Liquid purification or separation – Tangential flow or centrifugal fluid action
Reexamination Certificate
2007-10-09
2007-10-09
Reifsnyder, David A (Department: 1723)
Liquid purification or separation
Tangential flow or centrifugal fluid action
C209S725000
Reexamination Certificate
active
10897940
ABSTRACT:
The water treatment apparatus includes a first fitting having a first leg adapted for being connected to a supply of fluid and a second fitting having a first leg adapted for being connected to a container for the treated fluid, an elongated rod having a first end mounting the first fitting and a second end mounting the second fitting, each fitting having bifurcated legs, and a first and a second vortexian spiral tube respectively connecting the first bifurcated legs of the fittings and the second bifurcated legs of the fittings. Each tube includes a plurality of loops and a plurality of linear sections serially connecting adjacent loops to one another. Where each tube includes seven loops, advantageously the area encompassed by the loops of each tube in the direction from one fitting to the other is 1:1:2:3:5:8:13.
REFERENCES:
patent: 5248421 (1993-09-01), Robertson
patent: 2005/0150827 (2005-07-01), Hopper
Johnson Clayton R.
Reifsnyder David A
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