Measuring and testing – Fluid pressure gauge – Diaphragm
Patent
1995-07-14
1997-08-26
Dombroske, George M.
Measuring and testing
Fluid pressure gauge
Diaphragm
73862581, G01L 904, G01L 102, G01L 508
Patent
active
056612451
ABSTRACT:
A force sensor assembly incorporates an integrated plunger to provide an economical assembly which can be calibrated and mounted as a single unit. The force sensor assembly utilizes a retainer to movably capture a solid interface within an opening in the retainer. The solid interface includes a flange positioned within the assembly below the retainer opening. The flange dimensions are greater than the retainer opening to retain the solid interface within the assembly. The retainer is attached to a housing body having a gel filled cavity underlying the retainer opening. A diaphragm free floats on the gel within the housing body and contacts the solid interface. The gel transmits a force exerted on the diaphragm from the solid interface to a pressure sensor mounted at the base of the housing body cavity. A ceramic substrate having an integrated resistor network supports the pressure sensor and an amplifier. The pressure sensor and accompanying electronic components provide a conditioned electrical signal corresponding to the force applied to the solid interface.
REFERENCES:
patent: 2488347 (1949-11-01), Thurston
patent: 3439541 (1969-04-01), Gilder
patent: 5209121 (1993-05-01), Haefner
patent: 5218972 (1993-06-01), Gorsuch et al.
patent: 5392653 (1995-02-01), Zanger et al.
patent: 5438877 (1995-08-01), Vowles et al.
Cartsonas Christos D.
Cook, Sr. James T.
Svoboda Eugene V.
Chambers Kent B.
Dombroske George M.
Klivans Norman R.
Oen William L.
Sensym, Incorporated
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