Anti-fraud liquid meters having a drive and driven magnets with

Details Anti-fraud liquid meters having a drive and driven magnets with Anti-fraud liquid meters having a drive and driven magnets with

1998-05-06

2000-08-08

Patel, Harshad

Measuring and testing

Volume or rate of flow

Element

7386193, 7386194, G01F 1500, G01F 111

Patent

active

060984562

ABSTRACT:
A liquid meter includes a housing with two compartments with respectively a motor member disposed in the path of movement of a stream of the liquid to be measured and a counter, the transmission of the movement of the motor member to the counter being carried out through the separation wall of the compartments with the aid of a magnetic drive device having a pair of magnets, the first magnet associated with the motor member having a face with double polarity in magnetic equilibrium with a face of double polarity of the magnet associated with the counter, each magnet has at least one double polarity on each of its other faces.

REFERENCES:
patent: 2915606 (1959-12-01), Knauth
patent: 3295370 (1967-01-01), Marx
patent: 3781661 (1973-12-01), Trikilis
patent: 3811323 (1974-05-01), Swenson
patent: 3893059 (1975-07-01), Nowak
patent: 3969644 (1976-07-01), Nowak
patent: 4489600 (1984-12-01), Han
patent: 5493917 (1996-02-01), Clanin

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