Flow switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Dec 9, 1987
filing date -
Dec 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switch is responsive to fluid flow within a conduit. It is highly sensitive to variations in flow and forms an effective seal between the fluid and atmosphere. It includes a plastic pivot ball in a spherical seat. A blade extends from the pivot ball into the conduit where it can be displaced by fluid flow to rotate the ball. A lever is eccentrically connected to the pivot ball and extends upwardly within a closed, non-magnetic, housing. The upper end of the lever carries a magnet which actuates a switch outside the housing. An adjustable spring between the top of the lever and the housing permits adjustment of the sensitivity of the response.
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International Classification(s)
Cited Art Landscape
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