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Class 290/55 - Wind


Subclass of Class 290 - Prime-mover dynamo plants
Definition: Prime-mover dynamo plants including wind-motors.
No. of applications: 1208
Last issue date: 05/24/2012


                  30    
Application No.Application TitleIssue Date
20060290140Horizontal axis wind turbine
Disclosed is a horizontal axis wind turbine of an downwind type having a rotor disposed downwind of a tower, comprising: a rotor having a hub and a blade; a nacelle to support the rotor rotatably through a main shaft connected to the hub; a cylindrical tower supporting ...
12/28/2006
20060273597Wind harnessing system
A wind harnessing system comprises a substantially helical structure including at least a portion of a spiraling groove and at least one energy converter positioned at least partially within the portion of the spiraling groove. In other embodiments, wind grooves formed ...
12/07/2006
20060267347Method of operating a wind power station
When planning and setting up wind power installations, the visual detractions to be expected on the part of the wind power installation on the environment play an increasingly important part in approval and acceptance. The shadow casting caused by the wind power install...
11/30/2006
20060267348Tower for a wind power station
Disclosed is a tower for a wind power station comprising a machine pod disposed on the tower and a rotor mounted on the machine pod so as to be rotatable about an essentially horizontal axis. Said rotor is provided with at least one blade. The tower is composed of a tub...
11/30/2006
20060232076Reduced friction wind turbine apparatus and method
The present invention is a wind power apparatus for driving an electric generator. The wind power apparatus comprises a frame, a vertical axle mounted on the frame and a buoyant hull. The buoyant hull is rotational disposed on the axle. The buoyant hull has a curvilinea...
10/19/2006
20060220389Wind wheel for wind power generation
Provided is a power generating wind turbine in which parts and compoments installed in or on a nacelle are made smaller and lighter and maintenance is facilitated. A main shaft 11, a gear-box speeding up rotation of the main shaft 11 and a generator 13 ...
10/05/2006
20060170222Building incorporating a wind turbine system
Wind turbine system, and related method, is provided that exploits an aerodynamically enhanced wind zone of a structure by aligning a wind turbine generator, and preferably a plurality thereof, along a wall thereof. Each generator includes a structural support, a wind t...
08/03/2006
20060152013Wind powered pendulating land sail electricity generation system
An electricity generation system having the ability to generate clean electrical power by mechanically capturing the power of the wind. The system utilizes one or more modular wind collecting sail assemblies that are mounted on an upright oriented pole assembly. The bot...
07/13/2006
20060152016Direct Drive Wind Turbine
A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside th...
07/13/2006
20060152015Direct Drive Wind Turbine
A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside th...
07/13/2006
20060152014Method and apparatus for wind turbine air gap control
Methods and apparatus for assembling a wind turbine generator are provided. The wind turbine generator includes a core and a plurality of stator windings circumferentially spaced about a generator longitudinal axis, a rotor rotatable about the generator longitudinal axi...
07/13/2006
20060152012TRAFFIC-DRIVEN WIND GENERATOR
A wind-capturing electrical generator device comprising a plurality of generators is driven by wind created by traffic passing in close proximity at high speeds. The device preferably uses horizontally or vertically mounted Savonius-type or helical-turbine-type rotors a...
07/13/2006
20060145484Wind power installation with separate primary and secondary cooling circuits
A wind power installation includes a nacelle, and energy conversion system for converting wind power into electric energy. The energy conversion system includes a heat-generating source which is disposed in the nacelle and constructed to include a closed primary cooling...
07/06/2006
20060142899Method of operating a wind park
Wind power installations were initially always erected in the form of individual units and it is only in recent years that, caused also by administrative and building regulations, wind power installations are frequently installed in wind parks. In that respect a wind pa...
06/29/2006
20060138782Multi-turbine airflow amplifying generator
The wind generating device of the present invention employs modules each having two turbines. Each of the turbines employs two rotors, coaxially aligned and arranged one downstream from the other. The arrangement includes a proximal channel with a leading portion having...
06/29/2006
20060138781Wind turbine generator
A wind turbine generator including a nacelle having reduced size and weight is provided. The wind turbine generator includes a nacelle disposed on a tower. The nacelle includes a main shaft that is connected to a rotor head equipped with blades and that integrally rotat...
06/29/2006
20060138780Modular wind turbine transmission
A wind turbine gear unit has a low speed gear module and a plurality of high speed gear modules wherein the low speed gear module is operable simultaneously to transmit torque to each of the high speed gear modules. ...
06/29/2006
20060125243Mechanism for rotating the rotor/s, stator/s, an electric power generator/s
Normal existing system generate electrical power from mechanical rotational power produced by internal combustion engines the rotors of the wind, which rotates the rotor in one direction, the stator being static and fixed. The device described makes the rotor and the st...
06/15/2006
20060113804Passively cooled direct drive wind turbine
A wind turbine is provided that passively cools an electrical generator. The wind turbine includes a plurality of fins arranged peripherally around a generator house. Each of the fins being oriented at an angle greater than zero degrees to allow parallel flow of air ove...
06/01/2006
20060108809Protective wind energy conversion chamber
A protective wind energy conversion chamber provides a protected multiple turbine mechanism axially aligned to convert kinetic energy of a moving fluid (e.g., wind) into rotational mechanical power by the reaction of the moving fluid with the turbine. The conversion cha...
