Patent ID: 8601789

Claim:
A control system of a hydraulic type for a thrust reversal device with which a jet engine nacelle is equipped, and associated with a nozzle variation device, the thrust reversal device comprising: at least one mobile cowl capable of being driven into translation by a plurality of simple action actuators synchronized with each other; at least two primary locks; and at least one tertiary lock, the plurality of simple action actuators being also capable of driving the nozzle variation device, said control system comprising at least one driving unit for the actuators in a variable nozzle mode, and at least one unit for driving the actuators in a thrust reversal mode, wherein the control system comprises at least one additional control unit hydraulically connecting the actuators together, wherein hydraulic supply lines from the control unit in the nozzle mode and from the control unit in the reverser mode are then able to communicate hydraulically with each other, said additional control unit comprising a plurality of control valves laid out so that when the unit for driving the actuators in a nozzle mode is active, a corresponding hydraulic signal controls the valves of the control unit in a position such that the hydraulic supply lines of the actuators from the driving unit according to a reverser mode are cut off.