicopter rotor with elastic gimbal hub
DE3006088A1 (de) *	1980-02-19	1981-08-20	Messerschmitt-Bölkow-Blohm GmbH, 8000 München	Rotor eines drehfluegelflugzeugs
DE176466T1 (de) *	1984-09-27	1986-09-04	United Technologies Corp., Hartford, Conn.	Hubschrauberrotor mit einem fuer alle blaetter gemeinsamen gelenk.
US4566856A (en) *	1984-09-27	1986-01-28	United Technologies Corporation	Helicopter gimbal rotor

1990
- 1990-04-06 IT IT67262A patent/IT1240177B/it active IP Right Grant
1991
- 1991-04-05 FR FR9104205A patent/FR2660620B1/fr not_active Expired - Lifetime
- 1991-04-05 GB GB9107159A patent/GB2243590B/en not_active Expired - Lifetime
- 1991-04-05 US US07/681,137 patent/US5165853A/en not_active Expired - Lifetime
- 1991-04-05 JP JP3154176A patent/JP2612110B2/ja not_active Expired - Lifetime
- 1991-04-08 DE DE4111324A patent/DE4111324C2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT9067262A1 (it)	1991-10-06
FR2660620A1 (fr)	1991-10-11
IT1240177B (it)	1993-11-27
JPH06234396A (ja)	1994-08-23
GB9107159D0 (en)	1991-05-22
US5165853A (en)	1992-11-24
JP2612110B2 (ja)	1997-05-21
DE4111324C2 (de)	2003-01-02
IT9067262A0 (it)	1990-04-06
GB2243590B (en)	1994-01-05
DE4111324A1 (de)	1992-04-02
GB2243590A (en)	1991-11-06

Publication	Publication Date	Title
FI893105L (fi)	1989-12-30	Tryckkapsel foer spraybehaollare och spraybehaollare som utnyttjar en saodan kapsel.
DE3766533D1 (de)	1991-01-17	Kinderlaufstuhl.
FR2660620B1 (fr)	1993-02-12	Rotor principal d'helicoptere du type spherique.
FR2542694B1 (fr)	1986-02-07	Rotor d'helicoptere
FI890611L (fi)	1989-08-11	3'-deamino-4'-deoxi-4'-amino -antracykliner.
FR2660617B1 (fr)	1994-03-04	Rotor principal d'helicoptere.
FI813919L (fi)	1982-09-03	Foerfarande foer framstaellning av ny terapeutiskt anvaendbar 5,5'-azobissalicylsyra och salter daerav
FI896343A0 (fi)	1989-12-29	Mikrocellskum med slutna celler och foerfarande foer framstaellning av dessa.
FR2545442B1 (fr)	1986-08-08	Rotor d'helicoptere
FR2660619B1 (fr)	1993-01-08	Pale d'helicoptere.
FR2668224B1 (fr)	1994-06-17	Accouplement d'arbre elastique.
FR2660618B1 (fr)	1993-02-12	Rotor principal d'helicoptere de type semi-rigide.
FR2663861B1 (fr)	1993-08-06	Epurateur d'air.
FI900794A0 (fi)	1990-02-16	Anordning foer att avlaegsna avbrutna tunnband i en bal's bandning.
FR2735094B1 (fr)	2000-07-13	Rotor d'helicoptere
NO903347D0 (no)	1990-07-27	Fremgangsmaate for fremstilling av 14,17alfa-ethano- og ethanooestratriener.
FI840108A0 (fi)	1984-01-12	Foerfarande foer framstaellning av nya, terapeutiskt' anvaendbara ortokondenserade pyrrolderivat
FR2607107B1 (fr)	1989-08-18	Rotor d'helicoptere
FR2545441B1 (fr)	1986-08-08	Rotor d'helicoptere
FR2665841B1 (fr)	1992-11-13	Epurateur d'air.
DE69105966D1 (de)	1995-01-26	Herstellung von sphärischen faseraggregat.
NO904108L (no)	1990-09-20	Fremstilling av 2,6-dioksypiperidinderivater.
ES1015152Y (es)	1991-12-16	Vibrador multidireccional.
DE69102195D1 (de)	1994-07-07	Herstellung von 3,3,3-Trifluorpropen-1.
FR2663661B1 (fr)	1994-04-01	Assemblage d'elements de construction.

Legal Events

Date	Code	Title	Description
1996-12-27	CL	Concession to grant licences
2000-08-04	TP	Transmission of property