Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control
Patent
1996-10-25
1998-09-15
Drodge, Joseph W.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Vent control
119260, 210121, 210150, 210169, 2104162, 210472, B01D 1712, B01D 3502, A01K 6304
Patent
active
058074805
ABSTRACT:
A filtration device for filtering and cleaning water to be supplied to a water tank comprises a main body having an upper end opening selectively closed by a lid mounted thereon in an installed state, a filtering unit detachably disposed in the main body, an air exhaust element communicating with an inside and outside of the main body, a water inlet connected to the main body, a feed water pipe connected to the water inlet for supplying water into the main body, a drainage pump for draining clean water cleaned up by the filtering unit, a water outlet operatively connected to the filtering unit to supply the cleaned-up water to the water tank, and a flow rate control unit, which is detachably incorporated into the main body and is connected to an inner portion of the water inlet, for controlling a flow rate of raw water, which is introduced from the water inlet to the main body, in a manner that a water level of water contained in the main body alternately has a high-tide water level, at which the filtering unit is covered with water and a low-tide water level which is lower than a location of the filtering unit.
REFERENCES:
patent: 5097795 (1992-03-01), Adey
patent: 5160607 (1992-11-01), Thiemer et al.
patent: 5160622 (1992-11-01), Gunderson et al.
patent: 5494581 (1996-02-01), Hobson
patent: 5567315 (1996-10-01), Weidenmann et al.
patent: 5647983 (1997-07-01), Limcaco
Drodge Joseph W.
Jaleco Ltd.
Kananen Ronald P.
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