Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
Patent
1993-12-10
1995-07-18
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Using rotating member with particular electrical output or...
335303, G01F 1075
Patent
active
054331188
ABSTRACT:
An electronic fluid meter, such as a water meter, has a body through which the fluid flows, a rotor having magnetized blades and a sensor-transducer proximate the blades. The rotor is formed by injection-molding or sintering a mixture of a plastic resin and magnetizable particles, preferably strontium ferrite particles.
REFERENCES:
patent: 3164020 (1965-01-01), Groner et al.
patent: 4306457 (1981-12-01), Fukui et al.
patent: 4555685 (1985-11-01), Maruyama
patent: 4856348 (1989-04-01), Hall
patent: 5313159 (1994-05-01), Allwine, Jr.
Contadores de Agua de Zaragoza
Gerber Eliot S.
Goldstein Herbert
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