Pumps – Motor driven – Including means for selectively varying motor speed or...
Patent
1994-07-01
1996-07-23
Korytnyk, Peter
Pumps
Motor driven
Including means for selectively varying motor speed or...
417474, F04B 4308
Patent
active
055384056
ABSTRACT:
A peristaltic pumping apparatus and associated method to control power to the pump rotor to establish, during a preestablished first time period, a selected first angular velocity and sequentially establishing during a preestablished second time period immediately following the first time period a second angular velocity different than the first angular velocity. In this fashion, the apparatus and method achieve flow rates well below the minimum continuous flow rate of the rotor.
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Brown Richard I.
Cork William H.
Patno Timothy J.
Barrett Joseph B.
Baxter International Inc.
Korytnyk Peter
Price Bradford R. L.
Ryan Daniel D.
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