Method of operating a peristaltic pump
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United States of America Patent
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Dec 20, 2011
Grant Date -
Sep 6, 2007
app pub date -
Mar 1, 2006
filing date -
Mar 1, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
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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