Absstract of: FR3129654A1

Outil pour le montage d’une pale sur une éolienne en mer. L’invention porte sur un outil pour mettre en place ou retirer une pale 11A d’une éolienne 2, cet outil comprenant un palonnier 21 et un positionneur 22, le palonnier étant prévu pour lever la pale à l’aide d’une grue 20A, le palonnier 21 et le positionneur 22 comprenant des moyens 33, 36B, 36H de prise réciproque, le positionneur comprenant des moyens 39 pour le fixer sur des moyens d’élévation 15 et des moyens 35, 37-39, 41-44 pour orienter et déplacer la pale relativement aux moyens d’élévation. Figure pour l’abrégé : figure 2

Absstract of: WO2023093148A1

A semi-submersible-type offshore floating platform having three columns. The floating platform comprises an upper box-type component (10) and a lower box-type component (20). The upper box-type component (10) comprises two oblique components (11) and one transverse component (12), wherein the two oblique components (11) are connected at one end, and two ends of the transverse component (12) are respectively connected to the two oblique components (11). An A-shaped structure is defined by the oblique components (11) and the transverse component (12). The structural center of the upper box-type component (10) is located at the transverse component (12). Three columns (30) are arranged between the upper box-type component (10) and the lower box-type component (20), wherein the top of one column (30) is located at the joint between the ends of the two oblique components (11), and the tops of the other two columns (30) are respectively located at the other ends of the two oblique components (11). Compared with conventional annular and hub-and-spoke structures, the upper structure of the floating platform uses less structural steel or is subjected to smaller structural stress, and the floating platform has a simple structure form, facilitating large-scale batch construction thereof.

Absstract of: WO2023095335A1

[Problem] To make it possible to mount a windmill on a tower of an offshore wind power generation facility without using a large crane ship. [Solution] A method for mounting a windmill on an offshore wind power generation facility comprises: a first step for floating at sea a crane-mounted floating body 2 comprising a tower 6 attached to a floating body 4 similar to a floating body 4 of an offshore wind power generation facility 1, the tower 6 having a crane facility 3 mounted at the top thereof; a second step for causing a barge 37 having a windmill 7 loaded thereon to get close to the crane-mounted floating body 2, and slinging the windmill 7 on a hook of the crane facility 3; a third step for lifting the windmill 7 by draining ballast water of the crane-mounted floating body 2; a fourth step for causing the floating body 4 of the offshore wind power generation facility 1 installed at sea to get close to the crane-mounted floating body 2, and connecting the suspended windmill 7 to the top of the tower 6 of the offshore wind power generation facility 1; and a fifth step for moving ballast water corresponding to the weight of the windmill from the floating body 4 of the offshore wind power generation facility 1 to the crane-mounted floating body 2, to thereby replace the weight of the windmill 7 onto the floating body 4 of the offshore wind power generation facility 1.

Absstract of: WO2022018147A1

This method comprises the following steps: - arranging at least one lower section (38) of a mooring line in the ground (14) at the bottom (26) of the body of water (12); - trapping the lower section (38) in the ground (14); - connecting an upper assembly of the floating installation to the mooring line. The lower section (38) is constituted by a chain, the chain defining, after the connection of the upper assembly, a lower end of the mooring line not provided with a mooring point pre-mounted on the mooring line, in particular an anchor or pile.

Absstract of: US2023160369A1

An off-shore wind turbine system is assembled using a platform or jack-up vessel, and a first base anchored to the seafloor at a bade assembly off-shore location. A buoyant tower is attached to the first base. A crane provided on the platform or jack-up vessel is used to lift blades and blades, which are then coupled to a turbine held in a nacelle provided at the top of the buoyant tower. The buoyant tower, the nacelle, and the blades are detached from the first base. The buoyant tower, the nacelle, and the blades are towed to a wind farm and connected to a second base provided in the wind farm. The buoyant tower, the nacelle, and the blades are further stabilized using mooring lines spanning between the buoyant towers and other bases provided in the wind farm. The first base and/or the second base include anti-rotation features.

