Class / Patent application number | Description | Number of patent applications / Date published |
416085000 | FLOAT SUPPORTED | 26 |
20080232965 | Articulated False Seabed - A support system for at least one water drivable turbine ( | 09-25-2008 |
20080279687 | Waterwheel Apparatus and Methods - An improved waterwheel and methods for its use are provided. In an exemplary embodiment, the waterwheel is an undershot waterwheel utilized for electrical power generation. In another embodiment, the waterwheel may be partially or fully submerged. The waterwheel of the present invention may additionally be utilized to provide potable water, oxygen and hydrogen gases. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the subject matter of the disclosure contained herein. This Abstract is submitted with the explicit understanding that it will not be used to interpret or to limit the scope or the meaning of the claims. | 11-13-2008 |
20100074750 | Floating Device for Production of Energy from Water Currents - The invention relates to an device for production of energy from currents in water, comprising a first element ( | 03-25-2010 |
20100143131 | Folding blade turbine - A turbine has airfoils that are configured to extract work from a prevailing fluid flow. An actuator causes the airfoils to pivot or fold between a first position with their spans substantially normal to the flow direction and a second position with their spans substantially parallel to the flow direction, or any position in between. The variable geometry allows the airfoils to be sized for relatively light winds and to remain operational in relatively high winds without damage. Under extreme conditions the airfoils may be folded completely for safety. | 06-10-2010 |
20100232962 | Fin-Ring Propreller For a Water Current Power Generation System - A water current power generation system is provided, including a plurality of flotation tubes joined by a body structure; a plurality of ballast chambers joined by a body structure; a plurality of induction type power generation units disposed within housings associated with one or more of the flotation chambers, ballast chambers and body structure; and a plurality of propellers disposed in mechanical communication with each of the induction type generator units. In one presently preferred embodiment, a plurality of propellers disposed in communication with a plurality of induction type generator units, wherein the propellers each include one or more concentrically disposed rings, with each of the concentrically disposed rings having an inner ring member, an outer ring member, and a plurality of curved fin members separated by gap spaces disposed between the inner and outer ring members. Methods and means of deploying, positioning, maintaining, controlling and operating the system are also provided, as are detailed descriptions of novel inductor type generators used to obtain power from fast moving water currents, flotation tanks for tensioning the system against a submerged anchoring system disposed on an associated seafloor, and fluid-filled ballast chambers equipped with multiple sub-chambers that lend precision control and continuous adjustability to the system. | 09-16-2010 |
20100266407 | Wind Turbine with Sail Extensions - A wind turbine ( | 10-21-2010 |
20110311360 | OFFSHORE WIND TURBINE - Offshore wind turbine which includes at least one floating body supporting a wind turbine tower with belonging rotor and machinery house containing components necessary for production of energy based on wind. The at least one floating body consists of a buoyancy body, spacer and ballast structure, the floating body being connected to a steering arm which is further connected to a connecting structure having a turntable which is connected to anchor lines tied to seabed anchors. | 12-22-2011 |
20120093648 | FLOATING, ANCHORED INSTALLATION FOR ENERGY PRODUCTION - A floating, anchored installation for energy production where the installation comprises at least one windmill, and where the installation is provided with at least one float driven pump. | 04-19-2012 |
20120269628 | Device of Floating Wind Turbine Capable of Counterbalancing Torques Therein - A device of floating wind turbine comprises a floating foundation, wind turbines provided on the floating foundation, and a seabed anchor attached to the floating foundation, wherein the floating foundation is symmetrically provided with two wind turbines; the floating foundation and the two wind turbines are attached to the seabed anchor by tethers, whereby when the wind turbines are driven to generate electrical power, they respectively exert an upward force and a downward force at a center portion of the floating foundation between the two wind turbines; both turbines have an approximately equal speed and output power; whereby the upward force can be counterbalanced by the downward force, so that the wind turbines and the floating foundation can be maintained at a balanced condition. | 10-25-2012 |
20120328437 | FLOATING ENERGY PRODUCING PLANT - Floating energy producing plant ( | 12-27-2012 |
20130052015 | ARRANGEMENT AND A METHOD IN CONNECTION WITH A FLOATING WIND TURBINE - The present invention relates to a floating wind turbine ( | 02-28-2013 |
20130064664 | PROPELLER PROPULSION SYSTEM FOR FLOATING STRUCTURES - A floating structure has a hull and a propeller propulsion system having a gear arrangement that is connected via a first intermediate shaft to at least one electromotor, the electromotor being arranged onboard the floating structure, and via a second intermediate shaft to a propeller. The gear arrangement has an angular gear. The first intermediate shaft forms an angle relative to the second intermediate shaft. The gear arrangement is arranged as a separate unit in an appendage or addition to the hull of the floating structure. The appendage or addition is designed to allow an interior thereof to be accessed from within the vessel, whereby maintenance, replacement, or repairs of the gear arrangement can be carried out. The angular gear has at least one angled gearwheel set and one cylindrical gearwheel set. | 03-14-2013 |
20140079548 | FLOATING OFFSHORE WIND TURBINE WITH TUNED MASS DAMPERS - A floating offshore wind turbine comprises a rotor with a plurality of blades, a nacelle and a nacelle support structure having a central longitudinal axis. A plurality of tuned mass damping configurations is arranged around the central longitudinal axis of the nacelle support structure to dampen vibrations in all 6 degrees of freedom. | 03-20-2014 |
