Measuring and testing – Volume or rate of flow – Mass flow by imparting angular or transverse momentum to the...
Patent
1994-05-04
1996-03-12
Chilcot, Richard
Measuring and testing
Volume or rate of flow
Mass flow by imparting angular or transverse momentum to the...
73232, 73269, G01F 338
Patent
active
054976634
ABSTRACT:
An apparatus for remotely measuring and logging the flow rate of groundwater seepage into surface water bodies. As groundwater seeps into a cavity created by a bottomless housing, it displaces water through an inlet and into a waterproof sealed upper compartment, at which point, the water is collected by a collection bag, which is contained in a bag chamber. A magnet on the collection bag approaches a proximity switch as the collection bag fills, and eventually enables the proximity switch to activate a control circuit. The control circuit then rotates a three-way valve from the collection path to a discharge path, enables a data logger to record the time, and enables a pump, which discharges the water from the collection bag, through the three-way valve and pump, and into the sea. As the collection bag empties, the magnet leaves the proximity of the proximity switch, and the control circuit turns off the pump, resets the valve to provide a collection path, and restarts the collection cycle.
REFERENCES:
patent: 3359787 (1967-12-01), Zemanek, Jr.
patent: 3463004 (1969-08-01), Withnell
patent: 4072044 (1978-02-01), Farwell et al.
patent: 4099406 (1978-07-01), Fulkerson
patent: 4431425 (1984-02-01), Thompson et al.
patent: 4669308 (1987-06-01), Jorritsma
Reay William G.
Walthall Harry G.
Chasteen Kimberly A.
Chilcot Richard
Dombroske George M.
The United States of America as represented by the Administrator
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