Vacuum centrifuge with magnetic drive

Details Vacuum centrifuge with magnetic drive Vacuum centrifuge with magnetic drive

1979-05-09

1980-10-07

Yudkoff, Norman

Concentrating evaporators

Film type

Centrifugal

192 84PM, 233 26, 200 617, 159 44, B01D 100

Patent

active

042266696

ABSTRACT:
A high speed centrifugal concentrator includes a vacuum chamber within which a centrifuge rotor is rotatably mounted for spinning a plurality of vials containing biological solutions or the like at high speed while subjecting the solution to a vacuum condition for concentrating and evaporating the latter. The vacuum chamber has a hinged cover and is completely enclosed to maintain the vacuum condition therein and the centrifuge rotor is driven by an electric motor located outside of said closed vacuum chamber and remote therefrom. The electrical circuit for driving the motor includes dynamic braking means for braking the motor in response to manual operation of a selector switch, or to the raising of the vacuum chamber cover from closed position.

REFERENCES:
patent: 2512604 (1950-06-01), Bierwirth
patent: 3304990 (1967-02-01), Ontko et al.
patent: 3504777 (1970-04-01), Waugh
patent: 3512618 (1970-05-01), Schafer

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