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| Number | Title | Issue Date |
| 8020806 | Aeronautical high-lift system with an overload safety device An aeronautical high-lift system comprising a drive unit, elements for the transmission of the drive energy to drive stations of individual segments of landing flap/slat flap systems as well as comprising an overload safety device, with the overload safety device ha... | 09/20/2011 |
| 7338018 | Systems and methods for controlling aircraft flaps and spoilers Systems and methods for controlling aircraft flaps and spoilers. Systems in accordance with some embodiments include a wing having a trailing edge, and a flap positioned proximate to the wing trailing edge and being deployable relative to the wing between a first fl... | 03/04/2008 |
| 7229046 | Servo mounting system for direct drive of an aircraft control surface This invention is a servo mounting system, which allows a servo with a rotating output shaft to directly power an aircraft control surface. A specially designed servo mount securely positions the servo with the central axis of its rotational output shaft on, and axi... | 06/12/2007 |
| 7121505 | Method of control for toy aircraft The invention described here offers a low-cost method of remote flight control suitable for use in toy airplanes and ornithopters (flapping-wing aircraft). To accomplish this, the aircraft is powered by a reversible electric motor. The propeller or flapping wing pro... | 10/17/2006 |
| 7007897 | Flight control actuation system A flight control actuation system comprises a controller, electromechanical actuator and a pneumatic actuator. During normal operation, only the electromechanical actuator is needed to operate a flight control surface. When the electromechanical actuator load level ... | 03/07/2006 |
| 6450445 | Stabilizing control apparatus for robtic or remotely controlled flying platform A robotic or remotely controlled flying platform (10) with reduced drag stabilizing control apparatus constructed having an air duct (12) with an air intake (14) on the top and an exhaust (16) at the bottom, containing supported therein a clockwise rotati... | 09/17/2002 |
| 6349900 | Actuator system for aerospace controls and functions An actuator system (10, 100, 200) for use in an aircraft control or operating system, comprising a controller (12) operable in response to an input for generating a control signal, and an electrical actuator (20) responsive to the control signal for opera... | 02/26/2002 |
| 5927656 | Wing leading edge flap and method therefor A leading edge flap system for an airplane includes a flap which is rotated about a single hinge point between (i) a retracted position, (ii) an intermediate extended position for high speed maneuvering, and (iii) a fully extended position for low speed m... | 07/27/1999 |
| 5913492 | System for controlling an aircraft control surface tab A system for controlling the tab (6) of an aircraft control surface (3) having a pair of position sensors (12 and 15) that supply information regarding the turning of the control surface (3) and the position of a jack (13), respectively, on the basis of s... | 06/22/1999 |
| 5806805 | Fault tolerant actuation system for flight control actuators A fault tolerant actuation system (12) for flight control systems is provided. The fault tolerant actuation system (12) includes a plurality of primary flight computers (14a, 14b, and 14c) with corresponding power control units (24a, 24b, and 24c). Each p... | 09/15/1998 |
| 5769362 | Aircraft control mechanism for a speed brake An aircraft control mechanism for a speed brake includes a shaft, an outer sleeve surrounding the shaft and a sprag clutch. The mechanism also includes input and output elements and a control element with the input element tied to the outer sleeve. The co... | 06/23/1998 |
| 5657949 | Method and apparatus for providing a dynamic thrust asymmetry rudder compensation command with no direct thrust measurement A method and apparatus for producing a dynamic thrust asymmetry airplane rudder compensation command with no direct thrust measurement is disclosed. An excess thrust estimate based on measured acceleration along the flight path of the airplane and measure... | 08/19/1997 |
| 5598991 | Method and apparatus for detecting oscillatory phenomena indicative of airflow separation A method and apparatus for detecting oscillatory phenomena indicative of airflow separation or sensor common mode oscillatory failure is disclosed. The oscillations of a differential pressure transducer that senses the pressure difference on the opposite ... | 02/04/1997 |
| 5005788 | Geared rotary actuator A geared rotary actuator comprises at least two axially aligned compound epicyclic gear trains driven by an input shaft so that output ring gears in each train rotate relatively. Sun gears in adjacent gear trains are drivingly coupled to the input shaft t... | 04/09/1991 |
| 4683407 | Authority limiter An authority limiter includes an input shaft clutched to an output shaft. The output shaft is geared to a motor. Opto-sensors provide control signals to a current source supplying power to the motor. Different amounts of opposing torque are applied by the... | 07/28/1987 |
| 4191347 | Flap control circuitry An aircraft flap sensing and control circuit for sensing and controlling the position of the flaps and for sensing and comparing the instantaneous movement and position of the flaps mounted on opposite wings of the aircraft.... | 03/04/1980 |
