Laboratory centrifuge with electric motor

Details Laboratory centrifuge with electric motor Laboratory centrifuge with electric motor

1998-03-23

1999-10-26

Walker, W. L.

Imperforate bowl: centrifugal separators

Including specific device or structure for driving or...

B04B 902

Patent

active

059719087

ABSTRACT:
A laboratory centrifuge has a centrifuge rotor supported on a stator and rotatable on a bearing about an axis of rotation. An electric motor drives the rotor and has pole pieces at a stationary part mounted on the stator and a rotatable part directly attached to the rotor, the stationary part having pole pieces with drive coils. The pole pieces magnetically act through a gap between the pole pieces and the rotatable part, and the gap lies in a surface which is perpendicular to the axis of rotation or forms a shallow frustocone opening either upwardly or downwardly.

REFERENCES:
patent: 5505684 (1996-04-01), Piramoon
patent: 5683341 (1997-11-01), Giebeler

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