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Prime-mover dynamo plants September class, title,number 09/11Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 09/29/2011 > 11 patent applications in 5 patent subcategories. class, title,number
20110233940 - Solar-thermal gas turbine generator: A solar-thermal gas turbine generator is equipped with a compressor, a heat receiver, and a turbine. Additionally, there is a generator that is driven by the solar-thermal gas turbine to generate power; and a steam power generation cycle in which high-temperature air exhausted from the turbine is introduced into a... Agent: Mitsubishi Heavy Industries, Ltd.
20110233941 - Sound wave resonance generator: The present invention relates to a sound wave resonance generator that is placed on underground railways of subways, in tunnels of surface streets, and around a landing field of the airplane of an airport, from which big noises are generated, thereby collecting surrounding noises around there, converting the collected noises... Agent: Tae Chang N.e.t. Co., Ltd.
20110233931 - Energy management system for heavy equipment: Equipment having an energy management system includes an articulated arm, a work implement, an energy management system, and a hydraulic circuit. The articulated arm includes hydraulic actuators designed to maneuver the articulated arm, and the work implement is fastened to the articulated arm. The energy management system is adjustable between... Agent: Bucyrus International, Inc.
20110233932 - Method and apparatus for providing an electrical energy system: Embodiments of the subject invention relate to a method and apparatus for providing an electrical energy system. A specific embodiment can incorporate at least one energy harvesting module (H-module), at least one energy storage module (S-module), and at least one power electronic circuit module (C-module). The various modules can be... Agent: University Of Florida Research Foundation, Inc.
20110233933 - Pressure regulation device adapted to maintain a predetermined pressure drop and derive energy thereby: A pressure regulation device adapted to maintain a predetermined pressure drop. The device includes: a fluid inlet; a turbine rotated by a flowing fluid; a shaft rotated by said turbine; a generator in mechanical communication with said shaft; a fluid outlet. Wherein said predetermined pressure drop across said turbine is... Agent:
20110233935 - Miniature hydro-power generation system: A miniature hydro-power generation system includes an outer housing and an inner housing. The outer housing may receive a flow of liquid flowing in a first direction at a predetermined range of pressure. The flow of liquid may be decreased by a predetermined amount of pressure and increased by a... Agent: Access Business Group International LLC
20110233934 - Storage of compressed air in wind turbine support structure: An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed... Agent: Lightsail Energy Inc.
20110233937 - Aquifer-based hydroelectric generation: A system includes an aquifer and a source of fluid external to the aquifer. A fluid communication channel extends between the source of fluid and the aquifer. Fluid can flow from the source of fluid to the aquifer through the fluid communication channel. An engine-generator is arranged to convert energy... Agent:
20110233936 - Enhancing the effectiveness of energy harvesting from flowing fluid: An apparatus and method to enhance the efficiency of an energy harvesting device is disclosed. A modulator module creates fluctuations in the flow at a predetermined frequency or group of frequencies and these fluctuations increase mechanical vibrations which are then harvested by an energy harvesting module.... Agent: Schlumberger Technology Corporation
20110233938 - Stator arrangement for an electromechanical transducer, electromechanical transducer and wind turbine: A stator arrangement for an electromechanical transducer is provided. The stator arrangement includes a base structure, a coil holder, a coil mounted at the coil holder; and a flexible element connecting the base structure to the coil holder flexibly relative to each other. Further, an electromechanical transducer is provided that... Agent:
20110233939 - Wind turbine generator: A wind turbine generator provided with a sliding bearing as a yawing ring bearing that can reduce shifting of an axial center by making radial-direction clearances small. In a wind turbine generator in which a nacelle installed at the top of a tower is turnably supported via a yawing sliding... Agent: Mitsubishi Heavy Industries, Ltd.09/22/2011 > 11 patent applications in 7 patent subcategories. class, title,number
20110227346 - Gas turbine with external combustion, applying a rotating regenerating heat exchanger: The invention relates to a gas turbine (10) for transforming thermal energy, for example from coal, biomass or the like, to mechanical work, comprising a compressor unit (11), a turbine unit (13, a combustion chamber (15) and a heat exchanger (14) with associated pipe system. The gas turbine (10) id... Agent: Ares Turbine As
20110227347 - Heat engine: Disclosed is a heat engine following an intermediate form between an ideal Carnot engine and a Stirling engine and having high thermal efficiency. The heat engine includes a cylinder in which operating gas is filled; a high temperature heater which heats a front end part of the cylinder and thermally... Agent:
