Solution dispensing system

Details Solution dispensing system Solution dispensing system

2011-08-30

2011-08-30

Nagpaul, Jyoti (Department: 1773)

Chemistry: analytical and immunological testing

Automated chemical analysis

Condition or time responsive

C422S403000, C422S076000, C422S082020, C422S082030, C436S149000, C436S150000

Reexamination Certificate

active

08008082

ABSTRACT:
A method and system for switching the dispensing of a first solution from a first vessel to dispensing a second solution from a second vessel when a parameter of the first solution crosses a threshold is described. In one embodiment, a fluid dispensing apparatus includes a first vessel and a second vessel. The first vessel includes an output conduit adapted to dispense the first solution from the first vessel into a fluid receiving region. The second vessel includes an output conduit adapted to dispense the second solution from the second vessel into the fluid receiving region. The apparatus includes a first sensor positioned to measure a parameter of the first solution before the first fluid enters the fluid receiving region. The apparatus also includes a second sensor positioned to measure a parameter of the second solution before the second solution enters the fluid receiving region.

REFERENCES:
patent: 6418958 (2002-07-01), Rossi et al.
patent: 6820661 (2004-11-01), Heimert
patent: 2005/0107013 (2005-05-01), Gadini et al.

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