Compact, modular, pump or turbine with integral modular motor or generator and coaxial fluid flow
Number of patents in Portfolio can not be more than 2000
United States of America
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May 3, 2022
Grant Date -
Feb 27, 2020
app pub date -
Oct 30, 2019
filing date -
Oct 30, 2019
priority date (Note) -
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Abstract
A coaxial pump or turbine module includes an integral, modular motor or generator comprising a magnet structure containing radial or axial permanent magnets and/or induction coils detachably fixed to a rotor, and a stator housing detachably fixed to the module housing. Working fluid is directed axially through a flow path symmetrically distributed within an annulus formed between the module housing and the stator housing. The stator housing can be cooled by the working fluid, or by a cooling fluid flowing between passages of the flow path. The flow path can extend over substantially a full length and rear surface of the stator housing. A plurality of the modules can be combined into a multi-stage apparatus, with rotor speeds independently controlled by corresponding variable frequency drives. Embodiments include guide vanes and/or diffusers. The rotor can be fixed to a rotating shaft, or rotate about a fixed shaft.
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