20110227348 - Underground generating device that is rolled or run over by cars so as to provide a generating effect: An underground generating device includes a housing, a coil assembly mounted in the housing, and a core assembly movably mounted in the housing. The coil assembly includes a coil seat, a plurality of mounting tubes mounted in the coil seat and a plurality of induction coil sets mounted on each... Agent:
20110227339 - Biomass fueled combined heat and power generator: A small (0.1 kW to 1000 kW) biomass fired electrical generator consisting of a boiler or furnace designed to burn biomass material, a thermal to mechanical energy converter and a mechanical to electrical energy converter.... Agent:
20110227340 - Electrical machines with integrated power and control and including a current source inverter: A machine has a housing that includes a plurality of stator coils to be positioned adjacent to a rotor. A switching network includes a plurality of transistors and diodes connected to the coils. A current source inverter is provided by a switching network, a pair of inductors positioned on power... Agent:
20110227341 - Method and device for monitoring the start time of a heat engine of a vehicle: A method and device for controlling the starting time of a vehicle mounted thermal engine coupled mechanically to a polyphase rotary electrical machine with an inductor. The electrical machine includes phase windings and sensors for the position of a rotor, and is connected to an on-board electrical network. The method... Agent:
20110227349 - Method for extracting bitumen and/or ultra-heavy oil from an underground deposit, associated installation and operating method for said installation: A method for extracting bitumen and/or extra-heavy oil from an underground deposit is provided. The energy for producing the steam and for the electric heating is generated in situ, for which purpose part of the extracted bitumen and/or extra-heavy oil is burned in an industrial turbine with a downstream generator... Agent:
20110227343 - Wind power plant and wind-power-plant control method: A wind power plant includes a wind turbine generator and an electrical storage device that supply electric power to a utility grid. A wind-turbine controller performs for the wind turbine generator an acoustic-noise suppression operation in which the rotational speed of blades is controlled in order to suppress acoustic noise,... Agent: Mitsubishi Heavy Industries, Ltd.
20110227342 - Wind turbine rotor and method of calibrating rotor blade pitch: A wind turbine rotor comprising a hub with a rotor blade mounted to a bearing of the hub wherein the rotor blade has a longitudinal axis extending in a radial direction relative to an axis of rotation of the hub, and the rotor blade is rotatable about its longitudinal axis... Agent: Vestas Wind Systems A/s
20110227344 - Method and apparatus for using de-compressed fluid (air) as a coolant: The present invention includes a system for generating electrical power which may include a data center including at least one equipment which requires electrical power, a renewable power source to generate renewable electric power, a motor to receive the electrical power and to operate a compressor to compress a fluid,... Agent:
20110227345 - System and method for generating and storing clean energy: The system for generating and storing clean energy includes a flexible body externally exposed to an intermittent localized pressure. A pair of one-way check valves couple to the flexible body. A first valve is configured to facilitate unidirectional fluid flow into the flexible body and a second valve configured to... Agent:09/15/2011 > 20 patent applications in 8 patent subcategories. class, title,number
20110221209 - Buoyancy energy cell: A device for the generation of energy and in particular electrical energy includes a cell or chamber which moves upwardly and downwardly in a body of water. Cog wheels are connected to the cell. The cog wheels are connected to the shafts of generators. Rotation of the cog wheels operates... Agent:
20110221206 - Linear power generator with a reciprocating piston configuration: A linear power generator for generating electrical power utilizing a waste or low grade heat source. According to an embodiment, the linear power generator comprises a cylinder assembly and an electromagnetic coil. The cylinder assembly comprises two chambers with respective pistons in a coaxial arrangement and the pistons are configured... Agent:
20110221207 - Municipal wastewater electrical power generation assembly and a method for generating electrical power: An electrical generating assembly 10 which may be selectively used in combination with and/or as part of a municipal wastewater treatment facility 12 and which allows the wastewater treatment facility 12 to generate electrical energy 48,62, 13 as received wastewater 14 is cleaned according to a plurality of diverse energy... Agent:
20110221208 - Opposed piston electromagnetic engine: A converter converts mechanical energy of a piston to and from electrical energy during each piston cycle.... Agent: Searete LLC
20110221191 - Mechanical regulation of electrical frequency in an electrical generation system: There is provided an electrical generation system for producing an alternating electric current with a regulated frequency from motive power with variable speed. The rotor of an alternator is mechanically coupled to the motive power and thus rotates with a variable speed. In order to compensate for the rotor speed... Agent: Concept Fiset Inc.
