Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control
Reexamination Certificate
2008-04-01
2008-04-01
Hruskoci, Peter A. (Department: 1797)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Vent control
C137S143000, C137S205000, C137S416000
Reexamination Certificate
active
11136898
ABSTRACT:
An automated system controls operation of a filtration system. The filtration system includes an aeration tank and a filtration tank. The system includes a pressure sensor, an air pump, a bleed passage, and a pressure control. The pressure sensor measures a pressure in the aeration tank. The air pump and the bleed passage are connected to the aeration tank and are controlled by the pressure control based on the pressure measured in the aeration tank.
REFERENCES:
patent: 4659463 (1987-04-01), Chandler et al.
patent: 4966692 (1990-10-01), Overy
patent: 5096596 (1992-03-01), Hellenbrand et al.
patent: 5744040 (1998-04-01), Slates et al.
patent: 6627070 (2003-09-01), Frank
patent: 6878293 (2005-04-01), Portyrata et al.
patent: 7156995 (2007-01-01), Maas et al.
patent: 7204930 (2007-04-01), Nightingale
Product Sheet entitled “Aer-Max Systems, for sulfur and iron problems”, pp. 1-2, date unavailable.
Fader Robert T.
Gunderson Wes J.
Hruskoci Peter A.
Kinney & Lange , P.A.
Willmar Water & Spas
LandOfFree
Iron and hydrogen sulfide removal apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Iron and hydrogen sulfide removal apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Iron and hydrogen sulfide removal apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3925528