Patent ID: 7610871

Claim:
A process to control the underwater navigation of a submarine object having a roll axis along which the object is substantially travelling in a determined direction, the object occupying a reference angular position in relation to said roll axis, corresponding to a substantially zero roll, the process comprising: providing the object with at least one of a fin and a control surface adapted to rotate around a transversal axis which is transverse to said roll axis, said at least one of the fin and the control surface having a determined buoyancy and first and second volumes respectively located, in relation to the direction of travel, behind and in front of said transversal axis of rotation, and, using a torque of said buoyancy, by having one of said first and second volumes more voluminous than the other, so that when the object tilts around the roll axis, the torque created by said buoyancy tends to pivot said at least one of the fin and the control surface around said transversal axis of rotation, bringing about one of a diving and a surfacing attitude, which tends to return the object toward its reference angular position.