Chemistry: physical processes
Patent
1977-10-25
1978-08-29
Krizmanich, George H.
Chemistry: physical processes
233 26, B04B 502, B04B 908
Patent
active
041098552
ABSTRACT:
Centrifugal processing apparatus in which a processing chamber is rotatably mounted with respect to a stationary base. An umbilical cable segment is fixed at one end substantially along the axis of the processing chamber at one side thereof, with the other end of the cable segment being attached substantially on the axis in rotationally locked engagement to the processing chamber. A coaxial main drive shaft is provided and is driven at a first angular velocity. The cable segment extends from its location in rotationally locked engagement to the processing chamber, through a central bore defined by the main drive shaft and radially outwardly therefrom. Power is transmitted to the processing chamber via a transmission countershaft which is parallely located with respect to the main drive shaft and operative to turn in the direction opposite to the direction of the main drive shaft. The countershaft is coupled so that when the main drive shaft is driven at the first angular velocity, the processing chamber will effectively rotate at twice the first angular velocity. The construction of the processing system is such that the drive is substantially hidden and requires a relatively small number of seals.
REFERENCES:
patent: 3885735 (1975-05-01), Westberg
patent: 3986442 (1976-10-01), Khoja et al.
Brown Richard I.
Duffy Joseph K.
Baxter Travenol Laboratories Inc.
Collins Henry W.
Flattery Paul C.
Gerstman George H.
Krizmanich George H.
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