System for measuring and controlling gas mass flow

Details System for measuring and controlling gas mass flow System for measuring and controlling gas mass flow

1996-10-29

1999-07-27

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

13711804, 137486, 137468, 73 116, 73861354, G05D 706

Patent

active

059273216

ABSTRACT:
A system for measuring and controlling the mass flow of a gas of variable characteristics within a pipe by a metering valve, wherein a Coriolis mass flow meter mounted in the pipe is connected to the valve processor unit to calculate a correction factor for the flow rate calculated by the valve and represented by the ratio of the values originating from the Coriolis meter to those originating from the valve, this factor being updated periodically when the operating conditions do not introduce an error into the Coriolis meter. A multi-valve system for different flow rates is also described comprising a single Coriolis meter.

REFERENCES:
patent: 4149254 (1979-04-01), Molusis
patent: 4406161 (1983-09-01), Locke
patent: 4823613 (1989-04-01), Cage
patent: 5044208 (1991-09-01), Corown
patent: 5072416 (1991-12-01), Francisco
patent: 5080131 (1992-01-01), Ono
patent: 5190068 (1993-03-01), Philbin
patent: 5392656 (1995-02-01), Lew
patent: 5458005 (1995-10-01), Perelshteyn
patent: 5488969 (1996-02-01), King
patent: 5537914 (1996-07-01), Gibney
patent: 5586574 (1996-12-01), Smith

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