Waste water treatment filter including a waste water level contr

Details Waste water treatment filter including a waste water level contr Waste water treatment filter including a waste water level contr

1998-11-06

2000-10-10

Walker, W. L.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

210121, 210238, 2105322, B01D 3604

Patent

active

061298379

ABSTRACT:
A filtration device for a waste water treatment tank is provided with a level alert device positioned within the filter to provide a warning or alarm when the filter becomes plugged. The level alarm device is positioned so that as the waste water level gets beyond a certain preselected limit an alarm will actuate a micro-switch which is in actuating relation with an alarm device outside the waste water treatment tank.

REFERENCES:
patent: 2900084 (1959-08-01), Zabel
patent: 3332552 (1967-07-01), Zabel
patent: 3377981 (1968-04-01), Hott et al.
patent: 4364829 (1982-12-01), Atkins et al.
patent: 4719012 (1988-01-01), Groezinger et al.
patent: 4871455 (1989-10-01), Terhune et al.
patent: 5482621 (1996-01-01), Nurse
patent: 5569387 (1996-10-01), Browne et al.

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