Calorimetric flow indicator
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United States of America Patent
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Jul 4, 1995
Grant Date -
N/A
app pub date -
Sep 27, 1993
filing date -
Oct 2, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A calorimetric flow indicator includes a sensor element which forms a temperature-dependent resistance and which heats up in a short period of time by application thereto of electrical current. A resistance variation of the sensor element, induced by cooling, represents a measure of flow velocity of a medium flowing by the sensor element. The sensor element rests against an inner surface of a front wall of a housing projecting into the flowing medium. That section of the housing that includes the front wall and projects into the flowing medium has the shape of an obtusely truncated cone.
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