Abstract: The invention relates to devices, systems, and methods that involve automatically lifting a boat cover above an interior of the boat.

Abstract: Provided is a control system for stabilizing a floating wind turbine, the comprising a detection device for monitoring an offset from a predetermined floater pitch angle and/or an offset from a predetermined floater yaw angle, wherein the detection device is further configured for monitoring an oscillating motion of the floater pitch angle and/or the floater yaw angle, wherein the predetermined floater pitch angle and floater yaw angle define a predetermined balanced state of the floating wind turbine, wherein a threshold of the oscillating motion of the floater pitch angle and the oscillating motion of the floater yaw angle further define the predetermined balanced state of the floating wind turbine, and an actuation device configured for manipulating the oscillating motion of the floater pitch angle and/or the oscillating motion of the floater yaw angle until the predetermined balanced state of the floating wind turbine is met.

Abstract: A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion and having a diameter decreasing from an upstream side on one side in the axis direction toward a downstream side on another side in the axis direction, a flow path being formed between the shroud and the shaft portion and having a flow path cross-sectional area decreasing toward the downstream side; a propeller rotatably provided about an axis between the shaft portion and the shroud and configured to pump a fluid from the upstream side toward the downstream side; and a motor provided to correspond to the propeller, the motor including a rotor having a ring-like shape and being fixed to an outer circumference portion of the propeller and accommodated in the shroud and a stator having a ring-like shape surrounding the rotor and being fixed in the shroud, in which the motor is a conical motor in which diameters of the rotor and the stator decrease from the upstream side toward the downstrea

Abstract: The invention relates to a propulsion system (30) intended to be integrated into a boat (1) and comprising a vertical guide device (31) comprising a member for fixing the vertical guide device (31) to the hull of said boat (1); an electric thruster (32) comprising a gyration box (33), said gyration box (33) being vertically movably mounted on the vertical guide device (31) to be able to adopt an emerged position and a submerged position; a drive system (34) capable of causing a vertical movement of the gyration box (33) of the electric thruster (32) along the guide device (31); a control unit (35) capable of receiving a movement instruction and arranged, in response to said instruction, to control the drive system (34) to cause movement of the gyration box (33) toward the emerged position or toward the submerged position.

Abstract: The invention is directed to a toggle 1 for rigging of a boat or a crane, comprising a first coupling end 100 comprising a first coupling means 110 having a first axis of engagement 120 and a second coupling end 200 comprising a second coupling means 210 having a second axis of engagement 220. The first and the second coupling means 100, 200 are arranged a distance apart from each other. A closed-loop connecting means 300 is made from a fibre-reinforced plastic. The closed-loop connecting means 300 is looped about the first axis of engagement 120 and about the second axis of engagement 220, mechanically interconnecting the first coupling means 110 with the second coupling means 210.

Abstract: A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion, and forming a flow path between the shroud and the shaft portion, the flow path having one side in the axis direction serving as an upstream side and another side in the axis direction serving as a downstream side; a first propeller provided rotatably around the axis between the shaft portion and the shroud; a second propeller provided rotatably around the axis between the shaft portion and the shroud on the downstream side of the first propeller; an outer periphery driving motor provided in the shroud and configured to rotationally drive the first propeller; and an inner periphery driving motor provided in the shaft portion and configured to rotationally drive the second propeller in a direction opposite to the rotational direction of the first propeller.

Abstract: One example provides a seat assembly for a personal watercraft including a rigid seat support. The rigid seat support includes a base element to be rigidly connected to a deck of the personal watercraft, and a cantilever element rigidly connected to the base element and to extend unsupported above the deck in an aft direction when the base element is connected to the deck.

Abstract: A fold assist bimini top includes a bimini frame with a front bow, a front support, a rear bow, and a rear support. The bimini frame is displaceable between an extended position and a retracted position. A canopy secured over the bimini frame is displaceable with the bimini frame between the extended position and the retracted position. A pair of assist straps are configured to facilitate displacement of the bimini frame from the extended position to the retracted position. One of the pair of assist straps is manually displaceable, and one of the assist straps is elastic and is secured at ends thereof to the bimini frame. The elastic assist strap biases the bimini frame toward the retracted position.

Abstract: A propulsion control arrangement operable to control a speed and possible direction of a marine vessel. A marine propulsion control system controlling a carried by a hull of a marine vessel, wherein the marine propulsion control system is adapted to receive an input command from the propulsion control arrangement.

Abstract: This disclosure extends to systems, apparatus, and methods for hydrofoil assemblies with components that may be constructed from multiple materials to achieve reduced weight and/or portion with relatively less rigidity. In one exemplary system, a planing blade has as underlying framework or first structural body including rib elements that define voids. The first structural body may be formed from a relatively stiff and rigid first material to provide strength and rigidity to the component. The voids are filled and at least a portion of the framework covered by a second relatively softer and more flexible material. The second material may cover one or more edges of the planning blade. In some embodiments, a mast member may have a structural member formed from a relatively stiff and rigid first material with at least a portion of the member covered by a second relatively softer and more flexible material.

