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Prime-mover dynamo plants April category listing, related patent applications 04/09

20090108588 - Cogeneration system: A cogeneration system is disclosed. The system has a cooling water circulation channel for returning cooling water of the engine to the engine after some of the cooling water has been removed. The cooling water circulation channel is provided with a cooling water pump for pressure-feeding the cooling water; electricity... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090108589 - Back-up electric power generator for electronic components attached to automatic firearms: A firearm improvement taking the form of a mechanical dynamo installed in an automatic firearm. Several components either replace certain parts of the firearm or are added to the firearm. In conjunction with the operation of the firearm, the components generate electric energy which is then stored in a capacitor,... Agent: Panitch Schwarze Belisario & Nadel LLP

20090108590 - Electronic apparatus: An electronic apparatus includes a power generator including a movable portion displaced by kinetic energy acting on an electronic apparatus body and a conversion portion converting displacement of the movable portion to electric energy, wherein the movable portion of the power generator is arranged at a position separated from a... Agent: Ditthavong Mori & Steiner, P.C.

20090108582 - Method of controlling a wind energy system and wind speed sensor free wind energy system: A method for controlling a wind energy system is provided wherein the method comprises determining the effective wind speed taking into account the load on the rotor blades of said wind energy system exerted by the wind is provided. A computer-readable medium is provided that provides instructions which when executed... Agent: General Electric Company Ge Global Patent Operation

20090108583 - Wind turbine and method for operating same: A wind turbine includes an asynchronous generator having a rotor and a stator, means for determining an actual torque-speed curve of the generator, means for determining an actual grid frequency, and means for determining a shifted torque-speed curve in response to the determined actual grid frequency if the determined actual... Agent: Patrick W. Rasche Armstrong Teasdale LLP

20090108584 - Turbine system and method for extracting energy from waves, wind, and other fluid flows: An apparatus for harvesting fluid energy including a wave turbine consisting of a long shaft having pairs of buckets positioned at intervals along the shaft and rotated 90 degrees from each adjacent pair. Each bucket is connected at an offset angle with respect to a plane that is normal to... Agent: Andrews & Kurth, L.L.P.

20090108585 - Fluid turbine with blade assembly driven by fluid: A turbine using fluid as a driving power to generate electricity includes a posts a generator assembly mounted on the post and a blade assembly operably connected to the generator assembly to drive the generator assembly to rotate to produce electricity. The blade assembly has multiple gates each spaced apart... Agent: Lariviere, Grubman & Payne, LLP

20090108587 - Hybrid vertical axis wind turbine: One embodiment of a hybrid vertical axis wind turbine with a big annular generator (40) electric motor auxiliary prime movers (42) and horizontal rotating steam turbine generators (106). The preferred embodiment has at least 5 wind turbines under an arch. The alternative embodiment has at least 3 wind turbines under... Agent: Jason Mitmesser

20090108586 - Wind plant: An easy-to-build wind plant that is capable of generating electricity in a clean, economical and practical manner without causing environmental impact. The plant comprises an airfoil (2); a tail unit having a rudder (4) connected to the airfoil and arranged so as to capture the wind deviated from it; skirts... Agent: Alston & Bird LLP

20090102203 - System and method for power production using a hybrid helical detonation device: The system and method described herein uses a hybrid pulsed detonation engine (PDE) system to drive a turbine that powers an electric generator. The combustion chamber of the PDE is shaped in a helical form, so that the external length of the section is reduced, while maintaining the distance for... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20090102193 - Fluid-driven electric generator for operatively connecting to a conduct carrying a fluid: A fluid-driven electric generator for operatively connecting to a conduit carrying a fluid. The generator includes a driving portion and a generating portion. The driving portion is non-protrudingly positioned in the conduit so as to have its placement be non-visible from outside the conduit and is activated by the fluid... Agent: Bernard S. Hoffman

20090102194 - Electrical-energy generator: Electrical-energy generator of the type that incorporate a plinth or pedestal from which emerges a vertical, fixed shaft on which is mounted, via bearings, a second shaft to which a blade of conical, helicoidal shape is secured, which imparts a rotary movement to the movable shaft through the effect of... Agent: Horst M Kasper

20090102197 - Horizontal-axis wind generator: A horizontal-axis wind generator comprising a platform rotating according to a vertical axis. The generator incorporates a support structure for supporting a horizontal shaft of a wind turbine which moves an electric generator and which is formed by several blades which are located facing the wind when the base platform... Agent: D. Peter Hochberg Co. L.p.a.

