Patent application number | Description | Published |
20080315586 | Generator output circuitry for twin turbine wind power generating system - Improved generator output circuitry for twin turbine includes boost DC converters for each of a pair of generators with their output introduced to a single inverter, which serves both generators and converters in common. The inverter output then proceeds in conventional AC form through a disconnect switch to a power grid. | 12-25-2008 |
20090079194 | SYSTEM FOR OPERATING A GENERTOR AS A MOTOR IN A TURBINE WIND POWER GENERATING SYSTEM - SYSTEM FOR OPERATING A GENERATOR AS A MOTOR IN A TURBINE WIND POWER GENERATING SYSTEM includes a controller and Four Quadrant or Regenerative Drive Circuitry which alternatively operates one or more generators as motors. | 03-26-2009 |
20090167026 | Inlet passageway and sealing in a turbine wind power generating system - IMPROVED INLET PASSAGEWAY AND SEALING IN A TURBINE WIND POWER GENERATING SYSTEM wherein sharp very small radii of curvature end portions at the mouth or inlet to the passageway avoid turbulence thus enhancing inlet airflow. Transitional portions of the passageway are arranged at angles of inclination with the horizontal to provide for smooth airflow to a rear impact and transfer portion of the passageway which takes a concave parti-circular configuration. Turbulence adjacent the end portions and within the inlet passageway is thus avoided. Sealing means between an annular shroud or blade tip ring and an adjacent stationary ring take the form of labyrinth seals minimizing loss of airflow through the blades. | 07-02-2009 |
20090238676 | Accelerator for use in a wind power electrical generating system - An accelerator for a wind power electrical generating system which mounts at least one wind turbine and which defines an air passageway capturing and delivering wind to the turbine. The accelerator comprises a cage-like support structure of thin sturdy members which defines in three-dimensional outline the air passageway. A cover which is mounted on and about the support structure in a floating relationship therewith may be injection-molded or thermo formed plastic. Connecting members between accelerators are provide with labyrinth seals. | 09-24-2009 |
20100031589 | Tower and wind turbine supporting structures and method for mounting the latter - A tower and wind turbine supporting structure which at least partially envelops the tower. The tower is of uniform cross sectional configuration throughout and has a plurality of outriggers. The outriggers are connected with the tower after the wind turbines and their supporting structure have been positioned at the base of the tower, raised to their point of attachment and secured in place. Individual foundation members for each vertical tower member and for each outrigger are in the form of micro piles and may include a plurality of micro piles and a manifold for maintaining upper end portions thereof in desired positions. Another aspect of the method of the invention involves providing a tower of uniform cross section, positioning wind turbines and their supporting structures sequentially at the base of the tower, raising them and mounting them on the tower sequentially, and thereafter providing a plurality of outriggers and their foundations and attaching them to the tower. | 02-11-2010 |
20100143138 | Axial flow wind turbine - An axial flow wind turbine having forwardly swept blades with an annular ring interconnecting the blade tips. A rearwardly directed rake profile is also provided together with unequal blade spacing. | 06-10-2010 |
20100295297 | LIGHTWEIGHT HIGH STRENGTH FLANGED COUPLING UNIT - A flanged coupling unit having a radial flange with an axial boss and a concave exterior corner surface approximating the external surface of a quadrant of an ellipse. Optionally, a similar internal surface is provided. In either case, the resulting unit exhibits substantially enhanced strength and structural integrity and a significant reduction in weight. | 11-25-2010 |
20110076146 | Wind turbine electrical generating system with combined structural support members and straightening vanes - A wind turbine electrical-generating system with air-directing vanes in the forms of sheaths over structural members crossing the sir discharge opening of the wind turbines. The turbines also have associated shroud assemblies which support the structural members and which cooperate with the vanes to provide superior performance. | 03-31-2011 |
20110131917 | Method of forming adhesive joint, structural subassembly, and joint construction - A method of forming an adhesive joint, a structural subassembly, and a joint construction. The method comprises telescopically assembling male and female tubular members having slightly different diameters to cooperatively define a narrow continuous open-end adhesive chamber between contiguous surfaces of the assembled members. Four (4) or more centering pins equally circumaxially spaced about the members are forcefully entered in the adhesive chambers to equalize spacing between the members throughout the chamber. A distributing device communicates with the adhesive chamber for the introduction of adhesive under pressure to the chamber, thus forming a secure joint. | 06-09-2011 |
20130257212 | HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH SEPARATED TAB POLE ROTOR AND STACKED CERAMIC MAGNET SECTIONS - A permanent magnet motor, generator or the like that uses ceramic magnets in the rotor to concentrate the magnetic flux in the airgap. Poles are formed by pole plates with integral tabs forming north and south poles with magnetic separators therebetween. Magnet sections are stacked axially. | 10-03-2013 |
20130307364 | SHAFT ATTACHMENT MEANS FOR HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH SEPARATED TAB POLE ROTOR - A permanent magnet motor, generator or the like that uses ceramic magnets in the rotor to concentrate the magnetic flux in the airgap. Magnet poles are formed by pole plates with tabs forming north and south poles with magnetic separators therebetween. Magnet sections are stacked axially. Connection to the shaft is made by means of a collet or other attachment method. | 11-21-2013 |
20140015347 | LIQUID COOLED HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH IN SLOT GLYCOL COOLING - A permanent magnet motor, generator or the like that is liquid cooled using glycol or similar fluid with the means defining cooling passageways disposed directly in the winding slots of the stator between and in engagement with the windings and stator laminations. | 01-16-2014 |
20140015351 | LIQUID COOLED HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH GLYCOL COOLING - A permanent magnet motor, generator or the like that is liquid cooled using glycol or similar fluid with the cooling applied directly in the winding slots of the stator and in self contained loops such that no adverse loops are formed. | 01-16-2014 |
20140015352 | HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH CONCENTRATED WINDING AND DOUBLE COILS - A permanent magnet motor, generator or the like that is constructed such that each coil is manufactured as two individual coils. | 01-16-2014 |
20140015353 | HIGH EFFICIENCY PERMANENT MAGNET MACHINE WITH LAYER FORM WINDING - A permanent magnet motor, generator or the like that is constructed with a layer form wound winding for easy manufacturing of robust machines | 01-16-2014 |
20140125167 | WINDING CONSTRUCTION FOR HIGH EFFICIENCY MACHINE - A permanent magnet motor, generator or the like that is constructed with a concentrated winding and edge form wound stator coils. This achieves less eddy current losses in the windings as well as a much higher power density than conventional techniques. | 05-08-2014 |
20140125188 | CONCENTRATED WINDING STATOR CONSTRUCTION FOR HIGH EFFICIENCY MACHINE - A permanent magnet motor, generator or the like that is constructed with a concentrated winding using a separate tooth. This tooth is preloaded in such a way to achieve high structural rigidity and good magnetic performance. | 05-08-2014 |
20140300220 | LIQUID COOLED STATOR FOR HIGH EFFICIENCY MACHINE - A stator for a motor, generator or the like that is liquid cooled using glycol or similar fluid with the cooling applied directly in the winding slots of the stator in either concentrated wound or distributed wound configurations. | 10-09-2014 |