UNMANNED UNDERWATER VEHICLE AND SYSTEM FOR THE MAINTENANCE AND INSPECTION OF UNDERWATER FACILITIES AND METHOD OF MANAGING A TETHER TO SUPPLY POWER AND TO CONTROL SAID UNDERWATER VEHICLE

摘要

An unmanned underwater vehicle for the maintenance and inspection of permanent underwater installations has a frame (21); a plurality of motorized thrusters (22) directable to navigate in a body of water; a tether (16) to supply power and control the underwater vehicle (15) from a remote location; and a tether management device (23) to selectively wind and unwind the tether (16) on board the underwater vehicle (15).