Fluid flow meter

Details Fluid flow meter Fluid flow meter

1983-01-04

1984-12-25

Goldberg, Gerald

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

73261, 377 21, G01F 310, G01F 1506

Patent

active

044896158

ABSTRACT:
A flow meter comprising a cavity, an inlet to the cavity and an outlet from the cavity, and two oval rotors mounted within the cavity between the inlet and the outlet. The rate of rotation of the rotors is substantially proportional to the flow of fluid through the meter. The rotors are provided with magnets. Electrical inductors, which are capable of detecting the magnets, are arranged outside the cavity to monitor rotation of the rotors without being mechanically linked thereto, and to provide a measure of the flow of fluid through the meter. A division ratio adjuster is included in electrical circuitry of the meter to vary the calibration of the measurement in dependence upon the flow rate through the meter.

REFERENCES:
patent: 1996672 (1935-04-01), Busch
patent: 2094887 (1935-10-01), Herz
patent: 2368019 (1945-01-01), Guibert et al.
patent: 3822591 (1947-07-01), Li
patent: 3945253 (1976-03-01), Liu et al.
patent: 4172381 (1979-10-01), Aigner et al.
patent: 4253341 (1981-03-01), Ikeda et al.
patent: 4306461 (1981-12-01), Grebe, Jr.
patent: 4337655 (1982-07-01), Sundstrom et al.

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