Procedure for flow measurement and equipment therefor

Details Procedure for flow measurement and equipment therefor Procedure for flow measurement and equipment therefor

1990-02-26

1991-08-20

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring transit time of tracer or tag

128692, G01F 1708

Patent

active

050404229

ABSTRACT:
A process and apparatus for flow measurement in which a marker volume is generated by the application of an electric voltage. This marker volume runs through a measured length in the direction of flow. The flow speed or a measurement linked to the flow speed is calculated from the transit time of the market volume. In adapting same for use in the characteristic flow range of body-related, aqueous fluids, that is, for measuring the flow of electrolytic, body-related fluids, the marker volume is generated by a short-term electrolytic breakdown of the fluid and the applied voltage is less than 24 Volts.

REFERENCES:
patent: 1616481 (1927-02-01), Alilen
patent: 3184967 (1965-05-01), Rogers
patent: 3242729 (1966-03-01), Keiller
patent: 4152935 (1979-05-01), Nagaishi et al.
patent: 4186601 (1980-02-01), Maruoka
patent: 4393719 (1983-07-01), Wiegand et al.
patent: 4570492 (1986-02-01), Walsh
patent: 4576050 (1986-03-01), Lambert

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