A floating platform (1) to support offshore structures intended to generate electricity, this platform comprising a load-bearing support base (2) made of concrete and defining a longitudinal axis (L), this support base (2) being provided with three vertices (3, 4, 5) and an intermediate point (6) located near its geometric center; a plurality of vertical bodies (8) made of concrete which extend from the support base (5) at said vertices (3, 4, 5) and at the intermediate point (6). A vertex (3) of the load-bearing support base (2) is arranged in a longitudinally forward position with respect to the other two vertices (3, 4) and the load-bearing support base (2) comprises a pair of main connection arms (18) suited to directly connect the vertex (3) in a longitudinally forward position with respect to the other two vertices (3, 4) so as to define a substantially arrow-like shape in plan view. A method for the construction of a floating platform (1) to support offshore structures intended to generate electricity.
B63B 75/00 - Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
B63B 5/16 - Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced monolithic
B63B 5/20 - Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements in combination with elements of other materials
2.
FLOATING PLATFORM FOR SUPPORTING OFFSHORE POWER GENERATION STRUCTURES AND METHOD FOR MAKING SAID PLATFORM
A floating platform (1) to support offshore structures intended to generate electricity, this platform comprising a load-bearing support base (2) made of concrete and defining a longitudinal axis (L), this support base (2) being provided with three vertices (3, 4, 5) and an intermediate point (6) located near its geometric center; a plurality of vertical bodies (8) made of concrete which extend from the support base (5) at said vertices (3, 4, 5) and at the intermediate point (6). A vertex (3) of the load-bearing support base (2) is arranged in a longitudinally forward position with respect to the other two vertices (3, 4) and the load-bearing support base (2) comprises a pair of main connection arms (18) suited to directly connect the vertex (3) in a longitudinally forward position with respect to the other two vertices (3, 4) so as to define a substantially arrow-like shape in plan view. A method for the construction of a floating platform (1) to support offshore structures intended to generate electricity.
B63B 1/10 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
B63B 5/20 - Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements in combination with elements of other materials
B63B 5/14 - Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced
F03D 13/25 - Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
B63B 1/12 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
B63B 39/06 - Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
The invention generally relates to two-bladed turbine nacelles and associated teetering hinges. In certain embodiments, the invention provides a hinge assembly encompassing a hub and two double elastomeric teeter bearings. In some aspects, the bearings are self-contained elements that can be preloaded in a controlled manner prior to their incorporation into the larger assembly.
F16F 1/387 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 3/12 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring, e.g. being embedded in it
F16C 17/06 - Sliding-contact bearings for exclusively rotary movement for axial load only with tiltably-supported segments, e.g. Michell bearings
Systems and methods for increasing operational efficiency of wind turbines, especially offshore wind turbines. The invention discloses systems and methods for reducing the torque needed to rotate a rotor shaft axis with respect to the wind direction. Systems and methods for controlling the rotational speed of the rotor shaft axis are also disclosed.
The invention generally relates to two-bladed turbine nacelles and associated teetering hinges. In certain embodiments, the invention provides a hinge assembly encompassing a hub and two double elastomeric teeter bearings. In some aspects, the bearings are self-contained elements that can be preloaded in a controlled manner prior to their incorporation into the larger assembly.
F16F 1/387 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 3/12 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring, e.g. being embedded in it
F16C 17/06 - Sliding-contact bearings for exclusively rotary movement for axial load only with tiltably-supported segments, e.g. Michell bearings
A wind turbine control system includes a thrust sensor and a braking system, and allows an increase in wind rotor load to be detected instantaneously and corrective action to be initiated. The system includes additional features such as deceleration control. In one embodiment, a turbine controller regulates the rate of deceleration of the rotor shaft.
The invention generally relates to two-bladed turbine nacelles and platforms integrated into the nacelle structure. In certain embodiments, the invention provides an assembly encompassing a nacelle that houses a two-bladed turbine and a hoisting platform. The hoisting platform is integrated into the structure of the nacelle so as to form the roof of the nacelle.
Systems for increasing the power productivity of two bladed teetering hinge, yaw controlled wind turbines by varying rotor shaft restraining torque and yaw angle.
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