Improvements to fluid rotors with adjustable vanes

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism configured to control the variations in inclination of the vanes according to the angular position of said structure, according to a setting law, said mechanism comprising, for each vane, a transmission in a generally radial direction between a driving element rotating with the rotor and a driven element driven eccentrically at the vane, characterized in that it comprises means for varying the setting law by means of a central control comprising a control element able to move along the main axis and a set of return elements able to generate a displacement of the driven elements respectively associated with each vane.

Watercraft, comprising a pair of main thrusters comprising counter-rotating rotors, each rotor with adjustable vanes comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position so as to exert thrust on the water in a determined direction, characterized in that means are provided for directing the thrust of the two rotors in two generally opposite lateral directions in order to ensure braking of the vehicle.

Watercraft, comprising a pair of thrusters comprising counter-rotating rotors, each rotor comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position so as to exert thrust on the water in a determined direction, characterized in that thrust correction means are provided that are capable of adjusting the thrust direction of each rotor on either side of a direction located along the main axis of the vehicle.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position, characterized in that each vane is at least partially elastically deformable.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position, said mechanism comprising, in association with each vane, a driven element (53) synchronized with a corresponding driving element (52) located on the axis of the rotor via a link (51) closed on itself such as a toothed belt or a chain, characterized in that one (52) of the elements is circular, and the other element (53) is non-circular, with a number of notches or teeth identical to that of the circular element, so as to directly ensure variations in the angular position of the vanes during the rotation of the rotary structure.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism associated with each vane for controlling the variations in inclination of said vane according to the angular position of said rotary structure, said mechanism comprising a set of generally radial transmissions between driving elements arranged adjacent to the axis of the rotor and each of said mechanisms, characterized in that it further comprises a release and resetting mechanism comprising a key able to move along the axis of the rotor with respect to said driving elements.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and means for controlling the variations in inclination of each vane according to the angular position of the rotor, characterized in that said means comprise a set of individual actuators controlled non-mechanically from the rotor to vary individually in a potentially adjustable manner and potentially program the pitch variations of the associated vane.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position, said mechanism comprising, in association with each vane, a driven element synchronized with a corresponding driving element located on the axis of the rotor via a link closed on itself such as a toothed belt or a chain, characterized in that it comprises a mechanism for holding each link under tension.

Watercraft, in particular a sailboat, is proposed, comprising an engine coupled to an immersed rotor with adjustable vanes, said rotor comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position, characterized in that the rotor has a first operating mode as a thruster while being driven by the engine, and a second drift or rudder operating mode.

Rotor with adjustable vanes is proposed, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of each vane according to the angular position of said rotary structure, each vane being mounted cantilevered on said rotary structure, characterized in that quick mounting devices are provided for mounting the vanes on rotary supports subject to said mechanism.

Rotor with adjustable vanes, comprising a rotary structure rotating about a main axis and comprising a set of vanes rotating about a series of vane axes parallel to the main axis and defined by said rotary structure, and a mechanism for controlling the variations in inclination of said rotary structure according to its angular position, said mechanism comprising, in association with each vane, a driven element synchronized with a driving element located on the axis of the rotor via a link closed on itself such as a toothed belt or a chain, characterized in that a single link is provided between a single driving element located on the axis of the rotor and said driven elements.