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2017
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Invention
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Torque motor with mechanical flexures establishing armature-to-field gaps. A torque motor has a m... |
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2016
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Invention
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Engine and thrust reverser actuation system. A thrust reverser actuation system for a jet engine ... |
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2015
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Invention
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Engine thrust reverser lock. In some aspects, an aircraft engine thrust reverser lock system incl... |
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2014
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Invention
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Engine thrust reverser lock. An aircraft engine thrust reverser lock system (100) includes a pin-... |
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Invention
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Linear actuator and method of operation thereof. A method of locking a linear output member in a ... |
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2013
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Invention
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Position sensing techniques. An apparatus includes a housing which defines a longitudinal axis; a... |
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2012
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Invention
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Robust controller for electro-mechanical actuators employing sliding and second control modes. An... |
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2011
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Invention
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Automatically locking linear actuator. An automatically locking actuator includes a first end con... |
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Invention
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Controller for actuation system employing kalman estimator incorporating effect of system structu... |
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2010
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Invention
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Linear actuator and method of operation thereof. A linear actuator is disclosed. The linear actua... |
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Invention
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System and method for operating a thrust reverser for a turbofan propulsion system. A thrust reve... |
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Invention
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Floating piston actuator for operation with multiple hydraulic systems. A floating piston actuato... |
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Invention
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Shift lock assembly. A shift lock assembly includes a drive member carried by a drive shaft and c... |
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Invention
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Torque motor linearization. A servovalve torque motor includes first and second pole pieces and a... |
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Invention
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Direct drive servovalve having redundant drive motors. A direct drive servovalve (10) includes re... |
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Invention
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Multi-stage fin deployment assembly. A multi-stage fin deployment assembly includes a rotary actu... |
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Invention
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Locking device with a shape memory alloy actuator and method of use. A locking device includes a ... |
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2009
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Invention
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Limited angle external rotor motor actuator system. An actuator system has a external rotor motor... |
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Invention
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Rotary actuator ball-detent locking mechanism. One embodiment is directed to a locking mechanism.... |
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Invention
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Method and apparatus for controlling fluid flow rate characteristics of a valve assembly. A valve... |
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Invention
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Actuator with zero point initialization. The actuator has a shaft having a starting resistance po... |
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2008
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Invention
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Limited angle external rotor motor actuator system. The actuator system has a external rotor moto... |
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Invention
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Lamination having tapered tooth geometry which is suitable for use in electric motor. An electric... |
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Invention
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Motor controller with hall sensor output misalignment compensation using delayed or shifted commu... |
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Invention
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Position sensing assembly. A position sensing assembly includes a bearing element and a helically... |
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Invention
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Method and apparatus for controlling fluid flow rate characteristics of a valve assembly.
A valv... |
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Invention
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Actuator with zero point initialization.
The actuator has a shaft having a starting point resist... |
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Invention
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Hydraulic actuator with floating pistons. A hydraulic actuator is configured to provide redundant... |
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2007
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Invention
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Dual redundant servovalve. A servovalve includes a single motor which actuates separate valve mem... |
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Invention
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Techniques for controlling access through a slot on a projectile. A slot cover actuation assembly... |
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Invention
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Motor controller with hall sensor misalignment compensation. A technique can recover from motor s... |
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Invention
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Motor system employing analog encoded hall effect sensor position information for reduced wiring.... |
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Invention
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Techniques for providing surface control to a guidable projectile. A guidable projectile has a ce... |
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Invention
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Testing an inductive load of a device using a modulated signal. A device has built-in inductive l... |
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Invention
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Actuators.
An actuator has an output ram driven to extend and retract by a rotating lead screw. ... |
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2005
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Invention
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Drive assemblies. A drive assembly for providing two outputs from a motor to actuators or the lik... |
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Invention
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Brushless dc motors with remote hall sensing and methods of making the same. A brushless DC... |
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1998
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G/S
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electromechanical valves for controlling the flow of fluids responsive to electrical signals |
