Method of improving pressure sensor measurement by passive curre

Details Method of improving pressure sensor measurement by passive curre Method of improving pressure sensor measurement by passive curre

1997-02-27

1999-02-02

Ballato, Josie

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

36452817, 702133, 95 15, G01R 2708, B01D 1508

Patent

active

058670319

ABSTRACT:
A simplified method and apparatus for electronic pressure control with compensation for current operating temperature and pressures in which computer memory is employed for storing a plurality of firmware models which characterize the effects of temperature and pressure variations on (1) fluid flow through the flow restrictor, (2) the temperature sensor, and (3) the pressure sensor, so that control signals can be generated which compensate a plurality of thermally coupled sensors for changes in current operating temperatures and pressures.

REFERENCES:
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patent: 4233848 (1980-11-01), Sato et al.
patent: 4369661 (1983-01-01), Gibb
patent: 4994096 (1991-02-01), Klein et al.
patent: 5108466 (1992-04-01), Klein et al.
patent: 5193393 (1993-03-01), Czarnocki
patent: 5214962 (1993-06-01), Mahrenholz

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