Chromatography system with blockage determination

Details Chromatography system with blockage determination Chromatography system with blockage determination

2007-10-09

2007-10-09

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Inspecting

C073S061520, C073S061570

Reexamination Certificate

active

11417962

ABSTRACT:
There is provided a method that includes, (a) monitoring a pressure on a fluid being conveyed through an intake tube into a chamber by a pump, (b) determining a deviation of the pressure from a predefined value, (c) determining a blockage of the intake tube based on the deviation, and (d) determining an amount of an adjustment of a parameter of the pump to compensate for the blockage.

REFERENCES:
patent: 3917531 (1975-11-01), Magnussen
patent: 4137011 (1979-01-01), Rock
patent: 2002/0134143 (2002-09-01), Allington et al.
patent: 2003/0236489 (2003-12-01), Jacobson et al.

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