Measurement of gas flows with enhanced accuracy

Details Measurement of gas flows with enhanced accuracy Measurement of gas flows with enhanced accuracy

1991-09-26

1994-06-21

Chilcot, Jr., Richard E.

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

73 3, G01F 100

Patent

active

053219929

ABSTRACT:
A method of correcting measurement errors of an instrument for measuring the flow of a gas, the instrument having a selected measuring range and being constructed to produce a reading indicating the value of a gas flow in the selected measuring range, by the steps of: selecting a limited number of gas flow values which are spaced apart across the measuring range; determining the readings produced by the instrument when the instrument is measuring gas flows at the selected values; measuring the flow of the gas with the instrument to produce a reading indicating the value of the gas flow; and producing a corrected reading by calculating a function of the reading produced in the measuring step and the readings produced in the determining step.

REFERENCES:
patent: 4581946 (1986-04-01), Kanayama
patent: 4885943 (1989-12-01), Tootell et al.
patent: 4961348 (1990-10-01), Bonne
patent: 5016187 (1991-05-01), Forkert et al.
Written Opinion; PCT Authorities; Aug. 30, 1993.

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