Patent ID: 7098619
Filing Date: 2006-08-29
Classification: B64C,Y02T

Abstract:
1. An actuator and movement linkage system for moving a load in relation to a carrying structure, including an electric motor system, an actuator device connectable or connected to the load to move the load, the actuator device connected to the electric motor system to be driven thereby, transfer units provided for mechanically connecting the actuator device to move the load, fault tolerant and release devices both in the electrical motor system and the actuator device and arranged to make the actuator and movement linkage system fault tolerant to at least single faults in other parts of the actuator and movement linkage system, wherein the electrical motor system includes an electric motor having stator windings, power switches for supplying current to the motor windings, power control units, a rail voltage system including voltage rails, rail voltage capacitors connected between the voltage rails, motor control processors, the fault tolerant and release devices include