Apparatus for controlling water level

Fluid handling – Processes – With control of flow by a condition or characteristic of a...

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137392, 137554, 13762413, 4507, 4508, 73304R, 73313, 307118, 340620, 361178, F16K 2118, F17D 300

Patent

active

046129499

ABSTRACT:
Apparatus for monitoring and controlling the level of fluid in a reservoir. The apparatus utilizes a fluid sensing probe to monitor the level of fluid in a reservoir and can generally be installed in an existing fluid reservoir without requiring structural modification of the reservoir. The apparatus, in determining the level of fluid in a reservoir, compensates for swells and other surface undulations which mask the true fluid level in the reservoir.

REFERENCES:
patent: 3142830 (1964-07-01), Patrick et al.
patent: 3333258 (1967-07-01), Walker et al.
patent: 3391547 (1968-07-01), Kingston
patent: 4099406 (1978-07-01), Fulkerson
patent: 4186849 (1980-02-01), Spangler
patent: 4417598 (1983-11-01), DePirro
patent: 4445238 (1984-05-01), Maxhimer

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