Fluid flow sensor

Details Fluid flow sensor Fluid flow sensor

1981-01-07

1983-08-16

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring transit time of tracer or tag

73239, G01F 170

Patent

active

043984282

ABSTRACT:
A fluid flow sensor, according to the present invention, comprises a straight fluid passage having ports on both ends thereon. A ball member is disposed with in the straight fluid passage to move therealong. Detectors are provided in the fluid passage adjacent both ends thereof for detecting ball member reaching at the detector. A switching device for switching flow direction of the fluid in the straight fluid passage is responsive to detection of the ball member position of the detectors. A counter counts up the occurrence of switching of fluid flow directions.

REFERENCES:
patent: 35806 (1862-07-01), Aubin
patent: 2014664 (1935-09-01), Nicholls
patent: 2772664 (1956-12-01), Jones et al.
patent: 3344667 (1967-10-01), Maltby
patent: 3605741 (1971-09-01), Spencer
patent: 3657925 (1972-04-01), Gross

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