Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1977-07-25
1978-10-31
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210172, 210532S, C02C 102
Patent
active
041233581
ABSTRACT:
Automatic liquid volume compensation apparatus is disclosed having particular application to septic systems. The apparatus limits septic tank air volume to optimize bacterial decomposition of wastes and controls the flow rate from the inlet piping through the tank to the drain field to limit passage of unprocessed fluid and prevent backups in the inlet piping.
In the first of two embodiments, a bladder within a settling tank inflates or deflates to accommodate changes in liquid volume while maintaining tank level within desired limits. In the second embodiment, an auxiliary tank stores excess liquid which is returned to the primary settling tank when settling tank liquid level has declined to a desired height.
REFERENCES:
patent: 3572506 (1971-03-01), Bandy, Jr. et al.
patent: 3655051 (1972-04-01), Quase
patent: 3674687 (1972-07-01), Quase
patent: 4042497 (1977-08-01), Maltby
Adee John
Manning John R.
Nelson Wallace J.
Osborn Howard J.
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