20090102196 - Method and system for determining the compatibility of control software with a wind energy installation: A method and a system are for determining of the compatibility of control software, which is designed for standard parameters, with a wind energy installation which is operated using operating parameters. The method is an automatic method in which the operating parameters of the wind energy installation and the standard... Agent: Morrison & Foerster LLP

20090102198 - Method for controlling wind turbines, and devices therefore: Method for controlling the rotational speeds of wind turbines, including determining the rotor rotational speed of a first and a second wind turbine; determining the rotor azimuth angle of the first and the second wind turbine; calculating a speed control value for the first wind turbine, based on the determined... Agent: Siemens Corporation Intellectual Property Department

20090102195 - Wind farm capable of staggered disconnection: The invention relates to a method of operating a wind farm intended for connection to an electric power network, which wind farm includes at least two wind turbine generator systems (WEA1, WEA2, WEA3, WEA4, WEA5). At least one actual value (vt1(WEA1), . . . , vt3(WEA5)) for a wind speed... Agent: Marlana Titus

20090102199 - Wave energy generator: The present invention relates to a generator for generating power from a wave. The generator includes a body defining a plurality of chambers for receiving the wave, and a first set of non-return valves through which air from respective chambers can pass. A first vessel receives air from the first... Agent: John Alexander Galbreath

20090102200 - Wave energy recovery system: The present invention includes novel apparatus and methods for recovering energy from water waves. An embodiment of the present invention includes a buoy, a shaft, and an electric power generating device. The shaft is coupled to the buoy such that when the buoy moves vertically in response to a passing... Agent: Mcdonald Hopkins LLC

20090102201 - System and method for converting wind into mechanical energy: A system for converting an airflow into mechanical or electrical energy. The system may include a leading edge member, and a collector positioned adjacent to the leading edge member. The collector may have a pair of flexible surfaces each covering an opening within a center portion of the collector.... Agent: Venable LLP

20090102202 - System and method for converting wind into mechanical energy: A system for converting an airflow into mechanical or electrical energy, which includes a tubular member having a first opening and a second opening, a leading edge member positioned adjacent to one of the first and second openings, and a raised edge along each longitudinal edge of the leading edge... Agent: Venable LLP

20090096219 - Energy generation apparatus and methods based upon magnetic flux switching: In an electrical energy generator, at least one permanent magnet generates flux and a magnetizable member forms the single flux path. An electrically conductive coil is wound around the magnetizable member, and a plurality of flux switches are operative to sequentially reverse the flux from the magnet through the member,... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090096212 - Power generation system: A power generation system is disclosed for supplying power to an electrical grid. The system comprises a synchronous machine and coupling means for coupling the synchronous machine to a prime mover. Control means are provided to control the system such that the system is selectively operable in two modes. In... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090096213 - Vertical axis wind turbine and method of making the same: The present invention includes a vertical axis wind turbine apparatus including a spindle tube connectable to a permanent foundation such that a spindle axis is oriented substantially orthogonal to a surface upon which it is placed, such as the ground or other stable surface. The apparatus described herein also includes... Agent: The Adams Law Firm

20090096211 - Wind farm and method for controlling the same: A method for controlling dynamic power factor or the reactive power of a wind farm is provided. The wind farm comprises a number of wind turbines connected to a utility grid driven with a requested power factor or a requested reactive power. The wind turbine output voltage is controlled to... Agent: Siemens Corporation Intellectual Property Department

20090096214 - Flow power converter apparatus employing a flow-controlled duct to capture flow energy: A wave power converter employing a flow-controlled duct for capturing and converting useful wave surge energy to electric power over a relatively broad range of surf or river flow conditions. The power converter includes an inclined ramp with several openings for receiving wave or river water and retaining surge water... Agent: James Albert Ward

20090096215 - Generator system and method: Devices, systems and methods for generating power from the flow of current in a river are disclosed. A flap in a folded position advances to the front generator. Current catches the flap and extends the flap to an open position. The open flap catches the current and drives the belt... Agent: Mccarter & English, LLP

20090096216 - System for generating electricity from fluid currents: A system for generating electricity from fluid currents having one or more trolleys that move along a closed-loop track as a result of the action of fluid currents on one or more blades attached to each trolley. Spacing between trolleys is preferably maintained by a spacing ring to which the... Agent: O''brien Jones, PLLC

20090096218 - Wind energy conversion system: A wind energy conversion system for a building comprises one or more wind powered turbines, a pitched roof structure having a first pitch on which the turbines are mounted, and a cover supported on the pitched roof structure above the turbines. The cover has a second pitch that is less... Agent: Intellectual Property Law Group LLP

20090096217 - Wind turbine with perimeter power takeoff: For offshore use, a wind turbine structure as described above surmounts two horizontal toroidal members held apart by multiple vertical columns. The lower toroidal member and the vertical columns above this member float at a depth that is nearly half the column heights. Added structure enables the extraction of energy... Agent: William K. Watson

20090091138 - Electromagnetic engine: A converter converts mechanical energy of a piston to and from electrical energy during each piston cycle.... Agent: Searete LLC Clarence T. Tegreene

