Passive ship stabilization system using damping along center line only

Claim 1

A PASSIVE STABILIZATION SYSTEM FOR WATER GOING VESSELS COMPRISING AN ELONGATED LIQUID STORAGE MEANS HAVING A LONGITUDINAL AXIS MOUNTED IN THE ROLL PLANE OF THE VESSEL, DAMPING MEANS MOUNTED WITHIN SAID LIQUID STORAGE MEANS AT THE LONGITUDINAL CENTER REGION THEREOF, SAID STORAGE MEANS BEING SUBSTANTIALLY FREE OF DAMPING MEANS THROUGHOUT ITS LENGTH EXCEPT FOR THE SAID DAMPING MEANS AT THE CENTER REGION THEREOF SO THAT SAID DAMPING MEANS AND LIQUID STORAGE MEANS DEFINE ONLY TWO COMMUNICATING COMPARTMENTS WITHIN SAID LIQUID STORAGE MEANS, A BODY OF LIQUID PARTIALLY FILLING SAID STORAGE MEANS SO THAT AN AIR SPACE IS PROVIDED ABOVE THE SURFACE OF THE LIQUID BODY, SAID BODY OF LIQUID HAVING A HEIGHT SUCH THAT THE OSCILLATIONS OF THE ENTIRE BODY ARE TURNED TO THE OSCILLATIONS OF THE VESSEL, SAID DAMPING MEANS ENABLING A SUBSTANTIAL AMOUNT OF LIQUID TRANSFER TO TAKE PLACE FROM ONE OF SAID COMPARTMENTS TO THE OTHER OF SAID COMPARTMENTS IN RESPONSE TO THE ROLL OF THE VESSEL SO THAT THE TIMED ACCUMULATION OF LIQUID IN ONE COMPARTMENT AND REDUCTION OF LIQUID FROM THE OTHER COMPARTMENT IMPARTS A STABILIZING MOVEMENT TO THE VESSEL.