Fluid flow detectors

Details Fluid flow detectors Fluid flow detectors

1987-11-06

1990-01-02

Orsino, Joseph A.

Measuring and testing

Volume or rate of flow

By measuring transit time of tracer or tag

7386132, G01F 105

Patent

active

048904996

ABSTRACT:
The disclosed orbital ball flow detectors have an exposed ball-sensing electrode near or along the path of the orbiting ball, and a return electrode. The ball's cross-section is much larger than the sensing electrode, which is closely over-shadowed by the ball as it orbits past the electrode. Unusually large signals are provided when the ball is of insulation and the flow to be monitored exhibits some electrical conductivity. Where the ball orbits along a conductive track and is of metal, it acts as a switch when oribiting past the sensing electrode.

REFERENCES:
patent: 818566 (1906-04-01), Scotti
patent: 3308660 (1967-03-01), Ford
patent: 3861210 (1975-01-01), Griverus
patent: 4089220 (1978-05-01), Houlberg
patent: 4157660 (1979-06-01), Spacek
patent: 4324144 (1982-04-01), Miyata et al.
patent: 4333354 (1982-06-01), Feller
patent: 4399696 (1983-08-01), Feller
patent: 4462262 (1984-07-01), Kahnke
patent: 4535637 (1985-08-01), Feller
patent: 4612806 (1986-09-01), Feller

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