20110221192 - Generator for generating eletrical energy from mechanical vibrations, and method for adjusting the resonant frequency of such a generator: A universally and flexibly applicable generator generates electrical energy from mechanical vibrations. The generator includes a mechanically vibrating system having a spring system and device for changing the mechanical tension of the spring system. A method for adjusting the resonant frequency of the generator allows electrical energy to be generated... Agent: Siemens Aktiengesellschaft
20110221210 - Engine starting system with high-and low-speed modes of motor operation: An engine starting apparatus includes a first and a second power supply path extending from a battery to an electric motor to start an engine. An electromagnetic switch has main contacts disposed in the first power supply path. A resistor is disposed in the second power supply path. A motor... Agent: Denso Corporation
20110221196 - Method and apparatus for wind energy system: The description relates to generating power using wind energy. The current disclosure provides an opportunity to develop a new energy generating resource. According to some aspects, the apparatus uses a passive device to capture wind, and accelerate the wind toward a turbine and other fan or turbine blades to generate... Agent:
20110221194 - Rotational speed control of a wind turbine based on rotor acceleration: It is described a method for controlling the rotational speed of a rotor of a wind turbine in particular at high wind speeds. The described method comprises (a) determining a rotor acceleration value, wherein the rotor acceleration value is caused by a temporal change of the rotational speed of the... Agent:
20110221195 - System and method for power conversion: A multilevel inverter is provided. The multilevel inverter includes a plurality of bridges, each bridge configured to receive a respective portion of an input DC power and convert the respective portion to a respective converted AC power. The multilevel inverter also includes at least one bridge controller for operating at... Agent: General Electric Company
20110221193 - Wind turbine and power supply system: A horizontal axis wind turbine for generating electrical energy for supply to an energy storage device having a limited energy storage capability. The wind turbine comprises: a rotor having a plurality of blades mechanically connected thereto for converting kinetic wind energy to rotation of the rotor at a rotational speed;... Agent:
20110221197 - Apparatus for transforming energy of liquid flowing in a liquid flow path: An apparatus for positioning thereof in a liquid flow path, comprising: a housing configured to be received in the flow path and having a liquid inlet and a liquid outlet defining a flow direction therebetween; a current generator including a shaft supported by the housing and having a rotor mounted... Agent: Hydrospin Monitoring Solutions Ltd.
20110221198 - Vortical flow turbine: The invention relates to a water turbine that extracts the rotational energy out of a vortical flow of water. The water turbine includes a rotor with at least one channel extending circumferentially and longitudinally across the rotor. The channel includes a bend to extract the rotational energy from the vortical... Agent:
20110221199 - Self-propelled, laterally deployed, ocean wave energy converting power plant / beach replenishment system / oil spill containment boom: Deployed laterally (broadside to the waves), this power plant hydraulically converts the breadth of waves into electricity. Costly hydraulic motors, generators Etc. need not be duplicated for each unit in series. Depleted waves break gently. Sand put into suspension by the turbulent release of energy from waves crashing onto un-harvested... Agent:
20110221200 - Two-way generation tidal power plant with bypasses: The invention is a two-way generation tidal power plant with bypasses participating in generation. The preferred embodiment of such a tidal power plant has a power house with one-way turbines and additional head and tail reservoirs formed by additional barrages in the basin and the outer bay. The purpose of... Agent:
20110221201 - Bearings having radial half cage: A bearing is provided having an inner ring with one or more inner raceways, and an outer ring positioned substantially radially outward from the inner ring. The outer ring has one or more outer raceways. A plurality of rolling elements is positioned between the inner raceways and the outer raceways.... Agent: Ge Wind Energy Gmbh
20110221205 - Device comprising rigid connecting bars for the conducting connection of first to second busbars: A device includes rigid connecting bars for conductively connecting first to second busbars, the contact sides of which run parallel to each other and which can be held together with the connecting bars by applying pressure with the help of a first and a second connecting mechanism, each of which... Agent: Siemens Aktiengesellschaft
20110221204 - Nacelle cooling system for wind turbine: Provided is a nacelle cooling system of a wind turbine. The disclosed nacelle cooling system of a wind turbine comprises cooling blocks which are arranged in order to respectively surround one or more heating devices installed inside a nacelle, a passage pipe line which is connected to the cooling blocks... Agent: Doosan Heavy Industries & Construction Co., Ltd.
