Doppler flow meter and method

Details Doppler flow meter and method Doppler flow meter and method

1976-05-12

1979-03-06

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

128 205F, 128 205Z, G01F 166

Patent

active

041424123

ABSTRACT:
A catheter probe flow meter and method of determining the volume flow of a fluid through a conduit, at least one of the fluid and the conduit having energy-scattering interfaces. The method in one embodiment includes transmitting at least two and receiving at least one or transmitting at least one and receiving at least two sound beams through the fluid, resolving the Doppler vectors into an average velocity vector for each transmitting/receiving combination, and resolving the resolved velocity vectors into their component parts.

REFERENCES:
patent: 2770795 (1956-11-01), Peterson
patent: 3028752 (1962-04-01), Bacon
patent: 3685348 (1972-08-01), Bottcher et al.
patent: 3703652 (1972-11-01), Noda
patent: 3766517 (1973-10-01), Fahrbach
patent: 3783967 (1974-01-01), Apgar
patent: 3977247 (1976-08-01), Hassler
patent: 3987673 (1976-10-01), Hansen
patent: 4067236 (1978-01-01), Hottinger

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