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1945-09-21 |
1951-09-18 |
Bennett James Allan Jamieson |
Rotary wing aircraft structure and interconnected damping device
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US2640553A
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*
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1946-05-30 |
1953-06-02 |
Bristol Aeroplane Co Ltd |
Impeller movement damping device
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US2604953A
(en)
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1946-08-16 |
1952-07-29 |
Firestone Tire & Rubber Co |
Damping device for rotative wing aircraft
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US2640554A
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*
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1946-10-10 |
1953-06-02 |
Autogiro Co Of America |
Mechanism for controlling blade movements of aircraft sustaining rotors
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US2494985A
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1946-10-26 |
1950-01-17 |
Firestone Tire & Rubber Co |
Aircraft rotor damping device
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US2616510A
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*
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1947-11-07 |
1952-11-04 |
Piasecki Helicopter Corp |
Rotor blade damper
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GB787848A
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*
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1954-10-26 |
1957-12-18 |
Saunders Roe Ltd |
Improvements in vibration dampers
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DE1456105A1
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1964-04-24 |
1968-11-28 |
Westland Aircraft Ltd |
Daempfungsvorrichtung fuer die Rotorfluegelanordnungen von Flugzeugen,insbesondere Hubschrauber
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US3310119A
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1964-07-04 |
1967-03-21 |
Westland Aircraft Ltd |
Rotor heads for rotary wing aircraft
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1968-12-06 |
1969-12-16 |
United Aircraft Corp |
Double action damper bumper
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FR2092720B1
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*
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1970-06-11 |
1974-07-12 |
Scemm |
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FR2125150B1
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1971-02-15 |
1973-12-07 |
Aerospatiale |
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1976-10-04 |
1978-08-08 |
United Technologies Corporation |
Helicopter rotor lead-lag damper
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IT1117626B
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1979-02-02 |
1986-02-17 |
Aereonautiche Giovanni Augusta |
Rotore articolato per elicotteri
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US4568245A
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1983-03-22 |
1986-02-04 |
United Technologies Corporation |
Composite helicopter rotor hub
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FR2630703B1
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1988-04-29 |
1990-08-24 |
Aerospatiale |
Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore
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1990-03-13 |
1993-06-15 |
Aerospatiale Societe Nationale Industrielle |
Hydraulic damper and elastic-return strut comprising such a damper
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FR2671049B1
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1990-12-27 |
1993-12-24 |
Aerospatiale |
Corps de moyeu de rotor de giravion.
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FR2733961B1
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1995-05-12 |
1997-07-18 |
Eurocopter France |
Dispositif d'amortissement de trainee des pales d'un rotor
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1995-05-24 |
1997-05-20 |
Membrane Technology And Research, Inc. |
Process for restoring membrane permeation properties
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1995-07-20 |
1998-06-23 |
Eurocopter France |
De-icing connection installation for rotorcraft rotor
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FR2760425B1
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1997-03-06 |
2000-08-04 |
Rene Mouille |
Moyeu pour tete de rotor d'aeronef a voilure tournante et tete de rotor comportant un tel moyeu
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FR2765188B1
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1997-06-30 |
1999-09-17 |
Eurocopter France |
Dispositif pour le repliage d'une pale de rotor de giravion
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FR2766157B1
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1997-07-15 |
1999-10-01 |
Eurocopter France |
Dispositif de protection thermique d'organes elastomeriques, ensemble de tels dispositifs pour la protection par temps froid d'un rotor de giravion, et rotor de giravion equipe d'un tel ensemble
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1997-08-04 |
2000-07-25 |
Lord Corporation |
Fluid and elastomer damper
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FR2810013B1
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2000-06-08 |
2002-09-27 |
Eurocopter France |
Rotor de giravion a pales repliables et installation de connexion electrique de degivrage
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DE60233129D1
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2001-04-19 |
2009-09-10 |
Bell Helicopter Textron Inc |
Rotorsystemschwingungsdämpfer
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FR2835506B1
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2002-02-06 |
2004-03-12 |
Eurocopter France |
Amortisseur de trainee a double piston pour rotor de giravion
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ITTO20020509A1
