Monitoring fluid flow in a pressure support system
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United States of America Patent
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Nov 11, 2003
Grant Date -
N/A
app pub date -
Dec 19, 2001
filing date -
Feb 21, 2001
priority date (Note) -
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Abstract
The present invention pertains to a pressure support system in which a flow or volume of gas is measured without using a dedicated flow element used in a conventional flow meter. Instead, the present invention provides a tortuous gas flow path in which a pressure differential is created between two points in the tortuous path. This pressure differential created by the gas flow path provides the necessary pressure drop for measuring the gas flow and/or gas volume passing through the pressure support system.
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