Peristaltic hose pump
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jul 16, 2015
app pub date -
Jan 5, 2015
filing date -
Dec 11, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for generating a flow by a peristaltic hose pump, a generated fluid pressure being limited to 500 mbar and being achieved and maintained without a pressure measurement during operation of the pump. A length of a flexible and elastic pump segment of a hose is adjusted such that, while a roller wheel is stationary, and while the segment is guided under tension around the roller wheel, and when applying a fluid pressure in the range from 10 to 400 mbar to one end of the pump segment, a backflow leakage in the opposite direction to the direction of rotation of the roller wheel is created, and a flow of the fluid of at least 0.01 l/min through the pump segment is obtained, taking into account the backflow leakage. The distance of fixing points of each end of the pump segment to the roller wheel rotation axis is fixed.
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Family
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