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2002-06-14 |
2003-12-15 |
Agusta Spa |
Mozzo per un rotore di un elicottero e rotore provvisto di tale mozzo
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JP3851598B2
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2002-08-09 |
2006-11-29 |
川崎重工業株式会社 |
回転翼航空機のロータハブ構造体
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DE602004005989T2
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2004-09-28 |
2007-12-20 |
Agusta S.P.A. |
Hubschrauberrotor mit einem Schwingungsdämpfer
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2005-12-02 |
2012-03-27 |
Sikorsky Aircraft Corporation |
Compact load path swashplate assembly
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FR2910877B1
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2006-12-28 |
2009-09-25 |
Eurocopter France |
Amelioration aux rotors de giravions equipes d'amortisseurs interpales
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EP2197741B1
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2007-09-04 |
2015-03-04 |
Lord Corporation |
Helicopter aircraft vehicle rotor damper
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2008-11-26 |
2014-01-21 |
Lord Corporation |
Fluid elastomeric damper assembly including internal pumping mechanism and volume compensator
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2008-12-09 |
2018-07-11 |
Sikorsky Aircraft Corporation |
Lead stop for rotor system with fluid-elastomeric lead/lag damper
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PT2223854E
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2009-02-25 |
2011-08-30 |
Agusta Spa |
Rotor para helicóptero
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FR2954274B1
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2009-12-17 |
2012-02-24 |
Eurocopter France |
Mecanisme amortisseur de vibrations, et appareil volant muni d'une structure porteuse et d'un rotor muni d'un tel mecanisme
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FR2959484B1
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2010-04-30 |
2012-11-09 |
Eurocopter France |
Dispositif pour reduire les vibrations engendrees par un rotor de sustentation d'un giravion, et moyeu d'un rotor muni d'un tel dispositif.
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EP2601099B1
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2010-08-05 |
2018-07-04 |
LORD Corporation |
Fluid elastomeric damper assembly including internal pumping mechanism and control valve
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FR2974347A1
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2011-04-20 |
2012-10-26 |
Eurocopter France |
Dispositif amortissant d'un rotor, rotor et aeronef associes
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FR2993244B1
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2012-07-12 |
2014-07-18 |
Eurocopter France |
Rotor de giravion equipe d'amortisseurs de trainee loges dans des manchons de liaison de pales a un moyeu du rotor
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US8857757B2
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2012-08-02 |
2014-10-14 |
Bell Helicopter Textron Inc. |
Independent blade control system with hydraulic pitch link
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2012-12-21 |
2017-08-15 |
Bell Helicopter Textron Inc. |
System and method for linkage length adjustment
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2013-03-14 |
2014-09-25 |
Lord Corporation |
Rotary dampers, systems, and related methods
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2013-04-03 |
2016-08-16 |
Sikorsky Aircraft Corporation |
Low drag rotor system
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FR3005301B1
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2013-05-03 |
2015-05-29 |
Eurocopter France |
Rotor carene d'aeronef, et giravion
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EP2818407B1
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2013-06-24 |
2016-12-21 |
AIRBUS HELICOPTERS DEUTSCHLAND GmbH |
Rotor system of a helicopter
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2013-12-20 |
2017-09-19 |
Bell Helicopter Textron Inc. |
Rotor hub damper for a rotorcraft
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2014-03-10 |
2017-09-19 |
Bell Helicopter Textron Inc. |
Articulated main rotor hub with inwardly CF bearing and 3% flapping hinge offset
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FR3020341B1
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2014-04-24 |
2016-04-29 |
Airbus Helicopters |
Rotor comportant un mecanisme de butee en trainee, et aeronef
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2014-05-21 |
2017-05-23 |
Bell Helicopter Textron Inc. |
Adjustable blade-to-hub lead-lag damper attachment
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2016-02-16 |
2019-11-12 |
Bell Helicopter Textron Inc. |
Rotor assembly with high lock-number blades
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2016-12-12 |
2019-12-31 |
Textron Innovations Inc. |
Soft-in-plane proprotor systems
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2017-05-09 |
2020-06-23 |
Textron Innovations Inc. |
Tail rotor integrated damper attachment
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2017-06-28 |
2019-10-29 |
Bell Textron Inc. |
Articulated rotor systems with pitch independent damping
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2017-08-23 |
2019-10-22 |
Bell Helicopter Textron Inc. |
Adaptable rotor control system for a variable number of blades
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2017-08-31 |
2019-07-23 |
Bell Helicopter Textron Inc. |
Adaptable rotor control system for a variable number of blades
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2017-09-29 |
2020-09-15 |
Bell Textron Inc. |
Rotor hub with blade-to-blade dampers attached to the pitch change axis
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