20140193259 | OFFSHORE WIND TURBINE GENERATOR CONNECTION ARRANGEMENT AND TOWER SYSTEM - An offshore wind turbine generator comprises an elongated, buoyant tower, having an internal service tube, the service tube extending from the lower end of the tower to above the waterline when in use, a connection arrangement comprising an upper connection assembly, and a lower connection assembly. An intermediate tension/torsion leg is arranged between the upper and lower connection assemblies. The connection assembly is adapted for lowering and raising within the service tube. | 07-10-2014 |
20140234105 | FLOATING WIND TURBINE - A floating wind turbine ( | 08-21-2014 |
20140271196 | APPARATUS FOR PROPELLING FLUID, ESPECIALLY FOR PROPULSION OF A FLOATING VEHICLE - A propeller has a number of blade surfaces or winglets extending helically around its rotational axis in the most streamlined manner. The winglets gradually project at an increasing distance outward with an arcuate shape, each defining a rearwardly concave channel that increases in volume and degree of encirclement rearward on the propeller. In the front of the propeller, the winglets are shaped so that they have edges angled obliquely and diagonally that conformingly and without cavitation cut into the water and cause it to flow smoothly in the channels. In the middle of the propeller, the winglet edges extend rearward so that water entrained in the channel is directed rearward without centrifugal loss. In the rear portion of the propeller, the channels narrow and reduce in volume so as to expel the water from the concavity. | 09-18-2014 |
20150044045 | OFFSHORE WIND TURBINE - An offshore wind turbine comprising a buoyancy structure intended to provide a buoyancy force to support the wind turbine, wherein said buoyancy structure comprises at least one floater tank which, in use, contains a pressurized gas. | 02-12-2015 |
20150071779 | WIND TURBINE ON A FLOATING SUPPORT STABILIZED BY A RAISED ANCHORING SYSTEM - A wind power system comprising a wind turbine resting on a floating support and means for anchoring the system connected to the system by attachment points. The system furthermore comprises means for raising the attachment points above the waterline of the floating support. | 03-12-2015 |
20160061186 | Carbon Fiber Motor Rotor Integrating Propeller Mount - A rotor for use with an airborne wind turbine, wherein the rotor comprises a front flange, a can, a rear flange, and a rigid insert comprising a propeller mount, wherein the front flange, can, and rear flange comprise one of carbon fiber and spun aluminum, wherein a rear end of the front flange is attached to a front end of the can, and the rear flange is mounted to a rear end of the can, wherein the rigid insert is bonded to the front flange; and wherein the rigid insert comprises a tube that axially extends within the rotor to allow for the positioning of a driveshaft therethrough. | 03-03-2016 |
20160061192 | FLOATING WIND TURBINE STRUCTURE - A floating wind turbine structure comprising: a rotor carrying at least one blade, at least two support arms supporting a nacelle, said at least two support arms comprising upper and lower portions, said upper portions being associated with the nacelle and said lower portions being associated with means in the shape of floats, at least one support arm located upstream from the rotor relative to the wind direction, at least one support arm located downstream from the rotor relative to the wind direction, characterised in that the rotor is provided with a hollow shaft arranged to rotate about the nacelle. | 03-03-2016 |
20160101833 | FLOATING OFFSHORE WIND TURBINE COMPRISING A COMBINATION OF DAMPING MEANS - The present invention relates to an offshore wind turbine on a floating support structure ( | 04-14-2016 |
20160160835 | WATER TURBINE WITH VARIABLE BUOYANCY - A floatable turbine ( | 06-09-2016 |
20160169208 | AIR-CUSHIONED SMALL HYDRAULIC POWER GENERATING DEVICE | 06-16-2016 |
416086000 | Buoyant hub or rim | 3 |
20120114486 | OFFSHORE ENERGY STORAGE DEVICE - An aggregate to store energy as kinetic energy, includes a float body and conversion element. The float body is at least partially placed in a liquid and arranged to rotate in direct contact with the liquid and the float body is used by the aggregate to store energy in form of movement together with the surrounding liquid. Energy is supplied or extracted from the float body and surrounding liquid via conversion element or via a part that absorbs energy of movements in a fluid. The aggregate could further include the conversion element or the part that absorbs energy of movements. The energy is supplied or extracted from the float body and the surrounding liquid or from a combination of these. | 05-10-2012 |
20140219800 | POWER GENERATION APPARATUS AND SHIP PROPELLING APPARATUS INCLUDING BUOYANCY BODY AS WELL AS WEB-STRUCTURED WING PORTIONS PROVIDED THERETO - The present invention relates to various types of power generation apparatuses and ship propelling apparatuses including a buoyancy body as well as wing portions thereto, which include wing frames with a multistage, lattice web structure foldable and rollable wings which are connected to the wing frames, wherein the power generation apparatus includes a submersible buoyancy body which has one closed end and the other open end as well as a buoyancy space formed therein, a rotary body which is rotatably connected inside the submersible buoyancy body and has a first wing portion mounted on the other end thereof, and a power generation means which is disposed between the submersible buoyancy body and the rotary body to generate electricity. | 08-07-2014 |
20150354544 | OFFSHORE ENERGY STORAGE DEVICE - The present invention relates to a floating wind energy harvesting apparatus for offshore installation, comprising an elongated wind turbine body extending along a longitudinal wind turbine body axis, said wind turbine body comprising a lower body portion and an upper body portion; wind turbine blades attached to the upper body portion; at least a first cavity inside said wind turbine body and arranged within a first radial distance from said longitudinal wind turbine body axis; at least a second cavity arranged within a second radial distance, greater than said first radial distance, from said longitudinal wind turbine body axis; at least a first pump for pumping water from said first cavity to said second cavity; and an energy converter attached to said wind turbine body for converting the rotation of said wind turbine body to electrical energy. | 12-10-2015 |