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US06988873B2 Monodirectional impeller with flexible vanes 有权
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Monodirectional impeller with flexible vanes
Abstract:
A monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor, having vanes which are deformable at least along part of their extension so as to change their curvature, when loaded, in one direction of rotation, so that the power required for rotation in that direction is greater than the maximum power that can be delivered by the motor.
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