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Patent Searching and Data


Matches 601 - 650 out of 4,989

Document Document Title
WO/2011/141520A3
The invention relates to a system for the excitation of an asynchronous generator that can be connected to a turbine for generating electric power, in which the turbine is coupled to the rotor (13) which rotates in a stator(14) of the ge...  
WO/2011/141511A2
The invention relates to an electric machine, in particular a generator or motor, e.g., a generator for a wind turbine, with a disk-type design, comprising a machine housing and a stator which is fixed to the machine housing and which is...  
WO/2011/142822A1
A non-fuel combusting air turbine assembly suitable as an auxiliary or primary power propulsion system for a vehicle. The system includes an air turbine engine powered by a compressor mechanism to increase the potential energy that can b...  
WO/2011/141034A2
The invention is an integrated system for extraction of water from air by wind power. The system consists of the following units: I. Wind driven mechanical and electrical power generation unit : • Capacity 112 KW at the rated wind spee...  
WO/2011/142653A1
The invention relates to a rotating machine for interaction with a fluid medium, comprising a rotor with one or more blades with which energy is extracted from or relinquished to the medium. The blade extends helically or spirally along ...  
WO/2011/138659A3
Energy used to create a fluid flow through a passageway, e.g., a municipal water system, is partially recovered downstream, e.g., at a residential location. An example energy system includes a primary passageway receiving a first fluid f...  
WO/2011/138824A1
Provided is a sea-borne wind power generation apparatus which is compatible with an eccentrically-located stress, using a simple and economical structure, and can maintain the reliability of the strength. A sea-borne wind power generatio...  
WO/2011/139171A1
The invention relates to a hydro/aero power plant that has at least two water upper tanks (1) connected through a downcomer conduit(5) to a water turbine (6) coupled with a power generating device (7). In the bottom part of the upper tan...  
WO/2011/137598A1
A wind power generation device comprises a generator (10), a rotating shaft (20) connected to the generator rotatably, multiple blade sets (30) which are disposed on the rotating shaft respectively, and multiple stop members (50) which a...  
WO/2011/134054A1
Disclosed is a hybrid wind-solar energy device comprising: a) a wind-capture assembly comprising: i) one or more wind sails evenly distributed circumferentially around a central axis thereof; and ii) a solar-energy capture means on an ou...  
WO/2011/135110A1
The invention relates to a system that is essentially comprised of a hierarchic configuration of independently operated electrolysis units (5) the power levels of which descend in such a way that, for any unit in the system, the sum of t...  
WO/2011/131803A1
The invention relates to a three-phase alternating current generator which is provided with an exciter assembly solidly connected to two independent energy assemblies and which is intended for turbines, such as wind or water turbines, wh...  
WO/2011/132124A3
A wind generator (4) of compressed air, comprises a rotor (5) comprising at least one wind blade (8), joined at one end to a rotation shaft (12) and suitable to be driven so as to rotate under the influence of a flow of air (16). At leas...  
WO/2011/127573A1
The present invention pertains to methods, systems and apparatus for providing a low complexity, low capital and low operating cost means of purifying water and alternately or simultaneously generating electrical power from a variety of ...  
WO/2011/129859A3
Various embodiments of a wind turbine are disclosed having a plurality of pivotable slats disposed about a rotor coupled to one or more blades. Each of the plurality of slats can be pivoted such that the open slats on a windward side red...  
WO/2011/127749A1
A method for regulating power of a direct-drive permanent-magnet synchronous wind power generator set involves the following steps: A. acquiring the actual speed n of the generator; B. executing step C when n is less than the rated speed...  
WO/2011/129859A4
Various embodiments of a wind turbine are disclosed having a plurality of pivotable slats disposed about a rotor coupled to one or more blades. Each of the plurality of slats can be pivoted such that the open slats on a windward side red...  
WO/2011/128463A1
Transportable power plant comprising a fixed part (1a), formed by the chassis (2) provided with extendable legs (3) and levellers with a support column (4) with motorized slewing ring (5), and another movable part (1b) that rotates about...  
WO/2011/127558A1
A modular energy accumulator system using compressed air. The system comprises a plurality of bladder modules disposed underwater for subjection to a hydrostatic ambient pressure. The plurality of bladder modules include a first bladder ...  
WO/2011/124355A1
A power transmission system may include a plurality of renewable-energy devices (4a, 4b, 4c) such as wind turbines or subsea turbines. The devices are connected together in parallel to a subsea cable (10) that carries an ac transmission ...  
WO/2011/124217A4
The invention relates to a wind- and radiation-energy collector system (1), wherein at least one radiation-energy collector (2) having a radiation-absorbing absorber (21) and a reflector element (22), which collects radiation and directs...  
WO/2011/124217A3
The invention relates to a wind- and radiation-energy collector system (1), wherein at least one radiation-energy collector (2) having a radiation-absorbing absorber (21) and a reflector element (22), which collects radiation and directs...  
WO/2011/124707A3
A wind turbine comprising: a shaft (2); a plurality of blade arrangements (8), each of which is rotatable around the shaft and has a blade (7), said blade arrangements and blades forming a blade rotor which is rotatable around the shaft;...  
WO/2011/124217A2
The invention relates to a wind- and radiation-energy collector system (1), wherein at least one radiation-energy collector (2) having a radiation-absorbing absorber (21) and a reflector element (22), which collects radiation and directs...  
WO/2011/125485A1
Disclosed are an induction heating device, having performance suited to heating a heating medium, and an electricity generating system comprising same. An induction heating device (101) comprises a rotating body (11), further comprising ...  
