Apparatus for operating a filter arrangement

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Material level or thickness responsive

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Details

210 98, 210103, 210104, 210105, 210143, 210169, 210248, 2104162, 364502, 4508, 4509, B01D 3500

Patent

active

056288964

ABSTRACT:
A method and apparatus for operating a filter system of a swimming pool in proportion to the degree of contamination of the water in said pool by processing a signal representative of the number of persons within the pool and other values characteristic of the pool and the filter system to derive a signal for controlling the output of said filter system.

REFERENCES:
patent: 4133058 (1979-01-01), Baker
patent: 4676914 (1987-06-01), Mills et al.

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