20110221203 - Portable solar and wind-powered energy generating system: The portable solar and wind-powered energy generating system provides an ecologically friendly, portable system for generating electricity. The system includes a portable enclosure having a roof, along with first and second solar modules. The first solar module is mounted on the roof of the portable enclosure. A portable vertical support... Agent:
20110221202 - Wind turbine: The invention relates to a wind turbine (1) with a vertical shaft (9) defining a vertical axis. The turbine (1) has a plurality of axially extending blades (2). Each blade (2) is connected to the shaft by at least one arm structure (3). According to the invention each arm structure... Agent: Vertical Wind Ab09/08/2011 > 19 patent applications in 7 patent subcategories. class, title,number
20110215589 - road-based electricity generator: Generating electricity from wheeled vehicles passing along a road, by positioning a hinged protruding flap to generate linear motion of an attached rack upon depression of the flap by a passing vehicle, converting the linear motion of the rack to a rotational motion of an axis by enabling rotation of... Agent: Innovative Patents Ltd.
20110215588 - Linear hydraulic and generator coupling system and method: The present invention consists of a generator or alternator coupled with a hydraulic cylinder/motor network. The coupling is achieved by a gear, rack and pinion system. Once the hydraulic cylinder/motor network is initiated by a battery, the output-shaft moves a rack in a linear motion while in contact with the... Agent:
20110215590 - Dual-mode piezoelectric/magnetic vibrational energy harvester: Embodiments of a vibrational energy harvester are provided. A vibrational energy harvester can include a translator layer sandwiched between two stator layers. The translator layer can include a plate having an array of magnets and two or more piezoelectric patches coupled to a tether beam attached to the plate. The... Agent: University Of Florida Research Foundation, Inc.
20110215592 - Flywheel energy storage device with a hubless ring-shaped rotor: A flywheel based energy storage apparatus and method are disclosed. The flywheel based energy storage apparatus includes a housing and a hub-less flywheel mounted within the housing. The hub-less flywheel has a mass which is shifted radially outwards from a central axis of the hub-less flywheel thus increasing the energy... Agent: Applied Materials, Inc.
20110215593 - On-road energy conversion and vibration absorber apparatus: An on-road energy conversion and vibration absorber apparatus receives the kinetic energy from moving vehicles and pedestrians when being weighed down, and converts the received kinetic energy into a potential energy using a restorable elastic element compressing a fluid thereby storing the potential energy in a pressure chamber, and then... Agent:
20110215591 - Outlet box for power generator aggregate mounted on a frame to attenuate vibration and oscillation: A vibration dampened power generation aggregate including an internal combustion engine, generator and outlet box mounted upon a frame having vibration dampening mounts for the power generation aggregates. The outlet box as an interior space divided into compartments for the placement of accessories, switches and generator governors. The frame has... Agent:
20110215575 - Electrical generator: An electrical generator utilizing two internal combustion engine having an expanded range of power output is disclosed. A primary internal combustion engine is coupled to the magnet rotor assembly. The primary engine is operated solely in a lower power range. A secondary engine, coupled to a coil assembly is locked... Agent: Ecomotors International, Inc.
20110215577 - Wind turbine control methods for improving the production of energy recovering energy losses: Method of operation of a variable speed wind turbine (11) comprising control means for a standard regulation tracking a power vs. generator speed curve (21) that also uses an alternative regulation for optimizing the energy production along determinate time periods Tb for compensating previous energy losses at a higher power... Agent: Gamesa Innovation & Technology, S.l.
