Device and method for determining at least one flow parameter
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United States of America Patent
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May 28, 2013
Grant Date -
Sep 15, 2011
app pub date -
Mar 21, 2011
filing date -
Sep 22, 2008
priority date (Note) -
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Abstract
A device for detecting at least one flow parameter includes a fluidic series connection of a first flow restriction, a first measurement area, a second flow restriction, and a second measurement area. A first sensor is provided for detecting a quantitative first measure of a pressure existing in the first measurement area. A second sensor is provided for detecting a quantitative second measure of a pressure existing in the second measurement area. An evaluator is provided which is configured to determine, while using the measures detected by the first and second sensors, a flow rate of a fluid flowing through the series connection, and/or to determine whether there is an occlusion of the first flow restriction, of the second flow restriction, or of a fluid area adjoining the second measurement area.
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