Absstract of: US2023159141A1

A method of assembling and deploying a floating offshore wind turbine (FOWT) platform includes floating a buoyant floater and a hollow outer tank in a floating assembly, placing permanent ballast material in the outer tank to define a mass, and sinking the mass to a seabed. The buoyant floater is moved to a position over the mass. Transit lines are attached between a lifting device in the buoyant floater and the mass to define a FOWT platform. The mass is lifted to a point directly under the buoyant floater and the FOWT platform is towed to an installation site. Mooring lines are attached between anchors in the seabed and the buoyant floater, and the mass is lowered to a depth wherein suspension lines attached thereto are taught, the mass with the suspension lines defining a suspended mass. The transit lines are then stored or removed from the mass.

Absstract of: WO2023088788A1

Installation (1) for the load-out into the water of a heavy load (10) located onshore, in particular a load constituted by a tripod- or tetrapod-type float, having: - at least two support structures (20) that are independent of one another and can be moved on the respective paths, each of which being equipped with lifting means (60) configured to be hooked to the load, each of these support structures being equipped with a counterweight (22), - the installation being configured to allow the lifting means (60) of the support structures, when the load is positioned in the load-out area, to extend at least partially above the water in order to lower the load into it.

Absstract of: US2023160368A1

A moored floating offshore wind semi-submersible platform with at least three columns characterized in that columns are supported on a T-shaped underwater hull made up of two elongated pontoons, where one pontoon is perpendicular to the other pontoon and a method that allow that the semi-submersible platform is constructed in hull-assemblies and blocks at a first location, transported efficiently to a second location close to the final offshore location where the hull-assemblies and blocks may be assembled quay-side while floating in the water. The platform will support at least one wind turbine on a supporting structure (tower) but may also support two turbines and in the latter case the platform will be moored offshore with a mooring turret to allow the platform to align in a favourable direction to the wind.

Absstract of: WO2023090737A1

The present invention relates to an offshore wind power generator installation method, specifically, to an offshore wind power generator installation method using an offshore structure for installing an offshore wind power generator, the method comprising: a floating body fixing preparation step in which a tugboat is used to move, to an installation point, a floating body which has no self-propulsion ability and floats on the sea, and on which disassembled components of an offshore wind power generator are loaded; a floating body support step in which legs, that each have a bar shape and are provided to be vertically movable at each edge of the floating body, are moved downward so that the lower portions thereof are fixed to the seabed; and a floating body fixing step in which the floating body is moved along the upper portions of the legs having the lower portions fixed to the seabed, so as to be fixed at a position above from the sea surface, and thus the present invention enables the disassembled and loaded components of the offshore wind power generator to be moved close to the installation point so as to be stably and quickly assembled, and enables low cost operation.

Absstract of: WO2023090607A1

The present invention relates to an offshore structure for installing an offshore wind turbine. In particular, in order to be able to load components of a disassembled offshore wind turbine, work stably and quickly in close proximity to an installation point, and reduce manufacturing and operating costs, the present invention relates to an offshore structure for installing an offshore wind turbine comprising: a floating body capable of floating on the sea without self-propulsion and loaded with components of a disassembled offshore wind turbine; a lift body installed on the upper surface of the floating body and capable of moving the loaded components of the offshore wind turbine in backward-and-forward, right-and-left, and up-and-down directions; and legs having a rod shape and movable in the vertical direction at each edge of the floating body, and moved downward to fix lower portions thereof to the sea floor, wherein the floating body may be moved along upper portions of the legs of which the lower portions are fixed to the sea floor to be positioned above sea level.

Absstract of: WO2023087081A1

The invention relates to wind power generation, and more particularly to systems for producing power at sea using floating vessels. The invention solves the problem of providing more efficient use of floating wind power systems. The problem of interest is solved in that a wind power system comprises a floating base in the form of a ship having on its deck three wind turbines on vertical posts, one of which is disposed on a fixed platform on the fore part of the deck, said ship additionally being provided with two rotating platforms, capable of moving in a horizontal plane, for receiving the other two wind turbines, wherein the rotating platforms are arranged symmetrically along the sides of the aft part of the ship, one on the left and the other on the right, with one end of each rotating platform being hinged to the hull of the ship and the other end supporting the base of a wind turbine post, the posts of all three wind turbines being mounted so that they can be raised and lowered and being coupled to their respective platforms by hinged joints, wherein each post is provided with its own lowering and raising mechanism, and each rotating platform is provided with its own mechanism for movement in a horizontal plane.

