| 摘要 |
A fluid power conversion apparatus serving fluid pumping and/or power-generation functions, comprising: an impeller having an impeller hub and a periphery; a housing around the impeller; a diffusor having (a) an outer wall attached to the housing, (b) a diffusor hub rotatably supporting the impeller, and (c) at least one stator vane securing the diffusor hub to the outer wall; and a rotating electrical machine having (a) an armature attached to the housing and (b) a rotor attached to the impeller periphery and positioned to form a rotor-armature gap, whereby the impeller and the rotor form an integrated unit with fluid flow through the rotor.
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