Patent ID: 11198492

Abstract:
Described herein is a system for stabilising a watercraft with a hull. The stabilising system comprises a stabilising fin fixed with respect to a shaft of the fin, a driving system comprising an electric motor with hollow shaft and a reduction gear with hollow shaft for turning the shaft of the fin, and a control system configured for receiving identification data on the roll of the watercraft and for driving the electric motor as a function of the roll. In particular, the casing of the driving system comprises a toroidal portion configured for being inserted in an opening of the hull, wherein the toroidal portion comprises features for fixing the casing to the hull. The reduction gear comprises an output connected to the shaft of the fin and an input. The electric motor is arranged in the toroidal portion and comprises a stator fixed with respect to the casing and a rotor connected to the input of the reduction gear, wherein the shaft of the fin passes through the electric motor and the reduction gear, and the electric motor is arranged between the reduction gear and the stabilising fin.