05/25/2006
20060091678Hovering Wind Turbine
A hovering wind turbine (1) whose blades (2) lie on the surface of an imaginary horizontal cylinder and have their pitch angle changing as a function of the rotational angle, allowing them to gather wind energy mainly in the upwind and downwind sectors of ...
05/04/2006
20060082160Wind powered generator platform
A wind powered generation platform in accordance with the present invention provides for remote placement of wind generation systems in a body of water. A platform for such use includes a base portion, a control portion, a stabilizing portion, a power generation portion...
04/20/2006
20060076782Wind-guidance enhancing apparatus for a fluid power generator
A wind-guidance enhancing apparatus for a wind power generator includes a support stage; an impeller stage including at least one blade, and a wind-guidance unit for guiding wind to the impeller stage. The wind-guidance unit includes a plurality of wind-guidance plates ...
04/13/2006
20060071568Permanent magnet type electric rotating machine and wind turbine electric power generation system
A permanent magnet type electric rotating machine comprises a stator having a distributed winding and a permanent magnet rotor, wherein the permanent magnet rotor is provided with a wind passage in an axial direction thereof. ...
04/06/2006
20060071575Electrical machine with double-sided stator
Machines useful for wind turbine and ship propulsion purposes include a wind turbine generator or a ship propulsion motor with two concentric air gaps. In one embodiment, the machine includes a rotor with an inner rotor core and an outer rotor core; and a double-sided s...
04/06/2006
20060012182Wind energy conversion system
A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. T...
01/19/2006
20060006658Wind energy conversion system
A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each blade assembly carrying a rotor for rotation past a stator to produce an electrical output. T...
01/12/2006
20050280264Multistage wind-powered generator with shafts and a coupling system
A wind-powered generator can be used with high efficiency, not only in large wind-powered systems but also in smaller versions. Two or more generators are arranged, either one behind the other or side by side, after a mechanical device which uses wind power. The two or ...
12/22/2005
20050242591System and method for converting wind into mechanical energy
A system for converting an airflow into mechanical energy includes a drawtube and an airflow turbine capable of converting an airflow through the drawtube into rotational mechanical energy. The drawtube includes a tubular member with first and second open ends and a sub...
11/03/2005
20050225092MECHANISM FOR CONVERTING MECHANICAL ENERGY FOR WIND POWERED ENERGY SYSTEMS
An improved drive mechanism for a windmill has: (a) a drive chain driven into movement by a wind wheel shaft driven into rotation by wind movement against a wind wheel; (b) a drive chain sprocket driven by the drive chain and coupled to a force chain sprocket to corresp...
10/13/2005
20050218657MOBILE RENEWABLE ENERGY GENERATOR
A method and apparatus for a portable renewable energy generator includes; a movable platform adapted for one of towing and transport to a remote area, a redundant renewable energy source generator including a wind energy extraction device configured for transport on th...
10/06/2005
20050218656Wind energy turbine
The invention relates to a wind turbine and to the installation of such a wind turbine, particularly offshore. When wind turbines are installed in the previously known manner, a tower of the wind turbine is firstly manufactured, said tower being a steel tower, a concret...
10/06/2005
20050212300Vertical axis windmill
A vertical shaft windmill is provided in which: a casing (7) extends further upward than a lowest arm (5L); a radial bearing (BI) is fixed to the outer part of the casing (7); and the arm (5L) is mounted for rotation to the casing (7) ...
09/29/2005
20050206168Float type base structure for wind power generationon the ocean
The present invention relates to a floating-type foundation structure that supports a power generation system upon the ocean in the upright position. The foundation structure comprises: a main floating body consisting of a cylinder that is longer in the axial direction ...
09/22/2005
20050200133Separate network and method for operating a separate network
The present invention relates to an isolated network with at least one power generator, which uses renewable energy sources, wherein the power generator is preferably a wind-power station with a first synchronous generator, with a dc voltage intermediate circuit with at...
09/15/2005
20050200337Power converter circuit and associated triggering method for generators with dynamically variable power output
A power converter circuit and associated triggering method for connecting a three-phase generator to an electrical network. The circuit includes a first direct connection of the generator to the network and a second connection of the generator to the network, through a ...
09/15/2005
20050200135Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof
A wind turbine which varies an active annular plane area by composing such that blades are attached to a cylindrical rotor movable in the radial direction of the rotor, the blades being reciprocated in the radial direction by means of a blade shifting mechanism connecte...
09/15/2005
20050200134Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof
A wind turbine which varies an active annular plane area by composing such that blades are attached to a cylindrical rotor movable in the radial direction of the rotor, the blades being reciprocated in the radial direction by means of a blade shifting mechanism connecte...
09/15/2005
20050173929Fire protection
The present invention concerns a wind power installation comprising a pylon and a pod arranged at the tip of the pylon. The invention further concerns a method of controlling such a wind power installation._In order to prevent a fire from occurring or at least to be abl...
08/11/2005
20050167989Wind power installation with separate primary and secondary cooling circuits
A wind power installation includes a nacelle for housing a generator, and a turbine having at least one rotor blade. At least the generator includes a closed primary cooing system, and the nacelle is provided with a cooling system for cooling the primary cooling system ...
08/04/2005
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