Agitating – Stirrer within stationary mixing chamber – Magnetic stirrer
Patent
1994-08-01
1996-01-02
Scherbel, David
Agitating
Stirrer within stationary mixing chamber
Magnetic stirrer
366283, B01F 1308
Patent
active
054802288
ABSTRACT:
A mixer system for aggressive (toxic, hazardous, corrosive, etc.) materials which are mixed (agitated, suspended, circulated, etc.) in a vessel with an impeller connected to a drive shaft has the impeller and its shaft mounted in an assembly which extends through an opening into the tank and closes that opening. The assembly has a cylindrical hub with a passageway through which the shaft extends out of an open end of the hub. Bearings which are made of materials resistant to the aggressive material in the tank are mounted in the hub and journal and support the shaft. The passageway is part of a confinement region which is terminated by a confinement shell which separates inner and outer rotors of a magnet coupling. The inner rotor is connected to the shaft, directly or through a gear train (preferably a planetary gear set). The outer rotor is connected to a drive shaft.
REFERENCES:
patent: 2566743 (1951-09-01), Okulitch et al.
Gambrill Jeffrey S.
Hutchings William F.
Markle Stephen L.
Palmer John M.
Schutte Marlin
General Signal Corporation
Lukacher M.
Scherbel David
Till Terrence R.
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