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Class Information
Number: 244/99.8
Name: Aeronautics > Aircraft control > Specific control connection or actuator > Actively deformable material (e.g., piezoelectric, shape memory, magnetostrictive, electrostrictive)
Description: Subject matter in which the connection or actuator is formed at least in part of a material that changes its shape in response to an input (e.g., an electrical signal).

Patents under this class:
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Patent Number Title Of Patent Date Issued
8703268 Morphing panel structure Apr. 22, 2014
8662443 Shape memory alloy actuated torsion lock Mar. 4, 2014
8573535 Shape-change material and method Nov. 5, 2013
8528863 Multi-layer metal/shape memory polymer roll-up wing structures for fitment-constrained air vehicles Sep. 10, 2013
8366057 Method and apparatus for pressure adaptive morphing structure Feb. 5, 2013
8346408 Fault tolerant flight control system Jan. 1, 2013
8302904 Dynamic roughness for aerodynamic applications Nov. 6, 2012
8205840 Elongated, torsion-deformable aerodynamic element Jun. 26, 2012
8201773 Flexible self-erecting substructures for sensor networks Jun. 19, 2012
8191826 Device which is subject to fluid flow Jun. 5, 2012
8118264 Shape memory alloy actuator Feb. 21, 2012
8083179 Composite material for geometric morphing wing Dec. 27, 2011
8074938 Active control of a body by altering surface drag Dec. 13, 2011
8074939 Active control of surface drag Dec. 13, 2011
8061986 Wind turbine blades with controllable aerodynamic vortex elements Nov. 22, 2011
8047233 Apparatus and method for generating vortexes in fluid flow adjacent to a surface Nov. 1, 2011
7931240 Cellular support structures used for controlled actuation of fluid contact surfaces Apr. 26, 2011
7901524 Actuation concepts for variable stiffness materials Mar. 8, 2011
7896294 Cover skin for a variable-shape aerodynamic area Mar. 1, 2011
7878459 Aircraft systems with shape memory alloy (SMA) actuators, and associated methods Feb. 1, 2011
7878457 Retractable vortex generator Feb. 1, 2011
7798443 Composite material for geometric morphing wing Sep. 21, 2010
7777165 Methods and apparatus for adjustable surfaces Aug. 17, 2010
7726603 Sandwich-structure flat actuator and application to structural torsion Jun. 1, 2010
7728267 Methods and apparatus for adjustable surfaces Jun. 1, 2010
7720582 Active suspension method and apparatus for a rotary wing aircraft May. 18, 2010
7628352 MEMS control surface for projectile steering Dec. 8, 2009
7550189 Variable stiffness structure Jun. 23, 2009
7464903 Methods and apparatus for vibration and buffet suppression Dec. 16, 2008
7338017 Methods and apparatus for vibration and buffet suppression Mar. 4, 2008
7216831 Shape changing structure May. 15, 2007
6648599 Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade of a helicopter Nov. 18, 2003
6481667 System and method for deflecting an aerodynamic control surface Nov. 19, 2002
6371415 Aerodynamic component with a leading edge flap Apr. 16, 2002
6345792 Actuating device with at least three stable positions Feb. 12, 2002
6231013 Airfoil member with a piezoelectrically actuated servo-flap May. 15, 2001
6220550 Actuating device with multiple stable positions Apr. 24, 2001
6082672 Actuator for an aircraft flight control surface Jul. 4, 2000
6076776 Profile edge of an aerodynamic profile Jun. 20, 2000
6065934 Shape memory rotary actuator May. 23, 2000
6010098 Aerodynamic structure, for a landing flap, an airfoil, an elevator unit or a rudder unit, with a changeable cambering Jan. 4, 2000
5934609 Deformable propeller blade and shroud Aug. 10, 1999
5752672 Remotely controllable actuating device May. 19, 1998
5626312 Piezoelectric actuator May. 6, 1997
5529458 Circulation control aerofoils Jun. 25, 1996
5375793 Process for the control of the control surfaces of an aircraft for the low speed compensation of a lateral path deviation Dec. 27, 1994
5374011 Multivariable adaptive surface control Dec. 20, 1994
5366176 Feedback-stabilized aerodynamically overbalanced lifting/control surface for aircraft Nov. 22, 1994
5150864 Variable camber control of airfoil Sep. 29, 1992
5114104 Articulated control surface May. 19, 1992

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