Apparatus and method for controlling the rate of flow of a liqui

Details Apparatus and method for controlling the rate of flow of a liqui Apparatus and method for controlling the rate of flow of a liqui

1995-04-17

1996-10-15

Chilcot, Richard

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

73 3, G01F 2300

Patent

active

055643051

ABSTRACT:
A column of liquid is formed in a conduit for such liquid, of which flow-off amount gives then between two level measuring probes a constant value. This constant value is compared with the indicated value of a flow meter arranged in the conduit regarding the conformity in order to detect if the value indicated by the flow meter lies within a tolerance range or not. In the latter case, the error indication of the flow meter is too large and the liquid conduit is shut off. This controlling is made in arbitrary intervals automatically by the apparatus, whereby the interval is set by the speed with which the liquid column is completed.

REFERENCES:
patent: 3324707 (1967-06-01), Charbonnier
patent: 3605481 (1971-09-01), Basler
patent: 3885587 (1975-05-01), Troope
patent: 4095920 (1978-06-01), Needham et al.
patent: 4823987 (1989-04-01), Switall
patent: 4897797 (1990-01-01), Free, Jr. et al.
patent: 4908783 (1990-03-01), Maier

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