Absstract of: AU2021364092A1

Techniques are disclosed herein for minimizing movement of an offshore wind turbine. Using the technologies described, a wind turbine may be mounted on a marine platform that is constructed and deployed to reduce environmental loads (e.g., wind, waves,...) on the platform in both shallow and deep water. In some configurations, a fully restrained platform (FRP) is configured to support a wind turbine. According to some examples, moorings are attached to the FRP and/or the structure of the wind turbine structure to reduce movement in six degrees of freedom.

Absstract of: EP4183672A1

Installation (1) for the load-out into the water of a heavy load (10) located onshore,in particular a load constituted by a tripod- or tetrapod-type float, having:- at least two support structures (20) that are independent of one another and can be moved on the respective paths, each of which being equipped with lifting means (60) configured to be hooked to the load, each of these support structures being equipped with a counterweight (22),- the installation being configured to allow the lifting means (60) of the support structures, when the load is positioned in the load-out area, to extend at least partially above the water in order to lower the load into it.

Absstract of: WO2023088788A1

Installation (1) for the load-out into the water of a heavy load (10) located onshore, in particular a load constituted by a tripod- or tetrapod-type float, having: - at least two support structures (20) that are independent of one another and can be moved on the respective paths, each of which being equipped with lifting means (60) configured to be hooked to the load, each of these support structures being equipped with a counterweight (22), - the installation being configured to allow the lifting means (60) of the support structures, when the load is positioned in the load-out area, to extend at least partially above the water in order to lower the load into it.

Absstract of: WO2023084375A1

The quick connector coupling an offshore floating structure to a pre-laid mooring system comprises a base structure (6) coupled to an upper body (2) of the offshore floating structure, a mooring interface (13) attached to a lower body (3) of the pre-laid mooring system, and a locking mechanism comprising a grooved surface (16) formed in the mooring interface (13), locking claws (10) movably mounted on the base structure (6), and a fluid-dynamic device associated to the base structure (6) and operatively connected to move the locking claws (10) between a release position in which the locking claws (10) are withdrawn from the grooved surface (16) of the mooring interface (13) and a lock position in which the locking claws (10) are meshed with the grooved surface (16) of the mooring interface (13).

Absstract of: WO2023082524A1

A compartment (10) hoisting and docking method for mounting an offshore wind turbine by means of a floating ship. A crane (50) is arranged on a deck platform (60) of the floating ship, the crane (50) hoists a compartment (10) provided with a docking positioning device in advance to a predetermined distance above a tower (20) by means of a hoisting tool, then the docking positioning device is connected to the tower (20) by means of chain hoists (36, 36a, 36b, 36c and 36d), the chain hoists (36, 36a, 36b, 36c and 36d) are manually operated to allow flange holes of a compartment flange (11) to be aligned with flange holes of a tower flange (21), at the same time, the crane (50) is operated to lower the compartment (10) until connecting bolts (33) provided in the compartment flange holes in advance extend into the tower flange holes corresponding thereto on a one-to-one basis, and finally, the docking positioning device and the chain hoists (36, 36a, 36b, 36c and 36d) are removed to complete docking construction of the compartment (20) and the tower (10). The problem of reliable docking of the compartment and the tower not being able to be carried out in the process of mounting an offshore wind turbine by means of the floating ship can be solved, and the problems of high manufacturing cost and long construction period caused by large-scale offshore wind turbine mounting by means of a self-elevating ocean platform or a submersible ocean platform are solved.

