Pipeline flowmeter prover control system and method

Details Pipeline flowmeter prover control system and method Pipeline flowmeter prover control system and method

1991-01-22

1992-12-15

Williams, Hezron E.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01F 2500

Patent

active

051706563

ABSTRACT:
A reciprocable piston and cylinder type flowmeter prover is calibrated by providing a liquid conducting manifold for conducting liquid to one chamber formed by the cylinder and piston while displacing fluid from the other chamber to a measuring tank, and vice versa. The prover includes a controller having sensors which sense the movement of the piston between its first and second positions and a controller interface is provided between the prover controller and a solenoid-operated valve to provide selective control over the operation of the valve while measuring prover piston displacement in both directions. Visual and audio indicators are interconnected in a controller circuit which indicates the condition of the prover during the calibration process and receives signals from the controller interface for operating the valve.

REFERENCES:
patent: 3120118 (1964-02-01), Boyle
patent: 3271994 (1966-09-01), Fournier et al.
patent: 3888106 (1975-06-01), Last et al.
patent: 3955399 (1976-05-01), Neal
patent: 4962666 (1990-10-01), Adney et al.
patent: 4996869 (1991-03-01), Cohrs et al.

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