20110215576 - Wind turbine generator and method of controling the same: The present invention provides a wind turbine generator and a method of controlling the same which can prevent the decline in power generation efficiency even when the generator is located where the wind is not always strong. The wind turbine generator mainly includes an anemometer, an anemoscope, a nacelle swiveling... Agent: Mitsubishi Heavy Industires, Ltd.
20110215578 - Wind turbine generator system: To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel to synchronizing the stator voltage with... Agent: Hitachi, Ltd.
20110215579 - Green power generator device: The present invention is an air and direct power generator device attached to the air stream of a fan or directly to a shaft of a fan which could be on a roof of a building or any air producing device or fan that includes a wind turbine with a... Agent:
20110215581 - Ocean wave power device: An ocean wave power device, including a floating body, an electric generator, multiple water wheels, and a hydraulic accelerator, the electric generator is fixed on the floating body, the rotating shaft is disposed between the hydraulic accelerator and the floating body, and capable of rotating with respect to the floating... Agent: Zhongshan Fantasy Model Design Co., Ltd.
20110215580 - System for converting ocean wave energy to electric power: One embodiment of the present invention consists of a system of small, interconnected cubes, each containing interior walls made from a highly sensitive multi-layer piezoelectric material and each having heavy mass, such as stainless steel, inside the cube interior. An elastic material layer covers the heavy internal mass that is... Agent:
20110215584 - Air / wind tunnel powered turbine, electric power recharging system: The present invention provides an air/wind tunnel power system for a vehicle having an electrically operable drive system. The system includes at least one battery which is mounted within such vehicle and is connected to such drive system and at least one air/wind powered turbine which is mounted on such... Agent:
20110215585 - Clear wind tower system technology: A wind tower system includes a number of wind tower system rotor blades formed with substantially clear composite fiber reinforced polymer (FRP), resin and hardener polymers, a nacelle made at least partially from composite FRP or a steel-based, a hub connecting the plurality of wind tower system rotor blades to... Agent:
20110215587 - Hybrid horizontal axis energy apparatus: A hybrid horizontal axis energy apparatus comprising a frame and a rotor assembly rotatably connected to the frame is provided. A drive mechanism is rigidly attached on the rotor assembly and is in engageable communication with an adjacent drive mechanism of an adjacent rotor assembly for rotating the adjacent rotor... Agent:
20110215583 - Hybrid vertical axis energy apparatus: A hybrid vertical axis energy apparatus comprising a housing assembly, a drive mechanism, a solar device, a motor, a vertical axle, and an electrical generator, is provided. The housing assembly is configured to rotate along its vertical axis in response to a force of wind and a force of thermal... Agent:
20110215586 - Wind mitigation and wind power device: A wind mitigation system for attachment to a residential or commercial building to mitigate wind suction forces known to damage roof structures, and to harness wind energy to create electricity. The system may comprise one or more rotating cylinders which make use of the Magnus effect, a scientific phenomenon involving... Agent:
20110215582 - Wind-operated electrical generating system: A wind turbine unit for generating electricity in a confined space includes a pair of sails carried at either end of a pair of spaced, axially aligned rotatable arms mounted to the drive shaft of an electrical generator. As the prevailing wind strikes the sails in opposite directions, one of... Agent:09/01/2011 > 16 patent applications in 9 patent subcategories. class, title,number
20110210561 - Rotor of an electrical generator for aeolian application with cooling flows in at least one of the coil heads: The invention relates to a rotor comprising an axle, a set of stacked magnetic metal plates, an alternating current polyphase winding passing through the set of metal plates, and a bandage surrounding each coil head. In the rotor, at least in one of the coil heads, the bandage is respectively... Agent:
20110210562 - Generator system for recovering vehicle and resident wasted energy: The system is intended to extract energy from a vehicle that is otherwise wasted. As an example and not limiting, the generator and linkage as described can be employed with the rotation of a vehicle wheel to capture energy lost during vehicle braking with the generator functioning to convert vehicle... Agent:
20110210563 - Permanent magnet generator: The present invention relates to a permanent magnet generator for increasing the capacity of generating the electric power by increasing the number of a magnetic pole. Thus, the present invention is constructed to largely increase the capacity of generating the electric power by installing the ferromagnetic substances, which are magnetized... Agent:
