Method of operating a peristaltic pump

Details Method of operating a peristaltic pump Method of operating a peristaltic pump

2006-03-01

2011-12-20

Kramer, Devon C (Department: 3746)

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

C417S477100, C417S476000

Reexamination Certificate

active

08079836

ABSTRACT:
A method for operating a peristaltic pump having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The pump head rollers are mounted radially from the axis of rotation of the pump motor and compress the elastomeric flow channels against the rigid substrate. During reflux, the pump head is positioned so that at least one of the rollers compresses the elastomeric flow channel at the input end of the peristaltic pump. Such an operation minimizes the amount of the elastomeric sheet that is exposed to high transient pressures.

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