Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1996-06-20
1998-12-22
Drodge, Joseph W.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
137395, 137565, 137572, 210 962, 2102572, 422106, B01D 1712, B01D 3502, F17D 300
Patent
active
058513841
ABSTRACT:
An apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines includes a plurality of supply tanks adapted to be fluidly communicated with a corresponding one of the hemodialysis machines. Each of the supply tanks has a bottom portion provided with a connecting port. A main tank contains the hemodialysis solution therein and is formed with an outlet port. A solution delivery system includes a main delivery pipe which has an inlet section connected to the outlet port of the main tank and provided with an electromagnetic delivery control valve and a delivery pump, and a plurality of main branch pipes. Each of the main branch pipes has an input portion connected fluidly to the main delivery pipe and an output portion connected fluidly to the connecting port of a respective one of the supply tanks. Each of the main branch pipes is provided with an electromagnetic main branch valve. A monitoring device is connected electrically to the delivery control valve, the delivery pump and the main branch valves. The monitoring device controls the delivery control valve, the delivery pump and the main branch valves to fill up the supply tanks.
REFERENCES:
patent: 3352779 (1967-11-01), Austin et al.
patent: 3441136 (1969-04-01), Serfass et al.
patent: 4137168 (1979-01-01), Perrot
patent: 4444597 (1984-04-01), Gortz et al.
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