20110210548 - Control system for extracting power from water flow: A system for controlling operation of a water turbine is described, the system comprising, a turbine; means for measuring an activity affecting operation of the turbine; means for altering operation of the turbine; and a data processing apparatus comprising a central processing unit (CPU), a memory operably connected to the... Agent:
20110210552 - Asynchronous power generator for a wind turbine: An asynchronous power generator for a wind turbine is provided. The asynchronous power generator includes a voltage supply and a stator with stator coils supplied with an alternating voltage by the voltage supply. The voltage supply is configured to adjust the voltage supplied to the stator coils based upon an... Agent:
20110210551 - Method and system for testing a mechanical brake of a wind rotor shaft of a wind turbine: The present disclosure relates to a method for testing a mechanical brake of a wind rotor shaft of a wind turbine, including: applying a predetermined desired brake torque to the mechanical brake; applying a predetermined drive torque to the wind rotor shaft by a motor; and, measuring a parameter indicative... Agent:
20110210550 - Power generation unit and a method generating electric energy: The invention relates to a power generation unit. The unit has a turbine (3), a generator (8) and an electric connection means (9-12) connecting the generator (6) to an electric network (2). According to the invention the generator (8) is a permanent magnet synchronous generator, which has a low load... Agent:
20110210553 - Protection system of a doubly-fed induction machine: The invention relates to a protection system of a doubly-fed induction machine, the system comprises a doubly-fed induction machine with a stator and a rotor, the stator of said doubly-fed induction machine is connected to a grid and the rotor of said doubly-fed induction machine is connected to the grid... Agent: Woodward Kempen Gmbh
20110210549 - System and methods for adjusting a yaw angle of a wind turbine: A method of adjusting a yaw angle of a wind turbine. The wind turbine includes a nacelle that is rotatably coupled to a tower. The method includes coupling a yaw drive assembly to the nacelle for adjusting an orientation of the nacelle with respect to a direction of wind. A... Agent:
20110210554 - High-efficiency mems micro-vibrational energy harvester and process for manufacturing same: The present invention relates generally to a High Efficiency MEMS Micro-Vibrational Energy Harvester (μVEH) having a thick beam bimorph architecture. The disclosed architecture is capable of producing a voltage of sufficient magnitude such that the requirement to connect a plurality of harvesters in series to produce an adequate voltage magnitude... Agent: Mcb Clean Room Solutions, LLC
20110210555 - Gas turbine driven electric power system with constant output through a full range of ambient conditions: A gas turbine compressor (28A, 28B) sized to support respective maximum design points of other gas turbine driven electrical power generating system components (30, 32, 38, 46, 58, 68) during a least dense ambient condition within a design range of ambient conditions. A variable inlet (72) on the compressor automatically... Agent:
20110210556 - Thrust balancing device for cryogenic fluid machinery: An improvement for a turbine generator or pump having main bearings separated by a span of shaft and a thrust equalizing mechanism adjacent one of said main bearings, the improvement comprising a stationary length compensator interposed between the thrust equalizing mechanism and its adjacent main bearing to reduce the span... Agent: Ebara International Corporation
20110210557 - Compact wind and water turbine systems: A fluid driven electrical generation system with most of the electrical generation components in an inner hollow of a housing that is driven to rotate by trapper structures that trap energy from the fluid.... Agent:
20110210560 - Axial cooled generator: A wind turbine having a generator is provided. The generator includes a rotor and a stator having a stator lamination, one or more flange rings and one or more core rings. The stator lamination includes a plurality of axial flow passages and the one or more core rings include a... Agent: General Electric Company
20110210559 - Energy generation system with self opening and closing of sails: An embodiment for generating energy from a fluid flow is proposed. A corresponding energy generation system includes energy conversion means, sail means switchable between an active condition for being carried away from the energy conversion means by the fluid flow and a passive condition for minimizing said carrying away, connection... Agent: Zanettistudios S.r.l.
20110210558 - Stator for an energy converting apparatus and energy converting apparatus using the same: It is described a stator for an energy converting apparatus, the stator comprising the stator including a support structure having an annular shape around an axial direction; a first protrusion coupled to the support structure and extending radially from the support structure; a second protrusion coupled to the support structure... Agent:Previous industry: Knots and knot tying
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