Continuous flow centrifuge apparatus

Details Continuous flow centrifuge apparatus Continuous flow centrifuge apparatus

1975-10-28

1977-03-15

Krizmanich, George H.

Chemistry: physical processes

B04B 1500

Patent

active

040119726

ABSTRACT:
A vacuum seal for use in a continuous flow centrifuge apparatus for minimizing heat transfer from the vacuum bushing to the rotary transfer tube which is conducting the sample solution to the centrifuge rotor. An elongate, cylindrical sleeve surrounds the transfer tube, coaxial therewith and spaced therefrom, adjacent the upper end thereof, between the transfer tube and the vacuum bushing, the bushing creating an oil film around the transfer tube to provide the vacuum seal, the annulus formed between the inner surface of the sleeve and the outer surface of the transfer tube isolating the transfer tube from the heat created in the oil film.

REFERENCES:
patent: 2067273 (1937-01-01), Knowles et al.
patent: 3129174 (1964-04-01), Pickels et al.
patent: 3191856 (1965-06-01), Pickels et al.
patent: 3195809 (1965-07-01), Pickels et al.
patent: 3498532 (1970-03-01), Harbott
patent: 3602425 (1971-08-01), Schmidt
patent: 3765601 (1973-10-01), Gulley

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