Measuring and testing – Volume or rate of flow – By measuring transit time of tracer or tag
Patent
1981-07-20
1983-07-19
Ruehl, Charles A.
Measuring and testing
Volume or rate of flow
By measuring transit time of tracer or tag
7386109, G01F 170
Patent
active
043937195
ABSTRACT:
A flowmeter for the measurement of fluid flow employs a combination of two transit times for the passage of charged particles through a known distance under different conditions. Applications include the measurement of the air-fuel mixture in automobile engines.
REFERENCES:
patent: 2827786 (1958-03-01), Boyd et al.
patent: 4056003 (1977-11-01), Zizine
patent: 4074572 (1978-02-01), Bullis et al.
patent: 4186601 (1980-02-01), Maruoka
Bullis Robert H.
Wiegand Walter J.
Petraske Eric W.
Ruehl Charles A.
United Technologies Corporation
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