Boots – shoes – and leggings
Patent
1984-03-09
1987-03-31
Krass, Errol A.
Boots, shoes, and leggings
7386143, 7386148, 364510, 364752, G06F 738
Patent
active
046548130
ABSTRACT:
An apparatus for determining a square root averaging error for a differential pressure orifice meter while measuring volumetric fluid flow in a closed medium including input circuitry that provides an input signal corresponding to the instantaneous differential pressure measured at the orifice plate and logic circuitry connected to receive the signals from the input circuitry for computing the square root averaging error for the orifice meter over a selected time interval. Also disclosed is an apparatus for measuring volumetric fluid flow in a closed medium that includes input circuitry for providing an input signal corresponding to a differential pressure at an orifice located within the closed medium and logic circuitry connected to receive the input signal, compute a square root of the corresponding differential pressure and provide an output signal corresponding to this square root.
REFERENCES:
patent: 3278728 (1966-10-01), Ralsdale
patent: 3444736 (1969-05-01), Stedman
patent: 4250553 (1981-02-01), Sebens et al.
patent: 4277832 (1981-07-01), Wong
patent: 4388691 (1983-06-01), Nuspl
patent: 4409660 (1983-10-01), Shauler
patent: 4414634 (1983-11-01), Louis et al.
patent: 4450715 (1984-05-01), Sumal
Stough, "Automatic Temperature and Pressure Compensation"; Instr. & Control Systems; Aug. 1959; pp. 1180-1181.
Beitler et al.; "Developments in the Measuring of Pulsating Flows with Inferential-Head Meters"; translations of A.S.M.E.; May 1943.
Edlund Carl E.
Sparks Cecil R.
Krass Errol A.
Southern Gas Association
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