Absstract of: WO2023082754A1

A modular mounting base and a floating wind turbine, wherein the modular mounting base comprises a body frame structure (2), a main buoy (3), and a clamp used for clamping and fixing the main buoy (3). The clamp is arranged along the circumferential edge of the body frame structure (2), and the clamp comprises two semi-rings hingedly connected to the body frame structure (2) and capable of being opened and closed, and driving members (41) used for driving at least one semi-ring to rotate. The clamp is a structural member used for locking the body frame structure (2) and the main buoy (3), the semi-rings are driven by the driving members of the clamp to be opened and closed to achieve quick dismounting and mounting, thereby facilitating the implementation of modularization, simplifying the dismounting and mounting process, and reducing the dismounting and mounting difficulty.

Absstract of: WO2022008021A1

An offshore structure (1) with tubular braces (110) that are joined by joints (125) at nodes (120). The tubular braces (110) may be made of steel. The joint (125) is formed by means of casted concrete or grout in a receiving joint volume (150) in one or both of the braces (110). Also disclosed is a a keel structure formed by braces (110) and joints (125) as outlined and a combination of a wind turbine and such offshore structure (1).

Absstract of: US2023141253A1

A system that comprises a hull assembly that includes a plurality of outer columns including a first outer column, a second outer column and a third outer column, the plurality of outer columns surrounding and spaced about a central axis Y.

Absstract of: US2023141340A1

A method of operating a downwind floating wind turbine comprising the downwind floating wind turbine floating in a body of water assuming mean heel angle within a range, the mean heel angle defined by a mean pitch angle of a central axis Y of a tower of the downwind floating wind turbine in a direction of wind; and the downwind floating wind turbine operating with a maximum rotor misalignment from a horizontal axis that is perpendicular to gravity while assuming the mean heel angle. The tower includes a turbine with a nacelle, hub and a plurality of blades extending from the hub, the plurality of blades configured to rotate about a rotor axis R, the rotor axis R having rotor tilt angle defined by an angle of rotor axis R relative to a perpendicular axis to the central axis Y.

Absstract of: WO2023081849A1

A system that comprises a hull assembly that includes a plurality of outer columns including a first outer column, a second outer column and a third outer column, the plurality of outer columns surrounding and spaced about a central axis Y.

Absstract of: WO2022003621A1

An offshore assembly to operate a facility, in particular an underwater oil and gas production facility, has: - a semi-submersible support structure (12) arranged in a body of water (3) and having at least one tubular portion (13); a wind turbine (14) to generate electricity and equipped with a tower (15), a nacelle (16) and a blade assembly (18); and at least one back-up power source mounted on the semi-submersible support structure (12) to generate electricity; a plurality of compartments (28,...,37) stacked on top of each other within the tubular portion (13), in which each of the compartments (28,...,37) is dedicated to housing respective equipment to perform respective functions; and a cooling and ventilation system (41) to cool and ventilate said plurality of compartments (28,...,37).

Absstract of: WO2023075321A1

A marine hydrogen charging station according to one embodiment of the present invention comprises: a wind power generation unit provided on a buoyant body floating on the sea and generating electricity by using wind power; an electrolysis unit for electrolyzing seawater by using the electricity generated from the wind power generation unit; and a hydrogen storage unit for storing hydrogen generated from the electrolysis unit.

Absstract of: US2023139764A1

Provided is a power generation system including a wave power generator that can be configured in a simple manner.The power generation system 1 includes: a power generation unit including a wave power generator 11; a power storage unit 40 accumulating electric power obtained by the power generation unit; a production unit 51 producing at least one of hydrogen and an organic hydride based on the electric power obtained by the power storage unit; and a tank 53 located below compared to the wave power generator 11 and storing at least one of the hydrogen and the organic hydride obtained by the production unit 51.

Absstract of: WO2023076918A1

EnergyMaster is an innovative floating hybrid tidal/wave/wind energy harvesting system based on vertical axis turbines for synergized tidal, wave and wind energy production in agriculture and aquaculture applications. EnergyMaster can continuously, and simultaneously, harvest wind and tidal energy in a wide range of wind and tidal current speeds, while providing excellent self-starting capability.