Current monitoring system and method for metering...

Details Current monitoring system and method for metering... Current monitoring system and method for metering...

2007-09-11

2007-09-11

Koczo, Jr., Michael (Department: 3746)

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

C417S053000, C222S014000, C222S063000

Reexamination Certificate

active

10680781

ABSTRACT:
A pump system includes a peristaltic pump having a rotor, a motor and a controller. The motor is configured to drive the peristaltic pump so as to deliver a liquid product from a source to a receiving location. The controller monitors a drive current of the motor so as to track rotation of the pump's rotor. The controller counts units of rotation of the pump's rotor, and stops the motor when the counted units of rotation reach a specified target count value.

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patent: 5992686 (1999-11-01), Cline et al.
patent: 6248093 (2001-06-01), Moberg
patent: 7111762 (2006-09-01), Saunders et al.
patent: 0 327 209 (1989-08-01), None
International Search Report for International Application No. PCT/US2004/029271, dated Nov. 29, 2004, 3 pages.

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