Patent ID: 8226028

Claim:
An engine unit for an aircraft including a turboprop engine together with a device for mounting the turboprop engine on a wing surface of the aircraft, the mounting device comprising: a rigid structure; and fasteners that fasten the turboprop engine on to the rigid structure, wherein the fasteners comprise six mutually independent hydraulic systems, each one exclusively dedicated to transfer, to the rigid structure, forces associated respectively with one of six degrees of freedom of movement associated with the turboprop engine such that each hydraulic system is associated only with a single degree of freedom, wherein each hydraulic system comprises at least one hydraulic jack with a piston attached to one of either the turboprop engine or the rigid structure of the mounting device, together with a cylinder housing the piston and attached to the other of the turboprop engine or the rigid structure of the mounting device such that each of said hydraulic system only reacts to forces from movements of the turboprop engine relative to said rigid structure.