Device for the control of the quantity and/or the flow rate of a

Details Device for the control of the quantity and/or the flow rate of a Device for the control of the quantity and/or the flow rate of a

1996-06-03

1999-07-27

Dombroske, George M.

Measuring and testing

Volume or rate of flow

Using turbine

G01F 108

Patent

active

059293454

ABSTRACT:
A device for monitoring the flow rate of a liquid has an impeller with a plurality of blades arranged within a duct wherein the liquid flows, and a sensor able to detect the rotation of the impeller. A variable distributor is mounted in the duct for modifying the ratio between the number of revolutions of the impeller and the rate liquid flow in the duct in order to control the resolution of the device.

REFERENCES:
patent: 3857446 (1974-12-01), Kenny
patent: 3877304 (1975-04-01), Vetsch
patent: 4155253 (1979-05-01), Kato et al.
patent: 4419052 (1983-12-01), Stamm
patent: 4694681 (1987-09-01), Hoffmann

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