Direct drive high speed ultracentrifuge

Details Direct drive high speed ultracentrifuge Direct drive high speed ultracentrifuge

1979-03-14

1980-10-07

Jenkins, Robert W.

Chemistry: physical processes

B04B 904

Patent

active

042263590

ABSTRACT:
A direct drive system for a high speed ultracentrifuge. The drive spindle assembly is removable through the rotor chamber without disturbing any vacuum seals that are present to isolate the requisite vacuum environment in the rotor chamber for high speed rotation. All of the high speed bearings are connected to the spindle assembly for removal as a unit. An induction motor provides the direct drive with the motor armature mounted on the drive spindle assembly.

REFERENCES:
patent: 770385 (1904-09-01), Pott
patent: 2171749 (1939-09-01), Hollander
patent: 2936110 (1960-05-01), Cohen
patent: 3218490 (1965-11-01), Eis
patent: 3289925 (1966-12-01), Zippe
patent: 3304990 (1967-02-01), Ontko
patent: 3674196 (1972-07-01), Gutter
patent: 3676723 (1972-07-01), Drucker
patent: 3804324 (1974-04-01), Sinn
patent: 4010893 (1977-03-01), Smith
patent: 4018304 (1977-04-01), Lolachi
News and Comment on Centrifuging, Measuring and Scientific Equipment Co., London, England, vol. 1, No. 1, Jul. 1966.

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