Pump controller for precision pumping apparatus

Details Pump controller for precision pumping apparatus Pump controller for precision pumping apparatus

2006-04-18

2006-04-18

Campbell, Thor (Department: 3742)

Pumps

Condition responsive control of pump drive motor

With condition responsive control of pump fluid valve

C222S189060

Reexamination Certificate

active

07029238

ABSTRACT:
A pump controller and pump controlling method for dispensing a precise amount of low viscosity fluid are provided in which the problems of double dispenses and stuttered dispenses are avoided. In particular, the timing of the valves and motors in the pumping apparatus are adjusted to avoid these problems.

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patent: 5599394 (1997-02-01), Yabe et al.
patent: 6190565 (2001-02-01), Bailey et al.
patent: 0863538 (1998-09-01), None
patent: 0867649 (1998-09-01), None

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