Patent ID: 8647016

Claim:
Submarine pipeline towing equipment comprising: a floater of a prismatic shape with a horizontal or vertical axis, with a variable or partially variable buoyancy, whose lower base is at least partially open by an opening or hole to operate as an air chamber, and including at least one inlet including a first valve through which air is supplied; at least one outlet including a second valve through which air is discharged; an actuator to control the first valve to supply air; an actuator to control the second valve to discharge air; a connector configured to connect the equipment to the pipeline; an air source configured to transfer air to the floater; a first controller configured to control the first valve to supply air in function of a predefined level in the floater; a second controller configured to control the second valve to discharge air in function of distance of the floater itself from a seabed; and an inlet/outlet bidirectional overflow control passage, including at least one hole.