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Class 244/99.8 - Actively deformable material (e.g., piezoelectric, shape memory, magnetostrictive, electrostrictive)


Subclass of Class 244 - Aeronautics and astronautics
Definition: Subject matter in which the connection or actuator is formed
No. of patents: 17
Last issue date: 12/27/2011


NumberTitleIssue Date
8083179Composite material for geometric morphing wing
An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with increased adaptability to various flight conditions throughout a flight en...
12/27/2011
7798443Composite material for geometric morphing wing
An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with increased adaptability to various flight conditions throughout a flight en...
09/21/2010
7726603Sandwich-structure flat actuator and application to structural torsion
The present invention relates to a sandwich-structure flat active actuator that is symmetrical relative to the mid-plane comprising at least one piezoelectric flat layer having an active direction superpose and fixedly attached to at least one passive flat layer of ...
06/01/2010
7367530Aerospace vehicle yaw generating systems and associated methods
Aerospace vehicle yaw generating systems and associated methods are disclosed herein. One aspect of the invention is directed toward a yaw generating system that can include an aerospace vehicle having a fuselage with a first portion and a second portion. The system...
05/06/2008
7340883Morphing structure
An apparatus is provided that includes a body having a first wall and a second wall, at least one appending structure extending from an end of the body and at least one actuator positioned between the first and second walls. The actuator includes first end coupled t...
03/11/2008
7341222Micro-unmanned aerodynamic vehicle
A MEMS-based micro-unmanned vehicle includes at least a pair of wings having leading wing beams and trailing wing beams, at least two actuators, a leading actuator beam coupled to the leading wing beams, a trailing actuator beam coupled to the trailing wing beams, a...
03/11/2008
7338017Methods and apparatus for vibration and buffet suppression
Apparatus and methods for hybrid actuation and suppressing vibration are disclosed. In one embodiment, a hybrid actuator includes a first actuator and a second actuator linked to move a component a combined actuation distance. The first actuator may include a hydrau...
03/04/2008
7305817Sinuous chevron exhaust nozzle
A gas turbine engine exhaust nozzle includes a row of laterally sinuous chevrons extending from an aft end of an exhaust duct. The chevrons have radially outer and inner surfaces bound by a laterally sinuous trailing edge extending between a base of the chevrons adj...
12/11/2007
7258307Device and method for damping at least one of a rigid body mode and elastic mode of an aircraft
A device for damping at least one rigid body mode and/or at least one elastic mode of an aircraft, especially for blast load reduction and increase of stability and comfort, in an airplane having at least one sensor, a regulation unit connected to the sensor, and at...
08/21/2007
7216831Shape changing structure
In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least ...
05/15/2007
7185859Aerospace vehicle yaw generating systems and associated methods
Aerospace vehicle yaw generating systems and associated methods are disclosed herein. One aspect of the invention is directed toward a yaw generating system that can include an aerospace vehicle having a fuselage with a first portion and a second portion. The system...
03/06/2007
7165746Vibration motor primary flight control actuator
The invention provides an actuator for a control surface (7), in particular for a primary flight control of an aircraft, the actuator including a main actuator (3) in a main control line (1) for actuating the control surface (7), the actu...
01/23/2007
7131640Isolator mount for shock and vibration
An isolator mount for the active dissipation of shocks and vibrations is presented. The invention includes at least one energy dissipating element disposed between deflectable elements so as to provide soft damping for small disturbance excitations, yet remaining su...
11/07/2006
7107757Aircraft provided with thrust reversers
Some but not all engines of an aircraft are provided with thrust reversers. A safety device disables, at least from the position corresponding to idling, the action of the throttles corresponding to the engines devoid of thrust reversers when the thrust reversers ar...
09/19/2006
6648599Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade of a helicopter
A force transmitting linkage connects a piezoelectric actuator to a flap that is pivotably connected to a helicopter rotor blade. In a flap actuation control arrangement and method, a force transducer senses the force being transmitted through the linkage...
11/18/2003
4845357Method of actuation and flight control
The method of the invention provides for actuating at least one actuator, such as a piezoelectric transducer in response to movement of a waveguide, such as an optical fiber. In a preferred embodiment of the invention, both the piezoelectric member and th...
07/04/1989
4349169Continuous force actuator
A continuous force actuator having a housing, a pair of slidably mounted T-shaped pistons therein and a plurality of resilient, hollow pressure tubes surrounding each of the pistons. The insertion of fluid into or the removal of fluid from the resilient t...
09/14/1982
 
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