Fluid meter with modular automatic meter reading unit

Details Fluid meter with modular automatic meter reading unit Fluid meter with modular automatic meter reading unit

1997-04-10

1998-07-07

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Element

G01F 308

Patent

active

057772223

ABSTRACT:
A fluid meter includes a casing, a lever within the casing that oscillates in response to the flow of fluid through the meter and an attachment mechanism that mounts an automatic meter reader to the casing in proximity to the lever. A magnet is attached to the lever so that movement of the lever creates a changing electromagnetic field external to the casing. The changing electromagnetic field is detected by and operates to actuate the automatic meter reader. As a result, the automatic meter reader detects fluid flow in the fluid meter without being directly connected to, or interfering with the operation of, a mechanical meter index associated with the fluid meter.

REFERENCES:
patent: 1073386 (1913-09-01), Bassett
patent: 1190705 (1916-07-01), Bassett
patent: 3093307 (1963-06-01), Hague et al.
patent: 3425275 (1969-02-01), Russell et al.
patent: 3778795 (1973-12-01), Campman et al.
patent: 4027523 (1977-06-01), St. Clair
patent: 4409848 (1983-10-01), Lutz
patent: 5025470 (1991-06-01), Thornborough et al.
patent: 5111682 (1992-05-01), Halpin
patent: 5515722 (1996-05-01), Roberts
patent: 5590179 (1996-12-01), Shincovich et al.

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