Flow sensor and flow resistive element
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United States of America Patent
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Jul 12, 2005
Grant Date -
N/A
app pub date -
Mar 28, 2003
filing date -
Apr 3, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flow sensor is disclosed that measures a flow of fluid passing through a conduit and a flow resistive element for use in such a flow sensor. The flow sensor includes a housing having a main channel defined therethrough. A flow resistive element is disposed in the housing across the main channel. The flow resistive element includes a rigid body member having a first surface and a second surface. A plurality of unobstructed, wedge-shaped, openings are defined in the body member and extend through the rigid body member. In addition, a plurality of spokes extend from a central portion of the body member to its perimeter so that each spoke separates adjacent wedge-shaped openings from one another.
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