WO/2011/123955A1
Disclosed herein is a system for storing and releasing energy, including a generator/motor; a hydraulic pump for pumping hydraulic fluid between first and second pump ports in response to force applied by the generator/motor and also cap...  
WO/2011/120523A3
According to an embodiment, a method of operating a wind turbine comprising a DC-to-AC voltage converter is provided, the wind turbine being connectable to a grid via the DC-to-AC voltage converter, the method comprising: determining a l...  
WO/2011/121471A3
A method for retro-fitting wind-energy conversion system includes disconnecting a first set of multiple windings from active circuitry; shorting together the first set of multiple windings; and connecting a second set of multiple winding...  
WO/2011/116845A2
The invention discloses a direct drive wind turbine (1) comprising a plurality of blades connected to a hub (6), a generator comprising a stator (12) and a rotor (10), the stator (12) being fixed on a nacelle (4) of the wind turbine (1) ...  
WO/2011/113143A1
Disclosed herein are stator components designed to facilitate stator mounting as part of a generator. Also disclosed are generators suitable for use, for example, as part of a wind turbine, their components, as well as methods for their ...  
WO/2011/116249A3
A sustainable structure is provided that is powered by a rechargeable battery that charged by alternating wind and solar energy generators.  
WO/2011/114117A4
A method is provided for generating power comprising the steps of: (i) Providing a rotor (3, 508, 602, 702,, 802, 902, 1002), at least part of which is immersed in a. liquid; and (ii) Passing gas through the liquid and into contact with ...  
WO/2011/115419A2
The present invention relates to a solar- and wind-power generating apparatus capable of being dismantled and assembled, which can be simply transported and installed in a sunny and windy place where commercial electrical power supply fa...  
WO/2011/115419A3
The present invention relates to a solar- and wind-power generating apparatus capable of being dismantled and assembled, which can be simply transported and installed in a sunny and windy place where commercial electrical power supply fa...  
WO/2011/114117A3
A method is provided for generating power comprising the steps of: (i) Providing a rotor (3, 508, 602, 702,, 802, 902, 1002), at least part of which is immersed in a. liquid; and (ii) Passing gas through the liquid and into contact with ...  
WO/2011/110193A1
In order to avoid overvoltages and/or irregular power flows after a network disturbance has been rectified in a method for controlling the feeding of electrical power of a wind turbine into an electrical alternating-current network conne...  
WO/2011/110698A1
The system can work in zero-flow operation mode, which involves closing the flow control elements or injectors (6) that reduce the flow turbined by the hydraulic unit (1) to zero, or in frequency-regulated operation, in which a drop in t...  
WO/2011/112561A2
A system for harvesting, storing, and generating energy, that includes floating structure supporting machinery to extract energy from wind, waves, surface generators, or currents. At least one energy storage and power generating unit is ...  
WO/2011/112318A3
A wind power system including a first pulley, a second pulley spaced from the first pulley, a continuous loop structure engaged with the first and second pulleys, a plurality of airfoils fixedly connected to the continuous loop structure...  
WO/2011/109942A1
A wind power-generating structure comprises a rotating shaft (20), multiple blade structures (30) and multiple check structures (40). The rotating shaft (20) connected to a generating equipment (10) is provided with multiple transverse t...  
WO/2011/112561A3
A system for harvesting, storing, and generating energy, that includes floating structure supporting machinery to extract energy from wind, waves, surface generators, or currents. At least one energy storage and power generating unit (12...  
WO/2011/103864A3
Conventional power plant units for producing renewable energy are characterized by a relative high input of costs and are at the same time conceived for selected uses; they therefore have a low efficiency. The type of power plant describ...  
WO/2011/104544A3
A variable displacement fluid working machine for use in applications where a large fluid working machine is required at an inaccessible location, for example, in the nacelle of a wind turbine tower. The machine includes an inward ring a...  
WO/2011/104120A1
The invention relates to a stand-alone renewable-energy generating device which generates electric energy from renewable energy sources, such as the sun or wind, in a stand-alone context, i.e. without being connected to a power grid. To ...  
WO/2011/104543A3
The present invention relates to a method of operating a fluid-working machine wherein the volume of working fluid displaced each cycle is selectable and wherein the volume of working fluid displaced by a first working chamber takes into...  
WO/2011/103358A1
A method and device for energy conversion from a moving fluid to electrical energy. The device includes at least one magnetic structure, at least one coil structure, a rotating component, and a rotary to linear motion conversion mechanis...  
WO/2011/101650A3
A modular wind turbine system comprises modules with electrically conductive structural rails supporting wind turbines. The wind turbines drive generators electrically connected to the rails. Individual modules are electrically and mecha...  
WO/2011/101974A1
Air is liquefied and separated into components using electricity supplied from an existing power station. The oxygen is used to burn waste and thereby generate electricity. The carbon dioxide is utilized in photosynthesis. The heat is ut...  
WO/2011/099379A1
Disclosed is a power generation turbine capable of eliminating the loss of the power generation ratio due to an overflow to achieve highly efficient power generation and an improvement in the charging rate that goes therewith. The wind b...  
WO/2011/097778A1
A method for installing an offshore wind turbine includes steps of base prefabricating, dock installation, shipping and offshore installation. The base provides a buoyancy force and a righting force, such that the whole structure keeps a...  

Matches 601 - 650 out of 4,989