Sight flow indicator
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United States of America Patent
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Aug 7, 1990
Grant Date -
N/A
app pub date -
Nov 7, 1989
filing date -
Nov 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sight flow indicator for visually indicating fluid flow through a conduit including a housing that has an inlet and an outlet and defines a flow passage between the two, the flow passage including a sighting region and a downstream restricted region that has a smaller flow area than said sighting region, a window in the housing providing viewing of the sighting region, and an elongated member that is located in the sighting region that is too long to move from the sighting region into the restricted region and is sufficiently smaller than the sighting region so as to be capable of vibrating about in the sighting region in response to flow of fluid therethrough.
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