Measuring and testing – Fluid pressure gauge – Diaphragm
Patent
1995-02-21
1997-02-04
Chilcot, Richard
Measuring and testing
Fluid pressure gauge
Diaphragm
G01L 708
Patent
active
056000707
ABSTRACT:
A cup shaped diaphragm having varying thicknesses reduces stress on the diaphragm and increases reliability of a fiber optic diaphragm sensor. The hermetic seal between the optical fiber and the ferrule body is removed from proximity of the diaphragm and is located near the opposite end of the ferrule. The effects on the ferrule of overpressure on the diaphragm are controlled by angling a portion of the ferrule tip adjacent the diaphragm. A method of sealing and locating the optical fiber to the ferrule of the sensor is described.
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Chilcot Richard
Deimen James M.
Dombroske George M.
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