Centrifuge unit

Details Centrifuge unit Centrifuge unit

1978-09-15

1981-01-13

Jenkins, Robert W.

Chemistry: physical processes

233 1D, 233 1A, 318301, B04B 910, B04B 1300, B04B 1508, B04B 1506

Patent

active

042445132

ABSTRACT:
Disclosed is an improved centrifuge apparatus for separating substances of varying density and a method of controlling the speed of a rotor of the centrifuge apparatus. A vent-view port is mounted for in-out adjustment within an access aperture formed in a lid of the centrifuge apparatus so as to provide for selective opening of vent holes formed in the vent-view port. In addition to venting, the vent-view port has a sensor mount with a transparent window for receiving a tachometer probe for rotor speed monitoring. Additionally, a desired centrifugal force and a desired accumulative centrifugal force can be entered by a human operator. A control unit adjusts the rotor speed and operational cycle time to meet the inputted desired force values while displaying the actual accumulative centrifugal force at the end of the operation cycle.

REFERENCES:
patent: 2003621 (1935-06-01), Anderson
patent: 2173580 (1939-09-01), Fawcett
patent: 2656508 (1953-10-01), Coulter
patent: 3633041 (1972-01-01), Koskela
patent: 3676723 (1972-07-01), Drucker
patent: 3750941 (1973-08-01), Drucker
patent: 3774376 (1973-11-01), Endo
patent: 4014611 (1977-03-01), Simpson
patent: 4076220 (1978-02-01), Osawa
Article Entitled "Electrophoresis-Experiment _MA-014" by Hannig, Schoen, Apollo-Soyuz Test Project Summary Science Report #20:335-352. _
"An Improved Horizontal Slab Gel Electrophoresis Apparatus For DNA Separation" by Kaplan, Russo, Wilcox; Analbiochem 78:235-243, 1977. _
"Electroanalytical Chemistry" by J. J. Lingane, 2nd ed., New York, Interscience Pub. 1958, pp. 243, 364 and 478. _

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