Oil-less differential pressure sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 2002
Grant Date -
Oct 25, 2001
app pub date -
Feb 9, 2001
filing date -
Feb 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pressure sensor is provided for measuring a pressure difference between two fluids which does not require isolation fluid. The pressure sensor includes a diaphragm support member having an outer periphery and diaphragms coupled thereto. Movement of the diaphragms are the movement of a moveable member. The movement can be sensed to determine the applied differential pressure. The coupling member is joined to the outer periphery with a web. The web is recessed from opposed outwardly facing surfaces of the outer periphery, and first and second diaphragms disposed on opposite sides of the diaphragm support member. Each diaphragm is joined to the outer periphery and to the coupling member.
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