Determining height variations around a rotor

Details Determining height variations around a rotor Determining height variations around a rotor

1996-11-13

1998-04-07

Snay, Jeffrey

Chemistry: analytical and immunological testing

Automated chemical analysis

With conveyance of sample along a test line in a container...

436 50, 436 54, G01N 3502

Patent

active

057364036

ABSTRACT:
A method for determining and correcting for the variations in height of a rotor as it wobbles when rotating past a particular critical circumferential position. The method comprises sensing a reference surface of each vessel in the rotor that is to be filled during the use of the rotor in an incubator, as a tare height of the vessel, so that the effect of the vertical run-out is known and corrected for by the computer. Air pressure is used to detect the reference surface, either from a vessel-wash probe connected to the source of air pressure, or a separate sensor probe.

REFERENCES:
patent: 4794085 (1988-12-01), Jessop et al.
patent: 5133392 (1992-07-01), Hamann
patent: 5244633 (1993-09-01), Jakubowicz et al.
patent: 5270210 (1993-12-01), Weyrauch et al.
patent: 5443791 (1995-08-01), Cathcart et al.
patent: 5443792 (1995-08-01), Buhler

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