20090091137 - Generator-equipped engine and method for assembling same: An engine (10) equipped with a generator (20) is provided. The stator (24) fixed to the crankcase (12) includes a plurality of iron cores (32a to 32l) arranged in the circumferential direction about the crankshaft (16), and coils (33) that are wrapped around the plurality of iron cores (32a to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090091139 - Osmotic energy: A process for driving a prime mover, said process comprising a) positioning a selective membrane between a liquid and a solution having a higher osmotic potential than the liquid, such that the solution becomes pressurised by the influx of liquid across the membrane, b) using the pressure generated in the... Agent: Dykema Gossett PLLC

20090091132 - Starter/generator system with control to address a voltage rise: A control circuit for a generator has a control function that monitors the voltage across a bus capacitor. The circuit delivers excess voltage back to associated stator windings if an unduly high voltage is detected across the bus capacitor.... Agent: Carlson, Gaskey & Olds, P.C.

20090091133 - Method to re-engage start of dynamoelectric machine: A method of starting a gas turbine engine with a synchronous multiphase alternating current (AC) dynamoelectric machine with a rotor and a stator that allows re-engagement of a starting operation at non-zero rotor speeds comprises the steps of: applying electrical excitation to the rotor; measuring electromotive force (EMF) generated in... Agent: Stephen George Mican

20090091135 - Apparatus and method for generating electric power from a sub-surface water current: A subsurface power generating system in one embodiment includes a frame, an electric generator supported by the frame and operably connected to a first vertical rotor, another electric generator supported by the frame and operably connected to a second vertical rotor, a first louver operably connected to the first vertical... Agent: Maginot, Moore & Beck, LLP Chase Tower

20090091134 - Wave-flow power installation: A wave-flow power installation comprises a float, a convergent-divergent water passage, attached to the float by an arm furnished with a hinge to turn the passage perpendicularly to a water stream, two turbines coaxially mounted in the passage, oriented orthogonally to the stream, each having a shaft oriented across the... Agent: Aleksandr Smushkovich

20090091136 - Floating wind turbine system: A floating wind turbine system with a tower structure that includes at least one stability arm extending therefrom and that is anchored to the sea floor with a rotatable position retention device that facilitates deep water installations. Variable buoyancy for the wind turbine system is provided by buoyancy chambers that... Agent: Macmillan Sobanski & Todd, LLC

20090085358 - Dynamo apparatus for boat: A casing (31) is provided around a power transmission shaft (3a) interposed between a crankshaft (2a) of an engine (2) and a power transmission device (3). A dynamo apparatus (10) and a cooling fan (23) cooling the dynamo apparatus are constructed in the casing (31) around the power transmission shaft... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090085359 - Electronic apparatus: An electronic apparatus includes a power generator including a movable portion displaced by kinetic energy acting on an electronic apparatus body and a conversion portion converting displacement of the movable portion to electric energy, wherein the movable portion of the power generator is arranged on or below a gravity center... Agent: Ditthavong Mori & Steiner, P.C.

20090085352 - Power generation control device: A power generation control device can include a switching circuit which controls an output of a generator. A periodical power charge control unit can be configured to allow the switching circuit to the operated in a zone including a combustion stroke of one cylinder of an internal combustion engine, and... Agent: Squire, Sanders & Dempsey L.L.P.

20090085353 - Hydroelectric pumped-storage: Hydroelectric pumped-storage includes monitoring electrical demand on a system over time. If the monitored demand exceeds a predetermined first value, fluid is allowed to flow substantially under the influence of gravity from a first aquifer to a second aquifer. Kinetic energy from the flowing fluid is converted into electrical energy.... Agent: Fish & Richardson P.C.

20090085354 - System and method for controlling torque ripples in synchronous machines: A system for controlling torque ripple in a permanent magnet synchronous machine includes a power converter configured to be coupled to the permanent magnet synchronous machine and to receive converter control signals and a system controller coupled to the power converter. The system controller includes a fundamental current controller configured... Agent: General Electric Company Global Research

20090085356 - Dam-free hydro-power plant: A dam-free hydro-power plant for generating electricity comprises a convergent-divergent water passage including a cylindrical neck containing a shutter, branch pipes connected with the neck, each branch pipe including a reverse valve capable of triggering, depending on the stream direction in the passage. A first and second branch pipes are... Agent: Aleksandr Smushkovich

20090085355 - Self-acting variable pitch vertical axis wind turbine: A self-acting variable pitch vertical axis wind turbine is provided with asymmetrically mounted blade paddles rotatably mounted for limited movement such that at one limit of the rotation, a paddle is operational to rotate the impeller and at the other limit of the rotation the paddle feathers.... Agent: Franz Bonsang C/o Equinox Protection

20090085357 - Wave energy converter with internal mass on spring oscillator: A wave energy converter (WEC) system includes a shell containing an internal oscillator comprised of a reaction mass suspended from the shell by an elastic spring in parallel with a constant force spring. The constant force spring provides a relatively constant force (Fc) to counterbalance the static weight of the... Agent: Henry I. Schanzer, Esq.