Patent ID: 8070094
Filing Date: 2011-12-06
Classification: B64C,F16H,H02K

Abstract:
1. A landing gear system comprising: a landing gear strut rotatable between stowed and deployed positions; an actuator connected to the landing gear strut, and including main and emergency drives housed within a common body and operable independently from one another, wherein the main and emergency drives respectively include main and emergency electric motors; a controller in communication with the actuator and configured to command the actuator between the stowed and deployed positions in response to an input, the controller commanding the main drive during a normal operating condition and commanding the emergency drive in a failure condition of the main drive; and a lockstay that cooperates with the landing gear strut to lock the landing gear strut in the deployed position, and an unlock actuator coupled to the lockstay and configured to move the lockstay from a locked condition to an unlocked condition.