Differential pressure monitor
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United States of America Patent
Stats
-
Mar 24, 1987
Grant Date -
N/A
app pub date -
Dec 3, 1984
filing date -
Dec 3, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a differential pressure monitor having an elongated housing defining an elongated interior chamber. A piston is axially slidably mounted within the chamber and divides the chamber into two subchambers, each of which are fluidly connected to a fluid system. A compression spring resiliently urges the piston in one axial direction in the chamber while an arm abuts against the piston and provides an exteriorly visible signal of the position of the piston within the chamber and thus of the differential pressure between the subchambers.
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