Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member
Reexamination Certificate
2006-01-24
2006-01-24
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Articulated, resiliently mounted or self-shifting impeller...
Sectional, staged or nonrigid working member
C416S140000, C416S240000, C416S243000, C416S1700HM
Reexamination Certificate
active
06988873
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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Akerman & Senterfitt
Askoll Holding S.r.l.
Nguyen Ninh H.
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