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1. WO2007099333 - ACTIONNEUR TOLERANT AU BLOCAGE

Numéro de publication WO/2007/099333
Date de publication 07.09.2007
N° de la demande internationale PCT/GB2007/000726
Date du dépôt international 01.03.2007
CIB
F16H 25/20 2006.01
FMÉCANIQUE; ÉCLAIRAGE; CHAUFFAGE; ARMEMENT; SAUTAGE
16ÉLÉMENTS OU ENSEMBLES DE TECHNOLOGIE; MESURES GÉNÉRALES POUR ASSURER LE BON FONCTIONNEMENT DES MACHINES OU INSTALLATIONS; ISOLATION THERMIQUE EN GÉNÉRAL
HTRANSMISSIONS
25Transmissions comportant essentiellement et uniquement des systèmes came et galet ou des mécanismes à vis et écrous
18pour convertir un mouvement oscillant en mouvement alternatif et vice versa ou pour transmettre ces mouvements
20Mécanismes à vis
CPC
B64C 13/341
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
13Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
24Transmitting means
26without power amplification or where power amplification is irrelevant
28mechanical
341having duplication or stand-by provisions
B64C 25/30
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
25Alighting gear
02Undercarriages
08non-fixed, e.g. jettisonable
10retractable, foldable, or the like
18Operating mechanisms
26Control or locking systems therefor
30emergency actuated
F16H 2025/2059
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
25Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
18for conveying or interconverting oscillating or reciprocating motions
20Screw mechanisms
2059Superposing movement by two screws, e.g. with opposite thread direction
F16H 25/205
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
25Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
18for conveying or interconverting oscillating or reciprocating motions
20Screw mechanisms
205comprising alternate power paths, e.g. for fail safe back-up
Y10T 74/18576
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
74Machine element or mechanism
18Mechanical movements
18568Reciprocating or oscillating to or from alternating rotary
18576including screw and nut
Y10T 74/18672
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
74Machine element or mechanism
18Mechanical movements
18568Reciprocating or oscillating to or from alternating rotary
18576including screw and nut
18672Plural screws in series [e.g., telescoping, etc.]
Déposants
  • AIRBUS UK LIMITED [GB]/[GB] (AllExceptUS)
  • DIDEY, Arnaud [FR]/[GB] (UsOnly)
  • ELLIOTT, Nicholas [GB]/[GB] (UsOnly)
Inventeurs
  • DIDEY, Arnaud
  • ELLIOTT, Nicholas
Mandataires
  • PEARSON, James, Ginn
Données relatives à la priorité
0604131.301.03.2006GB
Langue de publication anglais (EN)
Langue de dépôt anglais (EN)
États désignés
Titre
(EN) JAM-TOLERANT ACTUATOR
(FR) ACTIONNEUR TOLERANT AU BLOCAGE
Abrégé
(EN)
An actuator (2) comprises first and second linear motion devices, each able to extend the actuator (2) and arranged such that jamming of one of the first or second linear motion devices does not preclude operation of the other. The first linear motion device comprises a first linear screw (10), a first nut (12), and a first prime mover (14) arranged to impart relative linear motion between the screw and nut. Similarly, the second linear motion device comprises a second linear screw (20), a second nut (22), and a second prime mover (24) arranged to impart relative linear motion between the second screw and nut. The first linear screw (10) may have a bore (18) in which the second linear screw (20) is accommodated when the actuator (2) is in the retracted position.
(FR)
Actionneur (2) comprenant un premier et un second dispositifs de mouvement linéaire, chacun susceptible de déployer l'actionneur (2) et disposé tel que le blocage du premier ou du second dispositif de mouvement linéaire n'empêche pas le fonctionnement de l'autre. Le premier dispositif de mouvement linéaire comprend une première vis (10) linéaire, un premier écrou (12) et un premier moteur (14) configuré pour permettre un mouvement linéaire relatif entre la vis et l'écrou. De manière similaire, le second dispositif de mouvement linéaire comprend une seconde vis (20) linéaire, un second écrou (22) et un second moteur (24) configuré pour permettre un mouvement linéaire relatif entre la vis et l'écrou. La première vis linéaire (10) peut comprendre un trou (18) dans lequel la seconde vis linéaire (20) est disposée lorsque l'actionneur (2) est dans la position rétractée.
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