Measuring and testing – Fluid pressure gauge – With pressure and/or temperature compensation
Patent
1993-10-18
1995-01-24
Goldstein, Herbert
Measuring and testing
Fluid pressure gauge
With pressure and/or temperature compensation
36457103, G01L 1904, G01C 2500
Patent
active
053833678
ABSTRACT:
A method for compensating for the differences in temperature across a cell used to sense pressure. A microprocessor calculates a dynamic temperature factor signal by multiplying a signal representative of temperature change across the cell by a coefficient based on measurements made of the effect of temperature change on the cell. The dynamic temperature factor signal is then subtracted from the signal representative of the differential pressure sensed by the cell to thereby provide the dynamic temperature compensation.
REFERENCES:
patent: 4289035 (1981-09-01), Lee
patent: 4446527 (1984-05-01), Runyan
patent: 4866640 (1989-09-01), Morrison, Jr.
patent: 4956795 (1990-09-01), Yamaguchi et al.
patent: 5135002 (1992-08-01), Kirchner et al.
patent: 5191327 (1993-03-01), Talmadge et al.
Bertrand Pierre
Birangi Tourang
Nemer Joseph C.
Elsag International N.V.
Goldstein Herbert
Katterle Paul R.
Oen William L.
Rickin Michael M.
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