Removable device with foldable floats for transforming a monohull vessel into a multihull vessel and vessel comprising the device

Device (1) for transforming a monohull vessel (2) into a multihull vessel, comprising:

• a support structure (3) that is provided to be attached in a removable manner to the vessel (2), whereby the support structure (3) has a geometric axis AA′ which, when the structure (3) is in a multihull configuration position, is horizontal or approximately horizontal, and when projected in the horizontal plane, has an angle of more than 30 degrees with a horizontal geometric axis that is secant to the support structure and that is contained in the longitudinal vertical geometric plane (PP′) that contains a keel line of the vessel (2), and
• at least one lateral float (4) that has a longitudinal axis (FF′) that is contained in the geometric plane that contains the keel line, whereby said float (4) is made integral with this support structure in an articulated manner around at least one geometric axis (BB′) that is secant and oblique to the axis (AA′), and whereby, by the longitudinal geometric axis (FF′), said float (4) can occupy a first deployed stable position along which the float is parallel to the geometric plane (PP′) of the vessel (2), and, by the lowest point of the keel line, the float is placed under the geometric axis (BB′), and a second folded stable position that is separated from the preceding position at an angle,
• wherein the support structure (3) is equipped with at least one cylindrical journal (5) that is engaged in a guide bearing (6) that is formed on the float (4), whereby the median longitudinal axis of the cylindrical journal (5), the longitudinal median axis of the guide bearing (6) and the geometric axis (BB′) are combined.

Device (1) for transforming a monohull vessel (2) into a multihull vessel, comprising:

• a support structure (3) that is provided to be attached in a removable manner to the vessel (2), whereby the support structure (3) has a geometric axis AA′which, when the structure (3) is in a multihull configuration position, is horizontal or approximately horizontal, and when projected in the horizontal plane, has an angle of more than 30 degrees with a horizontal geometric axis that is secant to the support structure and that is contained in the longitudinal vertical geometric plane (PP′) that contains a keel line of the vessel (2), and
• at least one lateral float (4) that has a longitudinal axis (FF′) that is contained in the geometric plane that contains the keel line, whereby said float (4) is made integral with this support structure in an articulated manner around at least one geometric axis (BB′) that is secant and oblique to the axis (AA′), and whereby, by the longitudinal geometric axis (FF′), said float (4) can occupy a first deployed stable position along which the float is parallel to the geometric plane (PP′) of the vessel (2), and, by the lowest point of the keel line, the float is placed under the geometric axis (BB′), and a second folded stable position that is separated from the preceding position at an angle, characterized by an actuator (7) that is integral with the support structure (3) and integral with the float (4) that can place and keep the float (4) either in the deployed position or in the folded position.

Device (1) for transforming a monohull vessel (2) into a multihull vessel, comprising:

• a support structure (3) that is provided to be attached in a removable manner to the vessel (2), whereby the support structure (3) has a geometric axis AA′which, when the structure (3) is in a multihull configuration position, is horizontal or approximately horizontal, and when projected in the horizontal plane, has an angle of more than 30 degrees with a horizontal geometric axis that is secant to the support structure and that is contained in the longitudinal vertical geometric plane (PP′) that contains a keel line of the vessel (2), and
• at least one lateral float (4) that has a longitudinal axis (FF′) that is contained in the geometric plane that contains the keel line, whereby said float (4) is made integral with this support structure in an articulated manner around at least one geometric axis (BB′) that is secant and oblique to the axis (AA′), and whereby, by the longitudinal geometric axis (FF′), said float (4) can occupy a first deployed stable position along which the float is parallel to the geometric plane (PP′) of the vessel (2), and, by the lowest point of the keel line, the float is placed under the geometric axis (BB′), and a second folded stable position that is separated from the preceding position at an angle,
• characterized by an angular stop (30) against which the float (4) abuts in the deployed position.

Device (1) for transforming a monohull vessel (2) into a multihull vessel, comprising:

• a support structure (3) that is provided to be attached in a removable manner to the vessel (2), whereby the support structure (3) has a geometric axis AA′which, when the structure (3) is in a multihull configuration position, is horizontal or approximately horizontal, and when projected in the horizontal plane, has an angle of more than 30 degrees with a horizontal geometric axis that is secant to the support structure and that is contained in the longitudinal vertical geometric plane (PP′) that contains a keel line of the vessel (2), and
• at least one lateral float (4) that has a longitudinal axis (FF′) that is contained in the geometric plane that contains the keel line, whereby said float (4) is made integral with this support structure in an articulated manner around at least one geometric axis (BB′) that is secant and oblique to the axis (AA′), and whereby, by the longitudinal geometric axis (FF′), said float (4) can occupy a first deployed stable position along which the float is parallel to the geometric plane (PP′) of the vessel (2), and, by the lowest point of the keel line, the float is placed under the geometric axis (BB′), and a second folded stable position that is separated from the preceding position at an angle,
• characterized by at least one foil (1) that is articulated to the support structure (3) that can occupy:
• an active position, according to which the foil is immersed at least part-way and is able to generate a lift and according to which the foil just abuts against the float (4), and
• at least one inactive position corresponding to when the foil has fully emerged.

Device (1) for transforming a monohull vessel (2) into a multihull vessel, comprising:

• a support structure (3) that is provided to be attached in a removable manner to the vessel (2), whereby the support structure (3) has a geometric axis AA′ which, when the structure (3) is in a multihull configuration position, is horizontal or approximately horizontal, and when projected in the horizontal plane, has an angle of more than 30 degrees with a horizontal geometric axis that is secant to the support structure and that is contained in the longitudinal vertical geometric plane (PP′) that contains a keel line of the vessel (2), and
• at least one lateral float (4) that has a longitudinal axis (FF′) that is contained in the geometric plane that contains the keel line, whereby said float (4) is made integral with this support structure in an articulated manner around at least one geometric axis (BB′) that is secant and oblique to the axis (AA′), and whereby, by the longitudinal geometric axis (FF′), said float (4) can occupy a first deployed stable position along which the float is parallel to the geometric plane (PP′) of the vessel (2), and, by the lowest point of the keel line, the float is placed under the geometric axis (BB′), and a second folded stable position that is separated from the preceding position at an angle,
• characterized by a foil (10) that is combined with the float (4) and made integral with the float by a strut (105), whereby said foil (10) occupies, when the float is deployed, a position according to which the float is immersed at least part-way and is able to generate lift.