Process and device for the control and mixing of a fluid current

Details Process and device for the control and mixing of a fluid current Process and device for the control and mixing of a fluid current

1982-08-30

1985-12-10

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

436 45, 356427, G01N 110, G01N 2107

Patent

active

045576009

ABSTRACT:
A process and a device for the centrifugal control and mixing of a limited volumes of fluid, especially in the rotor of a centrifugal analyzer, has at least one baffle chamber, in a flow canal for the fluid the volume of which is greater than the volume of fluid. It is so shaped that, when the device is rotated at a sufficiently high first speed of rotation, the fluid remains in it. An outlet canal is connected to the baffle chamber the fluid. At least a part thereof lies closer to the axis of rotation than the fluid surface during the rotation with the first speed of rotation. The walls of the outlet canal consist of a material which is wettable by the fluid and, in combination therewith, have cross-section which forces the fluid out of the baffle chamber; by boundary surface force when the device is rotated at a second, slower speed.

REFERENCES:
patent: 3586484 (1971-06-01), Anderson
patent: 3795451 (1974-03-01), Mailen
patent: 3801004 (1974-04-01), Martin
patent: 3829223 (1974-08-01), Hamel
patent: 3873217 (1975-03-01), Anderson et al.
patent: 4035156 (1977-07-01), Shumate, II

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