Patent
Power conversion and energy storage device
TLDR
In this article, the authors describe a power conversion device with a diffuser and a rotor, which operate as a turbine/generator and as a motor/pump, respectively.Abstract:
Power conversion device (20) including: a first fluid conduit (21); a diffuser (22) attached thereto with at least one vane supporting a diffuser hub (25); a rotor (23) supported by the diffuser hub and having a rotor blade (23 A), hub, and shroud (28) at the periphery thereof with at least one magnet (29) thereon; a housing (32) surrounding the shroud and attached to the diffuser, and having a stator (36) including laminations (31) forming poles (3 IP) and at least one coil (33) therearound, the stator encapsulated in a non-metallic compound (35) to prevent fluid contact with laminations and coil(s); a commutation control (44) connected to the coil(s) and having external leads (45); and a second fluid conduit (24) attached to the housing so fluid flow causes a torque load on the blades, rotating the rotor and inducing a magnetic field in the poles to generate current in the coil, converting hydraulic power to electric power. The device operates as a turbine/generator and as a motor/pump.read more
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Patent
Synchronous generator of a gearless wind energy turbine
Gudewer Wilko,Giengiel Wojciech +1 more
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TL;DR: In this paper, a combined pump and turbine (electromechanical converter) was used for transmission of a liquid, such as water, in a water treatment plant, which may be operable as a motorized centrifugal pump for starting a siphon and as an electromechanical turbine particularly for transmission a liquid.
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TL;DR: In this article, a system for recovering energy while treating a body of wastewater comprises a tank, a plurality of diffusers, a propeller, and a generator, which is linked to the propeller and is operative to generate electrical energy.
References
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Patent
Variable speed wind turbine having a matrix converter
TL;DR: In this article, a variable speed wind turbine is disclosed comprising a turbine rotor that drives a doubly-fed induction generator, a matrix converter which converts variable frequency output into constant frequency output, and a control unit and a protection circuit for the matrix converter.
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Magnetically suspended miniature fluid pump and method of making the same
TL;DR: A rotary pump for pumping fluids through a patient having a housing with an internal region, a stator member and an impeller positioned within the housing and having impeller blades, wherein the impeller is magnetically suspended and rotated, and wherein the geometric configuration of the rotary pumps is sized and proportioned to minimize stagnant and traumatic fluid flow within the pump as discussed by the authors.
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Protective case having a hybrid structure for portable handheld electronic devices
TL;DR: In this paper, a "glove" or "skin" piece of a softer material is used to cover the entire back of a handheld device by wrapping over the edge of the electronic device.
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Fluid energy apparatus and method
TL;DR: In this article, a preferred embodiment of a system for power generation through movement of fluid has been presented, which includes a power generating cell with a generally cylindrical housing a ring for rotating disposed in said housing, one or more impellers fixedly coupled to said ring, and a generator operably coupled to the ring for receiving energy from the one or multiple impellers in which fluid is disposed about one ormore impellers for creating energy.