Abstract: The invention relates to a floating module (1) comprising a plurality of walls (2) extending between a first longitudinal end (4) and a second longitudinal end (6), the floating module (1) comprising a first partition (8) and a second partition (10) connecting each wall (2) of the plurality of walls, defining an internal volume (12) of the floating module (1), characterized in that the floating module (1) comprises at least one extension (14) emerging from an external face (16) of the wall (2), the extension (14) extending longitudinally in projection from the first longitudinal end (4) or from the second longitudinal end (6), the extension (14) and the wall (2) being materially integral. The invention also relates to a method for joining a first floating module (3) and a second floating module (5).

Abstract: Provided is a control system for stabilizing a floating wind turbine, the comprising a detection device for monitoring an offset from a predetermined floater pitch angle and/or an offset from a predetermined floater yaw angle, wherein the detection device is further configured for monitoring an oscillating motion of the floater pitch angle and/or the floater yaw angle, wherein the predetermined floater pitch angle and floater yaw angle define a predetermined balanced state of the floating wind turbine, wherein a threshold of the oscillating motion of the floater pitch angle and the oscillating motion of the floater yaw angle further define the predetermined balanced state of the floating wind turbine, and an actuation device configured for manipulating the oscillating motion of the floater pitch angle and/or the oscillating motion of the floater yaw angle until the predetermined balanced state of the floating wind turbine is met.

Abstract: A system for maintaining a marine vessel in place in a body of water includes a controller in signal communication with a power-deployable anchor and a propulsion-based electronic anchoring system and a user input device in signal communication with the controller. The controller deploys the power-deployable anchor in response to a single user-selected option input via the user input device under a first set of conditions. The controller activates the propulsion-based electronic anchoring system in response to the single user-selected option input via the user input device under a different second set of conditions.

Abstract: A human-powered wheelchair for use on land and in water that comprises flotation and propulsion means. The wheelchair can be propelled by the operator on land in a manner similar to a typical wheelchair. The wheelchair can be propelled in the water by propellers that are mechanically and rotationally coupled to the side wheels of the wheelchair.

Abstract: The present invention provides a forward propulsion system for a wind driven vehicle which includes one or more of a mast or a mast sleeve having a pliant sheet coupler capable of orientation at a mast front with a pliant sheet extending from the pliant sheet coupler over either a mast first side or a mast second side to a connection behind the mast to achieve configurations which move the force vector of the airflow acting on the pliant sheet further toward the forward direction of the wind driven vehicle, as compared to conventional sail configurations, to increase forward thrust and forward velocity of the wind driven vehicle.

Abstract: A convertible seating system for a marine vessel has a leaning post and a reversible seat having a first seat side and a second seat side which is transversely oriented to the first seat side. The reversible seat is coupled to the leaning post and movable into and between a forward seating position located above the leaning post and a rearward seating position located adjacent to the rear of the leaning post. In the forward seating position the first seat side provides a forward seating surface for supporting a seated occupant facing the bow and the second seat side provides a forward backrest surface for supporting the seated occupant facing the bow. In the rearward seating position the second seat side provides a rearward seating surface for supporting a seated occupant facing the stern and the first seat side provides a rearward backrest surface for supporting the seated occupant facing the stern.

Abstract: An outboard engine includes a steering mechanism having a pod propulsion device disposed in water outside a hull; a propulsive drive mechanism that is disposed in the hull and gives a propulsive drive force to the pod propulsion device; and a circulation cooling circuit which has an outward flow path that supplies a cooling oil to the steering mechanism and the propulsive drive mechanism, and an inward flow path which recovers the cooling oil from the steering mechanism and the propulsive drive mechanism, in which the inward flow path and the outward flow path of the circulation cooling circuit communicate with each other inside a case body of the pod propulsion device.

Abstract: A pontoon boat including a thruster system is disclosed.

Abstract: A boat comprises a hull, a primary steering mechanism carried by the hull, a control station located on the hull, a helm located at the control station, and a thruster system carried by the hull. The primary steering mechanism, such as a rudder, is operable via the helm with a helm input being derived from operation of the primary steering mechanism thereby. The thruster system includes at least one thruster mounted to the hull, distinct from the primary steering mechanism, and a controller. The controller receives the helm input and is configured with program instructions to operate the at least one thruster responsive to the helm input to supplement a corresponding movement of the hull. The controller can also automatically operate the thruster responsive to direction, speed and ballast inputs.

Abstract: An offshore drilling vessel includes a hull and at least one opening in the hull arranged to receive an end of at least one submersible cable. The offshore drilling vessel also comprises a cable capture mechanism configured to lift the end of the at least one submersible cable through the at least one opening from a submersed position to a raised position. A cable connector is configured to couple to the end of the at least one submersible cable when the end of the at least one submersible cable is in the raised position such that the offshore drilling vessel comprises an external data and/or power connection via the submersible cable.